vim: src/bufwrite.c annotate

annotate src/bufwrite.c @ 32513:57e589d18e7d v9.0.1588

patch 9.0.1588: Incsearch not triggered when pasting clipboard register Commit: https://github.com/vim/vim/commit/9cf6ab133227ac7e9169941752293bb7178d8e38 Author: K.Takata <kentkt@csc.jp> Date: Mon May 29 16:08:08 2023 +0100 patch 9.0.1588: Incsearch not triggered when pasting clipboard register Problem: Incsearch not triggered when pasting clipboard register on the command line. Solution: Also set "literally" when using a clipboard register. (Ken Takata, closes #12460)

author	Bram Moolenaar <Bram@vim.org>
date	Mon, 29 May 2023 17:15:04 +0200
parents	d8e7d725a666
children	dcfbfe57141c

rev	line source
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1 /* vi:set ts=8 sts=4 sw=4 noet:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	3 * VIM - Vi IMproved by Bram Moolenaar
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	4 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	5 * Do ":help uganda" in Vim to read copying and usage conditions.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	6 * Do ":help credits" in Vim to see a list of people who contributed.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	7 * See README.txt for an overview of the Vim source code.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	8 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	9
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	10 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	11 * bufwrite.c: functions for writing a buffer
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	12 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	13
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	14 #include "vim.h"
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	15
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	16 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	17 # include <utime.h> // for struct utimbuf
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	18 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	19
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	20 #define SMALLBUFSIZE 256 // size of emergency write buffer
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	21
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	22 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	23 * Structure to pass arguments from buf_write() to buf_write_bytes().
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	24 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	25 struct bw_info
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	26 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	27 int bw_fd; // file descriptor
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	28 char_u *bw_buf; // buffer with data to be written
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	29 int bw_len; // length of data
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	30 int bw_flags; // FIO_ flags
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	31 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	32 buf_T *bw_buffer; // buffer being written
28809 d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 26883 diff changeset	33 int bw_finish; // finish encrypting
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	34 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	35 char_u bw_rest[CONV_RESTLEN]; // not converted bytes
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	36 int bw_restlen; // nr of bytes in bw_rest[]
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	37 int bw_first; // first write call
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	38 char_u *bw_conv_buf; // buffer for writing converted chars
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	39 size_t bw_conv_buflen; // size of bw_conv_buf
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	40 int bw_conv_error; // set for conversion error
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	41 linenr_T bw_conv_error_lnum; // first line with error or zero
28809 d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 26883 diff changeset	42 linenr_T bw_start_lnum; // line number at start of buffer
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	43 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	44 iconv_t bw_iconv_fd; // descriptor for iconv() or -1
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	45 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	46 };
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	47
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	48 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	49 * Convert a Unicode character to bytes.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	50 * Return TRUE for an error, FALSE when it's OK.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	51 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	52 static int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	53 ucs2bytes(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	54 unsigned c, // in: character
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	55 char_u **pp, // in/out: pointer to result
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	56 int flags) // FIO_ flags
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	57 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	58 char_u p = pp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	59 int error = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	60 int cc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	61
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	62
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	63 if (flags & FIO_UCS4)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	64 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	65 if (flags & FIO_ENDIAN_L)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	66 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	67 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	68 *p++ = (c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	69 *p++ = (c >> 16);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	70 *p++ = (c >> 24);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	71 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	72 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	73 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	74 *p++ = (c >> 24);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	75 *p++ = (c >> 16);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	76 *p++ = (c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	77 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	78 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	79 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	80 else if (flags & (FIO_UCS2 \| FIO_UTF16))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	81 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	82 if (c >= 0x10000)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	83 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	84 if (flags & FIO_UTF16)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	85 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	86 // Make two words, ten bits of the character in each. First
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	87 // word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	88 c -= 0x10000;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	89 if (c >= 0x100000)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	90 error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	91 cc = ((c >> 10) & 0x3ff) + 0xd800;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	92 if (flags & FIO_ENDIAN_L)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	93 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	94 *p++ = cc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	95 *p++ = ((unsigned)cc >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	96 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	97 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	98 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	99 *p++ = ((unsigned)cc >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	100 *p++ = cc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	101 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	102 c = (c & 0x3ff) + 0xdc00;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	103 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	104 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	105 error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	106 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	107 if (flags & FIO_ENDIAN_L)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	108 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	109 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	110 *p++ = (c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	111 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	112 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	113 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	114 *p++ = (c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	115 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	116 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	117 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	118 else // Latin1
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	119 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	120 if (c >= 0x100)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	121 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	122 error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	123 *p++ = 0xBF;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	124 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	125 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	126 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	127 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	128
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	129 *pp = p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	130 return error;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	131 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	132
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	133 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	134 * Call write() to write a number of bytes to the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	135 * Handles encryption and 'encoding' conversion.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	136 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	137 * Return FAIL for failure, OK otherwise.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	138 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	139 static int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	140 buf_write_bytes(struct bw_info *ip)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	141 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	142 int wlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	143 char_u *buf = ip->bw_buf; // data to write
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	144 int len = ip->bw_len; // length of data
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	145 int flags = ip->bw_flags; // extra flags
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	146
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	147 // Skip conversion when writing the crypt magic number or the BOM.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	148 if (!(flags & FIO_NOCONVERT))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	149 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	150 char_u *p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	151 unsigned c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	152 int n;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	153
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	154 if (flags & FIO_UTF8)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	155 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	156 // Convert latin1 in the buffer to UTF-8 in the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	157 p = ip->bw_conv_buf; // translate to buffer
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	158 for (wlen = 0; wlen < len; ++wlen)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	159 p += utf_char2bytes(buf[wlen], p);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	160 buf = ip->bw_conv_buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	161 len = (int)(p - ip->bw_conv_buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	162 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	163 else if (flags & (FIO_UCS4 \| FIO_UTF16 \| FIO_UCS2 \| FIO_LATIN1))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	164 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	165 // Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	166 // Latin1 chars in the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	167 if (flags & FIO_LATIN1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	168 p = buf; // translate in-place (can only get shorter)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	169 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	170 p = ip->bw_conv_buf; // translate to buffer
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	171 for (wlen = 0; wlen < len; wlen += n)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	172 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	173 if (wlen == 0 && ip->bw_restlen != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	174 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	175 int l;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	176
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	177 // Use remainder of previous call. Append the start of
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	178 // buf[] to get a full sequence. Might still be too
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	179 // short!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	180 l = CONV_RESTLEN - ip->bw_restlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	181 if (l > len)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	182 l = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	183 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	184 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	185 if (n > ip->bw_restlen + len)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	186 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	187 // We have an incomplete byte sequence at the end to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	188 // be written. We can't convert it without the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	189 // remaining bytes. Keep them for the next call.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	190 if (ip->bw_restlen + len > CONV_RESTLEN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	191 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	192 ip->bw_restlen += len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	193 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	194 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	195 if (n > 1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	196 c = utf_ptr2char(ip->bw_rest);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	197 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	198 c = ip->bw_rest[0];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	199 if (n >= ip->bw_restlen)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	200 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	201 n -= ip->bw_restlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	202 ip->bw_restlen = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	203 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	204 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	205 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	206 ip->bw_restlen -= n;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	207 mch_memmove(ip->bw_rest, ip->bw_rest + n,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	208 (size_t)ip->bw_restlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	209 n = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	210 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	211 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	212 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	213 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	214 n = utf_ptr2len_len(buf + wlen, len - wlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	215 if (n > len - wlen)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	216 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	217 // We have an incomplete byte sequence at the end to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	218 // be written. We can't convert it without the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	219 // remaining bytes. Keep them for the next call.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	220 if (len - wlen > CONV_RESTLEN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	221 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	222 ip->bw_restlen = len - wlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	223 mch_memmove(ip->bw_rest, buf + wlen,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	224 (size_t)ip->bw_restlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	225 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	226 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	227 if (n > 1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	228 c = utf_ptr2char(buf + wlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	229 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	230 c = buf[wlen];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	231 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	232
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	233 if (ucs2bytes(c, &p, flags) && !ip->bw_conv_error)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	234 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	235 ip->bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	236 ip->bw_conv_error_lnum = ip->bw_start_lnum;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	237 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	238 if (c == NL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	239 ++ip->bw_start_lnum;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	240 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	241 if (flags & FIO_LATIN1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	242 len = (int)(p - buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	243 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	244 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	245 buf = ip->bw_conv_buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	246 len = (int)(p - ip->bw_conv_buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	247 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	248 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	249
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	250 #ifdef MSWIN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	251 else if (flags & FIO_CODEPAGE)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	252 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	253 // Convert UTF-8 or codepage to UCS-2 and then to MS-Windows
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	254 // codepage.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	255 char_u *from;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	256 size_t fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	257 char_u *to;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	258 int u8c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	259 BOOL bad = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	260 int needed;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	261
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	262 if (ip->bw_restlen > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	263 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	264 // Need to concatenate the remainder of the previous call and
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	265 // the bytes of the current call. Use the end of the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	266 // conversion buffer for this.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	267 fromlen = len + ip->bw_restlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	268 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	269 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	270 mch_memmove(from + ip->bw_restlen, buf, (size_t)len);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	271 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	272 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	273 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	274 from = buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	275 fromlen = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	276 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	277
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	278 to = ip->bw_conv_buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	279 if (enc_utf8)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	280 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	281 // Convert from UTF-8 to UCS-2, to the start of the buffer.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	282 // The buffer has been allocated to be big enough.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	283 while (fromlen > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	284 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	285 n = (int)utf_ptr2len_len(from, (int)fromlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	286 if (n > (int)fromlen) // incomplete byte sequence
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	287 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	288 u8c = utf_ptr2char(from);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	289 *to++ = (u8c & 0xff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	290 *to++ = (u8c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	291 fromlen -= n;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	292 from += n;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	293 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	294
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	295 // Copy remainder to ip->bw_rest[] to be used for the next
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	296 // call.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	297 if (fromlen > CONV_RESTLEN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	298 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	299 // weird overlong sequence
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	300 ip->bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	301 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	302 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	303 mch_memmove(ip->bw_rest, from, fromlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	304 ip->bw_restlen = (int)fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	305 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	306 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	307 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	308 // Convert from enc_codepage to UCS-2, to the start of the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	309 // buffer. The buffer has been allocated to be big enough.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	310 ip->bw_restlen = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	311 needed = MultiByteToWideChar(enc_codepage,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	312 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	313 NULL, 0);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	314 if (needed == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	315 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	316 // When conversion fails there may be a trailing byte.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	317 needed = MultiByteToWideChar(enc_codepage,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	318 MB_ERR_INVALID_CHARS, (LPCSTR)from, (int)fromlen - 1,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	319 NULL, 0);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	320 if (needed == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	321 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	322 // Conversion doesn't work.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	323 ip->bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	324 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	325 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	326 // Save the trailing byte for the next call.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	327 ip->bw_rest[0] = from[fromlen - 1];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	328 ip->bw_restlen = 1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	329 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	330 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	331 (LPCSTR)from, (int)(fromlen - ip->bw_restlen),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	332 (LPWSTR)to, needed);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	333 if (needed == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	334 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	335 // Safety check: Conversion doesn't work.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	336 ip->bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	337 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	338 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	339 to += needed * 2;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	340 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	341
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	342 fromlen = to - ip->bw_conv_buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	343 buf = to;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	344 # ifdef CP_UTF8 // VC 4.1 doesn't define CP_UTF8
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	345 if (FIO_GET_CP(flags) == CP_UTF8)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	346 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	347 // Convert from UCS-2 to UTF-8, using the remainder of the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	348 // conversion buffer. Fails when out of space.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	349 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	350 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	351 u8c = *from++;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	352 u8c += (*from++ << 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	353 to += utf_char2bytes(u8c, to);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	354 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	355 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	356 ip->bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	357 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	358 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	359 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	360 len = (int)(to - buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	361 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	362 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	363 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	364 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	365 // Convert from UCS-2 to the codepage, using the remainder of
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	366 // the conversion buffer. If the conversion uses the default
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	367 // character "0", the data doesn't fit in this encoding, so
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	368 // fail.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	369 len = WideCharToMultiByte(FIO_GET_CP(flags), 0,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	370 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	371 (LPSTR)to, (int)(ip->bw_conv_buflen - fromlen), 0,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	372 &bad);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	373 if (bad)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	374 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	375 ip->bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	376 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	377 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	378 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	379 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	380 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	381
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	382 #ifdef MACOS_CONVERT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	383 else if (flags & FIO_MACROMAN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	384 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	385 // Convert UTF-8 or latin1 to Apple MacRoman.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	386 char_u *from;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	387 size_t fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	388
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	389 if (ip->bw_restlen > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	390 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	391 // Need to concatenate the remainder of the previous call and
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	392 // the bytes of the current call. Use the end of the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	393 // conversion buffer for this.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	394 fromlen = len + ip->bw_restlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	395 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	396 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	397 mch_memmove(from + ip->bw_restlen, buf, (size_t)len);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	398 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	399 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	400 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	401 from = buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	402 fromlen = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	403 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	404
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	405 if (enc2macroman(from, fromlen,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	406 ip->bw_conv_buf, &len, ip->bw_conv_buflen,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	407 ip->bw_rest, &ip->bw_restlen) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	408 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	409 ip->bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	410 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	411 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	412 buf = ip->bw_conv_buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	413 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	414 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	415
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	416 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	417 if (ip->bw_iconv_fd != (iconv_t)-1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	418 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	419 const char *from;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	420 size_t fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	421 char *to;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	422 size_t tolen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	423
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	424 // Convert with iconv().
