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7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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11 * fileio.c: read from and write to a file
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12 */
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13
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14 #if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64)
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15 # include <io.h> /* for lseek(), must be before vim.h */
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16 #endif
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17
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18 #if defined __EMX__
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19 # include <io.h> /* for mktemp(), CJW 1997-12-03 */
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20 #endif
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21
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22 #include "vim.h"
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23
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24 #ifdef HAVE_FCNTL_H
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25 # include <fcntl.h>
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26 #endif
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27
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28 #ifdef __TANDEM
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29 # include <limits.h> /* for SSIZE_MAX */
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30 #endif
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31
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32 #if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
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33 # include <utime.h> /* for struct utimbuf */
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34 #endif
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35
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36 #define BUFSIZE 8192 /* size of normal write buffer */
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37 #define SMBUFSIZE 256 /* size of emergency write buffer */
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38
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39 #ifdef FEAT_CRYPT
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40 # define CRYPT_MAGIC "VimCrypt~01!" /* "01" is the version nr */
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41 # define CRYPT_MAGIC_LEN 12 /* must be multiple of 4! */
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42 #endif
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43
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44 /* Is there any system that doesn't have access()? */
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45 #ifndef MACOS_CLASSIC /* Not available on MacOS 9 */
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46 # define USE_MCH_ACCESS
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47 #endif
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48
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49 #ifdef FEAT_MBYTE
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50 static char_u *next_fenc __ARGS((char_u **pp));
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51 # ifdef FEAT_EVAL
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52 static char_u *readfile_charconvert __ARGS((char_u *fname, char_u *fenc, int *fdp));
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53 # endif
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54 #endif
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55 #ifdef FEAT_VIMINFO
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56 static void check_marks_read __ARGS((void));
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57 #endif
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58 #ifdef FEAT_CRYPT
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59 static char_u *check_for_cryptkey __ARGS((char_u *cryptkey, char_u *ptr, long *sizep, long *filesizep, int newfile));
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60 #endif
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61 #ifdef UNIX
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62 static void set_file_time __ARGS((char_u *fname, time_t atime, time_t mtime));
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63 #endif
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64 static void msg_add_fname __ARGS((buf_T *, char_u *));
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65 static int msg_add_fileformat __ARGS((int eol_type));
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66 static void msg_add_lines __ARGS((int, long, long));
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67 static void msg_add_eol __ARGS((void));
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68 static int check_mtime __ARGS((buf_T *buf, struct stat *s));
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69 static int time_differs __ARGS((long t1, long t2));
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70 #ifdef FEAT_AUTOCMD
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71 static int apply_autocmds_exarg __ARGS((EVENT_T event, char_u *fname, char_u *fname_io, int force, buf_T *buf, exarg_T *eap));
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72 #endif
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73
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74 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE)
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75 # define HAS_BW_FLAGS
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76 # define FIO_LATIN1 0x01 /* convert Latin1 */
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77 # define FIO_UTF8 0x02 /* convert UTF-8 */
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78 # define FIO_UCS2 0x04 /* convert UCS-2 */
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79 # define FIO_UCS4 0x08 /* convert UCS-4 */
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80 # define FIO_UTF16 0x10 /* convert UTF-16 */
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81 # ifdef WIN3264
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82 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */
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83 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */
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84 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */
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85 # endif
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86 # ifdef MACOS_X
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87 # define FIO_MACROMAN 0x20 /* convert MacRoman */
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88 # endif
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89 # define FIO_ENDIAN_L 0x80 /* little endian */
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90 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */
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91 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */
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92 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */
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93 # define FIO_ALL -1 /* allow all formats */
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94 #endif
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95
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96 /* When converting, a read() or write() may leave some bytes to be converted
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97 * for the next call. The value is guessed... */
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98 #define CONV_RESTLEN 30
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99
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100 /* We have to guess how much a sequence of bytes may expand when converting
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101 * with iconv() to be able to allocate a buffer. */
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102 #define ICONV_MULT 8
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103
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104 /*
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105 * Structure to pass arguments from buf_write() to buf_write_bytes().
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106 */
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107 struct bw_info
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108 {
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109 int bw_fd; /* file descriptor */
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110 char_u *bw_buf; /* buffer with data to be written */
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111 int bw_len; /* lenght of data */
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112 #ifdef HAS_BW_FLAGS
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113 int bw_flags; /* FIO_ flags */
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114 #endif
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115 #ifdef FEAT_MBYTE
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116 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */
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117 int bw_restlen; /* nr of bytes in bw_rest[] */
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118 int bw_first; /* first write call */
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119 char_u *bw_conv_buf; /* buffer for writing converted chars */
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120 int bw_conv_buflen; /* size of bw_conv_buf */
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121 int bw_conv_error; /* set for conversion error */
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122 # ifdef USE_ICONV
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123 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */
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124 # endif
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125 #endif
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126 };
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127
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128 static int buf_write_bytes __ARGS((struct bw_info *ip));
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129
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130 #ifdef FEAT_MBYTE
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131 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags));
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132 static int same_encoding __ARGS((char_u *a, char_u *b));
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133 static int get_fio_flags __ARGS((char_u *ptr));
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134 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags));
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135 static int make_bom __ARGS((char_u *buf, char_u *name));
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136 # ifdef WIN3264
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137 static int get_win_fio_flags __ARGS((char_u *ptr));
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138 # endif
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139 # ifdef MACOS_X
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140 static int get_mac_fio_flags __ARGS((char_u *ptr));
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141 # endif
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142 #endif
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143 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf));
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144
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145 static linenr_T write_no_eol_lnum = 0; /* non-zero lnum when last line of
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146 next binary write should not have
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147 an end-of-line */
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148
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149 void
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150 filemess(buf, name, s, attr)
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151 buf_T *buf;
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152 char_u *name;
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153 char_u *s;
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154 int attr;
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155 {
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156 int msg_scroll_save;
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157
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158 if (msg_silent != 0)
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159 return;
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160 msg_add_fname(buf, name); /* put file name in IObuff with quotes */
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161 /* If it's extremely long, truncate it. */
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162 if (STRLEN(IObuff) > IOSIZE - 80)
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163 IObuff[IOSIZE - 80] = NUL;
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164 STRCAT(IObuff, s);
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165 /*
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166 * For the first message may have to start a new line.
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167 * For further ones overwrite the previous one, reset msg_scroll before
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168 * calling filemess().
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169 */
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170 msg_scroll_save = msg_scroll;
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171 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0)
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172 msg_scroll = FALSE;
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173 if (!msg_scroll) /* wait a bit when overwriting an error msg */
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174 check_for_delay(FALSE);
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175 msg_start();
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176 msg_scroll = msg_scroll_save;
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177 msg_scrolled_ign = TRUE;
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178 /* may truncate the message to avoid a hit-return prompt */
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179 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr);
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180 msg_clr_eos();
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181 out_flush();
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182 msg_scrolled_ign = FALSE;
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183 }
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184
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185 /*
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186 * Read lines from file "fname" into the buffer after line "from".
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187 *
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188 * 1. We allocate blocks with lalloc, as big as possible.
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189 * 2. Each block is filled with characters from the file with a single read().
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190 * 3. The lines are inserted in the buffer with ml_append().
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191 *
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192 * (caller must check that fname != NULL, unless READ_STDIN is used)
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193 *
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194 * "lines_to_skip" is the number of lines that must be skipped
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195 * "lines_to_read" is the number of lines that are appended
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196 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM.
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197 *
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198 * flags:
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199 * READ_NEW starting to edit a new buffer
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200 * READ_FILTER reading filter output
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201 * READ_STDIN read from stdin instead of a file
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202 * READ_BUFFER read from curbuf instead of a file (converting after reading
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203 * stdin)
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204 * READ_DUMMY read into a dummy buffer (to check if file contents changed)
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205 *
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206 * return FAIL for failure, OK otherwise
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207 */
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208 int
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209 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags)
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210 char_u *fname;
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211 char_u *sfname;
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212 linenr_T from;
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213 linenr_T lines_to_skip;
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214 linenr_T lines_to_read;
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215 exarg_T *eap; /* can be NULL! */
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216 int flags;
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217 {
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218 int fd = 0;
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219 int newfile = (flags & READ_NEW);
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220 int check_readonly;
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221 int filtering = (flags & READ_FILTER);
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222 int read_stdin = (flags & READ_STDIN);
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223 int read_buffer = (flags & READ_BUFFER);
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224 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */
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225 colnr_T read_buf_col = 0; /* next char to read from this line */
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226 char_u c;
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227 linenr_T lnum = from;
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228 char_u *ptr = NULL; /* pointer into read buffer */
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229 char_u *buffer = NULL; /* read buffer */
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230 char_u *new_buffer = NULL; /* init to shut up gcc */
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231 char_u *line_start = NULL; /* init to shut up gcc */
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232 int wasempty; /* buffer was empty before reading */
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233 colnr_T len;
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234 long size = 0;
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235 char_u *p;
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236 long filesize = 0;
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237 int skip_read = FALSE;
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238 #ifdef FEAT_CRYPT
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239 char_u *cryptkey = NULL;
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240 #endif
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241 int split = 0; /* number of split lines */
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242 #define UNKNOWN 0x0fffffff /* file size is unknown */
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243 linenr_T linecnt;
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244 int error = FALSE; /* errors encountered */
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245 int ff_error = EOL_UNKNOWN; /* file format with errors */
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246 long linerest = 0; /* remaining chars in line */
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247 #ifdef UNIX
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248 int perm = 0;
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249 int swap_mode = -1; /* protection bits for swap file */
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250 #else
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251 int perm;
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252 #endif
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253 int fileformat = 0; /* end-of-line format */
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254 int keep_fileformat = FALSE;
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255 struct stat st;
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256 int file_readonly;
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257 linenr_T skip_count = 0;
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258 linenr_T read_count = 0;
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259 int msg_save = msg_scroll;
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260 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of
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261 * last read was missing the eol */
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262 int try_mac = (vim_strchr(p_ffs, 'm') != NULL);
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263 int try_dos = (vim_strchr(p_ffs, 'd') != NULL);
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264 int try_unix = (vim_strchr(p_ffs, 'x') != NULL);
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265 int file_rewind = FALSE;
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266 #ifdef FEAT_MBYTE
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267 int can_retry;
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268 int conv_error = FALSE; /* conversion error detected */
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269 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit
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270 in destination encoding */
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271 linenr_T illegal_byte = 0; /* line nr with illegal byte */
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272 char_u *tmpname = NULL; /* name of 'charconvert' output file */
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273 int fio_flags = 0;
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274 char_u *fenc; /* fileencoding to use */
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275 int fenc_alloced; /* fenc_next is in allocated memory */
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276 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */
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277 int advance_fenc = FALSE;
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278 long real_size = 0;
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279 # ifdef USE_ICONV
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280 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */
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281 # ifdef FEAT_EVAL
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282 int did_iconv = FALSE; /* TRUE when iconv() failed and trying
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283 'charconvert' next */
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284 # endif
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285 # endif
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286 int converted = FALSE; /* TRUE if conversion done */
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287 int notconverted = FALSE; /* TRUE if conversion wanted but it
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288 wasn't possible */
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289 char_u conv_rest[CONV_RESTLEN];
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290 int conv_restlen = 0; /* nr of bytes in conv_rest[] */
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291 #endif
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292
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293 #ifdef FEAT_AUTOCMD
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294 write_no_eol_lnum = 0; /* in case it was set by the previous read */
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295 #endif
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296
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297 /*
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298 * If there is no file name yet, use the one for the read file.
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299 * BF_NOTEDITED is set to reflect this.
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300 * Don't do this for a read from a filter.
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301 * Only do this when 'cpoptions' contains the 'f' flag.
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302 */
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303 if (curbuf->b_ffname == NULL
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304 && !filtering
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305 && fname != NULL
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306 && vim_strchr(p_cpo, CPO_FNAMER) != NULL
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307 && !(flags & READ_DUMMY))
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308 {
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309 if (setfname(curbuf, fname, sfname, FALSE) == OK)
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310 curbuf->b_flags |= BF_NOTEDITED;
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311 }
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312
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313 /*
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314 * For Unix: Use the short file name whenever possible.
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315 * Avoids problems with networks and when directory names are changed.
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316 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
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317 * another directory, which we don't detect.
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318 */
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319 if (sfname == NULL)
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320 sfname = fname;
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321 #if defined(UNIX) || defined(__EMX__)
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322 fname = sfname;
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323 #endif
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324
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325 #ifdef FEAT_AUTOCMD
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326 /*
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327 * The BufReadCmd and FileReadCmd events intercept the reading process by
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328 * executing the associated commands instead.
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329 */
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330 if (!filtering && !read_stdin && !read_buffer)
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331 {
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332 pos_T pos;
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333
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334 pos = curbuf->b_op_start;
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335
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336 /* Set '[ mark to the line above where the lines go (line 1 if zero). */
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337 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from);
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338 curbuf->b_op_start.col = 0;
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339
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340 if (newfile)
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341 {
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342 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname,
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343 FALSE, curbuf, eap))
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344 #ifdef FEAT_EVAL
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345 return aborting() ? FAIL : OK;
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346 #else
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347 return OK;
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348 #endif
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349 }
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350 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname,
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351 FALSE, NULL, eap))
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352 #ifdef FEAT_EVAL
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353 return aborting() ? FAIL : OK;
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354 #else
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355 return OK;
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356 #endif
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357
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358 curbuf->b_op_start = pos;
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359 }
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360 #endif
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361
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362 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0)
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363 msg_scroll = FALSE; /* overwrite previous file message */
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364 else
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365 msg_scroll = TRUE; /* don't overwrite previous file message */
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366
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367 /*
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368 * If the name ends in a path separator, we can't open it. Check here,
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369 * because reading the file may actually work, but then creating the swap
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370 * file may destroy it! Reported on MS-DOS and Win 95.
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371 * If the name is too long we might crash further on, quit here.
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372 */
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373 if (fname != NULL
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374 && *fname != NUL
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375 && (vim_ispathsep(*(fname + STRLEN(fname) - 1))
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|
|
376 || STRLEN(fname) >= MAXPATHL))
|
|
|
377 {
|
|
|
378 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0);
|
|
|
379 msg_end();
|
|
|
380 msg_scroll = msg_save;
|
|
|
381 return FAIL;
|
|
|
382 }
|
|
|
383
|
|
|
384 #ifdef UNIX
|
|
|
385 /*
|
|
|
386 * On Unix it is possible to read a directory, so we have to
|
|
|
387 * check for it before the mch_open().
|
|
|
388 */
|
|
|
389 if (!read_stdin && !read_buffer)
|
|
|
390 {
|
|
|
391 perm = mch_getperm(fname);
|
|
|
392 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */
|
|
|
393 # ifdef S_ISFIFO
|
|
|
394 && !S_ISFIFO(perm) /* ... or fifo */
|
|
|
395 # endif
|
|
|
396 # ifdef S_ISSOCK
|
|
|
397 && !S_ISSOCK(perm) /* ... or socket */
|
|
|
398 # endif
|
|
|
399 )
|
|
|
400 {
|
|
|
401 if (S_ISDIR(perm))
|
|
|
402 filemess(curbuf, fname, (char_u *)_("is a directory"), 0);
|
|
|
403 else
|
|
|
404 filemess(curbuf, fname, (char_u *)_("is not a file"), 0);
|
|
|
405 msg_end();
|
|
|
406 msg_scroll = msg_save;
|
|
|
407 return FAIL;
|
|
|
408 }
|
|
|
409 }
|
|
|
410 #endif
|
|
|
411
|
|
|
412 /* set default 'fileformat' */
|
|
|
413 if (newfile)
|
|
|
414 {
|
|
|
415 if (eap != NULL && eap->force_ff != 0)
|
|
|
416 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL);
|
|
|
417 else if (*p_ffs != NUL)
|
|
|
418 set_fileformat(default_fileformat(), OPT_LOCAL);
|
|
|
419 }
|
|
|
420
|
|
|
421 /* set or reset 'binary' */
|
|
|
422 if (eap != NULL && eap->force_bin != 0)
|
|
|
423 {
|
|
|
424 int oldval = curbuf->b_p_bin;
|
|
|
425
|
|
|
426 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN);
|
|
|
427 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL);
|
|
|
428 }
|
|
|
429
|
|
|
430 /*
|
|
|
431 * When opening a new file we take the readonly flag from the file.
|
|
|
432 * Default is r/w, can be set to r/o below.
|
|
|
433 * Don't reset it when in readonly mode
|
|
|
434 * Only set/reset b_p_ro when BF_CHECK_RO is set.
|
|
|
435 */
|
|
|
436 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO));
|
|
|
437 if (check_readonly && !readonlymode) /* default: set file not readonly */
|
|
|
438 curbuf->b_p_ro = FALSE;
|
|
|
439
|
|
|
440 if (newfile && !read_stdin && !read_buffer)
|
|
|
441 {
|
|
|
442 /* Remember time of file.
|
|
|
443 * For RISCOS, also remember the filetype.
|
|
|
444 */
|
|
|
445 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
446 {
|
|
|
447 buf_store_time(curbuf, &st, fname);
|
|
|
448 curbuf->b_mtime_read = curbuf->b_mtime;
|
|
|
449
|
|
|
450 #if defined(RISCOS) && defined(FEAT_OSFILETYPE)
|
|
|
451 /* Read the filetype into the buffer local filetype option. */
|
|
|
452 mch_read_filetype(fname);
|
|
|
453 #endif
|
|
|
454 #ifdef UNIX
|
|
|
455 /*
|
|
|
456 * Use the protection bits of the original file for the swap file.
|
|
|
457 * This makes it possible for others to read the name of the
|
|
|
458 * edited file from the swapfile, but only if they can read the
|
|
|
459 * edited file.
|
|
|
460 * Remove the "write" and "execute" bits for group and others
|
|
|
461 * (they must not write the swapfile).
|
|
|
462 * Add the "read" and "write" bits for the user, otherwise we may
|
|
|
463 * not be able to write to the file ourselves.
|
|
|
464 * Setting the bits is done below, after creating the swap file.
|
|
|
465 */
|
|
|
466 swap_mode = (st.st_mode & 0644) | 0600;
|
|
|
467 #endif
|
|
|
468 #ifdef FEAT_CW_EDITOR
|
|
|
469 /* Get the FSSpec on MacOS
|
|
|
470 * TODO: Update it properly when the buffer name changes
|
|
|
471 */
|
|
|
472 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec);
|
|
|
473 #endif
|
|
|
474 #ifdef VMS
|
|
|
475 curbuf->b_fab_rfm = st.st_fab_rfm;
|
|
|
476 #endif
|
|
|
477 }
|
|
|
478 else
|
|
|
479 {
|
|
|
480 curbuf->b_mtime = 0;
|
|
|
481 curbuf->b_mtime_read = 0;
|
|
|
482 curbuf->b_orig_size = 0;
|
|
|
483 curbuf->b_orig_mode = 0;
|
|
|
484 }
|
|
|
485
|
|
|
486 /* Reset the "new file" flag. It will be set again below when the
|
|
|
487 * file doesn't exist. */
|
|
|
488 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W);
|
|
|
489 }
|
|
|
490
|
|
|
491 /*
|
|
|
492 * for UNIX: check readonly with perm and mch_access()
|
|
|
493 * for RISCOS: same as Unix, otherwise file gets re-datestamped!
|
|
|
494 * for MSDOS and Amiga: check readonly by trying to open the file for writing
|
|
|
495 */
|
|
|
496 file_readonly = FALSE;
|
|
|
497 if (read_stdin)
|
|
|
498 {
|
|
|
499 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|
|
|
500 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */
|
|
|
501 setmode(0, O_BINARY);
|
|
|
502 #endif
|
|
|
503 }
|
|
|
504 else if (!read_buffer)
|
|
|
505 {
|
|
|
506 #ifdef USE_MCH_ACCESS
|
|
|
507 if (
|
|
|
508 # ifdef UNIX
|
|
|
509 !(perm & 0222) ||
|
|
|
510 # endif
|
|
|
511 mch_access((char *)fname, W_OK))
|
|
|
512 file_readonly = TRUE;
|
|
|
513 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
|
|
|
514 #else
|
|
|
515 if (!newfile
|
|
|
516 || readonlymode
|
|
|
517 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0)
|
|
|
518 {
|
|
|
519 file_readonly = TRUE;
|
|
|
520 /* try to open ro */
|
|
|
521 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
|
|
|
522 }
|
|
|
523 #endif
|
|
|
524 }
|
|
|
525
|
|
|
526 if (fd < 0) /* cannot open at all */
|
|
|
527 {
|
|
|
528 #ifndef UNIX
|
|
|
529 int isdir_f;
|
|
|
530 #endif
|
|
|
531 msg_scroll = msg_save;
|
|
|
532 #ifndef UNIX
|
|
|
533 /*
|
|
|
534 * On MSDOS and Amiga we can't open a directory, check here.
