vim: src/bufwrite.c annotate

annotate src/bufwrite.c @ 18621:a9bfdc5ea1ec v8.1.2303

patch 8.1.2303: cursor in wrong position after horizontal scroll Commit: https://github.com/vim/vim/commit/08f23636aef595f4cc061dfee8248dca97df16b3 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 16 14:19:33 2019 +0100 patch 8.1.2303: cursor in wrong position after horizontal scroll Problem: Cursor in wrong position after horizontal scroll. Solution: Set w_valid_leftcol. (closes https://github.com/vim/vim/issues/5214, closes https://github.com/vim/vim/issues/5224)

author	Bram Moolenaar <Bram@vim.org>
date	Sat, 16 Nov 2019 14:30:03 +0100
parents	788d76db02ac
children	4481f3b29fc5

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
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	33 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	34 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	35 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	36 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	37 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	38 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	39 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	40 linenr_T bw_conv_error_lnum; // first line with error or zero
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	41 linenr_T bw_start_lnum; // line number at start of buffer
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	42 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	43 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	44 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	45 };
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 * 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	49 * 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	50 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	51 static int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	52 ucs2bytes(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	53 unsigned c, // in: character
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	54 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	55 int flags) // FIO_ flags
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	56 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	57 char_u p = pp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	58 int error = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	59 int cc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	60
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 if (flags & FIO_UCS4)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	63 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	64 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	65 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	66 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	67 *p++ = (c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	68 *p++ = (c >> 16);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	69 *p++ = (c >> 24);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	70 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	71 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	72 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	73 *p++ = (c >> 24);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	74 *p++ = (c >> 16);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	75 *p++ = (c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	76 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	77 }
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 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	80 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	81 if (c >= 0x10000)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	82 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	83 if (flags & FIO_UTF16)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	84 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	85 // 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	86 // 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	87 c -= 0x10000;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	88 if (c >= 0x100000)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	89 error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	90 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	91 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	92 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	93 *p++ = cc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	94 *p++ = ((unsigned)cc >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	95 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	96 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	97 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	98 *p++ = ((unsigned)cc >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	99 *p++ = cc;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	100 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	101 c = (c & 0x3ff) + 0xdc00;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	102 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	103 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	104 error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	105 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	106 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	107 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	108 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	109 *p++ = (c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	110 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	111 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	112 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	113 *p++ = (c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	114 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	115 }
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 else // Latin1
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	118 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	119 if (c >= 0x100)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	120 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	121 error = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	122 *p++ = 0xBF;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	123 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	124 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	125 *p++ = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	126 }
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 *pp = p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	129 return error;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	130 }
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 * 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	134 * 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	135 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	136 * 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	137 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	138 static int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	139 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	140 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	141 int wlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	142 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	143 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	144 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	145
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	146 // 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	147 if (!(flags & FIO_NOCONVERT))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	148 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	149 char_u *p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	150 unsigned c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	151 int n;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	152
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	153 if (flags & FIO_UTF8)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	154 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	155 // 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	156 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	157 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	158 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	159 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	160 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	161 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	162 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	163 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	164 // 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	165 // 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	166 if (flags & FIO_LATIN1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	167 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	168 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	169 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	170 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	171 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	172 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	173 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	174 int l;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	175
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	176 // 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	177 // 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	178 // short!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	179 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	180 if (l > len)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	181 l = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	182 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	183 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	184 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	185 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	186 // 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	187 // 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	188 // 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	189 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	190 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	191 ip->bw_restlen += len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	192 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	193 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	194 if (n > 1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	195 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	196 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	197 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	198 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	199 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	200 n -= ip->bw_restlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	201 ip->bw_restlen = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	202 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	203 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	204 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	205 ip->bw_restlen -= n;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	206 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	207 (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	208 n = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	209 }
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 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	212 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	213 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	214 if (n > len - wlen)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	215 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	216 // 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	217 // 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	218 // 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	219 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	220 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	221 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	222 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	223 (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	224 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	225 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	226 if (n > 1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	227 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	228 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	229 c = buf[wlen];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	230 }
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 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	233 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	234 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	235 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	236 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	237 if (c == NL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	238 ++ip->bw_start_lnum;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	239 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	240 if (flags & FIO_LATIN1)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	241 len = (int)(p - buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	242 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	243 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	244 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	245 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	246 }
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 #ifdef MSWIN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	250 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	251 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	252 // 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	253 // codepage.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	254 char_u *from;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	255 size_t fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	256 char_u *to;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	257 int u8c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	258 BOOL bad = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	259 int needed;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	260
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	261 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	262 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	263 // 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	264 // 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	265 // conversion buffer for this.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	266 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	267 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	268 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	269 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	270 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	271 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	272 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	273 from = buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	274 fromlen = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	275 }
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 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	278 if (enc_utf8)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	279 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	280 // 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	281 // 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	282 while (fromlen > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	283 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	284 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	285 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	286 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	287 u8c = utf_ptr2char(from);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	288 *to++ = (u8c & 0xff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	289 *to++ = (u8c >> 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	290 fromlen -= n;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	291 from += n;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	292 }
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 // 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	295 // call.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	296 if (fromlen > CONV_RESTLEN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	297 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	298 // weird overlong sequence
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	299 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	300 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	301 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	302 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	303 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	304 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	305 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	306 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	307 // 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	308 // 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	309 ip->bw_restlen = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	310 needed = MultiByteToWideChar(enc_codepage,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	311 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	312 NULL, 0);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	313 if (needed == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	314 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	315 // 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	316 needed = MultiByteToWideChar(enc_codepage,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	317 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	318 NULL, 0);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	319 if (needed == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	320 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	321 // Conversion doesn't work.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	322 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	323 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	324 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	325 // 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	326 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	327 ip->bw_restlen = 1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	328 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	329 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	330 (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	331 (LPWSTR)to, needed);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	332 if (needed == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	333 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	334 // 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	335 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	336 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	337 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	338 to += needed * 2;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	339 }
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 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	342 buf = to;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	343 # 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	344 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	345 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	346 // 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	347 // 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	348 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	349 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	350 u8c = *from++;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	351 u8c += (*from++ << 8);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	352 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	353 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	354 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	355 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	356 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	357 }
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 len = (int)(to - buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	360 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	361 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	362 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	363 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	364 // 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	365 // 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	366 // 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	367 // fail.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	368 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	369 (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	370 (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	371 &bad);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	372 if (bad)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	373 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	374 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	375 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	376 }
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 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	380
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	381 #ifdef MACOS_CONVERT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	382 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	383 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	384 // 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	385 char_u *from;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	386 size_t fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	387
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	388 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	389 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	390 // 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	391 // 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	392 // conversion buffer for this.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	393 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	394 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	395 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	396 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	397 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	398 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	399 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	400 from = buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	401 fromlen = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	402 }
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 if (enc2macroman(from, fromlen,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	405 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	406 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	407 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	408 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	409 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	410 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	411 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	412 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	413 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	414
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	415 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	416 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	417 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	418 const char *from;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	419 size_t fromlen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	420 char *to;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	421 size_t tolen;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	422
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	423 // Convert with iconv().