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	425 if (ip->bw_restlen > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	426 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	427 char *fp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	428
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	429 // Need to concatenate the remainder of the previous call and
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	430 // the bytes of the current call. Use the end of the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	431 // conversion buffer for this.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	432 fromlen = len + ip->bw_restlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	433 fp = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	434 mch_memmove(fp, ip->bw_rest, (size_t)ip->bw_restlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	435 mch_memmove(fp + ip->bw_restlen, buf, (size_t)len);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	436 from = fp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	437 tolen = ip->bw_conv_buflen - fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	438 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	439 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	440 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	441 from = (const char *)buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	442 fromlen = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	443 tolen = ip->bw_conv_buflen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	444 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	445 to = (char *)ip->bw_conv_buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	446
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	447 if (ip->bw_first)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	448 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	449 size_t save_len = tolen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	450
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	451 // output the initial shift state sequence
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	452 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	453
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	454 // There is a bug in iconv() on Linux (which appears to be
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	455 // wide-spread) which sets "to" to NULL and messes up "tolen".
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	456 if (to == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	457 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	458 to = (char *)ip->bw_conv_buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	459 tolen = save_len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	460 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	461 ip->bw_first = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	462 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	463
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	464 // If iconv() has an error or there is not enough room, fail.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	465 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	466 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	467 \|\| fromlen > CONV_RESTLEN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	468 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	469 ip->bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	470 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	471 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	472
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	473 // copy remainder to ip->bw_rest[] to be used for the next call.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	474 if (fromlen > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	475 mch_memmove(ip->bw_rest, (void *)from, fromlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	476 ip->bw_restlen = (int)fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	477
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	478 buf = ip->bw_conv_buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	479 len = (int)((char_u *)to - ip->bw_conv_buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	480 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	481 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	482 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	483
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	484 if (ip->bw_fd < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	485 // Only checking conversion, which is OK if we get here.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	486 return OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	487
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	488 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	489 if (flags & FIO_ENCRYPTED)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	490 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	491 // Encrypt the data. Do it in-place if possible, otherwise use an
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	492 // allocated buffer.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	493 # ifdef CRYPT_NOT_INPLACE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	494 if (crypt_works_inplace(ip->bw_buffer->b_cryptstate))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	495 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	496 # endif
25052 965d97f8208b patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo file Bram Moolenaar <Bram@vim.org> parents: 24970 diff changeset	497 crypt_encode_inplace(ip->bw_buffer->b_cryptstate, buf, len,
965d97f8208b patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo file Bram Moolenaar <Bram@vim.org> parents: 24970 diff changeset	498 ip->bw_finish);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	499 # ifdef CRYPT_NOT_INPLACE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	500 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	501 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	502 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	503 char_u *outbuf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	504
25052 965d97f8208b patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo file Bram Moolenaar <Bram@vim.org> parents: 24970 diff changeset	505 len = crypt_encode_alloc(curbuf->b_cryptstate, buf, len, &outbuf,
965d97f8208b patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo file Bram Moolenaar <Bram@vim.org> parents: 24970 diff changeset	506 ip->bw_finish);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	507 if (len == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	508 return OK; // Crypt layer is buffering, will flush later.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	509 wlen = write_eintr(ip->bw_fd, outbuf, len);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	510 vim_free(outbuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	511 return (wlen < len) ? FAIL : OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	512 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	513 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	514 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	515 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	516
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	517 wlen = write_eintr(ip->bw_fd, buf, len);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	518 return (wlen < len) ? FAIL : OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	519 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	520
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	521 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	522 * Check modification time of file, before writing to it.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	523 * The size isn't checked, because using a tool like "gzip" takes care of
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	524 * using the same timestamp but can't set the size.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	525 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	526 static int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	527 check_mtime(buf_T buf, stat_T st)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	528 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	529 if (buf->b_mtime_read != 0
25953 d7e1cf30728c patch 8.2.3510: changes are only detected with one second accuracy Bram Moolenaar <Bram@vim.org> parents: 25362 diff changeset	530 && time_differs(st, buf->b_mtime_read, buf->b_mtime_read_ns))
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	531 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	532 msg_scroll = TRUE; // don't overwrite messages here
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	533 msg_silent = 0; // must give this prompt
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	534 // don't use emsg() here, don't want to flush the buffers
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	535 msg_attr(_("WARNING: The file has been changed since reading it!!!"),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	536 HL_ATTR(HLF_E));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	537 if (ask_yesno((char_u *)_("Do you really want to write to it"),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	538 TRUE) == 'n')
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	539 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	540 msg_scroll = FALSE; // always overwrite the file message now
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	541 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	542 return OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	543 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	544
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	545 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	546 * Generate a BOM in "buf[4]" for encoding "name".
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	547 * Return the length of the BOM (zero when no BOM).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	548 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	549 static int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	550 make_bom(char_u buf, char_u name)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	551 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	552 int flags;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	553 char_u *p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	554
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	555 flags = get_fio_flags(name);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	556
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	557 // Can't put a BOM in a non-Unicode file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	558 if (flags == FIO_LATIN1 \|\| flags == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	559 return 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	560
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	561 if (flags == FIO_UTF8) // UTF-8
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	562 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	563 buf[0] = 0xef;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	564 buf[1] = 0xbb;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	565 buf[2] = 0xbf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	566 return 3;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	567 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	568 p = buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	569 (void)ucs2bytes(0xfeff, &p, flags);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	570 return (int)(p - buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	571 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	572
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	573 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	574 static void
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	575 set_file_time(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	576 char_u *fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	577 time_t atime, // access time
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	578 time_t mtime) // modification time
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	579 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	580 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	581 struct utimbuf buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	582
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	583 buf.actime = atime;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	584 buf.modtime = mtime;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	585 (void)utime((char *)fname, &buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	586 # else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	587 # if defined(HAVE_UTIMES)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	588 struct timeval tvp[2];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	589
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	590 tvp[0].tv_sec = atime;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	591 tvp[0].tv_usec = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	592 tvp[1].tv_sec = mtime;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	593 tvp[1].tv_usec = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	594 # ifdef NeXT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	595 (void)utimes((char *)fname, tvp);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	596 # else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	597 (void)utimes((char )fname, (const struct timeval )&tvp);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	598 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	599 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	600 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	601 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	602 #endif // UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	603
20828 db18625d8134 patch 8.2.0966: 'shortmess' flag "n" not used in two places Bram Moolenaar <Bram@vim.org> parents: 18896 diff changeset	604 char *
db18625d8134 patch 8.2.0966: 'shortmess' flag "n" not used in two places Bram Moolenaar <Bram@vim.org> parents: 18896 diff changeset	605 new_file_message(void)
db18625d8134 patch 8.2.0966: 'shortmess' flag "n" not used in two places Bram Moolenaar <Bram@vim.org> parents: 18896 diff changeset	606 {
db18625d8134 patch 8.2.0966: 'shortmess' flag "n" not used in two places Bram Moolenaar <Bram@vim.org> parents: 18896 diff changeset	607 return shortmess(SHM_NEW) ? _("[New]") : _("[New File]");
db18625d8134 patch 8.2.0966: 'shortmess' flag "n" not used in two places Bram Moolenaar <Bram@vim.org> parents: 18896 diff changeset	608 }
db18625d8134 patch 8.2.0966: 'shortmess' flag "n" not used in two places Bram Moolenaar <Bram@vim.org> parents: 18896 diff changeset	609
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	610 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	611 * buf_write() - write to file "fname" lines "start" through "end"
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	612 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	613 * We do our own buffering here because fwrite() is so slow.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	614 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	615 * If "forceit" is true, we don't care for errors when attempting backups.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	616 * In case of an error everything possible is done to restore the original
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	617 * file. But when "forceit" is TRUE, we risk losing it.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	618 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	619 * When "reset_changed" is TRUE and "append" == FALSE and "start" == 1 and
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	620 * "end" == curbuf->b_ml.ml_line_count, reset curbuf->b_changed.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	621 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	622 * This function must NOT use NameBuff (because it's called by autowrite()).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	623 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	624 * return FAIL for failure, OK otherwise
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	625 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	626 int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	627 buf_write(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	628 buf_T *buf,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	629 char_u *fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	630 char_u *sfname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	631 linenr_T start,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	632 linenr_T end,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	633 exarg_T *eap, // for forced 'ff' and 'fenc', can be
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	634 // NULL!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	635 int append, // append to the file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	636 int forceit,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	637 int reset_changed,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	638 int filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	639 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	640 int fd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	641 char_u *backup = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	642 int backup_copy = FALSE; // copy the original file?
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	643 int dobackup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	644 char_u *ffname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	645 char_u *wfname = NULL; // name of file to write to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	646 char_u *s;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	647 char_u *ptr;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	648 char_u c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	649 int len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	650 linenr_T lnum;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	651 long nchars;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	652 char_u *errmsg = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	653 int errmsg_allocated = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	654 char_u *errnum = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	655 char_u *buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	656 char_u smallbuf[SMALLBUFSIZE];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	657 char_u *backup_ext;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	658 int bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	659 long perm; // file permissions
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	660 int retval = OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	661 int newfile = FALSE; // TRUE if file doesn't exist yet
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	662 int msg_save = msg_scroll;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	663 int overwriting; // TRUE if writing over original
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	664 int no_eol = FALSE; // no end-of-line written
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	665 int device = FALSE; // writing to a device
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	666 stat_T st_old;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	667 int prev_got_int = got_int;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	668 int checking_conversion;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	669 int file_readonly = FALSE; // overwritten file is read-only
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	670 #if defined(UNIX) // XXX fix me sometime?