|
|
|
535 */
|
|
|
536 isdir_f = (mch_isdir(fname));
|
|
|
537 perm = mch_getperm(fname); /* check if the file exists */
|
|
|
538 if (isdir_f)
|
|
|
539 {
|
|
|
540 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0);
|
|
|
541 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
542 }
|
|
|
543 else
|
|
|
544 #endif
|
|
|
545 if (newfile)
|
|
|
546 {
|
|
|
547 if (perm < 0)
|
|
|
548 {
|
|
|
549 /*
|
|
|
550 * Set the 'new-file' flag, so that when the file has
|
|
|
551 * been created by someone else, a ":w" will complain.
|
|
|
552 */
|
|
|
553 curbuf->b_flags |= BF_NEW;
|
|
|
554
|
|
|
555 /* Create a swap file now, so that other Vims are warned
|
|
|
556 * that we are editing this file. Don't do this for a
|
|
|
557 * "nofile" or "nowrite" buffer type. */
|
|
|
558 #ifdef FEAT_QUICKFIX
|
|
|
559 if (!bt_dontwrite(curbuf))
|
|
|
560 #endif
|
|
|
561 check_need_swap(newfile);
|
|
|
562 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0);
|
|
|
563 #ifdef FEAT_VIMINFO
|
|
|
564 /* Even though this is a new file, it might have been
|
|
|
565 * edited before and deleted. Get the old marks. */
|
|
|
566 check_marks_read();
|
|
|
567 #endif
|
|
|
568 #ifdef FEAT_MBYTE
|
|
|
569 if (eap != NULL && eap->force_enc != 0)
|
|
|
570 {
|
|
|
571 /* set forced 'fileencoding' */
|
|
|
572 fenc = enc_canonize(eap->cmd + eap->force_enc);
|
|
|
573 if (fenc != NULL)
|
|
|
574 set_string_option_direct((char_u *)"fenc", -1,
|
|
|
575 fenc, OPT_FREE|OPT_LOCAL);
|
|
|
576 vim_free(fenc);
|
|
|
577 }
|
|
|
578 #endif
|
|
|
579 #ifdef FEAT_AUTOCMD
|
|
|
580 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname,
|
|
|
581 FALSE, curbuf, eap);
|
|
|
582 #endif
|
|
|
583 /* remember the current fileformat */
|
|
|
584 save_file_ff(curbuf);
|
|
|
585
|
|
|
586 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
|
|
|
587 if (aborting()) /* autocmds may abort script processing */
|
|
|
588 return FAIL;
|
|
|
589 #endif
|
|
|
590 return OK; /* a new file is not an error */
|
|
|
591 }
|
|
|
592 else
|
|
|
593 {
|
|
|
594 filemess(curbuf, sfname,
|
|
|
595 (char_u *)_("[Permission Denied]"), 0);
|
|
|
596 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
597 }
|
|
|
598 }
|
|
|
599
|
|
|
600 return FAIL;
|
|
|
601 }
|
|
|
602
|
|
|
603 /*
|
|
|
604 * Only set the 'ro' flag for readonly files the first time they are
|
|
|
605 * loaded. Help files always get readonly mode
|
|
|
606 */
|
|
|
607 if ((check_readonly && file_readonly) || curbuf->b_help)
|
|
|
608 curbuf->b_p_ro = TRUE;
|
|
|
609
|
|
|
610 if (newfile)
|
|
|
611 {
|
|
|
612 curbuf->b_p_eol = TRUE;
|
|
|
613 curbuf->b_start_eol = TRUE;
|
|
|
614 #ifdef FEAT_MBYTE
|
|
|
615 curbuf->b_p_bomb = FALSE;
|
|
|
616 #endif
|
|
|
617 }
|
|
|
618
|
|
|
619 /* Create a swap file now, so that other Vims are warned that we are
|
|
|
620 * editing this file.
|
|
|
621 * Don't do this for a "nofile" or "nowrite" buffer type. */
|
|
|
622 #ifdef FEAT_QUICKFIX
|
|
|
623 if (!bt_dontwrite(curbuf))
|
|
|
624 #endif
|
|
|
625 {
|
|
|
626 check_need_swap(newfile);
|
|
|
627 #ifdef UNIX
|
|
|
628 /* Set swap file protection bits after creating it. */
|
|
|
629 if (swap_mode > 0 && curbuf->b_ml.ml_mfp->mf_fname != NULL)
|
|
|
630 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode);
|
|
|
631 #endif
|
|
|
632 }
|
|
|
633
|
|
|
634 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
|
635 /* If "Quit" selected at ATTENTION dialog, don't load the file */
|
|
|
636 if (swap_exists_action == SEA_QUIT)
|
|
|
637 {
|
|
|
638 if (!read_buffer && !read_stdin)
|
|
|
639 close(fd);
|
|
|
640 return FAIL;
|
|
|
641 }
|
|
|
642 #endif
|
|
|
643
|
|
|
644 ++no_wait_return; /* don't wait for return yet */
|
|
|
645
|
|
|
646 /*
|
|
|
647 * Set '[ mark to the line above where the lines go (line 1 if zero).
|
|
|
648 */
|
|
|
649 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from);
|
|
|
650 curbuf->b_op_start.col = 0;
|
|
|
651
|
|
|
652 #ifdef FEAT_AUTOCMD
|
|
|
653 if (!read_buffer)
|
|
|
654 {
|
|
|
655 int m = msg_scroll;
|
|
|
656 int n = msg_scrolled;
|
|
|
657 buf_T *old_curbuf = curbuf;
|
|
|
658
|
|
|
659 /*
|
|
|
660 * The file must be closed again, the autocommands may want to change
|
|
|
661 * the file before reading it.
|
|
|
662 */
|
|
|
663 if (!read_stdin)
|
|
|
664 close(fd); /* ignore errors */
|
|
|
665
|
|
|
666 /*
|
|
|
667 * The output from the autocommands should not overwrite anything and
|
|
|
668 * should not be overwritten: Set msg_scroll, restore its value if no
|
|
|
669 * output was done.
|
|
|
670 */
|
|
|
671 msg_scroll = TRUE;
|
|
|
672 if (filtering)
|
|
|
673 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname,
|
|
|
674 FALSE, curbuf, eap);
|
|
|
675 else if (read_stdin)
|
|
|
676 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname,
|
|
|
677 FALSE, curbuf, eap);
|
|
|
678 else if (newfile)
|
|
|
679 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname,
|
|
|
680 FALSE, curbuf, eap);
|
|
|
681 else
|
|
|
682 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname,
|
|
|
683 FALSE, NULL, eap);
|
|
|
684 if (msg_scrolled == n)
|
|
|
685 msg_scroll = m;
|
|
|
686
|
|
|
687 #ifdef FEAT_EVAL
|
|
|
688 if (aborting()) /* autocmds may abort script processing */
|
|
|
689 {
|
|
|
690 --no_wait_return;
|
|
|
691 msg_scroll = msg_save;
|
|
|
692 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
693 return FAIL;
|
|
|
694 }
|
|
|
695 #endif
|
|
|
696 /*
|
|
|
697 * Don't allow the autocommands to change the current buffer.
|
|
|
698 * Try to re-open the file.
|
|
|
699 */
|
|
|
700 if (!read_stdin && (curbuf != old_curbuf
|
|
|
701 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0))
|
|
|
702 {
|
|
|
703 --no_wait_return;
|
|
|
704 msg_scroll = msg_save;
|
|
|
705 if (fd < 0)
|
|
|
706 EMSG(_("E200: *ReadPre autocommands made the file unreadable"));
|
|
|
707 else
|
|
|
708 EMSG(_("E201: *ReadPre autocommands must not change current buffer"));
|
|
|
709 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
710 return FAIL;
|
|
|
711 }
|
|
|
712 }
|
|
|
713 #endif /* FEAT_AUTOCMD */
|
|
|
714
|
|
|
715 /* Autocommands may add lines to the file, need to check if it is empty */
|
|
|
716 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY);
|
|
|
717
|
|
|
718 if (!recoverymode && !filtering && !(flags & READ_DUMMY))
|
|
|
719 {
|
|
|
720 /*
|
|
|
721 * Show the user that we are busy reading the input. Sometimes this
|
|
|
722 * may take a while. When reading from stdin another program may
|
|
|
723 * still be running, don't move the cursor to the last line, unless
|
|
|
724 * always using the GUI.
|
|
|
725 */
|
|
|
726 if (read_stdin)
|
|
|
727 {
|
|
|
728 #ifndef ALWAYS_USE_GUI
|
|
|
729 mch_msg(_("Vim: Reading from stdin...\n"));
|
|
|
730 #endif
|
|
|
731 #ifdef FEAT_GUI
|
|
|
732 /* Also write a message in the GUI window, if there is one. */
|
|
|
733 if (gui.in_use && !gui.dying && !gui.starting)
|
|
|
734 {
|
|
|
735 p = (char_u *)_("Reading from stdin...");
|
|
|
736 gui_write(p, (int)STRLEN(p));
|
|
|
737 }
|
|
|
738 #endif
|
|
|
739 }
|
|
|
740 else if (!read_buffer)
|
|
|
741 filemess(curbuf, sfname, (char_u *)"", 0);
|
|
|
742 }
|
|
|
743
|
|
|
744 msg_scroll = FALSE; /* overwrite the file message */
|
|
|
745
|
|
|
746 /*
|
|
|
747 * Set linecnt now, before the "retry" caused by a wrong guess for
|
|
|
748 * fileformat, and after the autocommands, which may change them.
|
|
|
749 */
|
|
|
750 linecnt = curbuf->b_ml.ml_line_count;
|
|
|
751
|
|
|
752 #ifdef FEAT_MBYTE
|
|
|
753 /*
|
|
|
754 * Decide which 'encoding' to use first.
|
|
|
755 */
|
|
|
756 if (eap != NULL && eap->force_enc != 0)
|
|
|
757 {
|
|
|
758 fenc = enc_canonize(eap->cmd + eap->force_enc);
|
|
|
759 fenc_alloced = TRUE;
|
|
|
760 }
|
|
|
761 else if (curbuf->b_p_bin)
|
|
|
762 {
|
|
|
763 fenc = (char_u *)""; /* binary: don't convert */
|
|
|
764 fenc_alloced = FALSE;
|
|
|
765 }
|
|
|
766 else if (curbuf->b_help)
|
|
|
767 {
|
|
|
768 char_u firstline[80];
|
|
|
769
|
|
|
770 /* Help files are either utf-8 or latin1. Try utf-8 first, if this
|
|
|
771 * fails it must be latin1.
|
|
|
772 * Always do this when 'encoding' is "utf-8". Otherwise only do
|
|
|
773 * this when needed to avoid [converted] remarks all the time.
|
|
|
774 * It is needed when the first line contains non-ASCII characters.
|
|
|
775 * That is only in *.??x files. */
|
|
|
776 fenc = (char_u *)"latin1";
|
|
|
777 c = enc_utf8;
|
|
|
778 if (!c && !read_stdin && TOLOWER_ASC(fname[STRLEN(fname) - 1]) == 'x')
|
|
|
779 {
|
|
|
780 /* Read the first line (and a bit more). Immediately rewind to
|
|
|
781 * the start of the file. If the read() fails "len" is -1. */
|
|
|
782 len = vim_read(fd, firstline, 80);
|
|
|
783 lseek(fd, (off_t)0L, SEEK_SET);
|
|
|
784 for (p = firstline; p < firstline + len; ++p)
|
|
|
785 if (*p >= 0x80)
|
|
|
786 {
|
|
|
787 c = TRUE;
|
|
|
788 break;
|
|
|
789 }
|
|
|
790 }
|
|
|
791
|
|
|
792 if (c)
|
|
|
793 {
|
|
|
794 fenc_next = fenc;
|
|
|
795 fenc = (char_u *)"utf-8";
|
|
|
796
|
|
|
797 /* When the file is utf-8 but a character doesn't fit in
|
|
|
798 * 'encoding' don't retry. In help text editing utf-8 bytes
|
|
|
799 * doesn't make sense. */
|
|
|
800 keep_dest_enc = TRUE;
|
|
|
801 }
|
|
|
802 fenc_alloced = FALSE;
|
|
|
803 }
|
|
|
804 else if (*p_fencs == NUL)
|
|
|
805 {
|
|
|
806 fenc = curbuf->b_p_fenc; /* use format from buffer */
|
|
|
807 fenc_alloced = FALSE;
|
|
|
808 }
|
|
|
809 else
|
|
|
810 {
|
|
|
811 fenc_next = p_fencs; /* try items in 'fileencodings' */
|
|
|
812 fenc = next_fenc(&fenc_next);
|
|
|
813 fenc_alloced = TRUE;
|
|
|
814 }
|
|
|
815 #endif
|
|
|
816
|
|
|
817 /*
|
|
|
818 * Jump back here to retry reading the file in different ways.
|
|
|
819 * Reasons to retry:
|
|
|
820 * - encoding conversion failed: try another one from "fenc_next"
|
|
|
821 * - BOM detected and fenc was set, need to setup conversion
|
|
|
822 * - "fileformat" check failed: try another
|
|
|
823 *
|
|
|
824 * Variables set for special retry actions:
|
|
|
825 * "file_rewind" Rewind the file to start reading it again.
|
|
|
826 * "advance_fenc" Advance "fenc" using "fenc_next".
|
|
|
827 * "skip_read" Re-use already read bytes (BOM detected).
|
|
|
828 * "did_iconv" iconv() conversion failed, try 'charconvert'.
|
|
|
829 * "keep_fileformat" Don't reset "fileformat".
|
|
|
830 *
|
|
|
831 * Other status indicators:
|
|
|
832 * "tmpname" When != NULL did conversion with 'charconvert'.
|
|
|
833 * Output file has to be deleted afterwards.
|
|
|
834 * "iconv_fd" When != -1 did conversion with iconv().
|
|
|
835 */
|
|
|
836 retry:
|
|
|
837
|
|
|
838 if (file_rewind)
|
|
|
839 {
|
|
|
840 if (read_buffer)
|
|
|
841 {
|
|
|
842 read_buf_lnum = 1;
|
|
|
843 read_buf_col = 0;
|
|
|
844 }
|
|
|
845 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0)
|
|
|
846 {
|
|
|
847 /* Can't rewind the file, give up. */
|
|
|
848 error = TRUE;
|
|
|
849 goto failed;
|
|
|
850 }
|
|
|
851 /* Delete the previously read lines. */
|
|
|
852 while (lnum > from)
|
|
|
853 ml_delete(lnum--, FALSE);
|
|
|
854 file_rewind = FALSE;
|
|
|
855 #ifdef FEAT_MBYTE
|
|
|
856 if (newfile)
|
|
|
857 curbuf->b_p_bomb = FALSE;
|
|
|
858 conv_error = FALSE;
|
|
|
859 #endif
|
|
|
860 }
|
|
|
861
|
|
|
862 /*
|
|
|
863 * When retrying with another "fenc" and the first time "fileformat"
|
|
|
864 * will be reset.
|
|
|
865 */
|
|
|
866 if (keep_fileformat)
|
|
|
867 keep_fileformat = FALSE;
|
|
|
868 else
|
|
|
869 {
|
|
|
870 if (eap != NULL && eap->force_ff != 0)
|
|
|
871 fileformat = get_fileformat_force(curbuf, eap);
|
|
|
872 else if (curbuf->b_p_bin)
|
|
|
873 fileformat = EOL_UNIX; /* binary: use Unix format */
|
|
|
874 else if (*p_ffs == NUL)
|
|
|
875 fileformat = get_fileformat(curbuf);/* use format from buffer */
|
|
|
876 else
|
|
|
877 fileformat = EOL_UNKNOWN; /* detect from file */
|
|
|
878 }
|
|
|
879
|
|
|
880 #ifdef FEAT_MBYTE
|
|
|
881 # ifdef USE_ICONV
|
|
|
882 if (iconv_fd != (iconv_t)-1)
|
|
|
883 {
|
|
|
884 /* aborted conversion with iconv(), close the descriptor */
|
|
|
885 iconv_close(iconv_fd);
|
|
|
886 iconv_fd = (iconv_t)-1;
|
|
|
887 }
|
|
|
888 # endif
|
|
|
889
|
|
|
890 if (advance_fenc)
|
|
|
891 {
|
|
|
892 /*
|
|
|
893 * Try the next entry in 'fileencodings'.
|
|
|
894 */
|
|
|
895 advance_fenc = FALSE;
|
|
|
896
|
|
|
897 if (eap != NULL && eap->force_enc != 0)
|
|
|
898 {
|
|
|
899 /* Conversion given with "++cc=" wasn't possible, read
|
|
|
900 * without conversion. */
|
|
|
901 notconverted = TRUE;
|
|
|
902 conv_error = FALSE;
|
|
|
903 if (fenc_alloced)
|
|
|
904 vim_free(fenc);
|
|
|
905 fenc = (char_u *)"";
|
|
|
906 fenc_alloced = FALSE;
|
|
|
907 }
|
|
|
908 else
|
|
|
909 {
|
|
|
910 if (fenc_alloced)
|
|
|
911 vim_free(fenc);
|
|
|
912 if (fenc_next != NULL)
|
|
|
913 {
|
|
|
914 fenc = next_fenc(&fenc_next);
|
|
|
915 fenc_alloced = (fenc_next != NULL);
|
|
|
916 }
|
|
|
917 else
|
|
|
918 {
|
|
|
919 fenc = (char_u *)"";
|
|
|
920 fenc_alloced = FALSE;
|
|
|
921 }
|
|
|
922 }
|
|
|
923 if (tmpname != NULL)
|
|
|
924 {
|
|
|
925 mch_remove(tmpname); /* delete converted file */
|
|
|
926 vim_free(tmpname);
|
|
|
927 tmpname = NULL;
|
|
|
928 }
|
|
|
929 }
|
|
|
930
|
|
|
931 /*
|
|
|
932 * Conversion is required when the encoding of the file is different
|
|
|
933 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4 (requires
|
|
|
934 * conversion to UTF-8).
|
|
|
935 */
|
|
|
936 fio_flags = 0;
|
|
|
937 converted = (*fenc != NUL && !same_encoding(p_enc, fenc));
|
|
|
938 if (converted || enc_unicode != 0)
|
|
|
939 {
|
|
|
940
|
|
|
941 /* "ucs-bom" means we need to check the first bytes of the file
|
|
|
942 * for a BOM. */
|
|
|
943 if (STRCMP(fenc, ENC_UCSBOM) == 0)
|
|
|
944 fio_flags = FIO_UCSBOM;
|
|
|
945
|
|
|
946 /*
|
|
|
947 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be
|
|
|
948 * done. This is handled below after read(). Prepare the
|
|
|
949 * fio_flags to avoid having to parse the string each time.
|
|
|
950 * Also check for Unicode to Latin1 conversion, because iconv()
|
|
|
951 * appears not to handle this correctly. This works just like
|
|
|
952 * conversion to UTF-8 except how the resulting character is put in
|
|
|
953 * the buffer.
|
|
|
954 */
|
|
|
955 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0)
|
|
|
956 fio_flags = get_fio_flags(fenc);
|
|
|
957
|
|
|
958 # ifdef WIN3264
|
|
|
959 /*
|
|
|
960 * Conversion from an MS-Windows codepage to UTF-8 or another codepage
|
|
|
961 * is handled with MultiByteToWideChar().
|
|
|
962 */
|
|
|
963 if (fio_flags == 0)
|
|
|
964 fio_flags = get_win_fio_flags(fenc);
|
|
|
965 # endif
|
|
|
966
|
|
|
967 # ifdef MACOS_X
|
|
|
968 /* Conversion from Apple MacRoman to latin1 or UTF-8 */
|
|
|
969 if (fio_flags == 0)
|
|
|
970 fio_flags = get_mac_fio_flags(fenc);
|
|
|
971 # endif
|
|
|
972
|
|
|
973 # ifdef USE_ICONV
|
|
|
974 /*
|
|
|
975 * Try using iconv() if we can't convert internally.