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	424 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	425 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	426 char *fp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	427
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	428 // 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	429 // 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	430 // conversion buffer for this.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	431 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	432 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	433 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	434 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	435 from = fp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	436 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	437 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	438 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	439 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	440 from = (const char *)buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	441 fromlen = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	442 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	443 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	444 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	445
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	446 if (ip->bw_first)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	447 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	448 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	449
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	450 // 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	451 (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	452
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	453 // 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	454 // 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	455 if (to == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	456 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	457 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	458 tolen = save_len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	459 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	460 ip->bw_first = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	461 }
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 // 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	464 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	465 == (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	466 \|\| fromlen > CONV_RESTLEN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	467 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	468 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	469 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	470 }
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 // 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	473 if (fromlen > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	474 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	475 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	476
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	477 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	478 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	479 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	480 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	481 }
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 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	484 // 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	485 return OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	486
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	487 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	488 if (flags & FIO_ENCRYPTED)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	489 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	490 // 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	491 // allocated buffer.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	492 # ifdef CRYPT_NOT_INPLACE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	493 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	494 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	495 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	496 crypt_encode_inplace(ip->bw_buffer->b_cryptstate, buf, len);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	497 # ifdef CRYPT_NOT_INPLACE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	498 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	499 else
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 char_u *outbuf;
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 len = crypt_encode_alloc(curbuf->b_cryptstate, buf, len, &outbuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	504 if (len == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	505 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	506 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	507 vim_free(outbuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	508 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	509 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	510 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	511 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	512 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	513
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	514 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	515 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	516 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	517
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	518 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	519 * 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	520 * 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	521 * 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	522 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	523 static int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	524 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	525 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	526 if (buf->b_mtime_read != 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	527 && time_differs((long)st->st_mtime, buf->b_mtime_read))
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 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	530 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	531 // 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	532 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	533 HL_ATTR(HLF_E));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	534 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	535 TRUE) == 'n')
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	536 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	537 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	538 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	539 return OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	540 }
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 /*
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	543 * 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	544 * 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	545 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	546 static int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	547 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	548 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	549 int flags;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	550 char_u *p;
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 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	553
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	554 // 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	555 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	556 return 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	557
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	558 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	559 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	560 buf[0] = 0xef;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	561 buf[1] = 0xbb;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	562 buf[2] = 0xbf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	563 return 3;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	564 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	565 p = buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	566 (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	567 return (int)(p - buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	568 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	569
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	570 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	571 static void
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	572 set_file_time(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	573 char_u *fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	574 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	575 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	576 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	577 # 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	578 struct utimbuf buf;
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 buf.actime = atime;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	581 buf.modtime = mtime;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	582 (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	583 # else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	584 # if defined(HAVE_UTIMES)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	585 struct timeval tvp[2];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	586
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	587 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	588 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	589 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	590 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	591 # ifdef NeXT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	592 (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	593 # else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	594 (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	595 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	596 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	597 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	598 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	599 #endif // UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	600
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 * 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	603 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	604 * 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	605 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	606 * 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	607 * 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	608 * 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	609 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	610 * 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	611 * "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	612 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	613 * 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	614 *
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	615 * 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	616 */
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	617 int
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	618 buf_write(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	619 buf_T *buf,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	620 char_u *fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	621 char_u *sfname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	622 linenr_T start,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	623 linenr_T end,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	624 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	625 // NULL!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	626 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	627 int forceit,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	628 int reset_changed,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	629 int filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	630 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	631 int fd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	632 char_u *backup = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	633 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	634 int dobackup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	635 char_u *ffname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	636 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	637 char_u *s;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	638 char_u *ptr;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	639 char_u c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	640 int len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	641 linenr_T lnum;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	642 long nchars;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	643 char_u *errmsg = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	644 int errmsg_allocated = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	645 char_u *errnum = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	646 char_u *buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	647 char_u smallbuf[SMALLBUFSIZE];
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	648 char_u *backup_ext;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	649 int bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	650 long perm; // file permissions
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	651 int retval = OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	652 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	653 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	654 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	655 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	656 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	657 stat_T st_old;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	658 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	659 int checking_conversion;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	660 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	661 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	662 #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	663 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	664 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	665 // writing everything
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	666 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	667 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	668 int attr;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	669 int fileformat;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	670 int write_bin;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	671 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	672 int converted = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	673 int notconverted = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	674 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	675 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	676 int wb_flags = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	677 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	678 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	679 // backup or new file
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	680 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	681 #ifdef FEAT_PERSISTENT_UNDO
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	682 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	683 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	684 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	685 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	686 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	687 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	688
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	689 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	690 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	691 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	692 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	693 // 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	694 // vimrc file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	695 emsg(_(e_emptybuf));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	696 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	697 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	698
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	699 // 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	700 // security reasons.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	701 if (check_secure())
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	702 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	703
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	704 // 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	705 if (STRLEN(fname) >= MAXPATHL)
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 emsg(_(e_longname));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	708 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	709 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	710
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	711 // 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	712 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	713 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	714 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	715 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	716 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	717 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	718 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	719 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	720 write_info.bw_buffer = buf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	721 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	722
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	723 // 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	724 // the line.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	725 ex_no_reprint = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	726