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	671 int made_writable = FALSE; // 'w' bit has been set
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	672 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	673 // writing everything
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	674 int whole = (start == 1 && end == buf->b_ml.ml_line_count);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	675 linenr_T old_line_count = buf->b_ml.ml_line_count;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	676 int attr;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	677 int fileformat;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	678 int write_bin;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	679 struct bw_info write_info; // info for buf_write_bytes()
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	680 int converted = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	681 int notconverted = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	682 char_u *fenc; // effective 'fileencoding'
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	683 char_u *fenc_tofree = NULL; // allocated "fenc"
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	684 int wb_flags = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	685 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	686 vim_acl_T acl = NULL; // ACL copied from original file to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	687 // backup or new file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	688 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	689 #ifdef FEAT_PERSISTENT_UNDO
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	690 int write_undo_file = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	691 context_sha256_T sha_ctx;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	692 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	693 unsigned int bkc = get_bkc_value(buf);
18619 788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	694 pos_T orig_start = buf->b_op_start;
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	695 pos_T orig_end = buf->b_op_end;
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	696
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	697 if (fname == NULL \|\| *fname == NUL) // safety check
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	698 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	699 if (buf->b_ml.ml_mfp == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	700 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	701 // This can happen during startup when there is a stray "w" in the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	702 // vimrc file.
26883 7f150a4936f2 patch 8.2.3970: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26877 diff changeset	703 emsg(_(e_empty_buffer));
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	704 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	705 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	706
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	707 // Disallow writing from .exrc and .vimrc in current directory for
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	708 // security reasons.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	709 if (check_secure())
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	710 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	711
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	712 // Avoid a crash for a long name.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	713 if (STRLEN(fname) >= MAXPATHL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	714 {
26436 ef0c07cbf53f patch 8.2.3749: error messages are everywhere Bram Moolenaar <Bram@vim.org> parents: 26336 diff changeset	715 emsg(_(e_name_too_long));
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	716 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	717 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	718
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	719 // must init bw_conv_buf and bw_iconv_fd before jumping to "fail"
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	720 write_info.bw_conv_buf = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	721 write_info.bw_conv_error = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	722 write_info.bw_conv_error_lnum = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	723 write_info.bw_restlen = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	724 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	725 write_info.bw_iconv_fd = (iconv_t)-1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	726 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	727 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	728 write_info.bw_buffer = buf;
24970 7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	729 write_info.bw_finish = FALSE;
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	730 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	731
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	732 // After writing a file changedtick changes but we don't want to display
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	733 // the line.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	734 ex_no_reprint = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	735
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	736 // If there is no file name yet, use the one for the written file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	737 // BF_NOTEDITED is set to reflect this (in case the write fails).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	738 // Don't do this when the write is for a filter command.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	739 // Don't do this when appending.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	740 // Only do this when 'cpoptions' contains the 'F' flag.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	741 if (buf->b_ffname == NULL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	742 && reset_changed
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	743 && whole
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	744 && buf == curbuf
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	745 && !bt_nofilename(buf)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	746 && !filtering
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	747 && (!append \|\| vim_strchr(p_cpo, CPO_FNAMEAPP) != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	748 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	749 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	750 if (set_rw_fname(fname, sfname) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	751 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	752 buf = curbuf; // just in case autocmds made "buf" invalid
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	753 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	754
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	755 if (sfname == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	756 sfname = fname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	757 // For Unix: Use the short file name whenever possible.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	758 // Avoids problems with networks and when directory names are changed.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	759 // Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	760 // another directory, which we don't detect
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	761 ffname = fname; // remember full fname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	762 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	763 fname = sfname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	764 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	765
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	766 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	767 overwriting = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	768 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	769 overwriting = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	770
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	771 if (exiting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	772 settmode(TMODE_COOK); // when exiting allow typeahead now
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	773
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	774 ++no_wait_return; // don't wait for return yet
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	775
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	776 // Set '[ and '] marks to the lines to be written.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	777 buf->b_op_start.lnum = start;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	778 buf->b_op_start.col = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	779 buf->b_op_end.lnum = end;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	780 buf->b_op_end.col = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	781
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	782 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	783 aco_save_T aco;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	784 int buf_ffname = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	785 int buf_sfname = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	786 int buf_fname_f = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	787 int buf_fname_s = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	788 int did_cmd = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	789 int nofile_err = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	790 int empty_memline = (buf->b_ml.ml_mfp == NULL);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	791 bufref_T bufref;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	792
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	793 // Apply PRE autocommands.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	794 // Set curbuf to the buffer to be written.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	795 // Careful: The autocommands may call buf_write() recursively!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	796 if (ffname == buf->b_ffname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	797 buf_ffname = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	798 if (sfname == buf->b_sfname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	799 buf_sfname = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	800 if (fname == buf->b_ffname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	801 buf_fname_f = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	802 if (fname == buf->b_sfname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	803 buf_fname_s = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	804
31263 d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	805 // Set curwin/curbuf to buf and save a few things.
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	806 aucmd_prepbuf(&aco, buf);
31263 d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	807 if (curbuf != buf)
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	808 {
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	809 // Could not find a window for "buf". Doing more might cause
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	810 // problems, better bail out.
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	811 return FAIL;
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	812 }
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	813
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	814 set_bufref(&bufref, buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	815
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	816 if (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	817 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	818 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	819 sfname, sfname, FALSE, curbuf, eap)))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	820 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	821 if (overwriting && bt_nofilename(curbuf))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	822 nofile_err = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	823 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	824 apply_autocmds_exarg(EVENT_FILEAPPENDPRE,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	825 sfname, sfname, FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	826 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	827 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	828 else if (filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	829 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	830 apply_autocmds_exarg(EVENT_FILTERWRITEPRE,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	831 NULL, sfname, FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	832 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	833 else if (reset_changed && whole)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	834 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	835 int was_changed = curbufIsChanged();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	836
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	837 did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	838 sfname, sfname, FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	839 if (did_cmd)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	840 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	841 if (was_changed && !curbufIsChanged())
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	842 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	843 // Written everything correctly and BufWriteCmd has reset
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	844 // 'modified': Correct the undo information so that an
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	845 // undo now sets 'modified'.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	846 u_unchanged(curbuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	847 u_update_save_nr(curbuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	848 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	849 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	850 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	851 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	852 if (overwriting && bt_nofilename(curbuf))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	853 nofile_err = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	854 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	855 apply_autocmds_exarg(EVENT_BUFWRITEPRE,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	856 sfname, sfname, FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	857 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	858 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	859 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	860 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	861 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	862 sfname, sfname, FALSE, curbuf, eap)))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	863 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	864 if (overwriting && bt_nofilename(curbuf))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	865 nofile_err = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	866 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	867 apply_autocmds_exarg(EVENT_FILEWRITEPRE,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	868 sfname, sfname, FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	869 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	870 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	871
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	872 // restore curwin/curbuf and a few other things
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	873 aucmd_restbuf(&aco);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	874
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	875 // In three situations we return here and don't write the file:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	876 // 1. the autocommands deleted or unloaded the buffer.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	877 // 2. The autocommands abort script processing.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	878 // 3. If one of the "Cmd" autocommands was executed.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	879 if (!bufref_valid(&bufref))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	880 buf = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	881 if (buf == NULL \|\| (buf->b_ml.ml_mfp == NULL && !empty_memline)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	882 \|\| did_cmd \|\| nofile_err
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	883 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	884 \|\| aborting()
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	885 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	886 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	887 {
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20828 diff changeset	888 if (buf != NULL && (cmdmod.cmod_flags & CMOD_LOCKMARKS))
18619 788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	889 {
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	890 // restore the original '[ and '] positions
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	891 buf->b_op_start = orig_start;
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	892 buf->b_op_end = orig_end;
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	893 }
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	894
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	895 --no_wait_return;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	896 msg_scroll = msg_save;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	897 if (nofile_err)
30347 ea2935ec4435 patch 9.0.0509: confusing error for "saveas" command with "nofile" buffer Bram Moolenaar <Bram@vim.org> parents: 29879 diff changeset	898 semsg(_(e_no_matching_autocommands_for_buftype_str_buffer),
ea2935ec4435 patch 9.0.0509: confusing error for "saveas" command with "nofile" buffer Bram Moolenaar <Bram@vim.org> parents: 29879 diff changeset	899 curbuf->b_p_bt);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	900
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	901 if (nofile_err
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	902 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	903 \|\| aborting()
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	904 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	905 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	906 // An aborting error, interrupt or exception in the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	907 // autocommands.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	908 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	909 if (did_cmd)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	910 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	911 if (buf == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	912 // The buffer was deleted. We assume it was written
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	913 // (can't retry anyway).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	914 return OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	915 if (overwriting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	916 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	917 // Assume the buffer was written, update the timestamp.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	918 ml_timestamp(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	919 if (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	920 buf->b_flags &= ~BF_NEW;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	921 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	922 buf->b_flags &= ~BF_WRITE_MASK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	923 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	924 if (reset_changed && buf->b_changed && !append
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	925 && (overwriting \|\| vim_strchr(p_cpo, CPO_PLUS) != NULL))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	926 // Buffer still changed, the autocommands didn't work
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	927 // properly.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	928 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	929 return OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	930 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	931 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	932 if (!aborting())
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	933 #endif
26861 df2de1e63de0 patch 8.2.3959: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26857 diff changeset	934 emsg(_(e_autocommands_deleted_or_unloaded_buffer_to_be_written));
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	935 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	936 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	937
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	938 // The autocommands may have changed the number of lines in the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	939 // When writing the whole file, adjust the end.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	940 // When writing part of the file, assume that the autocommands only
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	941 // changed the number of lines that are to be written (tricky!).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	942 if (buf->b_ml.ml_line_count != old_line_count)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	943 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	944 if (whole) // write all
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	945 end = buf->b_ml.ml_line_count;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	946 else if (buf->b_ml.ml_line_count > old_line_count) // more lines
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	947 end += buf->b_ml.ml_line_count - old_line_count;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	948 else // less lines
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	949 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	950 end -= old_line_count - buf->b_ml.ml_line_count;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	951 if (end < start)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	952 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	953 --no_wait_return;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	954 msg_scroll = msg_save;
26861 df2de1e63de0 patch 8.2.3959: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26857 diff changeset	955 emsg(_(e_autocommands_changed_number_of_lines_in_unexpected_way));
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	956 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	957 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	958 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	959 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	960
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	961 // The autocommands may have changed the name of the buffer, which may
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	962 // be kept in fname, ffname and sfname.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	963 if (buf_ffname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	964 ffname = buf->b_ffname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	965 if (buf_sfname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	966 sfname = buf->b_sfname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	967 if (buf_fname_f)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	968 fname = buf->b_ffname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	969 if (buf_fname_s)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	970 fname = buf->b_sfname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	971 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	972
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20828 diff changeset	973 if (cmdmod.cmod_flags & CMOD_LOCKMARKS)
18619 788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	974 {
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	975 // restore the original '[ and '] positions
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	976 buf->b_op_start = orig_start;
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	977 buf->b_op_end = orig_end;
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	978 }
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	979
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	980 #ifdef FEAT_NETBEANS_INTG
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	981 if (netbeans_active() && isNetbeansBuffer(buf))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	982 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	983 if (whole)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	984 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	985 // b_changed can be 0 after an undo, but we still need to write
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	986 // the buffer to NetBeans.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	987 if (buf->b_changed \|\| isNetbeansModified(buf))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	988 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	989 --no_wait_return; // may wait for return now
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	990 msg_scroll = msg_save;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	991 netbeans_save_buffer(buf); // no error checking...