|
|
|
976 */
|
|
|
977 if (fio_flags == 0
|
|
|
978 # ifdef FEAT_EVAL
|
|
|
979 && !did_iconv
|
|
|
980 # endif
|
|
|
981 )
|
|
|
982 iconv_fd = (iconv_t)my_iconv_open(
|
|
|
983 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc);
|
|
|
984 # endif
|
|
|
985
|
|
|
986 # ifdef FEAT_EVAL
|
|
|
987 /*
|
|
|
988 * Use the 'charconvert' expression when conversion is required
|
|
|
989 * and we can't do it internally or with iconv().
|
|
|
990 */
|
|
|
991 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL
|
|
|
992 # ifdef USE_ICONV
|
|
|
993 && iconv_fd == (iconv_t)-1
|
|
|
994 # endif
|
|
|
995 )
|
|
|
996 {
|
|
|
997 # ifdef USE_ICONV
|
|
|
998 did_iconv = FALSE;
|
|
|
999 # endif
|
|
|
1000 /* Skip conversion when it's already done (retry for wrong
|
|
|
1001 * "fileformat"). */
|
|
|
1002 if (tmpname == NULL)
|
|
|
1003 {
|
|
|
1004 tmpname = readfile_charconvert(fname, fenc, &fd);
|
|
|
1005 if (tmpname == NULL)
|
|
|
1006 {
|
|
|
1007 /* Conversion failed. Try another one. */
|
|
|
1008 advance_fenc = TRUE;
|
|
|
1009 if (fd < 0)
|
|
|
1010 {
|
|
|
1011 /* Re-opening the original file failed! */
|
|
|
1012 EMSG(_("E202: Conversion made file unreadable!"));
|
|
|
1013 error = TRUE;
|
|
|
1014 goto failed;
|
|
|
1015 }
|
|
|
1016 goto retry;
|
|
|
1017 }
|
|
|
1018 }
|
|
|
1019 }
|
|
|
1020 else
|
|
|
1021 # endif
|
|
|
1022 {
|
|
|
1023 if (fio_flags == 0
|
|
|
1024 # ifdef USE_ICONV
|
|
|
1025 && iconv_fd == (iconv_t)-1
|
|
|
1026 # endif
|
|
|
1027 )
|
|
|
1028 {
|
|
|
1029 /* Conversion wanted but we can't.
|
|
|
1030 * Try the next conversion in 'fileencodings' */
|
|
|
1031 advance_fenc = TRUE;
|
|
|
1032 goto retry;
|
|
|
1033 }
|
|
|
1034 }
|
|
|
1035 }
|
|
|
1036
|
|
|
1037 /* Set can_retry when it's possible to rewind the file and try with
|
|
|
1038 * another "fenc" value. It's FALSE when no other "fenc" to try, reading
|
|
|
1039 * stdin or "fenc" was specified with "++enc=". */
|
|
|
1040 can_retry = (*fenc != NUL && !read_stdin
|
|
|
1041 && (eap == NULL || eap->force_enc == 0));
|
|
|
1042 #endif
|
|
|
1043
|
|
|
1044 if (!skip_read)
|
|
|
1045 {
|
|
|
1046 linerest = 0;
|
|
|
1047 filesize = 0;
|
|
|
1048 skip_count = lines_to_skip;
|
|
|
1049 read_count = lines_to_read;
|
|
|
1050 #ifdef FEAT_MBYTE
|
|
|
1051 conv_restlen = 0;
|
|
|
1052 #endif
|
|
|
1053 }
|
|
|
1054
|
|
|
1055 while (!error && !got_int)
|
|
|
1056 {
|
|
|
1057 /*
|
|
|
1058 * We allocate as much space for the file as we can get, plus
|
|
|
1059 * space for the old line plus room for one terminating NUL.
|
|
|
1060 * The amount is limited by the fact that read() only can read
|
|
|
1061 * upto max_unsigned characters (and other things).
|
|
|
1062 */
|
|
|
1063 #if SIZEOF_INT <= 2
|
|
|
1064 if (linerest >= 0x7ff0)
|
|
|
1065 {
|
|
|
1066 ++split;
|
|
|
1067 *ptr = NL; /* split line by inserting a NL */
|
|
|
1068 size = 1;
|
|
|
1069 }
|
|
|
1070 else
|
|
|
1071 #endif
|
|
|
1072 {
|
|
|
1073 if (!skip_read)
|
|
|
1074 {
|
|
|
1075 #if SIZEOF_INT > 2
|
|
|
1076 # ifdef __TANDEM
|
|
|
1077 size = SSIZE_MAX; /* use max I/O size, 52K */
|
|
|
1078 # else
|
|
|
1079 size = 0x10000L; /* use buffer >= 64K */
|
|
|
1080 # endif
|
|
|
1081 #else
|
|
|
1082 size = 0x7ff0L - linerest; /* limit buffer to 32K */
|
|
|
1083 #endif
|
|
|
1084
|
|
|
1085 for ( ; size >= 10; size = (long_u)size >> 1)
|
|
|
1086 {
|
|
|
1087 if ((new_buffer = lalloc((long_u)(size + linerest + 1),
|
|
|
1088 FALSE)) != NULL)
|
|
|
1089 break;
|
|
|
1090 }
|
|
|
1091 if (new_buffer == NULL)
|
|
|
1092 {
|
|
|
1093 do_outofmem_msg((long_u)(size * 2 + linerest + 1));
|
|
|
1094 error = TRUE;
|
|
|
1095 break;
|
|
|
1096 }
|
|
|
1097 if (linerest) /* copy characters from the previous buffer */
|
|
|
1098 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest);
|
|
|
1099 vim_free(buffer);
|
|
|
1100 buffer = new_buffer;
|
|
|
1101 ptr = buffer + linerest;
|
|
|
1102 line_start = buffer;
|
|
|
1103
|
|
|
1104 #ifdef FEAT_MBYTE
|
|
|
1105 /* May need room to translate into.
|
|
|
1106 * For iconv() we don't really know the required space, use a
|
|
|
1107 * factor ICONV_MULT.
|
|
|
1108 * latin1 to utf-8: 1 byte becomes up to 2 bytes
|
|
|
1109 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes
|
|
|
1110 * become up to 4 bytes, size must be multiple of 2
|
|
|
1111 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be
|
|
|
1112 * multiple of 2
|
|
|
1113 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be
|
|
|
1114 * multiple of 4 */
|
|
|
1115 real_size = size;
|
|
|
1116 # ifdef USE_ICONV
|
|
|
1117 if (iconv_fd != (iconv_t)-1)
|
|
|
1118 size = size / ICONV_MULT;
|
|
|
1119 else
|
|
|
1120 # endif
|
|
|
1121 if (fio_flags & FIO_LATIN1)
|
|
|
1122 size = size / 2;
|
|
|
1123 else if (fio_flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
1124 size = (size * 2 / 3) & ~1;
|
|
|
1125 else if (fio_flags & FIO_UCS4)
|
|
|
1126 size = (size * 2 / 3) & ~3;
|
|
|
1127 else if (fio_flags == FIO_UCSBOM)
|
|
|
1128 size = size / ICONV_MULT; /* worst case */
|
|
|
1129 # ifdef WIN3264
|
|
|
1130 else if (fio_flags & FIO_CODEPAGE)
|
|
|
1131 size = size / ICONV_MULT; /* also worst case */
|
|
|
1132 # endif
|
|
|
1133 # ifdef MACOS_X
|
|
|
1134 else if (fio_flags & FIO_MACROMAN)
|
|
|
1135 size = size / ICONV_MULT; /* also worst case */
|
|
|
1136 # endif
|
|
|
1137 #endif
|
|
|
1138
|
|
|
1139 #ifdef FEAT_MBYTE
|
|
|
1140 if (conv_restlen > 0)
|
|
|
1141 {
|
|
|
1142 /* Insert unconverted bytes from previous line. */
|
|
|
1143 mch_memmove(ptr, conv_rest, conv_restlen);
|
|
|
1144 ptr += conv_restlen;
|
|
|
1145 size -= conv_restlen;
|
|
|
1146 }
|
|
|
1147 #endif
|
|
|
1148
|
|
|
1149 if (read_buffer)
|
|
|
1150 {
|
|
|
1151 /*
|
|
|
1152 * Read bytes from curbuf. Used for converting text read
|
|
|
1153 * from stdin.
|
|
|
1154 */
|
|
|
1155 if (read_buf_lnum > from)
|
|
|
1156 size = 0;
|
|
|
1157 else
|
|
|
1158 {
|
|
|
1159 int n, ni;
|
|
|
1160 long tlen;
|
|
|
1161
|
|
|
1162 tlen = 0;
|
|
|
1163 for (;;)
|
|
|
1164 {
|
|
|
1165 p = ml_get(read_buf_lnum) + read_buf_col;
|
|
|
1166 n = (int)STRLEN(p);
|
|
|
1167 if ((int)tlen + n + 1 > size)
|
|
|
1168 {
|
|
|
1169 /* Filled up to "size", append partial line.
|
|
|
1170 * Change NL to NUL to reverse the effect done
|
|
|
1171 * below. */
|
|
|
1172 n = size - tlen;
|
|
|
1173 for (ni = 0; ni < n; ++ni)
|
|
|
1174 {
|
|
|
1175 if (p[ni] == NL)
|
|
|
1176 ptr[tlen++] = NUL;
|
|
|
1177 else
|
|
|
1178 ptr[tlen++] = p[ni];
|
|
|
1179 }
|
|
|
1180 read_buf_col += n;
|
|
|
1181 break;
|
|
|
1182 }
|
|
|
1183 else
|
|
|
1184 {
|
|
|
1185 /* Append whole line and new-line. Change NL
|
|
|
1186 * to NUL to reverse the effect done below. */
|
|
|
1187 for (ni = 0; ni < n; ++ni)
|
|
|
1188 {
|
|
|
1189 if (p[ni] == NL)
|
|
|
1190 ptr[tlen++] = NUL;
|
|
|
1191 else
|
|
|
1192 ptr[tlen++] = p[ni];
|
|
|
1193 }
|
|
|
1194 ptr[tlen++] = NL;
|
|
|
1195 read_buf_col = 0;
|
|
|
1196 if (++read_buf_lnum > from)
|
|
|
1197 {
|
|
|
1198 /* When the last line didn't have an
|
|
|
1199 * end-of-line don't add it now either. */
|
|
|
1200 if (!curbuf->b_p_eol)
|
|
|
1201 --tlen;
|
|
|
1202 size = tlen;
|
|
|
1203 break;
|
|
|
1204 }
|
|
|
1205 }
|
|
|
1206 }
|
|
|
1207 }
|
|
|
1208 }
|
|
|
1209 else
|
|
|
1210 {
|
|
|
1211 /*
|
|
|
1212 * Read bytes from the file.
|
|
|
1213 */
|
|
|
1214 size = vim_read(fd, ptr, size);
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 if (size <= 0)
|
|
|
1218 {
|
|
|
1219 if (size < 0) /* read error */
|
|
|
1220 error = TRUE;
|
|
|
1221 #ifdef FEAT_MBYTE
|
|
|
1222 else if (conv_restlen > 0)
|
|
|
1223 /* some trailing bytes unconverted */
|
|
|
1224 conv_error = TRUE;
|
|
|
1225 #endif
|
|
|
1226 }
|
|
|
1227
|
|
|
1228 #ifdef FEAT_CRYPT
|
|
|
1229 /*
|
|
|
1230 * At start of file: Check for magic number of encryption.
|
|
|
1231 */
|
|
|
1232 if (filesize == 0)
|
|
|
1233 cryptkey = check_for_cryptkey(cryptkey, ptr, &size,
|
|
|
1234 &filesize, newfile);
|
|
|
1235 /*
|
|
|
1236 * Decrypt the read bytes.
|
|
|
1237 */
|
|
|
1238 if (cryptkey != NULL && size > 0)
|
|
|
1239 for (p = ptr; p < ptr + size; ++p)
|
|
|
1240 ZDECODE(*p);
|
|
|
1241 #endif
|
|
|
1242 }
|
|
|
1243 skip_read = FALSE;
|
|
|
1244
|
|
|
1245 #ifdef FEAT_MBYTE
|
|
|
1246 /*
|
|
|
1247 * At start of file (or after crypt magic number): Check for BOM.
|
|
|
1248 * Also check for a BOM for other Unicode encodings, but not after
|
|
|
1249 * converting with 'charconvert' or when a BOM has already been
|
|
|
1250 * found.
|
|
|
1251 */
|
|
|
1252 if ((filesize == 0
|
|
|
1253 # ifdef FEAT_CRYPT
|
|
|
1254 || (filesize == CRYPT_MAGIC_LEN && cryptkey != NULL)
|
|
|
1255 # endif
|
|
|
1256 )
|
|
|
1257 && (fio_flags == FIO_UCSBOM
|
|
|
1258 || (!curbuf->b_p_bomb
|
|
|
1259 && tmpname == NULL
|
|
|
1260 && (*fenc == 'u' || (*fenc == NUL && enc_utf8)))))
|
|
|
1261 {
|
|
|
1262 char_u *ccname;
|
|
|
1263 int blen;
|
|
|
1264
|
|
|
1265 /* no BOM detection in a short file or in binary mode */
|
|
|
1266 if (size < 2 || curbuf->b_p_bin)
|
|
|
1267 ccname = NULL;
|
|
|
1268 else
|
|
|
1269 ccname = check_for_bom(ptr, size, &blen,
|
|
|
1270 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc));
|
|
|
1271 if (ccname != NULL)
|
|
|
1272 {
|
|
|
1273 /* Remove BOM from the text */
|
|
|
1274 filesize += blen;
|
|
|
1275 size -= blen;
|
|
|
1276 mch_memmove(ptr, ptr + blen, (size_t)size);
|
|
|
1277 if (newfile)
|
|
|
1278 curbuf->b_p_bomb = TRUE;
|
|
|
1279 }
|
|
|
1280
|
|
|
1281 if (fio_flags == FIO_UCSBOM)
|
|
|
1282 {
|
|
|
1283 if (ccname == NULL)
|
|
|
1284 {
|
|
|
1285 /* No BOM detected: retry with next encoding. */
|
|
|
1286 advance_fenc = TRUE;
|
|
|
1287 }
|
|
|
1288 else
|
|
|
1289 {
|
|
|
1290 /* BOM detected: set "fenc" and jump back */
|
|
|
1291 if (fenc_alloced)
|
|
|
1292 vim_free(fenc);
|
|
|
1293 fenc = ccname;
|
|
|
1294 fenc_alloced = FALSE;
|
|
|
1295 }
|
|
|
1296 /* retry reading without getting new bytes or rewinding */
|
|
|
1297 skip_read = TRUE;
|
|
|
1298 goto retry;
|
|
|
1299 }
|
|
|
1300 }
|
|
|
1301 #endif
|
|
|
1302 /*
|
|
|
1303 * Break here for a read error or end-of-file.
|
|
|
1304 */
|
|
|
1305 if (size <= 0)
|
|
|
1306 break;
|
|
|
1307
|
|
|
1308 #ifdef FEAT_MBYTE
|
|
|
1309
|
|
|
1310 /* Include not converted bytes. */
|
|
|
1311 ptr -= conv_restlen;
|
|
|
1312 size += conv_restlen;
|
|
|
1313 conv_restlen = 0;
|
|
|
1314
|
|
|
1315 # ifdef USE_ICONV
|
|
|
1316 if (iconv_fd != (iconv_t)-1)
|
|
|
1317 {
|
|
|
1318 /*
|
|
|
1319 * Attempt conversion of the read bytes to 'encoding' using
|
|
|
1320 * iconv().
|
|
|
1321 */
|
|
|
1322 const char *fromp;
|
|
|
1323 char *top;
|
|
|
1324 size_t from_size;
|
|
|
1325 size_t to_size;
|
|
|
1326
|
|
|
1327 fromp = (char *)ptr;
|
|
|
1328 from_size = size;
|
|
|
1329 ptr += size;
|
|
|
1330 top = (char *)ptr;
|
|
|
1331 to_size = real_size - size;
|
|
|
1332
|
|
|
1333 /*
|
|
|
1334 * If there is conversion error or not enough room try using
|
|
|
1335 * another conversion.
|
|
|
1336 */
|
|
|
1337 if ((iconv(iconv_fd, (void *)&fromp, &from_size, &top, &to_size)
|
|
|
1338 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL)
|
|
|
1339 || from_size > CONV_RESTLEN)
|
|
|
1340 goto rewind_retry;
|
|
|
1341
|
|
|
1342 if (from_size > 0)
|
|
|
1343 {
|
|
|
1344 /* Some remaining characters, keep them for the next
|
|
|
1345 * round. */
|
|
|
1346 mch_memmove(conv_rest, (char_u *)fromp, from_size);
|
|
|
1347 conv_restlen = (int)from_size;
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 /* move the linerest to before the converted characters */
|
|
|
1351 line_start = ptr - linerest;
|
|
|
1352 mch_memmove(line_start, buffer, (size_t)linerest);
|
|
|
1353 size = (long)((char_u *)top - ptr);
|
|
|
1354 }
|
|
|
1355 # endif
|
|
|
1356
|
|
|
1357 # ifdef WIN3264
|
|
|
1358 if (fio_flags & FIO_CODEPAGE)
|
|
|
1359 {
|
|
|
1360 /*
|
|
|
1361 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or
|
|
|
1362 * a codepage, using standard MS-Windows functions.
|
|
|
1363 * 1. find out how many ucs-2 characters there are.
|
|
|
1364 * 2. convert from 'fileencoding' to ucs-2
|
|
|
1365 * 3. convert from ucs-2 to 'encoding'
|
|
|
1366 */
|
|
|
1367 char_u *ucsp;
|
|
|
1368 size_t from_size = size;
|
|
|
1369 int needed;
|
|
|
1370 char_u *p;
|
|
|
1371 int u8c;
|
|
|
1372
|
|
|
1373 /*
|
|
|
1374 * 1. find out how many ucs-2 characters there are.
|
|
|
1375 */
|
|
|
1376 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
1377 if (FIO_GET_CP(fio_flags) == CP_UTF8)
|
|
|
1378 {
|
|
|
1379 int l, flen;
|
|
|
1380
|
|
|
1381 /* Handle CP_UTF8 ourselves to be able to handle trailing
|
|
|
1382 * bytes properly. First find out the number of
|
|
|
1383 * characters and check for trailing bytes. */
|
|
|
1384 needed = 0;
|
|
|
1385 p = ptr;
|
|
|
1386 for (flen = from_size; flen > 0; flen -= l)
|
|
|
1387 {
|
|
|
1388 l = utf_ptr2len_check_len(p, flen);
|
|
|
1389 if (l > flen) /* incomplete char */
|
|
|
1390 {
|
|
|
1391 if (l > CONV_RESTLEN)
|
|
|
1392 /* weird overlong byte sequence */
|
|
|
1393 goto rewind_retry;
|
|
|
1394 mch_memmove(conv_rest, p, flen);
|
|
|
1395 conv_restlen = flen;
|
|
|
1396 from_size -= flen;
|
|
|
1397 break;
|
|
|
1398 }
|
|
|
1399 if (l == 1 && *p >= 0x80) /* illegal byte */
|
|
|
1400 goto rewind_retry;
|
|
|
1401 ++needed;
|
|
|
1402 p += l;
|
|
|
1403 }
|
|
|
1404 }
|
|
|
1405 else
|
|
|
1406 # endif
|
|
|
1407 {
|
|
|
1408 /* We can't tell if the last byte of an MBCS string is
|
|
|
1409 * valid and MultiByteToWideChar() returns zero if it
|
|
|
1410 * isn't. Try the whole string, and if that fails, bump
|
|
|
1411 * the last byte into conv_rest and try again. */
|
|
|
1412 needed = MultiByteToWideChar(FIO_GET_CP(fio_flags),
|
|
|
1413 MB_ERR_INVALID_CHARS, (LPCSTR)ptr, from_size,
|
|
|
1414 NULL, 0);
|
|
|
1415 if (needed == 0)
|
|
|
1416 {
|
|
|
1417 conv_rest[0] = ptr[from_size - 1];
|
|
|
1418 conv_restlen = 1;
|
|
|
1419 --from_size;
|
|
|
1420 needed = MultiByteToWideChar(FIO_GET_CP(fio_flags),
|
|
|
1421 MB_ERR_INVALID_CHARS, (LPCSTR)ptr, from_size,
|
|
|
1422 NULL, 0);
|
|
|
1423 }
|
|
|
1424
|
|
|
1425 /* If there really is a conversion error, try using another
|
|
|
1426 * conversion. */
|
|
|
1427 if (needed == 0)
|
|
|
1428 goto rewind_retry;
|
|
|
1429 }
|
|
|
1430
|
|
|
1431 /*
|
|
|
1432 * 2. convert from 'fileencoding' to ucs-2
|
|
|
1433 *
|
|
|
1434 * Put the result of conversion to UCS-2 at the end of the
|
|
|
1435 * buffer, then convert from UCS-2 to UTF-8 or "enc_codepage"
|
|
|
1436 * into the start of the buffer. If there is not enough space
|
|
|
1437 * just fail, there is probably something wrong.