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	727 // 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	728 // 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	729 // 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	730 // 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	731 // 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	732 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	733 && reset_changed
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	734 && whole
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	735 && buf == curbuf
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	736 #ifdef FEAT_QUICKFIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	737 && !bt_nofilename(buf)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	738 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	739 && !filtering
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	740 && (!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	741 && 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	742 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	743 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	744 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	745 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	746 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	747
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	748 if (sfname == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	749 sfname = fname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	750 // 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	751 // 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	752 // 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	753 // 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	754 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	755 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	756 fname = sfname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	757 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	758
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	759 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	760 overwriting = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	761 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	762 overwriting = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	763
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	764 if (exiting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	765 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	766
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	767 ++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	768
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	769 // 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	770 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	771 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	772 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	773 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	774
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 aco_save_T aco;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	777 int buf_ffname = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	778 int buf_sfname = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	779 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	780 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	781 int did_cmd = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	782 int nofile_err = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	783 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	784 bufref_T bufref;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	785
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	786 // Apply PRE autocommands.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	787 // 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	788 // 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	789 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	790 buf_ffname = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	791 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	792 buf_sfname = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	793 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	794 buf_fname_f = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	795 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	796 buf_fname_s = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	797
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	798 // set curwin/curbuf to buf and save a few things
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	799 aucmd_prepbuf(&aco, buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	800 set_bufref(&bufref, buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	801
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	802 if (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	803 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	804 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	805 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	806 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	807 #ifdef FEAT_QUICKFIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	808 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	809 nofile_err = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	810 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	811 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	812 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	813 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	814 }
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 else if (filtering)
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 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	819 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	820 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	821 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	822 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	823 int was_changed = curbufIsChanged();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	824
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	825 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	826 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	827 if (did_cmd)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	828 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	829 if (was_changed && !curbufIsChanged())
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	830 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	831 // 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	832 // '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	833 // undo now sets 'modified'.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	834 u_unchanged(curbuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	835 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	836 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	837 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	838 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	839 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	840 #ifdef FEAT_QUICKFIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	841 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	842 nofile_err = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	843 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	844 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	845 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	846 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	847 }
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 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	850 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	851 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	852 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	853 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	854 #ifdef FEAT_QUICKFIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	855 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	856 nofile_err = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	857 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	858 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	859 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	860 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	861 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	862 }
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 // 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	865 aucmd_restbuf(&aco);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	866
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	867 // 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	868 // 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	869 // 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	870 // 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	871 if (!bufref_valid(&bufref))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	872 buf = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	873 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	874 \|\| did_cmd \|\| nofile_err
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	875 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	876 \|\| aborting()
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	877 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	878 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	879 {
18619 788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	880 if (buf != NULL && cmdmod.lockmarks)
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	881 {
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	882 // 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	883 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	884 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	885 }
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	886
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	887 --no_wait_return;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	888 msg_scroll = msg_save;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	889 if (nofile_err)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	890 emsg(_("E676: No matching autocommands for acwrite buffer"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	891
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	892 if (nofile_err
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	893 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	894 \|\| aborting()
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	895 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	896 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	897 // 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	898 // autocommands.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	899 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	900 if (did_cmd)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	901 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	902 if (buf == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	903 // 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	904 // (can't retry anyway).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	905 return OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	906 if (overwriting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	907 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	908 // 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	909 ml_timestamp(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	910 if (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	911 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	912 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	913 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	914 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	915 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	916 && (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	917 // 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	918 // properly.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	919 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	920 return OK;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	921 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	922 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	923 if (!aborting())
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	924 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	925 emsg(_("E203: Autocommands deleted or unloaded buffer to be written"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	926 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	927 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	928
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	929 // 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	930 // 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	931 // 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	932 // 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	933 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	934 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	935 if (whole) // write all
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	936 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	937 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	938 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	939 else // less lines
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	940 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	941 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	942 if (end < start)
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 --no_wait_return;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	945 msg_scroll = msg_save;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	946 emsg(_("E204: Autocommand changed number of lines in unexpected way"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	947 return FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	948 }
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 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	951
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	952 // 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	953 // 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	954 if (buf_ffname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	955 ffname = buf->b_ffname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	956 if (buf_sfname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	957 sfname = buf->b_sfname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	958 if (buf_fname_f)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	959 fname = buf->b_ffname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	960 if (buf_fname_s)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	961 fname = buf->b_sfname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	962 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	963
18619 788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	964 if (cmdmod.lockmarks)
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	965 {
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	966 // 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	967 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	968 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	969 }
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18199 diff changeset	970
18199 e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	971 #ifdef FEAT_NETBEANS_INTG
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	972 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	973 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	974 if (whole)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	975 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	976 // 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	977 // the buffer to NetBeans.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	978 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	979 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	980 --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	981 msg_scroll = msg_save;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	982 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	983 return retval;
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 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	986 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	987 errnum = (char_u *)"E656: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	988 errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	989 buffer = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	990 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	991 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	992 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	993 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	994 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	995 errnum = (char_u *)"E657: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	996 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	997 buffer = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	998 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	999 }
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 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1002
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1003 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	1004 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	1005 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1006 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	1007 if (!filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1008 filemess(buf,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1009 #ifndef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1010 sfname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1011 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1012 fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1013 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1014 (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	1015 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	1016
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1017 buffer = alloc(WRITEBUFSIZE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1018 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	1019 // 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	1020 // memory)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1021 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1022 buffer = smallbuf;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1023 bufsize = SMALLBUFSIZE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1024 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1025 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1026 bufsize = WRITEBUFSIZE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1027