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	992 return retval;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	993 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	994 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	995 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	996 errnum = (char_u *)"E656: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	997 errmsg = (char_u *)_(e_netbeans_disallows_writes_of_unmodified_buffers);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	998 buffer = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	999 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1000 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1001 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1002 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1003 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1004 errnum = (char_u *)"E657: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1005 errmsg = (char_u *)_(e_partial_writes_disallowed_for_netbeans_buffers);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1006 buffer = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1007 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1008 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1009 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1010 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1011
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1012 if (shortmess(SHM_OVER) && !exiting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1013 msg_scroll = FALSE; // overwrite previous file message
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1014 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1015 msg_scroll = TRUE; // don't overwrite previous file message
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1016 if (!filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1017 filemess(buf,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1018 #ifndef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1019 sfname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1020 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1021 fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1022 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1023 (char_u *)"", 0); // show that we are busy
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1024 msg_scroll = FALSE; // always overwrite the file message now
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1025
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1026 buffer = alloc(WRITEBUFSIZE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1027 if (buffer == NULL) // can't allocate big buffer, use small
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1028 // one (to be able to write when out of
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1029 // memory)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1030 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1031 buffer = smallbuf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1032 bufsize = SMALLBUFSIZE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1033 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1034 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1035 bufsize = WRITEBUFSIZE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1036
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1037 // Get information about original file (if there is one).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1038 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1039 st_old.st_dev = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1040 st_old.st_ino = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1041 perm = -1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1042 if (mch_stat((char *)fname, &st_old) < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1043 newfile = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1044 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1045 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1046 perm = st_old.st_mode;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1047 if (!S_ISREG(st_old.st_mode)) // not a file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1048 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1049 if (S_ISDIR(st_old.st_mode))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1050 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1051 errnum = (char_u *)"E502: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1052 errmsg = (char_u *)_(e_is_a_directory);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1053 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1054 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1055 if (mch_nodetype(fname) != NODE_WRITABLE)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1056 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1057 errnum = (char_u *)"E503: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1058 errmsg = (char_u *)_(e_is_not_file_or_writable_device);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1059 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1060 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1061 // It's a device of some kind (or a fifo) which we can write to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1062 // but for which we can't make a backup.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1063 device = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1064 newfile = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1065 perm = -1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1066 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1067 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1068 #else // !UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1069 // Check for a writable device name.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1070 c = mch_nodetype(fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1071 if (c == NODE_OTHER)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1072 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1073 errnum = (char_u *)"E503: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1074 errmsg = (char_u *)_(e_is_not_file_or_writable_device);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1075 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1076 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1077 if (c == NODE_WRITABLE)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1078 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1079 # if defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1080 // MS-Windows allows opening a device, but we will probably get stuck
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1081 // trying to write to it.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1082 if (!p_odev)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1083 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1084 errnum = (char_u *)"E796: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1085 errmsg = (char_u *)_(e_writing_to_device_disabled_with_opendevice_option);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1086 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1087 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1088 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1089 device = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1090 newfile = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1091 perm = -1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1092 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1093 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1094 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1095 perm = mch_getperm(fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1096 if (perm < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1097 newfile = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1098 else if (mch_isdir(fname))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1099 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1100 errnum = (char_u *)"E502: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1101 errmsg = (char_u *)_(e_is_a_directory);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1102 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1103 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1104 if (overwriting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1105 (void)mch_stat((char *)fname, &st_old);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1106 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1107 #endif // !UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1108
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1109 if (!device && !newfile)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1110 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1111 // Check if the file is really writable (when renaming the file to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1112 // make a backup we won't discover it later).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1113 file_readonly = check_file_readonly(fname, (int)perm);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1114
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1115 if (!forceit && file_readonly)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1116 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1117 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1118 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1119 errnum = (char_u *)"E504: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1120 errmsg = (char_u *)_(e_is_read_only_cannot_override_W_in_cpoptions);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1121 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1122 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1123 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1124 errnum = (char_u *)"E505: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1125 errmsg = (char_u *)_(e_is_read_only_add_bang_to_override);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1126 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1127 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1128 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1129
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1130 // Check if the timestamp hasn't changed since reading the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1131 if (overwriting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1132 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1133 retval = check_mtime(buf, &st_old);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1134 if (retval == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1135 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1136 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1137 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1138
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1139 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1140 // For systems that support ACL: get the ACL from the original file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1141 if (!newfile)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1142 acl = mch_get_acl(fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1143 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1144
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1145 // If 'backupskip' is not empty, don't make a backup for some files.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1146 dobackup = (p_wb \|\| p_bk \|\| *p_pm != NUL);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1147 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1148 dobackup = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1149
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1150 // Save the value of got_int and reset it. We don't want a previous
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1151 // interruption cancel writing, only hitting CTRL-C while writing should
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1152 // abort it.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1153 prev_got_int = got_int;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1154 got_int = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1155
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1156 // Mark the buffer as 'being saved' to prevent changed buffer warnings
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1157 buf->b_saving = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1158
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1159 // If we are not appending or filtering, the file exists, and the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1160 // 'writebackup', 'backup' or 'patchmode' option is set, need a backup.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1161 // When 'patchmode' is set also make a backup when appending.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1162 //
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1163 // Do not make any backup, if 'writebackup' and 'backup' are both switched
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1164 // off. This helps when editing large files on almost-full disks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1165 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1166 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1167 #if defined(UNIX) \|\| defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1168 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1169 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1170
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1171 if ((bkc & BKC_YES) \|\| append) // "yes"
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1172 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1173 #if defined(UNIX) \|\| defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1174 else if ((bkc & BKC_AUTO)) // "auto"
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1175 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1176 int i;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1177
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1178 # ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1179 // Don't rename the file when:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1180 // - it's a hard link
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1181 // - it's a symbolic link
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1182 // - we don't have write permission in the directory
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1183 // - we can't set the owner/group of the new file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1184 if (st_old.st_nlink > 1
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1185 \|\| mch_lstat((char *)fname, &st) < 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1186 \|\| st.st_dev != st_old.st_dev
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1187 \|\| st.st_ino != st_old.st_ino
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1188 # ifndef HAVE_FCHOWN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1189 \|\| st.st_uid != st_old.st_uid
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1190 \|\| st.st_gid != st_old.st_gid
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1191 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1192 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1193 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1194 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1195 # else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1196 # ifdef MSWIN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1197 // On NTFS file systems hard links are possible.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1198 if (mch_is_linked(fname))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1199 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1200 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1201 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1202 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1203 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1204 // Check if we can create a file and set the owner/group to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1205 // the ones from the original file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1206 // First find a file name that doesn't exist yet (use some
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1207 // arbitrary numbers).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1208 STRCPY(IObuff, fname);
29556 261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1209 fd = -1;
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1210 for (i = 4913; ; i += 123)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1211 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1212 sprintf((char *)gettail(IObuff), "%d", i);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1213 if (mch_lstat((char *)IObuff, &st) < 0)
29556 261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1214 {
261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1215 fd = mch_open((char *)IObuff,
261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1216 O_CREAT\|O_WRONLY\|O_EXCL\|O_NOFOLLOW, perm);
261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1217 if (fd < 0 && errno == EEXIST)
261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1218 // If the same file name is created by another
261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1219 // process between lstat() and open(), find another
261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1220 // name.
261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1221 continue;
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1222 break;
29556 261069440cb1 patch 9.0.0119: tiny chance that creating a backup file fails Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1223 }
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1224 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1225 if (fd < 0) // can't write in directory
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1226 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1227 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1228 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1229 # ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1230 # ifdef HAVE_FCHOWN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1231 vim_ignored = fchown(fd, st_old.st_uid, st_old.st_gid);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1232 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1233 if (mch_stat((char *)IObuff, &st) < 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1234 \|\| st.st_uid != st_old.st_uid
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1235 \|\| st.st_gid != st_old.st_gid
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1236 \|\| (long)st.st_mode != perm)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1237 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1238 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1239 // Close the file before removing it, on MS-Windows we
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1240 // can't delete an open file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1241 close(fd);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1242 mch_remove(IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1243 # ifdef MSWIN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1244 // MS-Windows may trigger a virus scanner to open the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1245 // file, we can't delete it then. Keep trying for half a
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1246 // second.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1247 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1248 int try;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1249
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1250 for (try = 0; try < 10; ++try)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1251 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1252 if (mch_lstat((char *)IObuff, &st) < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1253 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1254 ui_delay(50L, TRUE); // wait 50 msec
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1255 mch_remove(IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1256 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1257 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1258 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1259 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1260 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1261 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1262
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1263 // Break symlinks and/or hardlinks if we've been asked to.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1264 if ((bkc & BKC_BREAKSYMLINK) \|\| (bkc & BKC_BREAKHARDLINK))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1265 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1266 # ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1267 int lstat_res;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1268
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1269 lstat_res = mch_lstat((char *)fname, &st);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1270
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1271 // Symlinks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1272 if ((bkc & BKC_BREAKSYMLINK)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1273 && lstat_res == 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1274 && st.st_ino != st_old.st_ino)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1275 backup_copy = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1276
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1277 // Hardlinks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1278 if ((bkc & BKC_BREAKHARDLINK)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1279 && st_old.st_nlink > 1
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1280 && (lstat_res != 0 \|\| st.st_ino == st_old.st_ino))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1281 backup_copy = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1282 # else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1283 # if defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1284 // Symlinks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1285 if ((bkc & BKC_BREAKSYMLINK) && mch_is_symbolic_link(fname))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1286 backup_copy = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1287
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1288 // Hardlinks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1289 if ((bkc & BKC_BREAKHARDLINK) && mch_is_hard_link(fname))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1290 backup_copy = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1291 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1292 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1293 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1294
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1295 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1296
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1297 // make sure we have a valid backup extension to use
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1298 if (*p_bex == NUL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1299 backup_ext = (char_u *)".bak";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1300 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1301 backup_ext = p_bex;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1302
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1303 if (backup_copy
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1304 && (fd = mch_open((char *)fname, O_RDONLY \| O_EXTRA, 0)) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1305 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1306 int bfd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1307 char_u copybuf, wp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1308 int some_error = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1309 stat_T st_new;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1310 char_u *dirp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1311 char_u *rootname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1312 #if defined(UNIX) \|\| defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1313 char_u *p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1314 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1315 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1316 int did_set_shortname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1317 mode_t umask_save;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1318 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1319
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1320 copybuf = alloc(WRITEBUFSIZE + 1);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1321 if (copybuf == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1322 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1323 some_error = TRUE; // out of memory
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1324 goto nobackup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1325 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1326
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1327 // Try to make the backup in each directory in the 'bdir' option.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1328 //
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1329 // Unix semantics has it, that we may have a writable file,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1330 // that cannot be recreated with a simple open(..., O_CREAT, ) e.g:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1331 // - the directory is not writable,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1332 // - the file may be a symbolic link,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1333 // - the file may belong to another user/group, etc.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1334 //
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1335 // For these reasons, the existing writable file must be truncated
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1336 // and reused. Creation of a backup COPY will be attempted.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1337 dirp = p_bdir;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1338 while (*dirp)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1339 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1340 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1341 st_new.st_ino = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1342 st_new.st_dev = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1343 st_new.st_gid = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1344 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1345
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1346 // Isolate one directory name, using an entry in 'bdir'.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1347 (void)copy_option_part(&dirp, copybuf, WRITEBUFSIZE, ",");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1348
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1349 #if defined(UNIX) \|\| defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1350 p = copybuf + STRLEN(copybuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1351 if (after_pathsep(copybuf, p) && p[-1] == p[-2])
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1352 // Ends with '//', use full path
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1353 if ((p = make_percent_swname(copybuf, fname)) != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1354 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1355 backup = modname(p, backup_ext, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1356 vim_free(p);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1357 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1358 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1359 rootname = get_file_in_dir(fname, copybuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1360 if (rootname == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1361 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1362 some_error = TRUE; // out of memory
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1363 goto nobackup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1364 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1365
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1366 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1367 did_set_shortname = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1368 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1369
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1370 // May try twice if 'shortname' not set.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1371 for (;;)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1372 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1373 // Make the backup file name.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1374 if (backup == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1375 backup = buf_modname((buf->b_p_sn \|\| buf->b_shortname),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1376 rootname, backup_ext, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1377 if (backup == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1378 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1379 vim_free(rootname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1380 some_error = TRUE; // out of memory
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1381 goto nobackup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1382 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1383
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1384 // Check if backup file already exists.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1385 if (mch_stat((char *)backup, &st_new) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1386 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1387 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1388 // Check if backup file is same as original file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1389 // May happen when modname() gave the same file back.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1390 // E.g. silly link, or file name-length reached.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1391 // If we don't check here, we either ruin the file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1392 // when copying or erase it after writing. jw.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1393 if (st_new.st_dev == st_old.st_dev
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1394 && st_new.st_ino == st_old.st_ino)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1395 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1396 VIM_CLEAR(backup); // no backup file to delete
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1397 // may try again with 'shortname' set
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1398 if (!(buf->b_shortname \|\| buf->b_p_sn))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1399 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1400 buf->b_shortname = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1401 did_set_shortname = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1402 continue;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1403 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1404 // setting shortname didn't help
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1405 if (did_set_shortname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1406 buf->b_shortname = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1407 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1408 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1409 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1410
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1411 // If we are not going to keep the backup file, don't
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1412 // delete an existing one, try to use another name.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1413 // Change one character, just before the extension.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1414 if (!p_bk)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1415 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1416 wp = backup + STRLEN(backup) - 1
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1417 - STRLEN(backup_ext);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1418 if (wp < backup) // empty file name ???