|
|
|
1438 */
|
|
|
1439 ucsp = ptr + real_size - (needed * sizeof(WCHAR));
|
|
|
1440 if (ucsp < ptr + size)
|
|
|
1441 goto rewind_retry;
|
|
|
1442
|
|
|
1443 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
1444 if (FIO_GET_CP(fio_flags) == CP_UTF8)
|
|
|
1445 {
|
|
|
1446 int l, flen;
|
|
|
1447
|
|
|
1448 /* Convert from utf-8 to ucs-2. */
|
|
|
1449 needed = 0;
|
|
|
1450 p = ptr;
|
|
|
1451 for (flen = from_size; flen > 0; flen -= l)
|
|
|
1452 {
|
|
|
1453 l = utf_ptr2len_check_len(p, flen);
|
|
|
1454 u8c = utf_ptr2char(p);
|
|
|
1455 ucsp[needed * 2] = (u8c & 0xff);
|
|
|
1456 ucsp[needed * 2 + 1] = (u8c >> 8);
|
|
|
1457 ++needed;
|
|
|
1458 p += l;
|
|
|
1459 }
|
|
|
1460 }
|
|
|
1461 else
|
|
|
1462 # endif
|
|
|
1463 needed = MultiByteToWideChar(FIO_GET_CP(fio_flags),
|
|
|
1464 MB_ERR_INVALID_CHARS, (LPCSTR)ptr,
|
|
|
1465 from_size, (LPWSTR)ucsp, needed);
|
|
|
1466
|
|
|
1467 /*
|
|
|
1468 * 3. convert from ucs-2 to 'encoding'
|
|
|
1469 */
|
|
|
1470 if (enc_utf8)
|
|
|
1471 {
|
|
|
1472 /* From UCS-2 to UTF-8. Cannot fail. */
|
|
|
1473 p = ptr;
|
|
|
1474 for (; needed > 0; --needed)
|
|
|
1475 {
|
|
|
1476 u8c = *ucsp++;
|
|
|
1477 u8c += (*ucsp++ << 8);
|
|
|
1478 p += utf_char2bytes(u8c, p);
|
|
|
1479 }
|
|
|
1480 size = p - ptr;
|
|
|
1481 }
|
|
|
1482 else
|
|
|
1483 {
|
|
|
1484 BOOL bad = FALSE;
|
|
|
1485
|
|
|
1486 /* From UCS-2 to "enc_codepage". If the conversion uses
|
|
|
1487 * the default character "?", the data doesn't fit in this
|
|
|
1488 * encoding, so fail (unless forced). */
|
|
|
1489 size = WideCharToMultiByte(enc_codepage, 0,
|
|
|
1490 (LPCWSTR)ucsp, needed,
|
|
|
1491 (LPSTR)ptr, real_size, "?", &bad);
|
|
|
1492 if (bad && !keep_dest_enc)
|
|
|
1493 goto rewind_retry;
|
|
|
1494 }
|
|
|
1495 }
|
|
|
1496 else
|
|
|
1497 # endif
|
|
|
1498 # ifdef MACOS_X
|
|
|
1499 if (fio_flags & FIO_MACROMAN)
|
|
|
1500 {
|
|
18
|
1501 extern int macroman2enc __ARGS((char_u *ptr, long *sizep, long
|
|
|
1502 real_size));
|
|
7
|
1503 /*
|
|
|
1504 * Conversion from Apple MacRoman char encoding to UTF-8 or
|
|
18
|
1505 * latin1. This is in os_mac_conv.c.
|
|
7
|
1506 */
|
|
18
|
1507 if (macroman2enc(ptr, &size, real_size) == FAIL)
|
|
7
|
1508 goto rewind_retry;
|
|
|
1509 }
|
|
|
1510 else
|
|
|
1511 # endif
|
|
|
1512 if (fio_flags != 0)
|
|
|
1513 {
|
|
|
1514 int u8c;
|
|
|
1515 char_u *dest;
|
|
|
1516 char_u *tail = NULL;
|
|
|
1517
|
|
|
1518 /*
|
|
|
1519 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8.
|
|
|
1520 * "enc_utf8" not set: Convert Unicode to Latin1.
|
|
|
1521 * Go from end to start through the buffer, because the number
|
|
|
1522 * of bytes may increase.
|
|
|
1523 * "dest" points to after where the UTF-8 bytes go, "p" points
|
|
|
1524 * to after the next character to convert.
|
|
|
1525 */
|
|
|
1526 dest = ptr + real_size;
|
|
|
1527 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8)
|
|
|
1528 {
|
|
|
1529 p = ptr + size;
|
|
|
1530 if (fio_flags == FIO_UTF8)
|
|
|
1531 {
|
|
|
1532 /* Check for a trailing incomplete UTF-8 sequence */
|
|
|
1533 tail = ptr + size - 1;
|
|
|
1534 while (tail > ptr && (*tail & 0xc0) == 0x80)
|
|
|
1535 --tail;
|
|
|
1536 if (tail + utf_byte2len(*tail) <= ptr + size)
|
|
|
1537 tail = NULL;
|
|
|
1538 else
|
|
|
1539 p = tail;
|
|
|
1540 }
|
|
|
1541 }
|
|
|
1542 else if (fio_flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
1543 {
|
|
|
1544 /* Check for a trailing byte */
|
|
|
1545 p = ptr + (size & ~1);
|
|
|
1546 if (size & 1)
|
|
|
1547 tail = p;
|
|
|
1548 if ((fio_flags & FIO_UTF16) && p > ptr)
|
|
|
1549 {
|
|
|
1550 /* Check for a trailing leading word */
|
|
|
1551 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1552 {
|
|
|
1553 u8c = (*--p << 8);
|
|
|
1554 u8c += *--p;
|
|
|
1555 }
|
|
|
1556 else
|
|
|
1557 {
|
|
|
1558 u8c = *--p;
|
|
|
1559 u8c += (*--p << 8);
|
|
|
1560 }
|
|
|
1561 if (u8c >= 0xd800 && u8c <= 0xdbff)
|
|
|
1562 tail = p;
|
|
|
1563 else
|
|
|
1564 p += 2;
|
|
|
1565 }
|
|
|
1566 }
|
|
|
1567 else /* FIO_UCS4 */
|
|
|
1568 {
|
|
|
1569 /* Check for trailing 1, 2 or 3 bytes */
|
|
|
1570 p = ptr + (size & ~3);
|
|
|
1571 if (size & 3)
|
|
|
1572 tail = p;
|
|
|
1573 }
|
|
|
1574
|
|
|
1575 /* If there is a trailing incomplete sequence move it to
|
|
|
1576 * conv_rest[]. */
|
|
|
1577 if (tail != NULL)
|
|
|
1578 {
|
|
|
1579 conv_restlen = (int)((ptr + size) - tail);
|
|
|
1580 mch_memmove(conv_rest, (char_u *)tail, conv_restlen);
|
|
|
1581 size -= conv_restlen;
|
|
|
1582 }
|
|
|
1583
|
|
|
1584
|
|
|
1585 while (p > ptr)
|
|
|
1586 {
|
|
|
1587 if (fio_flags & FIO_LATIN1)
|
|
|
1588 u8c = *--p;
|
|
|
1589 else if (fio_flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
1590 {
|
|
|
1591 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1592 {
|
|
|
1593 u8c = (*--p << 8);
|
|
|
1594 u8c += *--p;
|
|
|
1595 }
|
|
|
1596 else
|
|
|
1597 {
|
|
|
1598 u8c = *--p;
|
|
|
1599 u8c += (*--p << 8);
|
|
|
1600 }
|
|
|
1601 if ((fio_flags & FIO_UTF16)
|
|
|
1602 && u8c >= 0xdc00 && u8c <= 0xdfff)
|
|
|
1603 {
|
|
|
1604 int u16c;
|
|
|
1605
|
|
|
1606 if (p == ptr)
|
|
|
1607 {
|
|
|
1608 /* Missing leading word. */
|
|
|
1609 if (can_retry)
|
|
|
1610 goto rewind_retry;
|
|
|
1611 conv_error = TRUE;
|
|
|
1612 }
|
|
|
1613
|
|
|
1614 /* found second word of double-word, get the first
|
|
|
1615 * word and compute the resulting character */
|
|
|
1616 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1617 {
|
|
|
1618 u16c = (*--p << 8);
|
|
|
1619 u16c += *--p;
|
|
|
1620 }
|
|
|
1621 else
|
|
|
1622 {
|
|
|
1623 u16c = *--p;
|
|
|
1624 u16c += (*--p << 8);
|
|
|
1625 }
|
|
|
1626 /* Check if the word is indeed a leading word. */
|
|
|
1627 if (u16c < 0xd800 || u16c > 0xdbff)
|
|
|
1628 {
|
|
|
1629 if (can_retry)
|
|
|
1630 goto rewind_retry;
|
|
|
1631 conv_error = TRUE;
|
|
|
1632 }
|
|
|
1633 u8c = 0x10000 + ((u16c & 0x3ff) << 10)
|
|
|
1634 + (u8c & 0x3ff);
|
|
|
1635 }
|
|
|
1636 }
|
|
|
1637 else if (fio_flags & FIO_UCS4)
|
|
|
1638 {
|
|
|
1639 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1640 {
|
|
|
1641 u8c = (*--p << 24);
|
|
|
1642 u8c += (*--p << 16);
|
|
|
1643 u8c += (*--p << 8);
|
|
|
1644 u8c += *--p;
|
|
|
1645 }
|
|
|
1646 else /* big endian */
|
|
|
1647 {
|
|
|
1648 u8c = *--p;
|
|
|
1649 u8c += (*--p << 8);
|
|
|
1650 u8c += (*--p << 16);
|
|
|
1651 u8c += (*--p << 24);
|
|
|
1652 }
|
|
|
1653 }
|
|
|
1654 else /* UTF-8 */
|
|
|
1655 {
|
|
|
1656 if (*--p < 0x80)
|
|
|
1657 u8c = *p;
|
|
|
1658 else
|
|
|
1659 {
|
|
|
1660 len = utf_head_off(ptr, p);
|
|
|
1661 if (len == 0)
|
|
|
1662 {
|
|
|
1663 /* Not a valid UTF-8 character, retry with
|
|
|
1664 * another fenc when possible, otherwise just
|
|
|
1665 * report the error. */
|
|
|
1666 if (can_retry)
|
|
|
1667 goto rewind_retry;
|
|
|
1668 conv_error = TRUE;
|
|
|
1669 }
|
|
|
1670 p -= len;
|
|
|
1671 u8c = utf_ptr2char(p);
|
|
|
1672 }
|
|
|
1673 }
|
|
|
1674 if (enc_utf8) /* produce UTF-8 */
|
|
|
1675 {
|
|
|
1676 dest -= utf_char2len(u8c);
|
|
|
1677 (void)utf_char2bytes(u8c, dest);
|
|
|
1678 }
|
|
|
1679 else /* produce Latin1 */
|
|
|
1680 {
|
|
|
1681 --dest;
|
|
|
1682 if (u8c >= 0x100)
|
|
|
1683 {
|
|
|
1684 /* character doesn't fit in latin1, retry with
|
|
|
1685 * another fenc when possible, otherwise just
|
|
|
1686 * report the error. */
|
|
|
1687 if (can_retry && !keep_dest_enc)
|
|
|
1688 goto rewind_retry;
|
|
|
1689 *dest = 0xBF;
|
|
|
1690 conv_error = TRUE;
|
|
|
1691 }
|
|
|
1692 else
|
|
|
1693 *dest = u8c;
|
|
|
1694 }
|
|
|
1695 }
|
|
|
1696
|
|
|
1697 /* move the linerest to before the converted characters */
|
|
|
1698 line_start = dest - linerest;
|
|
|
1699 mch_memmove(line_start, buffer, (size_t)linerest);
|
|
|
1700 size = (long)((ptr + real_size) - dest);
|
|
|
1701 ptr = dest;
|
|
|
1702 }
|
|
|
1703 else if (enc_utf8 && !conv_error && !curbuf->b_p_bin)
|
|
|
1704 {
|
|
|
1705 /* Reading UTF-8: Check if the bytes are valid UTF-8.
|
|
|
1706 * Need to start before "ptr" when part of the character was
|
|
|
1707 * read in the previous read() call. */
|
|
|
1708 for (p = ptr - utf_head_off(buffer, ptr); p < ptr + size; ++p)
|
|
|
1709 {
|
|
|
1710 if (*p >= 0x80)
|
|
|
1711 {
|
|
|
1712 len = utf_ptr2len_check(p);
|
|
|
1713 /* A length of 1 means it's an illegal byte. Accept
|
|
|
1714 * an incomplete character at the end though, the next
|
|
|
1715 * read() will get the next bytes, we'll check it
|
|
|
1716 * then. */
|
|
|
1717 if (len == 1)
|
|
|
1718 {
|
|
|
1719 p += utf_byte2len(*p) - 1;
|
|
|
1720 break;
|
|
|
1721 }
|
|
|
1722 p += len - 1;
|
|
|
1723 }
|
|
|
1724 }
|
|
|
1725 if (p < ptr + size)
|
|
|
1726 {
|
|
|
1727 /* Detected a UTF-8 error. */
|
|
|
1728 if (can_retry)
|
|
|
1729 {
|
|
|
1730 rewind_retry:
|
|
|
1731 /* Retry reading with another conversion. */
|
|
|
1732 # if defined(FEAT_EVAL) && defined(USE_ICONV)
|
|
|
1733 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1)
|
|
|
1734 /* iconv() failed, try 'charconvert' */
|
|
|
1735 did_iconv = TRUE;
|
|
|
1736 else
|
|
|
1737 # endif
|
|
|
1738 /* use next item from 'fileencodings' */
|
|
|
1739 advance_fenc = TRUE;
|
|
|
1740 file_rewind = TRUE;
|
|
|
1741 goto retry;
|
|
|
1742 }
|
|
|
1743
|
|
|
1744 /* There is no alternative fenc, just report the error. */
|
|
|
1745 # ifdef USE_ICONV
|
|
|
1746 if (iconv_fd != (iconv_t)-1)
|
|
|
1747 conv_error = TRUE;
|
|
|
1748 else
|
|
|
1749 # endif
|
|
|
1750 {
|
|
|
1751 char_u *s;
|
|
|
1752
|
|
|
1753 /* Estimate the line number. */
|
|
|
1754 illegal_byte = curbuf->b_ml.ml_line_count - linecnt + 1;
|
|
|
1755 for (s = ptr; s < p; ++s)
|
|
|
1756 if (*s == '\n')
|
|
|
1757 ++illegal_byte;
|
|
|
1758 }
|
|
|
1759 }
|
|
|
1760 }
|
|
|
1761 #endif
|
|
|
1762
|
|
|
1763 /* count the number of characters (after conversion!) */
|
|
|
1764 filesize += size;
|
|
|
1765
|
|
|
1766 /*
|
|
|
1767 * when reading the first part of a file: guess EOL type
|
|
|
1768 */
|
|
|
1769 if (fileformat == EOL_UNKNOWN)
|
|
|
1770 {
|
|
|
1771 /* First try finding a NL, for Dos and Unix */
|
|
|
1772 if (try_dos || try_unix)
|
|
|
1773 {
|
|
|
1774 for (p = ptr; p < ptr + size; ++p)
|
|
|
1775 {
|
|
|
1776 if (*p == NL)
|
|
|
1777 {
|
|
|
1778 if (!try_unix
|
|
|
1779 || (try_dos && p > ptr && p[-1] == CAR))
|
|
|
1780 fileformat = EOL_DOS;
|
|
|
1781 else
|
|
|
1782 fileformat = EOL_UNIX;
|
|
|
1783 break;
|
|
|
1784 }
|
|
|
1785 }
|
|
|
1786
|
|
|
1787 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */
|
|
|
1788 if (fileformat == EOL_UNIX && try_mac)
|
|
|
1789 {
|
|
|
1790 /* Need to reset the counters when retrying fenc. */
|
|
|
1791 try_mac = 1;
|
|
|
1792 try_unix = 1;
|
|
|
1793 for (; p >= ptr && *p != CAR; p--)
|
|
|
1794 ;
|
|
|
1795 if (p >= ptr)
|
|
|
1796 {
|
|
|
1797 for (p = ptr; p < ptr + size; ++p)
|
|
|
1798 {
|
|
|
1799 if (*p == NL)
|
|
|
1800 try_unix++;
|
|
|
1801 else if (*p == CAR)
|
|
|
1802 try_mac++;
|
|
|
1803 }
|
|
|
1804 if (try_mac > try_unix)
|
|
|
1805 fileformat = EOL_MAC;
|
|
|
1806 }
|
|
|
1807 }
|
|
|
1808 }
|
|
|
1809
|
|
|
1810 /* No NL found: may use Mac format */
|
|
|
1811 if (fileformat == EOL_UNKNOWN && try_mac)
|
|
|
1812 fileformat = EOL_MAC;
|
|
|
1813
|
|
|
1814 /* Still nothing found? Use first format in 'ffs' */
|
|
|
1815 if (fileformat == EOL_UNKNOWN)
|
|
|
1816 fileformat = default_fileformat();
|
|
|
1817
|
|
|
1818 /* if editing a new file: may set p_tx and p_ff */
|
|
|
1819 if (newfile)
|
|
|
1820 set_fileformat(fileformat, OPT_LOCAL);
|
|
|
1821 }
|
|
|
1822 }
|
|
|
1823
|
|
|
1824 /*
|
|
|
1825 * This loop is executed once for every character read.
|
|
|
1826 * Keep it fast!
|
|
|
1827 */
|
|
|
1828 if (fileformat == EOL_MAC)
|
|
|
1829 {
|
|
|
1830 --ptr;
|
|
|
1831 while (++ptr, --size >= 0)
|
|
|
1832 {
|
|
|
1833 /* catch most common case first */
|
|
|
1834 if ((c = *ptr) != NUL && c != CAR && c != NL)
|
|
|
1835 continue;
|
|
|
1836 if (c == NUL)
|
|
|
1837 *ptr = NL; /* NULs are replaced by newlines! */
|
|
|
1838 else if (c == NL)
|
|
|
1839 *ptr = CAR; /* NLs are replaced by CRs! */
|
|
|
1840 else
|
|
|
1841 {
|
|
|
1842 if (skip_count == 0)
|
|
|
1843 {
|
|
|
1844 *ptr = NUL; /* end of line */
|
|
|
1845 len = (colnr_T) (ptr - line_start + 1);
|
|
|
1846 if (ml_append(lnum, line_start, len, newfile) == FAIL)
|
|
|
1847 {
|
|
|
1848 error = TRUE;
|
|
|
1849 break;
|
|
|
1850 }
|
|
|
1851 ++lnum;
|
|
|
1852 if (--read_count == 0)
|
|
|
1853 {
|
|
|
1854 error = TRUE; /* break loop */
|
|
|
1855 line_start = ptr; /* nothing left to write */
|
|
|
1856 break;
|
|
|
1857 }
|
|
|
1858 }
|
|
|
1859 else
|
|
|
1860 --skip_count;
|
|
|
1861 line_start = ptr + 1;
|
|
|
1862 }
|
|
|
1863 }
|
|
|
1864 }
|
|
|
1865 else
|
|
|
1866 {
|
|
|
1867 --ptr;
|
|
|
1868 while (++ptr, --size >= 0)
|
|
|
1869 {
|
|
|
1870 if ((c = *ptr) != NUL && c != NL) /* catch most common case */
|
|
|
1871 continue;
|
|
|
1872 if (c == NUL)
|
|
|
1873 *ptr = NL; /* NULs are replaced by newlines! */
|
|
|
1874 else
|
|
|
1875 {
|
|
|
1876 if (skip_count == 0)
|
|
|
1877 {
|
|
|
1878 *ptr = NUL; /* end of line */
|
|
|
1879 len = (colnr_T)(ptr - line_start + 1);
|
|
|
1880 if (fileformat == EOL_DOS)
|
|
|
1881 {
|
|
|
1882 if (ptr[-1] == CAR) /* remove CR */
|
|
|
1883 {
|
|
|
1884 ptr[-1] = NUL;
|
|
|
1885 --len;
|
|
|
1886 }
|
|
|
1887 /*
|
|
|
1888 * Reading in Dos format, but no CR-LF found!