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1028 // 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	1029 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1030 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	1031 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	1032 perm = -1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1033 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	1034 newfile = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1035 else
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 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	1038 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	1039 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1040 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	1041 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1042 errnum = (char_u *)"E502: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1043 errmsg = (char_u *)_("is a directory");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1044 goto fail;
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 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	1047 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1048 errnum = (char_u *)"E503: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1049 errmsg = (char_u *)_("is not a file or writable device");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1050 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1051 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1052 // 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	1053 // 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	1054 device = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1055 newfile = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1056 perm = -1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1057 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1058 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1059 #else // !UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1060 // 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	1061 c = mch_nodetype(fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1062 if (c == NODE_OTHER)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1063 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1064 errnum = (char_u *)"E503: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1065 errmsg = (char_u *)_("is not a file or writable device");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1066 goto fail;
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 if (c == NODE_WRITABLE)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1069 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1070 # if defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1071 // 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	1072 // 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	1073 if (!p_odev)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1074 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1075 errnum = (char_u *)"E796: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1076 errmsg = (char_u *)_("writing to device disabled with 'opendevice' option");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1077 goto fail;
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 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1080 device = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1081 newfile = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1082 perm = -1;
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 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1085 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1086 perm = mch_getperm(fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1087 if (perm < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1088 newfile = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1089 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	1090 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1091 errnum = (char_u *)"E502: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1092 errmsg = (char_u *)_("is a directory");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1093 goto fail;
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 if (overwriting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1096 (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	1097 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1098 #endif // !UNIX
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 if (!device && !newfile)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1101 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1102 // 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	1103 // 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	1104 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	1105
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1106 if (!forceit && file_readonly)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1107 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1108 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	1109 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1110 errnum = (char_u *)"E504: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1111 errmsg = (char_u *)_(err_readonly);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1112 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1113 else
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 errnum = (char_u *)"E505: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1116 errmsg = (char_u *)_("is read-only (add ! to override)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1117 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1118 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1119 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1120
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1121 // 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	1122 if (overwriting)
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 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	1125 if (retval == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1126 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1127 }
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 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1131 // 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	1132 if (!newfile)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1133 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	1134 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1135
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1136 // 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	1137 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	1138 #ifdef FEAT_WILDIGN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1139 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	1140 dobackup = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1141 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1142
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1143 // 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	1144 // 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	1145 // abort it.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1146 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	1147 got_int = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1148
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1149 // 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	1150 buf->b_saving = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1151
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1152 // 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	1153 // '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	1154 // 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	1155 //
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1156 // 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	1157 // 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	1158 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	1159 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1160 #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	1161 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1162 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1163
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1164 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	1165 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1166 #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	1167 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	1168 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1169 int i;
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 # ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1172 // 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	1173 // - 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	1174 // - 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	1175 // - 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	1176 // - 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	1177 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	1178 \|\| 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	1179 \|\| 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	1180 \|\| 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	1181 # ifndef HAVE_FCHOWN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1182 \|\| 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	1183 \|\| 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	1184 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1185 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1186 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1187 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1188 # else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1189 # ifdef MSWIN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1190 // 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	1191 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	1192 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1193 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1194 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1195 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1196 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1197 // 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	1198 // 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	1199 // 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	1200 // arbitrary numbers).
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1201 STRCPY(IObuff, fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1202 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	1203 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1204 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	1205 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	1206 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1207 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1208 fd = mch_open((char *)IObuff,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1209 O_CREAT\|O_WRONLY\|O_EXCL\|O_NOFOLLOW, perm);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1210 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	1211 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1212 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1213 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1214 # ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1215 # ifdef HAVE_FCHOWN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1216 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	1217 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1218 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	1219 \|\| 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	1220 \|\| 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	1221 \|\| (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	1222 backup_copy = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1223 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1224 // 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	1225 // 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	1226 close(fd);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1227 mch_remove(IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1228 # ifdef MSWIN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1229 // 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	1230 // 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	1231 // second.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1232 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1233 int try;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1234
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1235 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	1236 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1237 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	1238 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1239 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	1240 mch_remove(IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1241 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1242 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1243 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1244 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1245 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1246 }
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 // 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	1249 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	1250 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1251 # ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1252 int lstat_res;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1253
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1254 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	1255
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1256 // Symlinks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1257 if ((bkc & BKC_BREAKSYMLINK)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1258 && lstat_res == 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1259 && 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	1260 backup_copy = FALSE;
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 // Hardlinks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1263 if ((bkc & BKC_BREAKHARDLINK)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1264 && 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	1265 && (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	1266 backup_copy = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1267 # else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1268 # if defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1269 // Symlinks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1270 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	1271 backup_copy = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1272
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1273 // Hardlinks.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1274 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	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 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1277 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1278 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1279
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1280 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1281
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1282 // 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	1283 if (*p_bex == NUL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1284 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	1285 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1286 backup_ext = p_bex;
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 if (backup_copy
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1289 && (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	1290 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1291 int bfd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1292 char_u copybuf, wp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1293 int some_error = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1294 stat_T st_new;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1295 char_u *dirp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1296 char_u *rootname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1297 #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	1298 char_u *p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1299 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1300 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1301 int did_set_shortname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1302 mode_t umask_save;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1303 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1304
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1305 copybuf = alloc(WRITEBUFSIZE + 1);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1306 if (copybuf == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1307 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1308 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	1309 goto nobackup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1310 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1311
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1312 // 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	1313 //
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1314 // 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	1315 // 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	1316 // - 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	1317 // - 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	1318 // - 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	1319 //
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1320 // 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	1321 // 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	1322 dirp = p_bdir;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1323 while (*dirp)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1324 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1325 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1326 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	1327 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	1328 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	1329 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1330
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1331 // 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	1332 (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	1333