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1419 wp = backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1420 *wp = 'z';
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1421 while (*wp > 'a'
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1422 && mch_stat((char *)backup, &st_new) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1423 --*wp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1424 // They all exist??? Must be something wrong.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1425 if (*wp == 'a')
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1426 VIM_CLEAR(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1427 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1428 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1429 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1430 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1431 vim_free(rootname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1432
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1433 // Try to create the backup file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1434 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1435 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1436 // remove old backup, if present
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1437 mch_remove(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1438 // Open with O_EXCL to avoid the file being created while
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1439 // we were sleeping (symlink hacker attack?). Reset umask
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1440 // if possible to avoid mch_setperm() below.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1441 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1442 umask_save = umask(0);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1443 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1444 bfd = mch_open((char *)backup,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1445 O_WRONLY\|O_CREAT\|O_EXTRA\|O_EXCL\|O_NOFOLLOW,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1446 perm & 0777);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1447 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1448 (void)umask(umask_save);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1449 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1450 if (bfd < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1451 VIM_CLEAR(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1452 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1453 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1454 // Set file protection same as original file, but
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1455 // strip s-bit. Only needed if umask() wasn't used
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1456 // above.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1457 #ifndef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1458 (void)mch_setperm(backup, perm & 0777);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1459 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1460 // Try to set the group of the backup same as the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1461 // original file. If this fails, set the protection
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1462 // bits for the group same as the protection bits for
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1463 // others.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1464 if (st_new.st_gid != st_old.st_gid
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1465 # ifdef HAVE_FCHOWN // sequent-ptx lacks fchown()
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1466 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1467 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1468 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1469 mch_setperm(backup,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1470 (perm & 0707) \| ((perm & 07) << 3));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1471 # if defined(HAVE_SELINUX) \|\| defined(HAVE_SMACK)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1472 mch_copy_sec(fname, backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1473 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1474 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1475
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1476 // copy the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1477 write_info.bw_fd = bfd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1478 write_info.bw_buf = copybuf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1479 write_info.bw_flags = FIO_NOCONVERT;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1480 while ((write_info.bw_len = read_eintr(fd, copybuf,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1481 WRITEBUFSIZE)) > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1482 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1483 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1484 {
30986 360f286b5869 patch 9.0.0828: various typos Bram Moolenaar <Bram@vim.org> parents: 30982 diff changeset	1485 errmsg = (char_u *)_(e_cant_write_to_backup_file_add_bang_to_override);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1486 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1487 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1488 ui_breakcheck();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1489 if (got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1490 {
26865 bce848ec8b1b patch 8.2.3961: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26863 diff changeset	1491 errmsg = (char_u *)_(e_interrupted);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1492 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1493 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1494 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1495
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1496 if (close(bfd) < 0 && errmsg == NULL)
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1497 errmsg = (char_u *)_(e_close_error_for_backup_file_add_bang_to_write_anyway);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1498 if (write_info.bw_len < 0)
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1499 errmsg = (char_u *)_(e_cant_read_file_for_backup_add_bang_to_write_anyway);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1500 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1501 set_file_time(backup, st_old.st_atime, st_old.st_mtime);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1502 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1503 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1504 mch_set_acl(backup, acl);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1505 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1506 #if defined(HAVE_SELINUX) \|\| defined(HAVE_SMACK)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1507 mch_copy_sec(fname, backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1508 #endif
23817 e6b37eca27b6 patch 8.2.2450: MS-Windows: ADS was not preserved if 'backupcopy' is "yes" Bram Moolenaar <Bram@vim.org> parents: 23308 diff changeset	1509 #ifdef MSWIN
e6b37eca27b6 patch 8.2.2450: MS-Windows: ADS was not preserved if 'backupcopy' is "yes" Bram Moolenaar <Bram@vim.org> parents: 23308 diff changeset	1510 (void)mch_copy_file_attribute(fname, backup);
e6b37eca27b6 patch 8.2.2450: MS-Windows: ADS was not preserved if 'backupcopy' is "yes" Bram Moolenaar <Bram@vim.org> parents: 23308 diff changeset	1511 #endif
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1512 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1513 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1514 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1515 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1516 nobackup:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1517 close(fd); // ignore errors for closing read file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1518 vim_free(copybuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1519
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1520 if (backup == NULL && errmsg == NULL)
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1521 errmsg = (char_u *)_(e_cannot_create_backup_file_add_bang_to_write_anyway);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1522 // ignore errors when forceit is TRUE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1523 if ((some_error \|\| errmsg != NULL) && !forceit)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1524 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1525 retval = FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1526 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1527 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1528 errmsg = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1529 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1530 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1531 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1532 char_u *dirp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1533 char_u *p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1534 char_u *rootname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1535
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1536 // Make a backup by renaming the original file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1537
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1538 // If 'cpoptions' includes the "W" flag, we don't want to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1539 // overwrite a read-only file. But rename may be possible
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1540 // anyway, thus we need an extra check here.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1541 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1542 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1543 errnum = (char_u *)"E504: ";
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1544 errmsg = (char_u *)_(e_is_read_only_cannot_override_W_in_cpoptions);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1545 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1546 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1547
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1548 // Form the backup file name - change path/fo.o.h to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1549 // path/fo.o.h.bak Try all directories in 'backupdir', first one
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1550 // that works is used.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1551 dirp = p_bdir;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1552 while (*dirp)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1553 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1554 // Isolate one directory name and make the backup file name.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1555 (void)copy_option_part(&dirp, IObuff, IOSIZE, ",");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1556
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1557 #if defined(UNIX) \|\| defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1558 p = IObuff + STRLEN(IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1559 if (after_pathsep(IObuff, p) && p[-1] == p[-2])
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1560 // path ends with '//', use full path
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1561 if ((p = make_percent_swname(IObuff, fname)) != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1562 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1563 backup = modname(p, backup_ext, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1564 vim_free(p);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1565 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1566 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1567 if (backup == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1568 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1569 rootname = get_file_in_dir(fname, IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1570 if (rootname == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1571 backup = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1572 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1573 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1574 backup = buf_modname(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1575 (buf->b_p_sn \|\| buf->b_shortname),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1576 rootname, backup_ext, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1577 vim_free(rootname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1578 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1579 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1580
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1581 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1582 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1583 // If we are not going to keep the backup file, don't
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1584 // delete an existing one, try to use another name.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1585 // Change one character, just before the extension.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1586 if (!p_bk && mch_getperm(backup) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1587 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1588 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1589 if (p < backup) // empty file name ???
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1590 p = backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1591 *p = 'z';
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1592 while (*p > 'a' && mch_getperm(backup) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1593 --*p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1594 // They all exist??? Must be something wrong!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1595 if (*p == 'a')
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1596 VIM_CLEAR(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1597 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1598 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1599 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1600 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1601 // Delete any existing backup and move the current version
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1602 // to the backup. For safety, we don't remove the backup
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1603 // until the write has finished successfully. And if the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1604 // 'backup' option is set, leave it around.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1605
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1606 // If the renaming of the original file to the backup file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1607 // works, quit here.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1608 if (vim_rename(fname, backup) == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1609 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1610
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1611 VIM_CLEAR(backup); // don't do the rename below
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1612 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1613 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1614 if (backup == NULL && !forceit)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1615 {
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1616 errmsg = (char_u *)_(e_cant_make_backup_file_add_bang_to_write_anyway);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1617 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1618 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1619 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1620 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1621
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1622 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1623 // When using ":w!" and the file was read-only: make it writable
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1624 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid()
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1625 && vim_strchr(p_cpo, CPO_FWRITE) == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1626 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1627 perm \|= 0200;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1628 (void)mch_setperm(fname, perm);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1629 made_writable = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1630 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1631 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1632
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1633 // When using ":w!" and writing to the current file, 'readonly' makes no
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1634 // sense, reset it, unless 'Z' appears in 'cpoptions'.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1635 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1636 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1637 buf->b_p_ro = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1638 need_maketitle = TRUE; // set window title later
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1639 status_redraw_all(); // redraw status lines later
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1640 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1641
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1642 if (end > buf->b_ml.ml_line_count)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1643 end = buf->b_ml.ml_line_count;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1644 if (buf->b_ml.ml_flags & ML_EMPTY)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1645 start = end + 1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1646
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1647 // If the original file is being overwritten, there is a small chance that
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1648 // we crash in the middle of writing. Therefore the file is preserved now.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1649 // This makes all block numbers positive so that recovery does not need
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1650 // the original file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1651 // Don't do this if there is a backup file and we are exiting.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1652 if (reset_changed && !newfile && overwriting
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1653 && !(exiting && backup != NULL))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1654 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1655 ml_preserve(buf, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1656 if (got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1657 {
26865 bce848ec8b1b patch 8.2.3961: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26863 diff changeset	1658 errmsg = (char_u *)_(e_interrupted);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1659 goto restore_backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1660 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1661 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1662
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1663 #ifdef VMS
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1664 vms_remove_version(fname); // remove version
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1665 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1666 // Default: write the file directly. May write to a temp file for
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1667 // multi-byte conversion.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1668 wfname = fname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1669
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1670 // Check for forced 'fileencoding' from "++opt=val" argument.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1671 if (eap != NULL && eap->force_enc != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1672 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1673 fenc = eap->cmd + eap->force_enc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1674 fenc = enc_canonize(fenc);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1675 fenc_tofree = fenc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1676 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1677 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1678 fenc = buf->b_p_fenc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1679
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1680 // Check if the file needs to be converted.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1681 converted = need_conversion(fenc);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1682
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1683 // Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1684 // Latin1 to Unicode conversion. This is handled in buf_write_bytes().