|
|
|
1889 * When 'fileformats' includes "unix", delete all
|
|
|
1890 * the lines read so far and start all over again.
|
|
|
1891 * Otherwise give an error message later.
|
|
|
1892 */
|
|
|
1893 else if (ff_error != EOL_DOS)
|
|
|
1894 {
|
|
|
1895 if ( try_unix
|
|
|
1896 && !read_stdin
|
|
|
1897 && (read_buffer
|
|
|
1898 || lseek(fd, (off_t)0L, SEEK_SET) == 0))
|
|
|
1899 {
|
|
|
1900 fileformat = EOL_UNIX;
|
|
|
1901 if (newfile)
|
|
|
1902 set_fileformat(EOL_UNIX, OPT_LOCAL);
|
|
|
1903 file_rewind = TRUE;
|
|
|
1904 keep_fileformat = TRUE;
|
|
|
1905 goto retry;
|
|
|
1906 }
|
|
|
1907 ff_error = EOL_DOS;
|
|
|
1908 }
|
|
|
1909 }
|
|
|
1910 if (ml_append(lnum, line_start, len, newfile) == FAIL)
|
|
|
1911 {
|
|
|
1912 error = TRUE;
|
|
|
1913 break;
|
|
|
1914 }
|
|
|
1915 ++lnum;
|
|
|
1916 if (--read_count == 0)
|
|
|
1917 {
|
|
|
1918 error = TRUE; /* break loop */
|
|
|
1919 line_start = ptr; /* nothing left to write */
|
|
|
1920 break;
|
|
|
1921 }
|
|
|
1922 }
|
|
|
1923 else
|
|
|
1924 --skip_count;
|
|
|
1925 line_start = ptr + 1;
|
|
|
1926 }
|
|
|
1927 }
|
|
|
1928 }
|
|
|
1929 linerest = (long)(ptr - line_start);
|
|
|
1930 ui_breakcheck();
|
|
|
1931 }
|
|
|
1932
|
|
|
1933 failed:
|
|
|
1934 /* not an error, max. number of lines reached */
|
|
|
1935 if (error && read_count == 0)
|
|
|
1936 error = FALSE;
|
|
|
1937
|
|
|
1938 /*
|
|
|
1939 * If we get EOF in the middle of a line, note the fact and
|
|
|
1940 * complete the line ourselves.
|
|
|
1941 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set.
|
|
|
1942 */
|
|
|
1943 if (!error
|
|
|
1944 && !got_int
|
|
|
1945 && linerest != 0
|
|
|
1946 && !(!curbuf->b_p_bin
|
|
|
1947 && fileformat == EOL_DOS
|
|
|
1948 && *line_start == Ctrl_Z
|
|
|
1949 && ptr == line_start + 1))
|
|
|
1950 {
|
|
|
1951 if (newfile) /* remember for when writing */
|
|
|
1952 curbuf->b_p_eol = FALSE;
|
|
|
1953 *ptr = NUL;
|
|
|
1954 if (ml_append(lnum, line_start,
|
|
|
1955 (colnr_T)(ptr - line_start + 1), newfile) == FAIL)
|
|
|
1956 error = TRUE;
|
|
|
1957 else
|
|
|
1958 read_no_eol_lnum = ++lnum;
|
|
|
1959 }
|
|
|
1960
|
|
|
1961 if (newfile)
|
|
|
1962 save_file_ff(curbuf); /* remember the current file format */
|
|
|
1963
|
|
|
1964 #ifdef FEAT_CRYPT
|
|
|
1965 if (cryptkey != curbuf->b_p_key)
|
|
|
1966 vim_free(cryptkey);
|
|
|
1967 #endif
|
|
|
1968
|
|
|
1969 #ifdef FEAT_MBYTE
|
|
|
1970 /* If editing a new file: set 'fenc' for the current buffer. */
|
|
|
1971 if (newfile)
|
|
|
1972 set_string_option_direct((char_u *)"fenc", -1, fenc,
|
|
|
1973 OPT_FREE|OPT_LOCAL);
|
|
|
1974 if (fenc_alloced)
|
|
|
1975 vim_free(fenc);
|
|
|
1976 # ifdef USE_ICONV
|
|
|
1977 if (iconv_fd != (iconv_t)-1)
|
|
|
1978 {
|
|
|
1979 iconv_close(iconv_fd);
|
|
|
1980 iconv_fd = (iconv_t)-1;
|
|
|
1981 }
|
|
|
1982 # endif
|
|
|
1983 #endif
|
|
|
1984
|
|
|
1985 if (!read_buffer && !read_stdin)
|
|
|
1986 close(fd); /* errors are ignored */
|
|
|
1987 vim_free(buffer);
|
|
|
1988
|
|
|
1989 #ifdef HAVE_DUP
|
|
|
1990 if (read_stdin)
|
|
|
1991 {
|
|
|
1992 /* Use stderr for stdin, makes shell commands work. */
|
|
|
1993 close(0);
|
|
|
1994 dup(2);
|
|
|
1995 }
|
|
|
1996 #endif
|
|
|
1997
|
|
|
1998 #ifdef FEAT_MBYTE
|
|
|
1999 if (tmpname != NULL)
|
|
|
2000 {
|
|
|
2001 mch_remove(tmpname); /* delete converted file */
|
|
|
2002 vim_free(tmpname);
|
|
|
2003 }
|
|
|
2004 #endif
|
|
|
2005 --no_wait_return; /* may wait for return now */
|
|
|
2006
|
|
|
2007 /*
|
|
|
2008 * In recovery mode everything but autocommands is skipped.
|
|
|
2009 */
|
|
|
2010 if (!recoverymode)
|
|
|
2011 {
|
|
|
2012 /* need to delete the last line, which comes from the empty buffer */
|
|
|
2013 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY))
|
|
|
2014 {
|
|
|
2015 #ifdef FEAT_NETBEANS_INTG
|
|
|
2016 netbeansFireChanges = 0;
|
|
|
2017 #endif
|
|
|
2018 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
|
|
|
2019 #ifdef FEAT_NETBEANS_INTG
|
|
|
2020 netbeansFireChanges = 1;
|
|
|
2021 #endif
|
|
|
2022 --linecnt;
|
|
|
2023 }
|
|
|
2024 linecnt = curbuf->b_ml.ml_line_count - linecnt;
|
|
|
2025 if (filesize == 0)
|
|
|
2026 linecnt = 0;
|
|
|
2027 if (newfile || read_buffer)
|
|
|
2028 redraw_curbuf_later(NOT_VALID);
|
|
|
2029 else if (linecnt) /* appended at least one line */
|
|
|
2030 appended_lines_mark(from, linecnt);
|
|
|
2031
|
|
|
2032 #ifdef FEAT_DIFF
|
|
|
2033 /* After reading the text into the buffer the diff info needs to be
|
|
|
2034 * updated. */
|
|
|
2035 if ((newfile || read_buffer))
|
|
|
2036 diff_invalidate();
|
|
|
2037 #endif
|
|
|
2038 #ifndef ALWAYS_USE_GUI
|
|
|
2039 /*
|
|
|
2040 * If we were reading from the same terminal as where messages go,
|
|
|
2041 * the screen will have been messed up.
|
|
|
2042 * Switch on raw mode now and clear the screen.
|
|
|
2043 */
|
|
|
2044 if (read_stdin)
|
|
|
2045 {
|
|
|
2046 settmode(TMODE_RAW); /* set to raw mode */
|
|
|
2047 starttermcap();
|
|
|
2048 screenclear();
|
|
|
2049 }
|
|
|
2050 #endif
|
|
|
2051
|
|
|
2052 if (got_int)
|
|
|
2053 {
|
|
|
2054 if (!(flags & READ_DUMMY))
|
|
|
2055 {
|
|
|
2056 filemess(curbuf, sfname, (char_u *)_(e_interr), 0);
|
|
|
2057 if (newfile)
|
|
|
2058 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
2059 }
|
|
|
2060 msg_scroll = msg_save;
|
|
|
2061 #ifdef FEAT_VIMINFO
|
|
|
2062 check_marks_read();
|
|
|
2063 #endif
|
|
|
2064 return OK; /* an interrupt isn't really an error */
|
|
|
2065 }
|
|
|
2066
|
|
|
2067 if (!filtering && !(flags & READ_DUMMY))
|
|
|
2068 {
|
|
|
2069 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */
|
|
|
2070 c = FALSE;
|
|
|
2071
|
|
|
2072 #ifdef UNIX
|
|
|
2073 # ifdef S_ISFIFO
|
|
|
2074 if (S_ISFIFO(perm)) /* fifo or socket */
|
|
|
2075 {
|
|
|
2076 STRCAT(IObuff, _("[fifo/socket]"));
|
|
|
2077 c = TRUE;
|
|
|
2078 }
|
|
|
2079 # else
|
|
|
2080 # ifdef S_IFIFO
|
|
|
2081 if ((perm & S_IFMT) == S_IFIFO) /* fifo */
|
|
|
2082 {
|
|
|
2083 STRCAT(IObuff, _("[fifo]"));
|
|
|
2084 c = TRUE;
|
|
|
2085 }
|
|
|
2086 # endif
|
|
|
2087 # ifdef S_IFSOCK
|
|
|
2088 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */
|
|
|
2089 {
|
|
|
2090 STRCAT(IObuff, _("[socket]"));
|
|
|
2091 c = TRUE;
|
|
|
2092 }
|
|
|
2093 # endif
|
|
|
2094 # endif
|
|
|
2095 #endif
|
|
|
2096 if (curbuf->b_p_ro)
|
|
|
2097 {
|
|
|
2098 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]"));
|
|
|
2099 c = TRUE;
|
|
|
2100 }
|
|
|
2101 if (read_no_eol_lnum)
|
|
|
2102 {
|
|
|
2103 msg_add_eol();
|
|
|
2104 c = TRUE;
|
|
|
2105 }
|
|
|
2106 if (ff_error == EOL_DOS)
|
|
|
2107 {
|
|
|
2108 STRCAT(IObuff, _("[CR missing]"));
|
|
|
2109 c = TRUE;
|
|
|
2110 }
|
|
|
2111 if (ff_error == EOL_MAC)
|
|
|
2112 {
|
|
|
2113 STRCAT(IObuff, _("[NL found]"));
|
|
|
2114 c = TRUE;
|
|
|
2115 }
|
|
|
2116 if (split)
|
|
|
2117 {
|
|
|
2118 STRCAT(IObuff, _("[long lines split]"));
|
|
|
2119 c = TRUE;
|
|
|
2120 }
|
|
|
2121 #ifdef FEAT_MBYTE
|
|
|
2122 if (notconverted)
|
|
|
2123 {
|
|
|
2124 STRCAT(IObuff, _("[NOT converted]"));
|
|
|
2125 c = TRUE;
|
|
|
2126 }
|
|
|
2127 else if (converted)
|
|
|
2128 {
|
|
|
2129 STRCAT(IObuff, _("[converted]"));
|
|
|
2130 c = TRUE;
|
|
|
2131 }
|
|
|
2132 #endif
|
|
|
2133 #ifdef FEAT_CRYPT
|
|
|
2134 if (cryptkey != NULL)
|
|
|
2135 {
|
|
|
2136 STRCAT(IObuff, _("[crypted]"));
|
|
|
2137 c = TRUE;
|
|
|
2138 }
|
|
|
2139 #endif
|
|
|
2140 #ifdef FEAT_MBYTE
|
|
|
2141 if (conv_error)
|
|
|
2142 {
|
|
|
2143 STRCAT(IObuff, _("[CONVERSION ERROR]"));
|
|
|
2144 c = TRUE;
|
|
|
2145 }
|
|
|
2146 else if (illegal_byte > 0)
|
|
|
2147 {
|
|
|
2148 sprintf((char *)IObuff + STRLEN(IObuff),
|
|
|
2149 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte);
|
|
|
2150 c = TRUE;
|
|
|
2151 }
|
|
|
2152 else
|
|
|
2153 #endif
|
|
|
2154 if (error)
|
|
|
2155 {
|
|
|
2156 STRCAT(IObuff, _("[READ ERRORS]"));
|
|
|
2157 c = TRUE;
|
|
|
2158 }
|
|
|
2159 if (msg_add_fileformat(fileformat))
|
|
|
2160 c = TRUE;
|
|
|
2161 #ifdef FEAT_CRYPT
|
|
|
2162 if (cryptkey != NULL)
|
|
|
2163 msg_add_lines(c, (long)linecnt, filesize - CRYPT_MAGIC_LEN);
|
|
|
2164 else
|
|
|
2165 #endif
|
|
|
2166 msg_add_lines(c, (long)linecnt, filesize);
|
|
|
2167
|
|
|
2168 vim_free(keep_msg);
|
|
|
2169 keep_msg = NULL;
|
|
|
2170 msg_scrolled_ign = TRUE;
|
|
|
2171 #ifdef ALWAYS_USE_GUI
|
|
|
2172 /* Don't show the message when reading stdin, it would end up in a
|
|
|
2173 * message box (which might be shown when exiting!) */
|
|
|
2174 if (read_stdin || read_buffer)
|
|
|
2175 p = msg_may_trunc(FALSE, IObuff);
|
|
|
2176 else
|
|
|
2177 #endif
|
|
|
2178 p = msg_trunc_attr(IObuff, FALSE, 0);
|
|
|
2179 if (read_stdin || read_buffer || restart_edit != 0
|
|
|
2180 || (msg_scrolled && !need_wait_return))
|
|
|
2181 {
|
|
|
2182 /* Need to repeat the message after redrawing when:
|
|
|
2183 * - When reading from stdin (the screen will be cleared next).
|
|
|
2184 * - When restart_edit is set (otherwise there will be a delay
|
|
|
2185 * before redrawing).
|
|
|
2186 * - When the screen was scrolled but there is no wait-return
|
|
|
2187 * prompt. */
|
|
|
2188 set_keep_msg(p);
|
|
|
2189 keep_msg_attr = 0;
|
|
|
2190 }
|
|
|
2191 msg_scrolled_ign = FALSE;
|
|
|
2192 }
|
|
|
2193
|
|
|
2194 /* with errors writing the file requires ":w!" */
|
|
|
2195 if (newfile && (error
|
|
|
2196 #ifdef FEAT_MBYTE
|
|
|
2197 || conv_error
|
|
|
2198 #endif
|
|
|
2199 ))
|
|
|
2200 curbuf->b_p_ro = TRUE;
|
|
|
2201
|
|
|
2202 u_clearline(); /* cannot use "U" command after adding lines */
|
|
|
2203
|
|
|
2204 /*
|
|
|
2205 * In Ex mode: cursor at last new line.
|
|
|
2206 * Otherwise: cursor at first new line.
|
|
|
2207 */
|
|
|
2208 if (exmode_active)
|
|
|
2209 curwin->w_cursor.lnum = from + linecnt;
|
|
|
2210 else
|
|
|
2211 curwin->w_cursor.lnum = from + 1;
|
|
|
2212 check_cursor_lnum();
|
|
|
2213 beginline(BL_WHITE | BL_FIX); /* on first non-blank */
|
|
|
2214
|
|
|
2215 /*
|
|
|
2216 * Set '[ and '] marks to the newly read lines.
|
|
|
2217 */
|
|
|
2218 curbuf->b_op_start.lnum = from + 1;
|
|
|
2219 curbuf->b_op_start.col = 0;
|
|
|
2220 curbuf->b_op_end.lnum = from + linecnt;
|
|
|
2221 curbuf->b_op_end.col = 0;
|
|
|
2222 }
|
|
|
2223 msg_scroll = msg_save;
|
|
|
2224
|
|
|
2225 #ifdef FEAT_VIMINFO
|
|
|
2226 /*
|
|
|
2227 * Get the marks before executing autocommands, so they can be used there.
|
|
|
2228 */
|
|
|
2229 check_marks_read();
|
|
|
2230 #endif
|
|
|
2231
|
|
|
2232 #ifdef FEAT_AUTOCMD
|
|
|
2233 /*
|
|
|
2234 * Trick: We remember if the last line of the read didn't have
|
|
|
2235 * an eol for when writing it again. This is required for
|
|
|
2236 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work.
|
|
|
2237 */
|
|
|
2238 write_no_eol_lnum = read_no_eol_lnum;
|
|
|
2239
|
|
|
2240 if (!read_stdin && !read_buffer)
|
|
|
2241 {
|
|
|
2242 int m = msg_scroll;
|
|
|
2243 int n = msg_scrolled;
|
|
|
2244
|
|
|
2245 /* Save the fileformat now, otherwise the buffer will be considered
|
|
|
2246 * modified if the format/encoding was automatically detected. */
|
|
|
2247 if (newfile)
|
|
|
2248 save_file_ff(curbuf);
|
|
|
2249
|
|
|
2250 /*
|
|
|
2251 * The output from the autocommands should not overwrite anything and
|
|
|
2252 * should not be overwritten: Set msg_scroll, restore its value if no
|
|
|
2253 * output was done.
|
|
|
2254 */
|
|
|
2255 msg_scroll = TRUE;
|
|
|
2256 if (filtering)
|
|
|
2257 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname,
|
|
|
2258 FALSE, curbuf, eap);
|
|
|
2259 else if (newfile)
|
|
|
2260 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname,
|
|
|
2261 FALSE, curbuf, eap);
|
|
|
2262 else
|
|
|
2263 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname,
|
|
|
2264 FALSE, NULL, eap);
|
|
|
2265 if (msg_scrolled == n)
|
|
|
2266 msg_scroll = m;
|
|
|
2267 #ifdef FEAT_EVAL
|
|
|
2268 if (aborting()) /* autocmds may abort script processing */
|
|
|
2269 return FAIL;
|
|
|
2270 #endif
|
|
|
2271 }
|
|
|
2272 #endif
|
|
|
2273
|
|
|
2274 if (recoverymode && error)
|
|
|
2275 return FAIL;
|
|
|
2276 return OK;
|
|
|
2277 }
|
|
|
2278
|
|
|
2279 /*
|
|
|
2280 * Fill "*eap" to force the 'fileencoding' and 'fileformat' to be equal to the
|
|
|
2281 * buffer "buf". Used for calling readfile().
|
|
|
2282 * Returns OK or FAIL.
|
|
|
2283 */
|
|
|
2284 int
|
|
|
2285 prep_exarg(eap, buf)
|
|
|
2286 exarg_T *eap;
|
|
|
2287 buf_T *buf;
|
|
|
2288 {
|
|
|
2289 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff)
|
|
|
2290 #ifdef FEAT_MBYTE
|
|
|
2291 + STRLEN(buf->b_p_fenc)
|
|
|
2292 #endif
|
|
|
2293 + 15));
|
|
|
2294 if (eap->cmd == NULL)
|
|
|
2295 return FAIL;
|
|
|
2296
|
|
|
2297 #ifdef FEAT_MBYTE
|
|
|
2298 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc);
|
|
|
2299 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff);
|
|
|
2300 #else
|
|
|
2301 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff);
|
|
|
2302 #endif
|
|
|
2303 eap->force_ff = 7;
|
|
|
2304 return OK;
|
|
|
2305 }
|
|
|
2306
|
|
|
2307 #ifdef FEAT_MBYTE
|
|
|
2308 /*
|
|
|
2309 * Find next fileencoding to use from 'fileencodings'.
|
|
|
2310 * "pp" points to fenc_next. It's advanced to the next item.
|
|
|
2311 * When there are no more items, an empty string is returned and *pp is set to
|
|
|
2312 * NULL.
|
|
|
2313 * When *pp is not set to NULL, the result is in allocated memory.