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1334 #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	1335 p = copybuf + STRLEN(copybuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1336 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	1337 // 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	1338 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	1339 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1340 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	1341 vim_free(p);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1342 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1343 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1344 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	1345 if (rootname == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1346 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1347 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	1348 goto nobackup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1349 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1350
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1351 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1352 did_set_shortname = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1353 #endif
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 // 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	1356 for (;;)
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 // 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	1359 if (backup == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1360 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	1361 rootname, backup_ext, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1362 if (backup == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1363 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1364 vim_free(rootname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1365 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	1366 goto nobackup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1367 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1368
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1369 // 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	1370 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	1371 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1372 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1373 // 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	1374 // 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	1375 // 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	1376 // 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	1377 // 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	1378 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	1379 && 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	1380 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1381 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	1382 // 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	1383 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	1384 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1385 buf->b_shortname = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1386 did_set_shortname = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1387 continue;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1388 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1389 // 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	1390 if (did_set_shortname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1391 buf->b_shortname = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1392 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1393 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1394 #endif
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 // 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	1397 // 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	1398 // 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	1399 if (!p_bk)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1400 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1401 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	1402 - STRLEN(backup_ext);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1403 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	1404 wp = backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1405 *wp = 'z';
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1406 while (*wp > 'a'
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1407 && 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	1408 --*wp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1409 // 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	1410 if (*wp == 'a')
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1411 VIM_CLEAR(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1412 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1413 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1414 break;
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 vim_free(rootname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1417
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1418 // 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	1419 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1420 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1421 // 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	1422 mch_remove(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1423 // 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	1424 // 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	1425 // 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	1426 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1427 umask_save = umask(0);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1428 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1429 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	1430 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	1431 perm & 0777);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1432 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1433 (void)umask(umask_save);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1434 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1435 if (bfd < 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1436 VIM_CLEAR(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1437 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1438 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1439 // 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	1440 // 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	1441 // above.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1442 #ifndef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1443 (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	1444 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1445 // 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	1446 // 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	1447 // 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	1448 // others.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1449 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	1450 # 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	1451 && 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	1452 # endif
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 mch_setperm(backup,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1455 (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	1456 # 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	1457 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	1458 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1459 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1460
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1461 // copy the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1462 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	1463 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	1464 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	1465 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	1466 WRITEBUFSIZE)) > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1467 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1468 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	1469 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1470 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1471 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1472 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1473 ui_breakcheck();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1474 if (got_int)
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 errmsg = (char_u *)_(e_interr);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1477 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1478 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1479 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1480
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1481 if (close(bfd) < 0 && errmsg == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1482 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1483 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	1484 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1485 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1486 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	1487 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1488 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1489 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	1490 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1491 #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	1492 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	1493 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1494 break;
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 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1497 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1498 nobackup:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1499 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	1500 vim_free(copybuf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1501
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1502 if (backup == NULL && errmsg == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1503 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1504 // 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	1505 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	1506 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1507 retval = FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1508 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1509 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1510 errmsg = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1511 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1512 else
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 char_u *dirp;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1515 char_u *p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1516 char_u *rootname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1517
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1518 // 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	1519
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1520 // 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	1521 // 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	1522 // 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	1523 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	1524 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1525 errnum = (char_u *)"E504: ";
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1526 errmsg = (char_u *)_(err_readonly);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1527 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1528 }
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 // 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	1531 // 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	1532 // that works is used.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1533 dirp = p_bdir;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1534 while (*dirp)
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 // 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	1537 (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	1538
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1539 #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	1540 p = IObuff + STRLEN(IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1541 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	1542 // 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	1543 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	1544 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1545 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	1546 vim_free(p);
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 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1549 if (backup == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1550 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1551 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	1552 if (rootname == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1553 backup = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1554 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1555 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1556 backup = buf_modname(
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1557 (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	1558 rootname, backup_ext, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1559 vim_free(rootname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1560 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1561 }
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 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1564 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1565 // 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	1566 // 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	1567 // 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	1568 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	1569 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1570 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	1571 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	1572 p = backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1573 *p = 'z';
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1574 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	1575 --*p;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1576 // 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	1577 if (*p == 'a')
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1578 VIM_CLEAR(backup);
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 // 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	1584 // 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	1585 // 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	1586 // '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	1587
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1588 // 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	1589 // works, quit here.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1590 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	1591 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1592
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1593 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	1594 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1595 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1596 if (backup == NULL && !forceit)
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 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1599 goto fail;
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 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1602 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1603
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1604 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1605 // 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	1606 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	1607 && 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	1608 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1609 perm \|= 0200;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1610 (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	1611 made_writable = TRUE;
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 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1614
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1615 // 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	1616 // 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	1617 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	1618 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1619 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	1620 #ifdef FEAT_TITLE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1621 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	1622 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1623 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	1624 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1625
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1626 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	1627 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	1628 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	1629 start = end + 1;
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 // 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	1632 // 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	1633 // 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	1634 // the original file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1635 // 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	1636 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	1637 && !(exiting && backup != NULL))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1638 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1639 ml_preserve(buf, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1640 if (got_int)
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 errmsg = (char_u *)_(e_interr);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1643 goto restore_backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1644 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1645 }
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 #ifdef VMS
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1648 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	1649 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1650 // 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	1651 // multi-byte conversion.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1652 wfname = fname;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1653