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1685 // Prepare the flags for it and allocate bw_conv_buf when needed.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1686 if (converted && (enc_utf8 \|\| STRCMP(p_enc, "latin1") == 0))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1687 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1688 wb_flags = get_fio_flags(fenc);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1689 if (wb_flags & (FIO_UCS2 \| FIO_UCS4 \| FIO_UTF16 \| FIO_UTF8))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1690 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1691 // Need to allocate a buffer to translate into.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1692 if (wb_flags & (FIO_UCS2 \| FIO_UTF16 \| FIO_UTF8))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1693 write_info.bw_conv_buflen = bufsize * 2;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1694 else // FIO_UCS4
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1695 write_info.bw_conv_buflen = bufsize * 4;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1696 write_info.bw_conv_buf = alloc(write_info.bw_conv_buflen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1697 if (write_info.bw_conv_buf == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1698 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1699 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1700 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1701
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1702 #ifdef MSWIN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1703 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1704 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1705 // Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1706 write_info.bw_conv_buflen = bufsize * 4;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1707 write_info.bw_conv_buf = alloc(write_info.bw_conv_buflen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1708 if (write_info.bw_conv_buf == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1709 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1710 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1711 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1712
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1713 #ifdef MACOS_CONVERT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1714 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1715 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1716 write_info.bw_conv_buflen = bufsize * 3;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1717 write_info.bw_conv_buf = alloc(write_info.bw_conv_buflen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1718 if (write_info.bw_conv_buf == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1719 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1720 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1721 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1722
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1723 #if defined(FEAT_EVAL) \|\| defined(USE_ICONV)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1724 if (converted && wb_flags == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1725 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1726 # ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1727 // Use iconv() conversion when conversion is needed and it's not done
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1728 // internally.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1729 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1730 enc_utf8 ? (char_u *)"utf-8" : p_enc);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1731 if (write_info.bw_iconv_fd != (iconv_t)-1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1732 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1733 // We're going to use iconv(), allocate a buffer to convert in.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1734 write_info.bw_conv_buflen = bufsize * ICONV_MULT;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1735 write_info.bw_conv_buf = alloc(write_info.bw_conv_buflen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1736 if (write_info.bw_conv_buf == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1737 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1738 write_info.bw_first = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1739 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1740 # ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1741 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1742 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1743 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1744
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1745 # ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1746 // When the file needs to be converted with 'charconvert' after
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1747 // writing, write to a temp file instead and let the conversion
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1748 // overwrite the original file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1749 if (*p_ccv != NUL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1750 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1751 wfname = vim_tempname('w', FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1752 if (wfname == NULL) // Can't write without a tempfile!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1753 {
26861 df2de1e63de0 patch 8.2.3959: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26857 diff changeset	1754 errmsg = (char_u *)_(e_cant_find_temp_file_for_writing);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1755 goto restore_backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1756 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1757 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1758 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1759 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1760 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1761 if (converted && wb_flags == 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1762 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1763 && write_info.bw_iconv_fd == (iconv_t)-1
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1764 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1765 # ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1766 && wfname == fname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1767 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1768 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1769 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1770 if (!forceit)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1771 {
26861 df2de1e63de0 patch 8.2.3959: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26857 diff changeset	1772 errmsg = (char_u *)_(e_cannot_convert_add_bang_to_write_without_conversion);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1773 goto restore_backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1774 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1775 notconverted = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1776 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1777
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1778 // If conversion is taking place, we may first pretend to write and check
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1779 // for conversion errors. Then loop again to write for real.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1780 // When not doing conversion this writes for real right away.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1781 for (checking_conversion = TRUE; ; checking_conversion = FALSE)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1782 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1783 // There is no need to check conversion when:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1784 // - there is no conversion
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1785 // - we make a backup file, that can be restored in case of conversion
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1786 // failure.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1787 if (!converted \|\| dobackup)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1788 checking_conversion = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1789
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1790 if (checking_conversion)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1791 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1792 // Make sure we don't write anything.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1793 fd = -1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1794 write_info.bw_fd = fd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1795 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1796 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1797 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1798 #ifdef HAVE_FTRUNCATE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1799 # define TRUNC_ON_OPEN 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1800 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1801 # define TRUNC_ON_OPEN O_TRUNC
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1802 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1803 // Open the file "wfname" for writing.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1804 // We may try to open the file twice: If we can't write to the file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1805 // and forceit is TRUE we delete the existing file and try to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1806 // create a new one. If this still fails we may have lost the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1807 // original file! (this may happen when the user reached his
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1808 // quotum for number of files).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1809 // Appending will fail if the file does not exist and forceit is
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1810 // FALSE.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1811 while ((fd = mch_open((char *)wfname, O_WRONLY \| O_EXTRA \| (append
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1812 ? (forceit ? (O_APPEND \| O_CREAT) : O_APPEND)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1813 : (O_CREAT \| TRUNC_ON_OPEN))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1814 , perm < 0 ? 0666 : (perm & 0777))) < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1815 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1816 // A forced write will try to create a new file if the old one
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1817 // is still readonly. This may also happen when the directory
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1818 // is read-only. In that case the mch_remove() will fail.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1819 if (errmsg == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1820 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1821 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1822 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1823
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1824 // Don't delete the file when it's a hard or symbolic link.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1825 if ((!newfile && st_old.st_nlink > 1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1826 \|\| (mch_lstat((char *)fname, &st) == 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1827 && (st.st_dev != st_old.st_dev
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1828 \|\| st.st_ino != st_old.st_ino)))
26857 2aeea8611342 patch 8.2.3957: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26436 diff changeset	1829 errmsg =
2aeea8611342 patch 8.2.3957: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26436 diff changeset	1830 (char_u *)_(e_cant_open_linked_file_for_writing);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1831 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1832 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1833 {
26861 df2de1e63de0 patch 8.2.3959: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26857 diff changeset	1834 errmsg = (char_u *)_(e_cant_open_file_for_writing);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1835 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1836 && perm >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1837 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1838 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1839 // we write to the file, thus it should be marked
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1840 // writable after all
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1841 if (!(perm & 0200))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1842 made_writable = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1843 perm \|= 0200;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1844 if (st_old.st_uid != getuid()
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1845 \|\| st_old.st_gid != getgid())
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1846 perm &= 0777;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1847 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1848 if (!append) // don't remove when appending
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1849 mch_remove(wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1850 continue;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1851 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1852 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1853 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1854
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1855 restore_backup:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1856 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1857 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1858
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1859 // If we failed to open the file, we don't need a backup.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1860 // Throw it away. If we moved or removed the original file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1861 // try to put the backup in its place.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1862 if (backup != NULL && wfname == fname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1863 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1864 if (backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1865 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1866 // There is a small chance that we removed the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1867 // original, try to move the copy in its place.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1868 // This may not work if the vim_rename() fails.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1869 // In that case we leave the copy around.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1870
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1871 // If file does not exist, put the copy in its
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1872 // place
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1873 if (mch_stat((char *)fname, &st) < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1874 vim_rename(backup, fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1875 // if original file does exist throw away the copy
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1876 if (mch_stat((char *)fname, &st) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1877 mch_remove(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1878 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1879 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1880 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1881 // try to put the original file back
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1882 vim_rename(backup, fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1883 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1884 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1885
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1886 // if original file no longer exists give an extra warning
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1887 if (!newfile && mch_stat((char *)fname, &st) < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1888 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1889 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1890
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1891 if (wfname != fname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1892 vim_free(wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1893 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1894 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1895 write_info.bw_fd = fd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1896
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1897 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1898 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1899 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1900
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1901 // Double check we are writing the intended file before making
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1902 // any changes.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1903 if (overwriting
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1904 && (!dobackup \|\| backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1905 && fname == wfname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1906 && perm >= 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1907 && mch_fstat(fd, &st) == 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1908 && st.st_ino != st_old.st_ino)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1909 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1910 close(fd);
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	1911 errmsg = (char_u *)_(e_file_changed_while_writing);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1912 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1913 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1914 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1915 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1916 #ifdef HAVE_FTRUNCATE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1917 if (!append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1918 vim_ignored = ftruncate(fd, (off_t)0);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1919 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1920
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1921 #if defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1922 if (backup != NULL && overwriting && !append)
23817 e6b37eca27b6 patch 8.2.2450: MS-Windows: ADS was not preserved if 'backupcopy' is "yes" Bram Moolenaar <Bram@vim.org> parents: 23308 diff changeset	1923 (void)mch_copy_file_attribute(backup, wfname);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1924
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1925 if (!overwriting && !append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1926 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1927 if (buf->b_ffname != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1928 (void)mch_copy_file_attribute(buf->b_ffname, wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1929 // Should copy resource fork
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1930 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1931 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1932
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1933 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1934 if (*buf->b_p_key != NUL && !filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1935 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1936 char_u *header;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1937 int header_len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1938
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1939 buf->b_cryptstate = crypt_create_for_writing(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1940 crypt_get_method_nr(buf),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1941 buf->b_p_key, &header, &header_len);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1942 if (buf->b_cryptstate == NULL \|\| header == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1943 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1944 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1945 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1946 // Write magic number, so that Vim knows how this file is
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1947 // encrypted when reading it back.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1948 write_info.bw_buf = header;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1949 write_info.bw_len = header_len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1950 write_info.bw_flags = FIO_NOCONVERT;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1951 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1952 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1953 wb_flags \|= FIO_ENCRYPTED;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1954 vim_free(header);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1955 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1956 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1957 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1958 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1959 errmsg = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1960
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1961 write_info.bw_buf = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1962 nchars = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1963
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1964 // use "++bin", "++nobin" or 'binary'
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1965 if (eap != NULL && eap->force_bin != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1966 write_bin = (eap->force_bin == FORCE_BIN);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1967 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1968 write_bin = buf->b_p_bin;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1969
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1970 // The BOM is written just after the encryption magic number.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1971 // Skip it when appending and the file already existed, the BOM only
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1972 // makes sense at the start of the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1973 if (buf->b_p_bomb && !write_bin && (!append \|\| perm < 0))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1974 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1975 write_info.bw_len = make_bom(buffer, fenc);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1976 if (write_info.bw_len > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1977 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1978 // don't convert, do encryption
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1979 write_info.bw_flags = FIO_NOCONVERT \| wb_flags;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1980 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1981 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1982 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1983 nchars += write_info.bw_len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1984 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1985 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1986 write_info.bw_start_lnum = start;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1987
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1988 #ifdef FEAT_PERSISTENT_UNDO
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1989 write_undo_file = (buf->b_p_udf
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1990 && overwriting
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1991 && !append
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1992 && !filtering
25052 965d97f8208b patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo file Bram Moolenaar <Bram@vim.org> parents: 24970 diff changeset	1993 # ifdef CRYPT_NOT_INPLACE
965d97f8208b patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo file Bram Moolenaar <Bram@vim.org> parents: 24970 diff changeset	1994 // writing undo file requires
965d97f8208b patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo file Bram Moolenaar <Bram@vim.org> parents: 24970 diff changeset	1995 // crypt_encode_inplace()
25362 68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	1996 && (buf->b_cryptstate == NULL
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	1997 \|\| crypt_works_inplace(buf->b_cryptstate))
25052 965d97f8208b patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo file Bram Moolenaar <Bram@vim.org> parents: 24970 diff changeset	1998 # endif
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1999 && reset_changed
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2000 && !checking_conversion);
25362 68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2001 # ifdef CRYPT_NOT_INPLACE
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2002 // remove undo file if encrypting it is not possible
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2003 if (buf->b_p_udf
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2004 && overwriting
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2005 && !append
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2006 && !filtering
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2007 && !checking_conversion
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2008 && buf->b_cryptstate != NULL
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2009 && !crypt_works_inplace(buf->b_cryptstate))
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2010 u_undofile_reset_and_delete(buf);
68a7e6d70a5e patch 8.2.3218: when using xchaha20 crypt undo file is not removed Bram Moolenaar <Bram@vim.org> parents: 25052 diff changeset	2011 # endif
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2012 if (write_undo_file)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2013 // Prepare for computing the hash value of the text.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2014 sha256_start(&sha_ctx);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2015 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2016
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2017 write_info.bw_len = bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2018 write_info.bw_flags = wb_flags;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2019 fileformat = get_fileformat_force(buf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2020 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2021 len = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2022 for (lnum = start; lnum <= end; ++lnum)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2023 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2024 // The next while loop is done once for each character written.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2025 // Keep it fast!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2026 ptr = ml_get_buf(buf, lnum, FALSE) - 1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2027 #ifdef FEAT_PERSISTENT_UNDO
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2028 if (write_undo_file)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2029 sha256_update(&sha_ctx, ptr + 1,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2030 (UINT32_T)(STRLEN(ptr + 1) + 1));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2031 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2032 while ((c = *++ptr) != NUL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2033 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2034 if (c == NL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2035 *s = NUL; // replace newlines with NULs
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2036 else if (c == CAR && fileformat == EOL_MAC)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2037 *s = NL; // Mac: replace CRs with NLs
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2038 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2039 *s = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2040 ++s;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2041 if (++len != bufsize)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2042 continue;
24970 7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2043 #ifdef FEAT_CRYPT
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2044 if (write_info.bw_fd > 0 && lnum == end
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2045 && (write_info.bw_flags & FIO_ENCRYPTED)
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2046 && *buf->b_p_key != NUL && !filtering
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2047 && *ptr == NUL)
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2048 write_info.bw_finish = TRUE;
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2049 #endif
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2050 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2051 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2052 end = 0; // write error: break loop
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2053 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2054 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2055 nchars += bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2056 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2057 len = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2058 write_info.bw_start_lnum = lnum;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2059 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2060 // write failed or last line has no EOL: stop here
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2061 if (end == 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2062 \|\| (lnum == end
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2063 && (write_bin \|\| !buf->b_p_fixeol)
23308 4d6c1b17f66a patch 8.2.2199: first write after setting 'eol' does not have NL added Bram Moolenaar <Bram@vim.org> parents: 23229 diff changeset	2064 && ((write_bin && lnum == buf->b_no_eol_lnum)
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2065 \|\| (lnum == buf->b_ml.ml_line_count
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2066 && !buf->b_p_eol))))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2067 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2068 ++lnum; // written the line, count it
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2069 no_eol = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2070 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2071 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2072 if (fileformat == EOL_UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2073 *s++ = NL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2074 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2075 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2076 *s++ = CAR; // EOL_MAC or EOL_DOS: write CR
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2077 if (fileformat == EOL_DOS) // write CR-NL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2078 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2079 if (++len == bufsize)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2080 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2081 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2082 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2083 end = 0; // write error: break loop
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2084 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2085 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2086 nchars += bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2087 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2088 len = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2089 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2090 *s++ = NL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2091 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2092 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2093 if (++len == bufsize && end)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2094 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2095 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2096 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2097 end = 0; // write error: break loop
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2098 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2099 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2100 nchars += bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2101 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2102 len = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2103
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2104 ui_breakcheck();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2105 if (got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2106 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2107 end = 0; // Interrupted, break loop
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2108 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2109 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2110 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2111 #ifdef VMS
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2112 // On VMS there is a problem: newlines get added when writing
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2113 // blocks at a time. Fix it by writing a line at a time.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2114 // This is much slower!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2115 // Explanation: VAX/DECC RTL insists that records in some RMS
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2116 // structures end with a newline (carriage return) character, and
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2117 // if they don't it adds one.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2118 // With other RMS structures it works perfect without this fix.