|
|
|
2314 */
|
|
|
2315 static char_u *
|
|
|
2316 next_fenc(pp)
|
|
|
2317 char_u **pp;
|
|
|
2318 {
|
|
|
2319 char_u *p;
|
|
|
2320 char_u *r;
|
|
|
2321
|
|
|
2322 if (**pp == NUL)
|
|
|
2323 {
|
|
|
2324 *pp = NULL;
|
|
|
2325 return (char_u *)"";
|
|
|
2326 }
|
|
|
2327 p = vim_strchr(*pp, ',');
|
|
|
2328 if (p == NULL)
|
|
|
2329 {
|
|
|
2330 r = enc_canonize(*pp);
|
|
|
2331 *pp += STRLEN(*pp);
|
|
|
2332 }
|
|
|
2333 else
|
|
|
2334 {
|
|
|
2335 r = vim_strnsave(*pp, (int)(p - *pp));
|
|
|
2336 *pp = p + 1;
|
|
|
2337 if (r != NULL)
|
|
|
2338 {
|
|
|
2339 p = enc_canonize(r);
|
|
|
2340 vim_free(r);
|
|
|
2341 r = p;
|
|
|
2342 }
|
|
|
2343 }
|
|
|
2344 if (r == NULL) /* out of memory */
|
|
|
2345 {
|
|
|
2346 r = (char_u *)"";
|
|
|
2347 *pp = NULL;
|
|
|
2348 }
|
|
|
2349 return r;
|
|
|
2350 }
|
|
|
2351
|
|
|
2352 # ifdef FEAT_EVAL
|
|
|
2353 /*
|
|
|
2354 * Convert a file with the 'charconvert' expression.
|
|
|
2355 * This closes the file which is to be read, converts it and opens the
|
|
|
2356 * resulting file for reading.
|
|
|
2357 * Returns name of the resulting converted file (the caller should delete it
|
|
|
2358 * after reading it).
|
|
|
2359 * Returns NULL if the conversion failed ("*fdp" is not set) .
|
|
|
2360 */
|
|
|
2361 static char_u *
|
|
|
2362 readfile_charconvert(fname, fenc, fdp)
|
|
|
2363 char_u *fname; /* name of input file */
|
|
|
2364 char_u *fenc; /* converted from */
|
|
|
2365 int *fdp; /* in/out: file descriptor of file */
|
|
|
2366 {
|
|
|
2367 char_u *tmpname;
|
|
|
2368 char_u *errmsg = NULL;
|
|
|
2369
|
|
|
2370 tmpname = vim_tempname('r');
|
|
|
2371 if (tmpname == NULL)
|
|
|
2372 errmsg = (char_u *)_("Can't find temp file for conversion");
|
|
|
2373 else
|
|
|
2374 {
|
|
|
2375 close(*fdp); /* close the input file, ignore errors */
|
|
|
2376 *fdp = -1;
|
|
|
2377 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc,
|
|
|
2378 fname, tmpname) == FAIL)
|
|
|
2379 errmsg = (char_u *)_("Conversion with 'charconvert' failed");
|
|
|
2380 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname,
|
|
|
2381 O_RDONLY | O_EXTRA, 0)) < 0)
|
|
|
2382 errmsg = (char_u *)_("can't read output of 'charconvert'");
|
|
|
2383 }
|
|
|
2384
|
|
|
2385 if (errmsg != NULL)
|
|
|
2386 {
|
|
|
2387 /* Don't use emsg(), it breaks mappings, the retry with
|
|
|
2388 * another type of conversion might still work. */
|
|
|
2389 MSG(errmsg);
|
|
|
2390 if (tmpname != NULL)
|
|
|
2391 {
|
|
|
2392 mch_remove(tmpname); /* delete converted file */
|
|
|
2393 vim_free(tmpname);
|
|
|
2394 tmpname = NULL;
|
|
|
2395 }
|
|
|
2396 }
|
|
|
2397
|
|
|
2398 /* If the input file is closed, open it (caller should check for error). */
|
|
|
2399 if (*fdp < 0)
|
|
|
2400 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
|
|
|
2401
|
|
|
2402 return tmpname;
|
|
|
2403 }
|
|
|
2404 # endif
|
|
|
2405
|
|
|
2406 #endif
|
|
|
2407
|
|
|
2408 #ifdef FEAT_VIMINFO
|
|
|
2409 /*
|
|
|
2410 * Read marks for the current buffer from the viminfo file, when we support
|
|
|
2411 * buffer marks and the buffer has a name.
|
|
|
2412 */
|
|
|
2413 static void
|
|
|
2414 check_marks_read()
|
|
|
2415 {
|
|
|
2416 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0
|
|
|
2417 && curbuf->b_ffname != NULL)
|
|
|
2418 read_viminfo(NULL, FALSE, TRUE, FALSE);
|
|
|
2419
|
|
|
2420 /* Always set b_marks_read; needed when 'viminfo' is changed to include
|
|
|
2421 * the ' parameter after opening a buffer. */
|
|
|
2422 curbuf->b_marks_read = TRUE;
|
|
|
2423 }
|
|
|
2424 #endif
|
|
|
2425
|
|
|
2426 #ifdef FEAT_CRYPT
|
|
|
2427 /*
|
|
|
2428 * Check for magic number used for encryption.
|
|
|
2429 * If found, the magic number is removed from ptr[*sizep] and *sizep and
|
|
|
2430 * *filesizep are updated.
|
|
|
2431 * Return the (new) encryption key, NULL for no encryption.
|
|
|
2432 */
|
|
|
2433 static char_u *
|
|
|
2434 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile)
|
|
|
2435 char_u *cryptkey; /* previous encryption key or NULL */
|
|
|
2436 char_u *ptr; /* pointer to read bytes */
|
|
|
2437 long *sizep; /* length of read bytes */
|
|
|
2438 long *filesizep; /* nr of bytes used from file */
|
|
|
2439 int newfile; /* editing a new buffer */
|
|
|
2440 {
|
|
|
2441 if (*sizep >= CRYPT_MAGIC_LEN
|
|
|
2442 && STRNCMP(ptr, CRYPT_MAGIC, CRYPT_MAGIC_LEN) == 0)
|
|
|
2443 {
|
|
|
2444 if (cryptkey == NULL)
|
|
|
2445 {
|
|
|
2446 if (*curbuf->b_p_key)
|
|
|
2447 cryptkey = curbuf->b_p_key;
|
|
|
2448 else
|
|
|
2449 {
|
|
|
2450 /* When newfile is TRUE, store the typed key
|
|
|
2451 * in the 'key' option and don't free it. */
|
|
|
2452 cryptkey = get_crypt_key(newfile, FALSE);
|
|
|
2453 /* check if empty key entered */
|
|
|
2454 if (cryptkey != NULL && *cryptkey == NUL)
|
|
|
2455 {
|
|
|
2456 if (cryptkey != curbuf->b_p_key)
|
|
|
2457 vim_free(cryptkey);
|
|
|
2458 cryptkey = NULL;
|
|
|
2459 }
|
|
|
2460 }
|
|
|
2461 }
|
|
|
2462
|
|
|
2463 if (cryptkey != NULL)
|
|
|
2464 {
|
|
|
2465 crypt_init_keys(cryptkey);
|
|
|
2466
|
|
|
2467 /* Remove magic number from the text */
|
|
|
2468 *filesizep += CRYPT_MAGIC_LEN;
|
|
|
2469 *sizep -= CRYPT_MAGIC_LEN;
|
|
|
2470 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN, (size_t)*sizep);
|
|
|
2471 }
|
|
|
2472 }
|
|
|
2473 /* When starting to edit a new file which does not have
|
|
|
2474 * encryption, clear the 'key' option, except when
|
|
|
2475 * starting up (called with -x argument) */
|
|
|
2476 else if (newfile && *curbuf->b_p_key && !starting)
|
|
|
2477 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL);
|
|
|
2478
|
|
|
2479 return cryptkey;
|
|
|
2480 }
|
|
|
2481 #endif
|
|
|
2482
|
|
|
2483 #ifdef UNIX
|
|
|
2484 static void
|
|
|
2485 set_file_time(fname, atime, mtime)
|
|
|
2486 char_u *fname;
|
|
|
2487 time_t atime; /* access time */
|
|
|
2488 time_t mtime; /* modification time */
|
|
|
2489 {
|
|
|
2490 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
|
|
|
2491 struct utimbuf buf;
|
|
|
2492
|
|
|
2493 buf.actime = atime;
|
|
|
2494 buf.modtime = mtime;
|
|
|
2495 (void)utime((char *)fname, &buf);
|
|
|
2496 # else
|
|
|
2497 # if defined(HAVE_UTIMES)
|
|
|
2498 struct timeval tvp[2];
|
|
|
2499
|
|
|
2500 tvp[0].tv_sec = atime;
|
|
|
2501 tvp[0].tv_usec = 0;
|
|
|
2502 tvp[1].tv_sec = mtime;
|
|
|
2503 tvp[1].tv_usec = 0;
|
|
|
2504 # ifdef NeXT
|
|
|
2505 (void)utimes((char *)fname, tvp);
|
|
|
2506 # else
|
|
|
2507 (void)utimes((char *)fname, (const struct timeval *)&tvp);
|
|
|
2508 # endif
|
|
|
2509 # endif
|
|
|
2510 # endif
|
|
|
2511 }
|
|
|
2512 #endif /* UNIX */
|
|
|
2513
|
|
|
2514 /*
|
|
|
2515 * buf_write() - write to file 'fname' lines 'start' through 'end'
|
|
|
2516 *
|
|
|
2517 * We do our own buffering here because fwrite() is so slow.
|
|
|
2518 *
|
|
|
2519 * If forceit is true, we don't care for errors when attempting backups (jw).
|
|
|
2520 * In case of an error everything possible is done to restore the original file.
|
|
|
2521 * But when forceit is TRUE, we risk loosing it.
|
|
|
2522 * When reset_changed is TRUE and start == 1 and end ==
|
|
|
2523 * curbuf->b_ml.ml_line_count, reset curbuf->b_changed.
|
|
|
2524 *
|
|
|
2525 * This function must NOT use NameBuff (because it's called by autowrite()).
|
|
|
2526 *
|
|
|
2527 * return FAIL for failure, OK otherwise
|
|
|
2528 */
|
|
|
2529 int
|
|
|
2530 buf_write(buf, fname, sfname, start, end, eap, append, forceit,
|
|
|
2531 reset_changed, filtering)
|
|
|
2532 buf_T *buf;
|
|
|
2533 char_u *fname;
|
|
|
2534 char_u *sfname;
|
|
|
2535 linenr_T start, end;
|
|
|
2536 exarg_T *eap; /* for forced 'ff' and 'fenc', can be
|
|
|
2537 NULL! */
|
|
|
2538 int append;
|
|
|
2539 int forceit;
|
|
|
2540 int reset_changed;
|
|
|
2541 int filtering;
|
|
|
2542 {
|
|
|
2543 int fd;
|
|
|
2544 char_u *backup = NULL;
|
|
|
2545 int backup_copy = FALSE; /* copy the original file? */
|
|
|
2546 int dobackup;
|
|
|
2547 char_u *ffname;
|
|
|
2548 char_u *wfname = NULL; /* name of file to write to */
|
|
|
2549 char_u *s;
|
|
|
2550 char_u *ptr;
|
|
|
2551 char_u c;
|
|
|
2552 int len;
|
|
|
2553 linenr_T lnum;
|
|
|
2554 long nchars;
|
|
|
2555 char_u *errmsg = NULL;
|
|
|
2556 char_u *errnum = NULL;
|
|
|
2557 char_u *buffer;
|
|
|
2558 char_u smallbuf[SMBUFSIZE];
|
|
|
2559 char_u *backup_ext;
|
|
|
2560 int bufsize;
|
|
|
2561 long perm; /* file permissions */
|
|
|
2562 int retval = OK;
|
|
|
2563 int newfile = FALSE; /* TRUE if file doesn't exist yet */
|
|
|
2564 int msg_save = msg_scroll;
|
|
|
2565 int overwriting; /* TRUE if writing over original */
|
|
|
2566 int no_eol = FALSE; /* no end-of-line written */
|
|
|
2567 int device = FALSE; /* writing to a device */
|
|
|
2568 struct stat st_old;
|
|
|
2569 int prev_got_int = got_int;
|
|
|
2570 int file_readonly = FALSE; /* overwritten file is read-only */
|
|
|
2571 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')";
|
|
|
2572 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */
|
|
|
2573 int made_writable = FALSE; /* 'w' bit has been set */
|
|
|
2574 #endif
|
|
|
2575 /* writing everything */
|
|
|
2576 int whole = (start == 1 && end == buf->b_ml.ml_line_count);
|
|
|
2577 #ifdef FEAT_AUTOCMD
|
|
|
2578 linenr_T old_line_count = buf->b_ml.ml_line_count;
|
|
|
2579 #endif
|
|
|
2580 int attr;
|
|
|
2581 int fileformat;
|
|
|
2582 int write_bin;
|
|
|
2583 struct bw_info write_info; /* info for buf_write_bytes() */
|
|
|
2584 #ifdef FEAT_MBYTE
|
|
|
2585 int converted = FALSE;
|
|
|
2586 int notconverted = FALSE;
|
|
|
2587 char_u *fenc; /* effective 'fileencoding' */
|
|
|
2588 char_u *fenc_tofree = NULL; /* allocated "fenc" */
|
|
|
2589 #endif
|
|
|
2590 #ifdef HAS_BW_FLAGS
|
|
|
2591 int wb_flags = 0;
|
|
|
2592 #endif
|
|
|
2593 #ifdef HAVE_ACL
|
|
|
2594 vim_acl_T acl = NULL; /* ACL copied from original file to
|
|
|
2595 backup or new file */
|
|
|
2596 #endif
|
|
|
2597
|
|
|
2598 if (fname == NULL || *fname == NUL) /* safety check */
|
|
|
2599 return FAIL;
|
|
|
2600
|
|
|
2601 /*
|
|
|
2602 * Disallow writing from .exrc and .vimrc in current directory for
|
|
|
2603 * security reasons.
|
|
|
2604 */
|
|
|
2605 if (check_secure())
|
|
|
2606 return FAIL;
|
|
|
2607
|
|
|
2608 /* Avoid a crash for a long name. */
|
|
|
2609 if (STRLEN(fname) >= MAXPATHL)
|
|
|
2610 {
|
|
|
2611 EMSG(_(e_longname));
|
|
|
2612 return FAIL;
|
|
|
2613 }
|
|
|
2614
|
|
|
2615 #ifdef FEAT_MBYTE
|
|
|
2616 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */
|
|
|
2617 write_info.bw_conv_buf = NULL;
|
|
|
2618 write_info.bw_conv_error = FALSE;
|
|
|
2619 write_info.bw_restlen = 0;
|
|
|
2620 # ifdef USE_ICONV
|
|
|
2621 write_info.bw_iconv_fd = (iconv_t)-1;
|
|
|
2622 # endif
|
|
|
2623 #endif
|
|
|
2624
|
|
|
2625 /*
|
|
|
2626 * If there is no file name yet, use the one for the written file.
|
|
|
2627 * BF_NOTEDITED is set to reflect this (in case the write fails).
|
|
|
2628 * Don't do this when the write is for a filter command.
|
|
|
2629 * Only do this when 'cpoptions' contains the 'f' flag.
|
|
|
2630 */
|
|
|
2631 if (reset_changed
|
|
|
2632 && whole
|
|
|
2633 && buf == curbuf
|
|
|
2634 && curbuf->b_ffname == NULL
|
|
|
2635 && !filtering
|
|
|
2636 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL)
|
|
|
2637 {
|
|
|
2638 #ifdef FEAT_AUTOCMD
|
|
|
2639 /* It's like the unnamed buffer is deleted.... */
|
|
|
2640 if (curbuf->b_p_bl)
|
|
|
2641 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf);
|
|
|
2642 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf);
|
|
|
2643 #ifdef FEAT_EVAL
|
|
|
2644 if (aborting()) /* autocmds may abort script processing */
|
|
|
2645 return FAIL;
|
|
|
2646 #endif
|
|
|
2647 #endif
|
|
|
2648 if (setfname(curbuf, fname, sfname, FALSE) == OK)
|
|
|
2649 curbuf->b_flags |= BF_NOTEDITED;
|
|
|
2650 #ifdef FEAT_AUTOCMD
|
|
|
2651 /* ....and a new named one is created */
|
|
|
2652 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf);
|
|
|
2653 if (curbuf->b_p_bl)
|
|
|
2654 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf);
|
|
|
2655 #endif
|
|
|
2656 }
|
|
|
2657
|
|
|
2658 if (sfname == NULL)
|
|
|
2659 sfname = fname;
|
|
|
2660 /*
|
|
|
2661 * For Unix: Use the short file name whenever possible.
|
|
|
2662 * Avoids problems with networks and when directory names are changed.
|
|
|
2663 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
|
|
|
2664 * another directory, which we don't detect
|
|
|
2665 */
|
|
|
2666 ffname = fname; /* remember full fname */
|
|
|
2667 #ifdef UNIX
|
|
|
2668 fname = sfname;
|
|
|
2669 #endif
|
|
|
2670
|
|
|
2671 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0)
|
|
|
2672 overwriting = TRUE;
|
|
|
2673 else
|
|
|
2674 overwriting = FALSE;
|
|
|
2675
|
|
|
2676 if (exiting)
|
|
|
2677 settmode(TMODE_COOK); /* when exiting allow typahead now */
|
|
|
2678
|
|
|
2679 ++no_wait_return; /* don't wait for return yet */
|
|
|
2680
|
|
|
2681 /*
|
|
|
2682 * Set '[ and '] marks to the lines to be written.
|
|
|
2683 */
|
|
|
2684 buf->b_op_start.lnum = start;
|
|
|
2685 buf->b_op_start.col = 0;
|
|
|
2686 buf->b_op_end.lnum = end;
|
|
|
2687 buf->b_op_end.col = 0;
|
|
|
2688
|
|
|
2689 #ifdef FEAT_AUTOCMD
|
|
|
2690 {
|
|
|
2691 aco_save_T aco;
|
|
|
2692 int buf_ffname = FALSE;
|
|
|
2693 int buf_sfname = FALSE;
|
|
|
2694 int buf_fname_f = FALSE;
|
|
|
2695 int buf_fname_s = FALSE;
|
|
|
2696 int did_cmd = FALSE;
|
|
17
|
2697 int nofile_err = FALSE;
|
|
7
|
2698
|
|
|
2699 /*
|
|
|
2700 * Apply PRE aucocommands.
|
|
|
2701 * Set curbuf to the buffer to be written.
|
|
|
2702 * Careful: The autocommands may call buf_write() recursively!
|
|
|
2703 */
|
|
|
2704 if (ffname == buf->b_ffname)
|
|
|
2705 buf_ffname = TRUE;
|
|
|
2706 if (sfname == buf->b_sfname)
|
|
|
2707 buf_sfname = TRUE;
|
|
|
2708 if (fname == buf->b_ffname)
|
|
|
2709 buf_fname_f = TRUE;
|
|
|
2710 if (fname == buf->b_sfname)
|
|
|
2711 buf_fname_s = TRUE;
|
|
|
2712
|
|
|
2713 /* set curwin/curbuf to buf and save a few things */
|
|
|
2714 aucmd_prepbuf(&aco, buf);
|
|
|
2715
|
|
|
2716 if (append)
|
|
|
2717 {
|
|
|
2718 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD,
|
|
|
2719 sfname, sfname, FALSE, curbuf, eap)))
|
|
17
|
2720 {
|
|
18
|
2721 if (overwriting && bt_nofile(curbuf))
|
|
17
|
2722 nofile_err = TRUE;
|
|
|
2723 else
|
|
|
2724 apply_autocmds_exarg(EVENT_FILEAPPENDPRE,
|
|
7
|
2725 sfname, sfname, FALSE, curbuf, eap);
|
|
17
|
2726 }
|
|
7
|
2727 }
|
|
|
2728 else if (filtering)
|
|
|
2729 {
|
|
|
2730 apply_autocmds_exarg(EVENT_FILTERWRITEPRE,
|
|
|
2731 NULL, sfname, FALSE, curbuf, eap);
|
|
|
2732 }
|
|
|
2733 else if (reset_changed && whole)
|
|
|
2734 {
|
|
|
2735 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD,
|
|
|
2736 sfname, sfname, FALSE, curbuf, eap)))
|
|
17
|
2737 {
|
|
|
2738 if (bt_nofile(curbuf))
|
|
|
2739 nofile_err = TRUE;
|
|
|
2740 else
|
|
|
2741 apply_autocmds_exarg(EVENT_BUFWRITEPRE,
|
|
7
|
2742 sfname, sfname, FALSE, curbuf, eap);
|
|
17
|
2743 }
|
|
7
|
2744 }
|
|
|
2745 else
|
|
|
2746 {
|
|
|
2747 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD,
|
|
|
2748 sfname, sfname, FALSE, curbuf, eap)))
|
|
17
|
2749 {
|
|
|
2750 if (bt_nofile(curbuf))
|
|
|
2751 nofile_err = TRUE;
|
|
|
2752 else
|
|
|
2753 apply_autocmds_exarg(EVENT_FILEWRITEPRE,
|
|
7
|
2754 sfname, sfname, FALSE, curbuf, eap);
|
|
17
|
2755 }
|
|
7
|
2756 }
|
|
|
2757
|
|
|
2758 /* restore curwin/curbuf and a few other things */
|
|
|
2759 aucmd_restbuf(&aco);
|
|
|
2760
|
|
|
2761 /*
|
|
|
2762 * In three situations we return here and don't write the file:
|
|
|
2763 * 1. the autocommands deleted or unloaded the buffer.