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1654 // 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	1655 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	1656 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1657 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	1658 fenc = enc_canonize(fenc);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1659 fenc_tofree = fenc;
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 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1662 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	1663
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1664 // 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	1665 converted = need_conversion(fenc);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1666
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1667 // 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	1668 // 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	1669 // 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	1670 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	1671 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1672 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	1673 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	1674 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1675 // 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	1676 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	1677 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	1678 else // FIO_UCS4
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1679 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	1680 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	1681 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	1682 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1683 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1684 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1685
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1686 #ifdef MSWIN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1687 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	1688 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1689 // 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	1690 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	1691 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	1692 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	1693 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1694 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1695 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1696
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1697 #ifdef MACOS_CONVERT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1698 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	1699 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1700 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	1701 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	1702 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	1703 end = 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 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1706
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1707 #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	1708 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	1709 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1710 # ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1711 // 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	1712 // internally.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1713 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	1714 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	1715 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	1716 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1717 // 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	1718 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	1719 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	1720 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	1721 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1722 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	1723 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1724 # ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1725 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1726 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1727 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1728
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1729 # ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1730 // 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	1731 // 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	1732 // overwrite the original file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1733 if (*p_ccv != NUL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1734 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1735 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	1736 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	1737 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1738 errmsg = (char_u *)_("E214: Can't find temp file for writing");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1739 goto restore_backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1740 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1741 }
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 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1744 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1745 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	1746 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1747 && 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	1748 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1749 # ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1750 && wfname == fname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1751 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1752 )
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1753 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1754 if (!forceit)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1755 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1756 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1757 goto restore_backup;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1758 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1759 notconverted = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1760 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1761
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1762 // 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	1763 // 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	1764 // 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	1765 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	1766 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1767 // 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	1768 // - there is no conversion
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1769 // - 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	1770 // failure.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1771 if (!converted \|\| dobackup)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1772 checking_conversion = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1773
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1774 if (checking_conversion)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1775 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1776 // 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	1777 fd = -1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1778 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	1779 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1780 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1781 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1782 #ifdef HAVE_FTRUNCATE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1783 # 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	1784 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1785 # 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	1786 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1787 // 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	1788 // 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	1789 // 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	1790 // 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	1791 // 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	1792 // 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	1793 // 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	1794 // FALSE.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1795 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	1796 ? (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	1797 : (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	1798 , 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	1799 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1800 // 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	1801 // 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	1802 // 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	1803 if (errmsg == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1804 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1805 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1806 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1807
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1808 // 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	1809 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	1810 \|\| (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	1811 && (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	1812 \|\| 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	1813 errmsg = (char_u *)_("E166: Can't open linked file for writing");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1814 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1815 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1816 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1817 errmsg = (char_u *)_("E212: Can't open file for writing");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1818 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	1819 && perm >= 0)
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 // 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	1823 // writable after all
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1824 if (!(perm & 0200))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1825 made_writable = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1826 perm \|= 0200;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1827 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	1828 \|\| 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	1829 perm &= 0777;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1830 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1831 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	1832 mch_remove(wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1833 continue;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1834 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1835 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1836 }
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 restore_backup:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1839 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1840 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1841
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1842 // 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	1843 // 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	1844 // 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	1845 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	1846 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1847 if (backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1848 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1849 // 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	1850 // 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	1851 // 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	1852 // 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	1853
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1854 // 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	1855 // place
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1856 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	1857 vim_rename(backup, fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1858 // 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	1859 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	1860 mch_remove(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1861 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1862 else
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 // 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	1865 vim_rename(backup, fname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1866 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1867 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1868
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1869 // 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	1870 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	1871 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1872 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1873
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1874 if (wfname != fname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1875 vim_free(wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1876 goto fail;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1877 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1878 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	1879
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1880 #if defined(UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1881 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1882 stat_T st;
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 // 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	1885 // any changes.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1886 if (overwriting
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1887 && (!dobackup \|\| backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1888 && fname == wfname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1889 && perm >= 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1890 && 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	1891 && 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	1892 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1893 close(fd);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1894 errmsg = (char_u *)_("E949: File changed while writing");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1895 goto fail;
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 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1898 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1899 #ifdef HAVE_FTRUNCATE
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1900 if (!append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1901 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	1902 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1903
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1904 #if defined(MSWIN)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1905 if (backup != NULL && overwriting && !append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1906 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1907 if (backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1908 (void)mch_copy_file_attribute(wfname, backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1909 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1910 (void)mch_copy_file_attribute(backup, wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1911 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1912
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1913 if (!overwriting && !append)
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 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	1916 (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	1917 // Should copy resource fork
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1918 }
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 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1922 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	1923 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1924 char_u *header;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1925 int header_len;
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 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	1928 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	1929 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	1930 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	1931 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1932 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1933 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1934 // 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	1935 // 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	1936 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	1937 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	1938 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	1939 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	1940 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1941 wb_flags \|= FIO_ENCRYPTED;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1942 vim_free(header);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1943 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1944 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1945 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1946 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1947 errmsg = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1948
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1949 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	1950 nchars = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1951
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1952 // 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	1953 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	1954 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	1955 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1956 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	1957