18896 4481f3b29fc5 patch 8.2.0009: VMS: terminal version doesn't build Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2119 # ifndef MIN
4481f3b29fc5 patch 8.2.0009: VMS: terminal version doesn't build Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2120 // Older DECC compiler for VAX doesn't define MIN()
4481f3b29fc5 patch 8.2.0009: VMS: terminal version doesn't build Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2121 # define MIN(a, b) ((a) < (b) ? (a) : (b))
4481f3b29fc5 patch 8.2.0009: VMS: terminal version doesn't build Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2122 # endif
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2123 if (buf->b_fab_rfm == FAB$C_VFC
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2124 \|\| ((buf->b_fab_rat & (FAB$M_FTN \| FAB$M_CR)) != 0))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2125 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2126 int b2write;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2127
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2128 buf->b_fab_mrs = (buf->b_fab_mrs == 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2129 ? MIN(4096, bufsize)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2130 : MIN(buf->b_fab_mrs, bufsize));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2131
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2132 b2write = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2133 while (b2write > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2134 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2135 write_info.bw_len = MIN(b2write, buf->b_fab_mrs);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2136 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2137 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2138 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2139 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2140 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2141 b2write -= MIN(b2write, buf->b_fab_mrs);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2142 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2143 write_info.bw_len = bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2144 nchars += len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2145 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2146 len = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2147 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2148 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2149 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2150 if (len > 0 && end > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2151 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2152 write_info.bw_len = len;
24970 7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2153 #ifdef FEAT_CRYPT
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2154 if (write_info.bw_fd > 0 && lnum >= end
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2155 && (write_info.bw_flags & FIO_ENCRYPTED)
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2156 && *buf->b_p_key != NUL && !filtering)
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2157 write_info.bw_finish = TRUE;
7e9e53a0368f patch 8.2.3022: available encryption methods are not strong enough Bram Moolenaar <Bram@vim.org> parents: 23817 diff changeset	2158 #endif
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2159 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2160 end = 0; // write error
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2161 nchars += len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2162 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2163
30982 92b1338023ee patch 9.0.0826: if 'endofline' is set CTRL-Z may be written in a wrong place Bram Moolenaar <Bram@vim.org> parents: 30965 diff changeset	2164 if (!buf->b_p_fixeol && buf->b_p_eof)
92b1338023ee patch 9.0.0826: if 'endofline' is set CTRL-Z may be written in a wrong place Bram Moolenaar <Bram@vim.org> parents: 30965 diff changeset	2165 {
92b1338023ee patch 9.0.0826: if 'endofline' is set CTRL-Z may be written in a wrong place Bram Moolenaar <Bram@vim.org> parents: 30965 diff changeset	2166 // write trailing CTRL-Z
92b1338023ee patch 9.0.0826: if 'endofline' is set CTRL-Z may be written in a wrong place Bram Moolenaar <Bram@vim.org> parents: 30965 diff changeset	2167 (void)write_eintr(write_info.bw_fd, "\x1a", 1);
92b1338023ee patch 9.0.0826: if 'endofline' is set CTRL-Z may be written in a wrong place Bram Moolenaar <Bram@vim.org> parents: 30965 diff changeset	2168 nchars++;
92b1338023ee patch 9.0.0826: if 'endofline' is set CTRL-Z may be written in a wrong place Bram Moolenaar <Bram@vim.org> parents: 30965 diff changeset	2169 }
92b1338023ee patch 9.0.0826: if 'endofline' is set CTRL-Z may be written in a wrong place Bram Moolenaar <Bram@vim.org> parents: 30965 diff changeset	2170
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2171 // Stop when writing done or an error was encountered.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2172 if (!checking_conversion \|\| end == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2173 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2174
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2175 // If no error happened until now, writing should be ok, so loop to
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2176 // really write the buffer.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2177 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2178
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2179 // If we started writing, finish writing. Also when an error was
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2180 // encountered.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2181 if (!checking_conversion)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2182 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2183 #if defined(UNIX) && defined(HAVE_FSYNC)
23229 b545334ae654 patch 8.2.2160: various typos Bram Moolenaar <Bram@vim.org> parents: 22985 diff changeset	2184 // On many journaling file systems there is a bug that causes both the
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2185 // original and the backup file to be lost when halting the system
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2186 // right after writing the file. That's because only the meta-data is
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2187 // journalled. Syncing the file slows down the system, but assures it
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2188 // has been written to disk and we don't lose it.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2189 // For a device do try the fsync() but don't complain if it does not
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2190 // work (could be a pipe).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2191 // If the 'fsync' option is FALSE, don't fsync(). Useful for laptops.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2192 if (p_fs && vim_fsync(fd) != 0 && !device)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2193 {
26877 06a137af96f8 patch 8.2.3967: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26865 diff changeset	2194 errmsg = (char_u *)_(e_fsync_failed);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2195 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2196 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2197 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2198
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2199 #if defined(HAVE_SELINUX) \|\| defined(HAVE_SMACK)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2200 // Probably need to set the security context.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2201 if (!backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2202 mch_copy_sec(backup, wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2203 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2204
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2205 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2206 // When creating a new file, set its owner/group to that of the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2207 // original file. Get the new device and inode number.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2208 if (backup != NULL && !backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2209 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2210 # ifdef HAVE_FCHOWN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2211 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2212
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2213 // Don't change the owner when it's already OK, some systems remove
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2214 // permission or ACL stuff.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2215 if (mch_stat((char *)wfname, &st) < 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2216 \|\| st.st_uid != st_old.st_uid
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2217 \|\| st.st_gid != st_old.st_gid)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2218 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2219 // changing owner might not be possible
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2220 vim_ignored = fchown(fd, st_old.st_uid, -1);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2221 // if changing group fails clear the group permissions
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2222 if (fchown(fd, -1, st_old.st_gid) == -1 && perm > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2223 perm &= ~070;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2224 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2225 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2226 buf_setino(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2227 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2228 else if (!buf->b_dev_valid)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2229 // Set the inode when creating a new file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2230 buf_setino(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2231 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2232
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2233 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2234 if (made_writable)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2235 perm &= ~0200; // reset 'w' bit for security reasons
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2236 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2237 #ifdef HAVE_FCHMOD
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2238 // set permission of new file same as old file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2239 if (perm >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2240 (void)mch_fsetperm(fd, perm);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2241 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2242 if (close(fd) != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2243 {
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	2244 errmsg = (char_u *)_(e_close_failed);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2245 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2246 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2247
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2248 #ifndef HAVE_FCHMOD
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2249 // set permission of new file same as old file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2250 if (perm >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2251 (void)mch_setperm(wfname, perm);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2252 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2253 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2254 // Probably need to set the ACL before changing the user (can't set the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2255 // ACL on a file the user doesn't own).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2256 // On Solaris, with ZFS and the aclmode property set to "discard" (the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2257 // default), chmod() discards all part of a file's ACL that don't
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2258 // represent the mode of the file. It's non-trivial for us to discover
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2259 // whether we're in that situation, so we simply always re-set the ACL.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2260 # ifndef HAVE_SOLARIS_ZFS_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2261 if (!backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2262 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2263 mch_set_acl(wfname, acl);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2264 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2265 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2266 if (buf->b_cryptstate != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2267 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2268 crypt_free_state(buf->b_cryptstate);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2269 buf->b_cryptstate = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2270 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2271 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2272
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2273 #if defined(FEAT_EVAL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2274 if (wfname != fname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2275 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2276 // The file was written to a temp file, now it needs to be
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2277 // converted with 'charconvert' to (overwrite) the output file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2278 if (end != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2279 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2280 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2281 fenc, wfname, fname) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2282 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2283 write_info.bw_conv_error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2284 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2285 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2286 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2287 mch_remove(wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2288 vim_free(wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2289 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2290 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2291 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2292
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2293 if (end == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2294 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2295 // Error encountered.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2296 if (errmsg == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2297 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2298 if (write_info.bw_conv_error)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2299 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2300 if (write_info.bw_conv_error_lnum == 0)
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	2301 errmsg = (char_u *)_(e_write_error_conversion_failed_make_fenc_empty_to_override);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2302 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2303 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2304 errmsg_allocated = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2305 errmsg = alloc(300);
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	2306 vim_snprintf((char *)errmsg, 300, _(e_write_error_conversion_failed_in_line_nr_make_fenc_empty_to_override),
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2307 (long)write_info.bw_conv_error_lnum);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2308 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2309 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2310 else if (got_int)
26865 bce848ec8b1b patch 8.2.3961: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26863 diff changeset	2311 errmsg = (char_u *)_(e_interrupted);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2312 else
26863 6ee19c6ae8a2 patch 8.2.3960: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26861 diff changeset	2313 errmsg = (char_u *)_(e_write_error_file_system_full);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2314 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2315
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2316 // If we have a backup file, try to put it in place of the new file,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2317 // because the new file is probably corrupt. This avoids losing the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2318 // original file when trying to make a backup when writing the file a
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2319 // second time.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2320 // When "backup_copy" is set we need to copy the backup over the new
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2321 // file. Otherwise rename the backup file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2322 // If this is OK, don't give the extra warning message.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2323 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2324 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2325 if (backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2326 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2327 // This may take a while, if we were interrupted let the user
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2328 // know we got the message.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2329 if (got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2330 {
26865 bce848ec8b1b patch 8.2.3961: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26863 diff changeset	2331 msg(_(e_interrupted));
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2332 out_flush();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2333 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2334 if ((fd = mch_open((char *)backup, O_RDONLY \| O_EXTRA, 0)) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2335 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2336 if ((write_info.bw_fd = mch_open((char *)fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2337 O_WRONLY \| O_CREAT \| O_TRUNC \| O_EXTRA,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2338 perm & 0777)) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2339 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2340 // copy the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2341 write_info.bw_buf = smallbuf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2342 write_info.bw_flags = FIO_NOCONVERT;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2343 while ((write_info.bw_len = read_eintr(fd, smallbuf,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2344 SMALLBUFSIZE)) > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2345 if (buf_write_bytes(&write_info) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2346 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2347
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2348 if (close(write_info.bw_fd) >= 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2349 && write_info.bw_len == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2350 end = 1; // success
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2351 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2352 close(fd); // ignore errors for closing read file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2353 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2354 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2355 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2356 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2357 if (vim_rename(backup, fname) == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2358 end = 1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2359 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2360 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2361 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2362 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2363
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2364 lnum -= start; // compute number of written lines
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2365 --no_wait_return; // may wait for return now
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2366
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2367 #if !(defined(UNIX) \|\| defined(VMS))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2368 fname = sfname; // use shortname now, for the messages
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2369 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2370 if (!filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2371 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2372 msg_add_fname(buf, fname); // put fname in IObuff with quotes