|
|
|
2764 * 2. The autocommands abort script processing.
|
|
|
2765 * 3. If one of the "Cmd" autocommands was executed.
|
|
|
2766 */
|
|
|
2767 if (!buf_valid(buf))
|
|
|
2768 buf = NULL;
|
|
17
|
2769 if (buf == NULL || buf->b_ml.ml_mfp == NULL
|
|
|
2770 || did_cmd || nofile_err || aborting())
|
|
7
|
2771 {
|
|
|
2772 --no_wait_return;
|
|
|
2773 msg_scroll = msg_save;
|
|
17
|
2774 if (nofile_err)
|
|
|
2775 EMSG(_("E676: No matching autocommands for acwrite buffer"));
|
|
|
2776
|
|
|
2777 if (aborting() || nofile_err)
|
|
7
|
2778 /* An aborting error, interrupt or exception in the
|
|
|
2779 * autocommands. */
|
|
|
2780 return FAIL;
|
|
|
2781 if (did_cmd)
|
|
|
2782 {
|
|
|
2783 if (buf == NULL)
|
|
|
2784 /* The buffer was deleted. We assume it was written
|
|
|
2785 * (can't retry anyway). */
|
|
|
2786 return OK;
|
|
|
2787 if (overwriting)
|
|
|
2788 {
|
|
|
2789 /* Assume the buffer was written, update the timestamp. */
|
|
|
2790 ml_timestamp(buf);
|
|
|
2791 buf->b_flags &= ~BF_WRITE_MASK;
|
|
|
2792 }
|
|
|
2793 if (reset_changed && buf->b_changed)
|
|
|
2794 /* Buffer still changed, the autocommands didn't work
|
|
|
2795 * properly. */
|
|
|
2796 return FAIL;
|
|
|
2797 return OK;
|
|
|
2798 }
|
|
|
2799 #ifdef FEAT_EVAL
|
|
|
2800 if (!aborting())
|
|
|
2801 #endif
|
|
|
2802 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written"));
|
|
|
2803 return FAIL;
|
|
|
2804 }
|
|
|
2805
|
|
|
2806 /*
|
|
|
2807 * The autocommands may have changed the number of lines in the file.
|
|
|
2808 * When writing the whole file, adjust the end.
|
|
|
2809 * When writing part of the file, assume that the autocommands only
|
|
|
2810 * changed the number of lines that are to be written (tricky!).
|
|
|
2811 */
|
|
|
2812 if (buf->b_ml.ml_line_count != old_line_count)
|
|
|
2813 {
|
|
|
2814 if (whole) /* write all */
|
|
|
2815 end = buf->b_ml.ml_line_count;
|
|
|
2816 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */
|
|
|
2817 end += buf->b_ml.ml_line_count - old_line_count;
|
|
|
2818 else /* less lines */
|
|
|
2819 {
|
|
|
2820 end -= old_line_count - buf->b_ml.ml_line_count;
|
|
|
2821 if (end < start)
|
|
|
2822 {
|
|
|
2823 --no_wait_return;
|
|
|
2824 msg_scroll = msg_save;
|
|
|
2825 EMSG(_("E204: Autocommand changed number of lines in unexpected way"));
|
|
|
2826 return FAIL;
|
|
|
2827 }
|
|
|
2828 }
|
|
|
2829 }
|
|
|
2830
|
|
|
2831 /*
|
|
|
2832 * The autocommands may have changed the name of the buffer, which may
|
|
|
2833 * be kept in fname, ffname and sfname.
|
|
|
2834 */
|
|
|
2835 if (buf_ffname)
|
|
|
2836 ffname = buf->b_ffname;
|
|
|
2837 if (buf_sfname)
|
|
|
2838 sfname = buf->b_sfname;
|
|
|
2839 if (buf_fname_f)
|
|
|
2840 fname = buf->b_ffname;
|
|
|
2841 if (buf_fname_s)
|
|
|
2842 fname = buf->b_sfname;
|
|
|
2843 }
|
|
|
2844 #endif
|
|
|
2845
|
|
|
2846 #ifdef FEAT_NETBEANS_INTG
|
|
|
2847 if (usingNetbeans && isNetbeansBuffer(buf))
|
|
|
2848 {
|
|
|
2849 if (whole)
|
|
|
2850 {
|
|
|
2851 /*
|
|
|
2852 * b_changed can be 0 after an undo, but we still need to write
|
|
|
2853 * the buffer to NetBeans.
|
|
|
2854 */
|
|
|
2855 if (buf->b_changed || isNetbeansModified(buf))
|
|
|
2856 {
|
|
|
2857 netbeans_save_buffer(buf);
|
|
|
2858 return retval;
|
|
|
2859 }
|
|
|
2860 else
|
|
|
2861 {
|
|
|
2862 errnum = (char_u *)"E656: ";
|
|
|
2863 errmsg = (char_u *)_("NetBeans dissallows writes of unmodified buffers");
|
|
|
2864 buffer = NULL;
|
|
|
2865 goto fail;
|
|
|
2866 }
|
|
|
2867 }
|
|
|
2868 else
|
|
|
2869 {
|
|
|
2870 errnum = (char_u *)"E657: ";
|
|
|
2871 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers");
|
|
|
2872 buffer = NULL;
|
|
|
2873 goto fail;
|
|
|
2874 }
|
|
|
2875 }
|
|
|
2876 #endif
|
|
|
2877
|
|
|
2878 if (shortmess(SHM_OVER) && !exiting)
|
|
|
2879 msg_scroll = FALSE; /* overwrite previous file message */
|
|
|
2880 else
|
|
|
2881 msg_scroll = TRUE; /* don't overwrite previous file message */
|
|
|
2882 if (!filtering)
|
|
|
2883 filemess(buf,
|
|
|
2884 #ifndef UNIX
|
|
|
2885 sfname,
|
|
|
2886 #else
|
|
|
2887 fname,
|
|
|
2888 #endif
|
|
|
2889 (char_u *)"", 0); /* show that we are busy */
|
|
|
2890 msg_scroll = FALSE; /* always overwrite the file message now */
|
|
|
2891
|
|
|
2892 buffer = alloc(BUFSIZE);
|
|
|
2893 if (buffer == NULL) /* can't allocate big buffer, use small
|
|
|
2894 * one (to be able to write when out of
|
|
|
2895 * memory) */
|
|
|
2896 {
|
|
|
2897 buffer = smallbuf;
|
|
|
2898 bufsize = SMBUFSIZE;
|
|
|
2899 }
|
|
|
2900 else
|
|
|
2901 bufsize = BUFSIZE;
|
|
|
2902
|
|
|
2903 /*
|
|
|
2904 * Get information about original file (if there is one).
|
|
|
2905 */
|
|
|
2906 #if defined(UNIX) && !defined(ARCHIE)
|
|
|
2907 st_old.st_dev = st_old.st_ino = 0;
|
|
|
2908 perm = -1;
|
|
|
2909 if (mch_stat((char *)fname, &st_old) < 0)
|
|
|
2910 newfile = TRUE;
|
|
|
2911 else
|
|
|
2912 {
|
|
|
2913 perm = st_old.st_mode;
|
|
|
2914 if (!S_ISREG(st_old.st_mode)) /* not a file */
|
|
|
2915 {
|
|
|
2916 if (S_ISDIR(st_old.st_mode))
|
|
|
2917 {
|
|
|
2918 errnum = (char_u *)"E502: ";
|
|
|
2919 errmsg = (char_u *)_("is a directory");
|
|
|
2920 goto fail;
|
|
|
2921 }
|
|
|
2922 if (mch_nodetype(fname) != NODE_WRITABLE)
|
|
|
2923 {
|
|
|
2924 errnum = (char_u *)"E503: ";
|
|
|
2925 errmsg = (char_u *)_("is not a file or writable device");
|
|
|
2926 goto fail;
|
|
|
2927 }
|
|
|
2928 /* It's a device of some kind (or a fifo) which we can write to
|
|
|
2929 * but for which we can't make a backup. */
|
|
|
2930 device = TRUE;
|
|
|
2931 newfile = TRUE;
|
|
|
2932 perm = -1;
|
|
|
2933 }
|
|
|
2934 }
|
|
|
2935 #else /* !UNIX */
|
|
|
2936 /*
|
|
|
2937 * Check for a writable device name.
|
|
|
2938 */
|
|
|
2939 c = mch_nodetype(fname);
|
|
|
2940 if (c == NODE_OTHER)
|
|
|
2941 {
|
|
|
2942 errnum = (char_u *)"E503: ";
|
|
|
2943 errmsg = (char_u *)_("is not a file or writable device");
|
|
|
2944 goto fail;
|
|
|
2945 }
|
|
|
2946 if (c == NODE_WRITABLE)
|
|
|
2947 {
|
|
|
2948 device = TRUE;
|
|
|
2949 newfile = TRUE;
|
|
|
2950 perm = -1;
|
|
|
2951 }
|
|
|
2952 else
|
|
|
2953 {
|
|
|
2954 perm = mch_getperm(fname);
|
|
|
2955 if (perm < 0)
|
|
|
2956 newfile = TRUE;
|
|
|
2957 else if (mch_isdir(fname))
|
|
|
2958 {
|
|
|
2959 errnum = (char_u *)"E502: ";
|
|
|
2960 errmsg = (char_u *)_("is a directory");
|
|
|
2961 goto fail;
|
|
|
2962 }
|
|
|
2963 if (overwriting)
|
|
|
2964 (void)mch_stat((char *)fname, &st_old);
|
|
|
2965 }
|
|
|
2966 #endif /* !UNIX */
|
|
|
2967
|
|
|
2968 if (!device && !newfile)
|
|
|
2969 {
|
|
|
2970 /*
|
|
|
2971 * Check if the file is really writable (when renaming the file to
|
|
|
2972 * make a backup we won't discover it later).
|
|
|
2973 */
|
|
|
2974 file_readonly = (
|
|
|
2975 # ifdef USE_MCH_ACCESS
|
|
|
2976 # ifdef UNIX
|
|
|
2977 (perm & 0222) == 0 ||
|
|
|
2978 # endif
|
|
|
2979 mch_access((char *)fname, W_OK)
|
|
|
2980 # else
|
|
|
2981 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0
|
|
|
2982 ? TRUE : (close(fd), FALSE)
|
|
|
2983 # endif
|
|
|
2984 );
|
|
|
2985 if (!forceit && file_readonly)
|
|
|
2986 {
|
|
|
2987 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL)
|
|
|
2988 {
|
|
|
2989 errnum = (char_u *)"E504: ";
|
|
|
2990 errmsg = (char_u *)_(err_readonly);
|
|
|
2991 }
|
|
|
2992 else
|
|
|
2993 {
|
|
|
2994 errnum = (char_u *)"E505: ";
|
|
|
2995 errmsg = (char_u *)_("is read-only (add ! to override)");
|
|
|
2996 }
|
|
|
2997 goto fail;
|
|
|
2998 }
|
|
|
2999
|
|
|
3000 /*
|
|
|
3001 * Check if the timestamp hasn't changed since reading the file.
|
|
|
3002 */
|
|
|
3003 if (overwriting)
|
|
|
3004 {
|
|
|
3005 retval = check_mtime(buf, &st_old);
|
|
|
3006 if (retval == FAIL)
|
|
|
3007 goto fail;
|
|
|
3008 }
|
|
|
3009 }
|
|
|
3010
|
|
|
3011 #ifdef HAVE_ACL
|
|
|
3012 /*
|
|
|
3013 * For systems that support ACL: get the ACL from the original file.
|
|
|
3014 */
|
|
|
3015 if (!newfile)
|
|
|
3016 acl = mch_get_acl(fname);
|
|
|
3017 #endif
|
|
|
3018
|
|
|
3019 /*
|
|
|
3020 * If 'backupskip' is not empty, don't make a backup for some files.
|
|
|
3021 */
|
|
|
3022 dobackup = (p_wb || p_bk || *p_pm != NUL);
|
|
|
3023 #ifdef FEAT_WILDIGN
|
|
|
3024 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname))
|
|
|
3025 dobackup = FALSE;
|
|
|
3026 #endif
|
|
|
3027
|
|
|
3028 /*
|
|
|
3029 * Save the value of got_int and reset it. We don't want a previous
|
|
|
3030 * interruption cancel writing, only hitting CTRL-C while writing should
|
|
|
3031 * abort it.
|
|
|
3032 */
|
|
|
3033 prev_got_int = got_int;
|
|
|
3034 got_int = FALSE;
|
|
|
3035
|
|
|
3036 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */
|
|
|
3037 buf->b_saving = TRUE;
|
|
|
3038
|
|
|
3039 /*
|
|
|
3040 * If we are not appending or filtering, the file exists, and the
|
|
|
3041 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup.
|
|
|
3042 * When 'patchmode' is set also make a backup when appending.
|
|
|
3043 *
|
|
|
3044 * Do not make any backup, if 'writebackup' and 'backup' are both switched
|
|
|
3045 * off. This helps when editing large files on almost-full disks.
|
|
|
3046 */
|
|
|
3047 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup)
|
|
|
3048 {
|
|
|
3049 #if defined(UNIX) || defined(WIN32)
|
|
|
3050 struct stat st;
|
|
|
3051 #endif
|
|
|
3052
|
|
|
3053 if ((bkc_flags & BKC_YES) || append) /* "yes" */
|
|
|
3054 backup_copy = TRUE;
|
|
|
3055 #if defined(UNIX) || defined(WIN32)
|
|
|
3056 else if ((bkc_flags & BKC_AUTO)) /* "auto" */
|
|
|
3057 {
|
|
|
3058 int i;
|
|
|
3059
|
|
|
3060 # ifdef UNIX
|
|
|
3061 /*
|
|
|
3062 * Don't rename the file when:
|
|
|
3063 * - it's a hard link
|
|
|
3064 * - it's a symbolic link
|
|
|
3065 * - we don't have write permission in the directory
|
|
|
3066 * - we can't set the owner/group of the new file
|
|
|
3067 */
|
|
|
3068 if (st_old.st_nlink > 1
|
|
|
3069 || mch_lstat((char *)fname, &st) < 0
|
|
|
3070 || st.st_dev != st_old.st_dev
|
|
|
3071 || st.st_ino != st_old.st_ino)
|
|
|
3072 backup_copy = TRUE;
|
|
|
3073 else
|
|
|
3074 # endif
|
|
|
3075 {
|
|
|
3076 /*
|
|
|
3077 * Check if we can create a file and set the owner/group to
|
|
|
3078 * the ones from the original file.
|
|
|
3079 * First find a file name that doesn't exist yet (use some
|
|
|
3080 * arbitrary numbers).
|
|
|
3081 */
|
|
|
3082 STRCPY(IObuff, fname);
|
|
|
3083 for (i = 4913; ; i += 123)
|
|
|
3084 {
|
|
|
3085 sprintf((char *)gettail(IObuff), "%d", i);
|
|
|
3086 if (mch_stat((char *)IObuff, &st) < 0)
|
|
|
3087 break;
|
|
|
3088 }
|
|
|
3089 fd = mch_open((char *)IObuff, O_CREAT|O_WRONLY|O_EXCL, perm);
|
|
|
3090 close(fd);
|
|
|
3091 if (fd < 0) /* can't write in directory */
|
|
|
3092 backup_copy = TRUE;
|
|
|
3093 else
|
|
|
3094 {
|
|
|
3095 # ifdef UNIX
|
|
|
3096 chown((char *)IObuff, st_old.st_uid, st_old.st_gid);
|
|
|
3097 (void)mch_setperm(IObuff, perm);
|
|
|
3098 if (mch_stat((char *)IObuff, &st) < 0
|
|
|
3099 || st.st_uid != st_old.st_uid
|
|
|
3100 || st.st_gid != st_old.st_gid
|
|
|
3101 || st.st_mode != perm)
|
|
|
3102 backup_copy = TRUE;
|
|
|
3103 # endif
|
|
|
3104 mch_remove(IObuff);
|
|
|
3105 }
|
|
|
3106 }
|
|
|
3107 }
|
|
|
3108
|
|
|
3109 # ifdef UNIX
|
|
|
3110 /*
|
|
|
3111 * Break symlinks and/or hardlinks if we've been asked to.
|
|
|
3112 */
|
|
|
3113 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK))
|
|
|
3114 {
|
|
|
3115 int lstat_res;
|
|
|
3116
|
|
|
3117 lstat_res = mch_lstat((char *)fname, &st);
|
|
|
3118
|
|
|
3119 /* Symlinks. */
|
|
|
3120 if ((bkc_flags & BKC_BREAKSYMLINK)
|
|
|
3121 && lstat_res == 0
|
|
|
3122 && st.st_ino != st_old.st_ino)
|
|
|
3123 backup_copy = FALSE;
|
|
|
3124
|
|
|
3125 /* Hardlinks. */
|
|
|
3126 if ((bkc_flags & BKC_BREAKHARDLINK)
|
|
|
3127 && st_old.st_nlink > 1
|
|
|
3128 && (lstat_res != 0 || st.st_ino == st_old.st_ino))
|
|
|
3129 backup_copy = FALSE;
|
|
|
3130 }
|
|
|
3131 #endif
|
|
|
3132
|
|
|
3133 #endif
|
|
|
3134
|
|
|
3135 /* make sure we have a valid backup extension to use */
|
|
|
3136 if (*p_bex == NUL)
|
|
|
3137 {
|
|
|
3138 #ifdef RISCOS
|
|
|
3139 backup_ext = (char_u *)"/bak";
|
|
|
3140 #else
|
|
|
3141 backup_ext = (char_u *)".bak";
|
|
|
3142 #endif
|
|
|
3143 }
|
|
|
3144 else
|
|
|
3145 backup_ext = p_bex;
|
|
|
3146
|
|
|
3147 if (backup_copy
|
|
|
3148 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0)
|
|
|
3149 {
|
|
|
3150 int bfd;
|
|
|
3151 char_u *copybuf, *wp;
|
|
|
3152 int some_error = FALSE;
|
|
|
3153 struct stat st_new;
|
|
|
3154 char_u *dirp;
|
|
|
3155 char_u *rootname;
|
|
|
3156 #ifndef SHORT_FNAME
|
|
|
3157 int did_set_shortname;
|
|
|
3158 #endif
|
|
|
3159
|
|
|
3160 copybuf = alloc(BUFSIZE + 1);
|
|
|
3161 if (copybuf == NULL)
|
|
|
3162 {
|
|
|
3163 some_error = TRUE; /* out of memory */
|
|
|
3164 goto nobackup;
|
|
|
3165 }
|
|
|
3166
|
|
|
3167 /*
|
|
|
3168 * Try to make the backup in each directory in the 'bdir' option.
|
|
|
3169 *
|
|
|
3170 * Unix semantics has it, that we may have a writable file,
|
|
|
3171 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g:
|
|
|
3172 * - the directory is not writable,
|
|
|
3173 * - the file may be a symbolic link,
|
|
|
3174 * - the file may belong to another user/group, etc.
|
|
|
3175 *
|
|
|
3176 * For these reasons, the existing writable file must be truncated
|
|
|
3177 * and reused. Creation of a backup COPY will be attempted.
|
|
|
3178 */
|
|
|
3179 dirp = p_bdir;
|
|
|
3180 while (*dirp)
|
|
|
3181 {
|
|
|
3182 #ifdef UNIX
|
|
|
3183 st_new.st_ino = 0;
|
|
|
3184 st_new.st_dev = 0;
|
|
|
3185 st_new.st_gid = 0;
|
|
|
3186 #endif
|
|
|
3187
|
|
|
3188 /*
|
|
|
3189 * Isolate one directory name, using an entry in 'bdir'.