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1958 // 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	1959 // 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	1960 // 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	1961 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	1962 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1963 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	1964 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	1965 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1966 // 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	1967 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	1968 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	1969 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1970 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1971 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	1972 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1973 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1974 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	1975
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1976 #ifdef FEAT_PERSISTENT_UNDO
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1977 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	1978 && overwriting
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1979 && !append
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1980 && !filtering
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1981 && reset_changed
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1982 && !checking_conversion);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1983 if (write_undo_file)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1984 // 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	1985 sha256_start(&sha_ctx);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1986 #endif
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 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	1989 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	1990 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	1991 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1992 len = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1993 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	1994 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1995 // 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	1996 // Keep it fast!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1997 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	1998 #ifdef FEAT_PERSISTENT_UNDO
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	1999 if (write_undo_file)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2000 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	2001 (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	2002 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2003 while ((c = *++ptr) != NUL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2004 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2005 if (c == NL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2006 *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	2007 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	2008 *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	2009 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2010 *s = c;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2011 ++s;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2012 if (++len != bufsize)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2013 continue;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2014 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	2015 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2016 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	2017 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2018 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2019 nchars += bufsize;
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 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	2023 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2024 // 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	2025 if (end == 0
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2026 \|\| (lnum == end
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2027 && (write_bin \|\| !buf->b_p_fixeol)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2028 && (lnum == buf->b_no_eol_lnum
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2029 \|\| (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	2030 && !buf->b_p_eol))))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2031 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2032 ++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	2033 no_eol = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2034 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2035 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2036 if (fileformat == EOL_UNIX)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2037 *s++ = NL;
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 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2040 *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	2041 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	2042 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2043 if (++len == bufsize)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2044 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2045 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	2046 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2047 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	2048 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2049 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2050 nchars += bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2051 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2052 len = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2053 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2054 *s++ = NL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2055 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2056 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2057 if (++len == bufsize && end)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2058 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2059 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	2060 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2061 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	2062 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2063 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2064 nchars += bufsize;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2065 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2066 len = 0;
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 ui_breakcheck();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2069 if (got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2070 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2071 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	2072 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2073 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2074 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2075 #ifdef VMS
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2076 // 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	2077 // 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	2078 // This is much slower!
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2079 // 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	2080 // 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	2081 // 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	2082 // With other RMS structures it works perfect without this fix.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2083 if (buf->b_fab_rfm == FAB$C_VFC
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2084 \|\| ((buf->b_fab_rat & (FAB$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	2085 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2086 int b2write;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2087
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2088 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	2089 ? MIN(4096, bufsize)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2090 : 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	2091
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2092 b2write = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2093 while (b2write > 0)
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 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	2096 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	2097 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2098 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2099 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2100 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2101 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	2102 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2103 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	2104 nchars += len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2105 s = buffer;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2106 len = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2107 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2108 #endif
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 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	2111 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2112 write_info.bw_len = len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2113 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	2114 end = 0; // write error
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2115 nchars += len;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2116 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2117
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2118 // 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	2119 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	2120 break;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2121
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2122 // 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	2123 // really write the buffer.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2124 }
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 // 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	2127 // encountered.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2128 if (!checking_conversion)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2129 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2130 #if defined(UNIX) && defined(HAVE_FSYNC)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2131 // On many journalling file systems there is a bug that causes both the
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2132 // 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	2133 // 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	2134 // 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	2135 // 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	2136 // 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	2137 // 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	2138 // 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	2139 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	2140 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2141 errmsg = (char_u *)_(e_fsync);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2142 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2143 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2144 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2145
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2146 #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	2147 // 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	2148 if (!backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2149 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	2150 #endif
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 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2153 // 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	2154 // 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	2155 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	2156 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2157 # ifdef HAVE_FCHOWN
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2158 stat_T st;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2159
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2160 // 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	2161 // permission or ACL stuff.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2162 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	2163 \|\| 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	2164 \|\| 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	2165 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2166 // 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	2167 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	2168 // 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	2169 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	2170 perm &= ~070;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2171 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2172 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2173 buf_setino(buf);
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 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	2176 // 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	2177 buf_setino(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2178 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2179
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2180 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2181 if (made_writable)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2182 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	2183 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2184 #ifdef HAVE_FCHMOD
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2185 // 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	2186 if (perm >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2187 (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	2188 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2189 if (close(fd) != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2190 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2191 errmsg = (char_u *)_("E512: Close failed");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2192 end = 0;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2193 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2194
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2195 #ifndef HAVE_FCHMOD
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2196 // 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	2197 if (perm >= 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2198 (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	2199 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2200 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2201 // 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	2202 // 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	2203 // 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	2204 // 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	2205 // 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	2206 // 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	2207 # 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	2208 if (!backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2209 # endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2210 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	2211 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2212 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2213 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	2214 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2215 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	2216 buf->b_cryptstate = NULL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2217 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2218 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2219
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2220 #if defined(FEAT_EVAL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2221 if (wfname != fname)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2222 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2223 // 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	2224 // 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	2225 if (end != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2226 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2227 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	2228 fenc, wfname, fname) == FAIL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2229 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2230 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	2231 end = 0;
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 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2234 mch_remove(wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2235 vim_free(wfname);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2236 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2237 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2238 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2239
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2240 if (end == 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2241 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2242 // Error encountered.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2243 if (errmsg == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2244 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2245 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	2246 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2247 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	2248 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2249 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2250 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2251 errmsg_allocated = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2252 errmsg = alloc(300);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2253 vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"),
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2254 (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	2255 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2256 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2257 else if (got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2258 errmsg = (char_u *)_(e_interr);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2259 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2260 errmsg = (char_u *)_("E514: write error (file system full?)");
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2261 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2262