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2373 c = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2374 if (write_info.bw_conv_error)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2375 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2376 STRCAT(IObuff, _(" CONVERSION ERROR"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2377 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2378 if (write_info.bw_conv_error_lnum != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2379 vim_snprintf_add((char *)IObuff, IOSIZE, _(" in line %ld;"),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2380 (long)write_info.bw_conv_error_lnum);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2381 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2382 else if (notconverted)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2383 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2384 STRCAT(IObuff, _("[NOT converted]"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2385 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2386 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2387 else if (converted)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2388 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2389 STRCAT(IObuff, _("[converted]"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2390 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2391 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2392 if (device)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2393 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2394 STRCAT(IObuff, _("[Device]"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2395 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2396 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2397 else if (newfile)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2398 {
20828 db18625d8134 patch 8.2.0966: 'shortmess' flag "n" not used in two places Bram Moolenaar <Bram@vim.org> parents: 18896 diff changeset	2399 STRCAT(IObuff, new_file_message());
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2400 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2401 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2402 if (no_eol)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2403 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2404 msg_add_eol();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2405 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2406 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2407 // may add [unix/dos/mac]
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2408 if (msg_add_fileformat(fileformat))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2409 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2410 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2411 if (wb_flags & FIO_ENCRYPTED)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2412 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2413 crypt_append_msg(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2414 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2415 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2416 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2417 msg_add_lines(c, (long)lnum, nchars); // add line/char count
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2418 if (!shortmess(SHM_WRITE))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2419 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2420 if (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2421 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2422 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2423 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2424 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2425
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2426 set_keep_msg((char_u )msg_trunc_attr((char )IObuff, FALSE, 0), 0);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2427 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2428
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2429 // When written everything correctly: reset 'modified'. Unless not
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2430 // writing to the original file and '+' is not in 'cpoptions'.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2431 if (reset_changed && whole && !append
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2432 && !write_info.bw_conv_error
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2433 && (overwriting \|\| vim_strchr(p_cpo, CPO_PLUS) != NULL))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2434 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2435 unchanged(buf, TRUE, FALSE);
25967 46205b125fbd patch 8.2.3517: TextChanged does not trigger after TextChangedI Bram Moolenaar <Bram@vim.org> parents: 25953 diff changeset	2436 // b:changedtick may be incremented in unchanged() but that should not
46205b125fbd patch 8.2.3517: TextChanged does not trigger after TextChangedI Bram Moolenaar <Bram@vim.org> parents: 25953 diff changeset	2437 // trigger a TextChanged event.
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2438 if (buf->b_last_changedtick + 1 == CHANGEDTICK(buf))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2439 buf->b_last_changedtick = CHANGEDTICK(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2440 u_unchanged(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2441 u_update_save_nr(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2442 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2443
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2444 // If written to the current file, update the timestamp of the swap file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2445 // and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2446 if (overwriting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2447 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2448 ml_timestamp(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2449 if (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2450 buf->b_flags &= ~BF_NEW;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2451 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2452 buf->b_flags &= ~BF_WRITE_MASK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2453 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2454
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2455 // If we kept a backup until now, and we are in patch mode, then we make
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2456 // the backup file our 'original' file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2457 if (*p_pm && dobackup)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2458 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2459 char org = (char )buf_modname((buf->b_p_sn \|\| buf->b_shortname),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2460 fname, p_pm, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2461
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2462 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2463 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2464 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2465
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2466 // If the original file does not exist yet
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2467 // the current backup file becomes the original file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2468 if (org == NULL)
26861 df2de1e63de0 patch 8.2.3959: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26857 diff changeset	2469 emsg(_(e_patchmode_cant_save_original_file));
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2470 else if (mch_stat(org, &st) < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2471 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2472 vim_rename(backup, (char_u *)org);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2473 VIM_CLEAR(backup); // don't delete the file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2474 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2475 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2476 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2477 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2478 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2479 // If there is no backup file, remember that a (new) file was
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2480 // created.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2481 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2482 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2483 int empty_fd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2484
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2485 if (org == NULL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2486 \|\| (empty_fd = mch_open(org,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2487 O_CREAT \| O_EXTRA \| O_EXCL \| O_NOFOLLOW,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2488 perm < 0 ? 0666 : (perm & 0777))) < 0)
26861 df2de1e63de0 patch 8.2.3959: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26857 diff changeset	2489 emsg(_(e_patchmode_cant_touch_empty_original_file));
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2490 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2491 close(empty_fd);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2492 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2493 if (org != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2494 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2495 mch_setperm((char_u *)org, mch_getperm(fname) & 0777);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2496 vim_free(org);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2497 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2498 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2499
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2500 // Remove the backup unless 'backup' option is set or there was a
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2501 // conversion error.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2502 if (!p_bk && backup != NULL && !write_info.bw_conv_error
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2503 && mch_remove(backup) != 0)
26861 df2de1e63de0 patch 8.2.3959: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26857 diff changeset	2504 emsg(_(e_cant_delete_backup_file));
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2505
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2506 goto nofail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2507
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2508 // Finish up. We get here either after failure or success.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2509 fail:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2510 --no_wait_return; // may wait for return now
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2511 nofail:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2512
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2513 // Done saving, we accept changed buffer warnings again
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2514 buf->b_saving = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2515
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2516 vim_free(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2517 if (buffer != smallbuf)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2518 vim_free(buffer);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2519 vim_free(fenc_tofree);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2520 vim_free(write_info.bw_conv_buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2521 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2522 if (write_info.bw_iconv_fd != (iconv_t)-1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2523 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2524 iconv_close(write_info.bw_iconv_fd);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2525 write_info.bw_iconv_fd = (iconv_t)-1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2526 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2527 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2528 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2529 mch_free_acl(acl);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2530 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2531
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2532 if (errmsg != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2533 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2534 int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2535
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2536 attr = HL_ATTR(HLF_E); // set highlight for error messages
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2537 msg_add_fname(buf,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2538 #ifndef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2539 sfname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2540 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2541 fname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2542 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2543 ); // put file name in IObuff with quotes
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2544 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2545 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2546 // If the error message has the form "is ...", put the error number in
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2547 // front of the file name.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2548 if (errnum != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2549 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2550 STRMOVE(IObuff + numlen, IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2551 mch_memmove(IObuff, errnum, (size_t)numlen);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2552 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2553 STRCAT(IObuff, errmsg);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2554 emsg((char *)IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2555 if (errmsg_allocated)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2556 vim_free(errmsg);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2557
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2558 retval = FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2559 if (end == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2560 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2561 msg_puts_attr(_("\nWARNING: Original file may be lost or damaged\n"),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2562 attr \| MSG_HIST);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2563 msg_puts_attr(_("don't quit the editor until the file is successfully written!"),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2564 attr \| MSG_HIST);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2565
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2566 // Update the timestamp to avoid an "overwrite changed file"
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2567 // prompt when writing again.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2568 if (mch_stat((char *)fname, &st_old) >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2569 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2570 buf_store_time(buf, &st_old, fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2571 buf->b_mtime_read = buf->b_mtime;
25953 d7e1cf30728c patch 8.2.3510: changes are only detected with one second accuracy Bram Moolenaar <Bram@vim.org> parents: 25362 diff changeset	2572 buf->b_mtime_read_ns = buf->b_mtime_ns;
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2573 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2574 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2575 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2576 msg_scroll = msg_save;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2577
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2578 #ifdef FEAT_PERSISTENT_UNDO
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2579 // When writing the whole file and 'undofile' is set, also write the undo
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2580 // file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2581 if (retval == OK && write_undo_file)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2582 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2583 char_u hash[UNDO_HASH_SIZE];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2584
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2585 sha256_finish(&sha_ctx, hash);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2586 u_write_undo(NULL, FALSE, buf, hash);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2587 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2588 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2589
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2590 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2591 if (!should_abort(retval))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2592 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2593 if (!got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2594 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2595 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2596 aco_save_T aco;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2597
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2598 curbuf->b_no_eol_lnum = 0; // in case it was set by the previous read
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2599
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2600 // Apply POST autocommands.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2601 // Careful: The autocommands may call buf_write() recursively!
31263 d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2602 // Only do this when a window was found for "buf".
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2603 aucmd_prepbuf(&aco, buf);
31263 d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2604 if (curbuf == buf)
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2605 {
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2606 if (append)
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2607 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname,
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2608 FALSE, curbuf, eap);
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2609 else if (filtering)
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2610 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname,
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2611 FALSE, curbuf, eap);
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2612 else if (reset_changed && whole)
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2613 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname,
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2614 FALSE, curbuf, eap);
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2615 else
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2616 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname,
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2617 FALSE, curbuf, eap);
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2618
31263 d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2619 // restore curwin/curbuf and a few other things
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2620 aucmd_restbuf(&aco);
d8e7d725a666 patch 9.0.0965: using one window for executing autocommands is insufficient Bram Moolenaar <Bram@vim.org> parents: 30986 diff changeset	2621 }
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2622
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2623 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2624 if (aborting()) // autocmds may abort script processing
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2625 retval = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2626 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2627 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2628
22985 d768cdd50602 patch 8.2.2039: viminfo is not written when creating a new file Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2629 #ifdef FEAT_VIMINFO
d768cdd50602 patch 8.2.2039: viminfo is not written when creating a new file Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2630 // Make sure marks will be written out to the viminfo file later, even when
d768cdd50602 patch 8.2.2039: viminfo is not written when creating a new file Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2631 // the file is new.
d768cdd50602 patch 8.2.2039: viminfo is not written when creating a new file Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2632 curbuf->b_marks_read = TRUE;
d768cdd50602 patch 8.2.2039: viminfo is not written when creating a new file Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2633 #endif
d768cdd50602 patch 8.2.2039: viminfo is not written when creating a new file Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2634
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2635 got_int \|= prev_got_int;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2636
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2637 return retval;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2638 }

Mercurial > vim

annotate src/bufwrite.c @ 32513:57e589d18e7d v9.0.1588