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2263 // 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	2264 // 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	2265 // 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	2266 // second time.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2267 // 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	2268 // 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	2269 // 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	2270 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2271 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2272 if (backup_copy)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2273 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2274 // 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	2275 // 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	2276 if (got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2277 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2278 msg(_(e_interr));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2279 out_flush();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2280 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2281 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	2282 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2283 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	2284 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	2285 perm & 0777)) >= 0)
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 // copy the file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2288 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	2289 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	2290 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	2291 SMALLBUFSIZE)) > 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2292 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	2293 break;
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 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	2296 && 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	2297 end = 1; // success
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2298 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2299 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	2300 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2301 }
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 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	2305 end = 1;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2306 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2307 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2308 goto fail;
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
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2311 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	2312 --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	2313
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2314 #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	2315 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	2316 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2317 if (!filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2318 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2319 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	2320 c = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2321 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	2322 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2323 STRCAT(IObuff, _(" CONVERSION ERROR"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2324 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2325 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	2326 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	2327 (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	2328 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2329 else if (notconverted)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2330 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2331 STRCAT(IObuff, _("[NOT converted]"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2332 c = TRUE;
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 else if (converted)
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 STRCAT(IObuff, _("[converted]"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2337 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2338 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2339 if (device)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2340 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2341 STRCAT(IObuff, _("[Device]"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2342 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2343 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2344 else if (newfile)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2345 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2346 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2347 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2348 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2349 if (no_eol)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2350 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2351 msg_add_eol();
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2352 c = TRUE;
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 // 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	2355 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	2356 c = TRUE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2357 #ifdef FEAT_CRYPT
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2358 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	2359 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2360 crypt_append_msg(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2361 c = TRUE;
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 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2364 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	2365 if (!shortmess(SHM_WRITE))
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 (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2368 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	2369 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2370 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	2371 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2372
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2373 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	2374 }
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 // 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	2377 // 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	2378 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	2379 && !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	2380 && (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	2381 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2382 unchanged(buf, TRUE, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2383 // b:changedtick is may be incremented in unchanged() but that
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2384 // should not trigger a TextChanged event.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2385 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	2386 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	2387 u_unchanged(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2388 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	2389 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2390
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2391 // 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	2392 // 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	2393 if (overwriting)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2394 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2395 ml_timestamp(buf);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2396 if (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2397 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	2398 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2399 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	2400 }
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 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	2403 // 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	2404 if (*p_pm && dobackup)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2405 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2406 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	2407 fname, p_pm, FALSE);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2408
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2409 if (backup != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2410 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2411 stat_T st;
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 // 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	2414 // 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	2415 if (org == NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2416 emsg(_("E205: Patchmode: can't save original file"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2417 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	2418 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2419 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	2420 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	2421 #ifdef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2422 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	2423 #endif
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 // 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	2427 // created.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2428 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2429 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2430 int empty_fd;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2431
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2432 if (org == NULL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2433 \|\| (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	2434 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	2435 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	2436 emsg(_("E206: patchmode: can't touch empty original file"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2437 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2438 close(empty_fd);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2439 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2440 if (org != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2441 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2442 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	2443 vim_free(org);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2444 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2445 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2446
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2447 // 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	2448 // conversion error.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2449 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	2450 && mch_remove(backup) != 0)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2451 emsg(_("E207: Can't delete backup file"));
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2452
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2453 goto nofail;
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 // 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	2456 fail:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2457 --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	2458 nofail:
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2459
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2460 // 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	2461 buf->b_saving = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2462
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2463 vim_free(backup);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2464 if (buffer != smallbuf)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2465 vim_free(buffer);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2466 vim_free(fenc_tofree);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2467 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	2468 #ifdef USE_ICONV
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2469 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	2470 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2471 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	2472 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	2473 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2474 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2475 #ifdef HAVE_ACL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2476 mch_free_acl(acl);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2477 #endif
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 (errmsg != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2480 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2481 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	2482
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2483 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	2484 msg_add_fname(buf,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2485 #ifndef UNIX
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2486 sfname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2487 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2488 fname
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2489 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2490 ); // 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	2491 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	2492 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	2493 // 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	2494 // 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	2495 if (errnum != NULL)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2496 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2497 STRMOVE(IObuff + numlen, IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2498 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	2499 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2500 STRCAT(IObuff, errmsg);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2501 emsg((char *)IObuff);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2502 if (errmsg_allocated)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2503 vim_free(errmsg);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2504
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2505 retval = FAIL;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2506 if (end == 0)
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 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	2509 attr \| MSG_HIST);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2510 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	2511 attr \| MSG_HIST);
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 // 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	2514 // prompt when writing again.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2515 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	2516 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2517 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	2518 buf->b_mtime_read = buf->b_mtime;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2519 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2520 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2521 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2522 msg_scroll = msg_save;
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 #ifdef FEAT_PERSISTENT_UNDO
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2525 // 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	2526 // file.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2527 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	2528 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2529 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	2530
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2531 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	2532 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	2533 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2534 #endif
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 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2537 if (!should_abort(retval))
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2538 #else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2539 if (!got_int)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2540 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2541 {
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2542 aco_save_T aco;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2543
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2544 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	2545
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2546 // Apply POST autocommands.
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2547 // 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	2548 aucmd_prepbuf(&aco, buf);
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 if (append)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2551 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2552 FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2553 else if (filtering)
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2554 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2555 FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2556 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	2557 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2558 FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2559 else
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2560 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname,
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2561 FALSE, curbuf, eap);
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2562
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2563 // 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	2564 aucmd_restbuf(&aco);
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 #ifdef FEAT_EVAL
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2567 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	2568 retval = FALSE;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2569 #endif
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2570 }
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2571
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2572 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	2573
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2574 return retval;
e2be5a6485f5 patch 8.1.2094: the fileio.c file is too big Bram Moolenaar <Bram@vim.org> parents: diff changeset	2575 }

Mercurial > vim

annotate src/bufwrite.c @ 18621:a9bfdc5ea1ec v8.1.2303