|
|
|
3190 */
|
|
|
3191 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ",");
|
|
|
3192 rootname = get_file_in_dir(fname, copybuf);
|
|
|
3193 if (rootname == NULL)
|
|
|
3194 {
|
|
|
3195 some_error = TRUE; /* out of memory */
|
|
|
3196 goto nobackup;
|
|
|
3197 }
|
|
|
3198
|
|
|
3199 #ifndef SHORT_FNAME
|
|
|
3200 did_set_shortname = FALSE;
|
|
|
3201 #endif
|
|
|
3202
|
|
|
3203 /*
|
|
|
3204 * May try twice if 'shortname' not set.
|
|
|
3205 */
|
|
|
3206 for (;;)
|
|
|
3207 {
|
|
|
3208 /*
|
|
|
3209 * Make backup file name.
|
|
|
3210 */
|
|
|
3211 backup = buf_modname(
|
|
|
3212 #ifdef SHORT_FNAME
|
|
|
3213 TRUE,
|
|
|
3214 #else
|
|
|
3215 (buf->b_p_sn || buf->b_shortname),
|
|
|
3216 #endif
|
|
|
3217 rootname, backup_ext, FALSE);
|
|
|
3218 if (backup == NULL)
|
|
|
3219 {
|
|
|
3220 vim_free(rootname);
|
|
|
3221 some_error = TRUE; /* out of memory */
|
|
|
3222 goto nobackup;
|
|
|
3223 }
|
|
|
3224
|
|
|
3225 /*
|
|
|
3226 * Check if backup file already exists.
|
|
|
3227 */
|
|
|
3228 if (mch_stat((char *)backup, &st_new) >= 0)
|
|
|
3229 {
|
|
|
3230 #ifdef UNIX
|
|
|
3231 /*
|
|
|
3232 * Check if backup file is same as original file.
|
|
|
3233 * May happen when modname() gave the same file back.
|
|
|
3234 * E.g. silly link, or file name-length reached.
|
|
|
3235 * If we don't check here, we either ruin the file
|
|
|
3236 * when copying or erase it after writing. jw.
|
|
|
3237 */
|
|
|
3238 if (st_new.st_dev == st_old.st_dev
|
|
|
3239 && st_new.st_ino == st_old.st_ino)
|
|
|
3240 {
|
|
|
3241 vim_free(backup);
|
|
|
3242 backup = NULL; /* no backup file to delete */
|
|
|
3243 # ifndef SHORT_FNAME
|
|
|
3244 /*
|
|
|
3245 * may try again with 'shortname' set
|
|
|
3246 */
|
|
|
3247 if (!(buf->b_shortname || buf->b_p_sn))
|
|
|
3248 {
|
|
|
3249 buf->b_shortname = TRUE;
|
|
|
3250 did_set_shortname = TRUE;
|
|
|
3251 continue;
|
|
|
3252 }
|
|
|
3253 /* setting shortname didn't help */
|
|
|
3254 if (did_set_shortname)
|
|
|
3255 buf->b_shortname = FALSE;
|
|
|
3256 # endif
|
|
|
3257 break;
|
|
|
3258 }
|
|
|
3259 #endif
|
|
|
3260
|
|
|
3261 /*
|
|
|
3262 * If we are not going to keep the backup file, don't
|
|
|
3263 * delete an existing one, try to use another name.
|
|
|
3264 * Change one character, just before the extension.
|
|
|
3265 */
|
|
|
3266 if (!p_bk)
|
|
|
3267 {
|
|
|
3268 wp = backup + STRLEN(backup) - 1
|
|
|
3269 - STRLEN(backup_ext);
|
|
|
3270 if (wp < backup) /* empty file name ??? */
|
|
|
3271 wp = backup;
|
|
|
3272 *wp = 'z';
|
|
|
3273 while (*wp > 'a'
|
|
|
3274 && mch_stat((char *)backup, &st_new) >= 0)
|
|
|
3275 --*wp;
|
|
|
3276 /* They all exist??? Must be something wrong. */
|
|
|
3277 if (*wp == 'a')
|
|
|
3278 {
|
|
|
3279 vim_free(backup);
|
|
|
3280 backup = NULL;
|
|
|
3281 }
|
|
|
3282 }
|
|
|
3283 }
|
|
|
3284 break;
|
|
|
3285 }
|
|
|
3286 vim_free(rootname);
|
|
|
3287
|
|
|
3288 /*
|
|
|
3289 * Try to create the backup file
|
|
|
3290 */
|
|
|
3291 if (backup != NULL)
|
|
|
3292 {
|
|
|
3293 /* remove old backup, if present */
|
|
|
3294 mch_remove(backup);
|
|
|
3295 /* Open with O_EXCL to avoid the file being created while
|
|
|
3296 * we were sleeping (symlink hacker attack?) */
|
|
|
3297 bfd = mch_open((char *)backup,
|
|
|
3298 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL, 0666);
|
|
|
3299 if (bfd < 0)
|
|
|
3300 {
|
|
|
3301 vim_free(backup);
|
|
|
3302 backup = NULL;
|
|
|
3303 }
|
|
|
3304 else
|
|
|
3305 {
|
|
|
3306 /* set file protection same as original file, but
|
|
|
3307 * strip s-bit */
|
|
|
3308 (void)mch_setperm(backup, perm & 0777);
|
|
|
3309
|
|
|
3310 #ifdef UNIX
|
|
|
3311 /*
|
|
|
3312 * Try to set the group of the backup same as the
|
|
|
3313 * original file. If this fails, set the protection
|
|
|
3314 * bits for the group same as the protection bits for
|
|
|
3315 * others.
|
|
|
3316 */
|
|
|
3317 if (st_new.st_gid != st_old.st_gid &&
|
|
|
3318 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */
|
|
|
3319 fchown(bfd, (uid_t)-1, st_old.st_gid) != 0
|
|
|
3320 # else
|
|
|
3321 chown((char *)backup, (uid_t)-1, st_old.st_gid) != 0
|
|
|
3322 # endif
|
|
|
3323 )
|
|
|
3324 mch_setperm(backup,
|
|
|
3325 (perm & 0707) | ((perm & 07) << 3));
|
|
|
3326 #endif
|
|
|
3327
|
|
|
3328 /*
|
|
|
3329 * copy the file.
|
|
|
3330 */
|
|
|
3331 write_info.bw_fd = bfd;
|
|
|
3332 write_info.bw_buf = copybuf;
|
|
|
3333 #ifdef HAS_BW_FLAGS
|
|
|
3334 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
3335 #endif
|
|
|
3336 while ((write_info.bw_len = vim_read(fd, copybuf,
|
|
|
3337 BUFSIZE)) > 0)
|
|
|
3338 {
|
|
|
3339 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3340 {
|
|
|
3341 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)");
|
|
|
3342 break;
|
|
|
3343 }
|
|
|
3344 ui_breakcheck();
|
|
|
3345 if (got_int)
|
|
|
3346 {
|
|
|
3347 errmsg = (char_u *)_(e_interr);
|
|
|
3348 break;
|
|
|
3349 }
|
|
|
3350 }
|
|
|
3351
|
|
|
3352 if (close(bfd) < 0 && errmsg == NULL)
|
|
|
3353 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)");
|
|
|
3354 if (write_info.bw_len < 0)
|
|
|
3355 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)");
|
|
|
3356 #ifdef UNIX
|
|
|
3357 set_file_time(backup, st_old.st_atime, st_old.st_mtime);
|
|
|
3358 #endif
|
|
|
3359 #ifdef HAVE_ACL
|
|
|
3360 mch_set_acl(backup, acl);
|
|
|
3361 #endif
|
|
|
3362 break;
|
|
|
3363 }
|
|
|
3364 }
|
|
|
3365 }
|
|
|
3366 nobackup:
|
|
|
3367 close(fd); /* ignore errors for closing read file */
|
|
|
3368 vim_free(copybuf);
|
|
|
3369
|
|
|
3370 if (backup == NULL && errmsg == NULL)
|
|
|
3371 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)");
|
|
|
3372 /* ignore errors when forceit is TRUE */
|
|
|
3373 if ((some_error || errmsg != NULL) && !forceit)
|
|
|
3374 {
|
|
|
3375 retval = FAIL;
|
|
|
3376 goto fail;
|
|
|
3377 }
|
|
|
3378 errmsg = NULL;
|
|
|
3379 }
|
|
|
3380 else
|
|
|
3381 {
|
|
|
3382 char_u *dirp;
|
|
|
3383 char_u *p;
|
|
|
3384 char_u *rootname;
|
|
|
3385
|
|
|
3386 /*
|
|
|
3387 * Make a backup by renaming the original file.
|
|
|
3388 */
|
|
|
3389 /*
|
|
|
3390 * If 'cpoptions' includes the "W" flag, we don't want to
|
|
|
3391 * overwrite a read-only file. But rename may be possible
|
|
|
3392 * anyway, thus we need an extra check here.
|
|
|
3393 */
|
|
|
3394 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL)
|
|
|
3395 {
|
|
|
3396 errnum = (char_u *)"E504: ";
|
|
|
3397 errmsg = (char_u *)_(err_readonly);
|
|
|
3398 goto fail;
|
|
|
3399 }
|
|
|
3400
|
|
|
3401 /*
|
|
|
3402 *
|
|
|
3403 * Form the backup file name - change path/fo.o.h to
|
|
|
3404 * path/fo.o.h.bak Try all directories in 'backupdir', first one
|
|
|
3405 * that works is used.
|
|
|
3406 */
|
|
|
3407 dirp = p_bdir;
|
|
|
3408 while (*dirp)
|
|
|
3409 {
|
|
|
3410 /*
|
|
|
3411 * Isolate one directory name and make the backup file name.
|
|
|
3412 */
|
|
|
3413 (void)copy_option_part(&dirp, IObuff, IOSIZE, ",");
|
|
|
3414 rootname = get_file_in_dir(fname, IObuff);
|
|
|
3415 if (rootname == NULL)
|
|
|
3416 backup = NULL;
|
|
|
3417 else
|
|
|
3418 {
|
|
|
3419 backup = buf_modname(
|
|
|
3420 #ifdef SHORT_FNAME
|
|
|
3421 TRUE,
|
|
|
3422 #else
|
|
|
3423 (buf->b_p_sn || buf->b_shortname),
|
|
|
3424 #endif
|
|
|
3425 rootname, backup_ext, FALSE);
|
|
|
3426 vim_free(rootname);
|
|
|
3427 }
|
|
|
3428
|
|
|
3429 if (backup != NULL)
|
|
|
3430 {
|
|
|
3431 /*
|
|
|
3432 * If we are not going to keep the backup file, don't
|
|
|
3433 * delete an existing one, try to use another name.
|
|
|
3434 * Change one character, just before the extension.
|
|
|
3435 */
|
|
|
3436 if (!p_bk && mch_getperm(backup) >= 0)
|
|
|
3437 {
|
|
|
3438 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext);
|
|
|
3439 if (p < backup) /* empty file name ??? */
|
|
|
3440 p = backup;
|
|
|
3441 *p = 'z';
|
|
|
3442 while (*p > 'a' && mch_getperm(backup) >= 0)
|
|
|
3443 --*p;
|
|
|
3444 /* They all exist??? Must be something wrong! */
|
|
|
3445 if (*p == 'a')
|
|
|
3446 {
|
|
|
3447 vim_free(backup);
|
|
|
3448 backup = NULL;
|
|
|
3449 }
|
|
|
3450 }
|
|
|
3451 }
|
|
|
3452 if (backup != NULL)
|
|
|
3453 {
|
|
|
3454
|
|
|
3455 /*
|
|
|
3456 * Delete any existing backup and move the current version to
|
|
|
3457 * the backup. For safety, we don't remove the backup until
|
|
|
3458 * the write has finished successfully. And if the 'backup'
|
|
|
3459 * option is set, leave it around.
|
|
|
3460 */
|
|
|
3461 /*
|
|
|
3462 * If the renaming of the original file to the backup file
|
|
|
3463 * works, quit here.
|
|
|
3464 */
|
|
|
3465 if (vim_rename(fname, backup) == 0)
|
|
|
3466 break;
|
|
|
3467
|
|
|
3468 vim_free(backup); /* don't do the rename below */
|
|
|
3469 backup = NULL;
|
|
|
3470 }
|
|
|
3471 }
|
|
|
3472 if (backup == NULL && !forceit)
|
|
|
3473 {
|
|
|
3474 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)");
|
|
|
3475 goto fail;
|
|
|
3476 }
|
|
|
3477 }
|
|
|
3478 }
|
|
|
3479
|
|
|
3480 #if defined(UNIX) && !defined(ARCHIE)
|
|
|
3481 /* When using ":w!" and the file was read-only: make it writable */
|
|
|
3482 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid()
|
|
|
3483 && vim_strchr(p_cpo, CPO_FWRITE) == NULL)
|
|
|
3484 {
|
|
|
3485 perm |= 0200;
|
|
|
3486 (void)mch_setperm(fname, perm);
|
|
|
3487 made_writable = TRUE;
|
|
|
3488 }
|
|
|
3489 #endif
|
|
|
3490
|
|
|
3491 /* When using ":w!" and writing to the current file, readonly makes no
|
|
|
3492 * sense, reset it */
|
|
|
3493 if (forceit && overwriting)
|
|
|
3494 {
|
|
|
3495 buf->b_p_ro = FALSE;
|
|
|
3496 #ifdef FEAT_TITLE
|
|
|
3497 need_maketitle = TRUE; /* set window title later */
|
|
|
3498 #endif
|
|
|
3499 #ifdef FEAT_WINDOWS
|
|
|
3500 status_redraw_all(); /* redraw status lines later */
|
|
|
3501 #endif
|
|
|
3502 }
|
|
|
3503
|
|
|
3504 if (end > buf->b_ml.ml_line_count)
|
|
|
3505 end = buf->b_ml.ml_line_count;
|
|
|
3506 if (buf->b_ml.ml_flags & ML_EMPTY)
|
|
|
3507 start = end + 1;
|
|
|
3508
|
|
|
3509 /*
|
|
|
3510 * If the original file is being overwritten, there is a small chance that
|
|
|
3511 * we crash in the middle of writing. Therefore the file is preserved now.
|
|
|
3512 * This makes all block numbers positive so that recovery does not need
|
|
|
3513 * the original file.
|
|
|
3514 * Don't do this if there is a backup file and we are exiting.
|
|
|
3515 */
|
|
|
3516 if (reset_changed && !newfile && !otherfile(ffname)
|
|
|
3517 && !(exiting && backup != NULL))
|
|
|
3518 {
|
|
|
3519 ml_preserve(buf, FALSE);
|
|
|
3520 if (got_int)
|
|
|
3521 {
|
|
|
3522 errmsg = (char_u *)_(e_interr);
|
|
|
3523 goto restore_backup;
|
|
|
3524 }
|
|
|
3525 }
|
|
|
3526
|
|
|
3527 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
3528 /*
|
|
|
3529 * Before risking to lose the original file verify if there's
|
|
|
3530 * a resource fork to preserve, and if cannot be done warn
|
|
|
3531 * the users. This happens when overwriting without backups.
|
|
|
3532 */
|
|
|
3533 if (backup == NULL && overwriting && !append)
|
|
|
3534 if (mch_has_resource_fork(fname))
|
|
|
3535 {
|
|
|
3536 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)");
|
|
|
3537 goto restore_backup;
|
|
|
3538 }
|
|
|
3539 #endif
|
|
|
3540
|
|
|
3541 #ifdef VMS
|
|
|
3542 vms_remove_version(fname); /* remove version */
|
|
|
3543 #endif
|
|
|
3544 /* Default: write the the file directly. May write to a temp file for
|
|
|
3545 * multi-byte conversion. */
|
|
|
3546 wfname = fname;
|
|
|
3547
|
|
|
3548 #ifdef FEAT_MBYTE
|
|
|
3549 /* Check for forced 'fileencoding' from "++opt=val" argument. */
|
|
|
3550 if (eap != NULL && eap->force_enc != 0)
|
|
|
3551 {
|
|
|
3552 fenc = eap->cmd + eap->force_enc;
|
|
|
3553 fenc = enc_canonize(fenc);
|
|
|
3554 fenc_tofree = fenc;
|
|
|
3555 }
|
|
|
3556 else
|
|
|
3557 fenc = buf->b_p_fenc;
|
|
|
3558
|
|
|
3559 /*
|
|
|
3560 * The file needs to be converted when 'fileencoding' is set and
|
|
|
3561 * 'fileencoding' differs from 'encoding'.
|
|
|
3562 */
|
|
|
3563 converted = (*fenc != NUL && !same_encoding(p_enc, fenc));
|
|
|
3564
|
|
|
3565 /*
|
|
|
3566 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or
|
|
|
3567 * Latin1 to Unicode conversion. This is handled in buf_write_bytes().
|
|
|
3568 * Prepare the flags for it and allocate bw_conv_buf when needed.
|
|
|
3569 */
|
|
|
3570 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0))
|
|
|
3571 {
|
|
|
3572 wb_flags = get_fio_flags(fenc);
|
|
|
3573 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8))
|
|
|
3574 {
|
|
|
3575 /* Need to allocate a buffer to translate into. */
|
|
|
3576 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8))
|
|
|
3577 write_info.bw_conv_buflen = bufsize * 2;
|
|
|
3578 else /* FIO_UCS4 */
|
|
|
3579 write_info.bw_conv_buflen = bufsize * 4;
|
|
|
3580 write_info.bw_conv_buf
|
|
|
3581 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3582 if (write_info.bw_conv_buf == NULL)
|
|
|
3583 end = 0;
|
|
|
3584 }
|
|
|
3585 }
|
|
|
3586
|
|
|
3587 # ifdef WIN3264
|
|
|
3588 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0)
|
|
|
3589 {
|
|
|
3590 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */
|
|
|
3591 write_info.bw_conv_buflen = bufsize * 4;
|
|
|
3592 write_info.bw_conv_buf
|
|
|
3593 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3594 if (write_info.bw_conv_buf == NULL)
|
|
|
3595 end = 0;
|
|
|
3596 }
|
|
|
3597 # endif
|
|
|
3598
|
|
|
3599 # ifdef MACOS_X
|
|
|
3600 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0)
|
|
|
3601 {
|
|
|
3602 write_info.bw_conv_buflen = bufsize * 3;
|
|
|
3603 write_info.bw_conv_buf
|
|
|
3604 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3605 if (write_info.bw_conv_buf == NULL)
|
|
|
3606 end = 0;
|
|
|
3607 }
|
|
|
3608 # endif
|
|
|
3609
|
|
|
3610 # if defined(FEAT_EVAL) || defined(USE_ICONV)
|
|
|
3611 if (converted && wb_flags == 0)
|
|
|
3612 {
|
|
|
3613 # ifdef USE_ICONV
|
|
|
3614 /*
|
|
|
3615 * Use iconv() conversion when conversion is needed and it's not done
|
|
|
3616 * internally.
|
|
|
3617 */
|
|
|
3618 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc,
|
|
|
3619 enc_utf8 ? (char_u *)"utf-8" : p_enc);
|
|
|
3620 if (write_info.bw_iconv_fd != (iconv_t)-1)
|
|
|
3621 {
|
|
|
3622 /* We're going to use iconv(), allocate a buffer to convert in. */
|
|
|
3623 write_info.bw_conv_buflen = bufsize * ICONV_MULT;
|
|
|
3624 write_info.bw_conv_buf
|
|
|
3625 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3626 if (write_info.bw_conv_buf == NULL)
|
|
|
3627 end = 0;
|
|
|
3628 write_info.bw_first = TRUE;
|
|
|
3629 }
|
|
|
3630 # ifdef FEAT_EVAL
|
|
|
3631 else
|
|
|
3632 # endif
|
|
|
3633 # endif
|
|
|
3634
|
|
|
3635 # ifdef FEAT_EVAL
|
|
|
3636 /*
|
|
|
3637 * When the file needs to be converted with 'charconvert' after
|
|
|
3638 * writing, write to a temp file instead and let the conversion
|
|
|
3639 * overwrite the original file.
|
|
|
3640 */
|
|
|
3641 if (*p_ccv != NUL)
|
|
|
3642 {
|
|
|
3643 wfname = vim_tempname('w');
|
|
|
3644 if (wfname == NULL) /* Can't write without a tempfile! */
|
|
|
3645 {
|
|
|
3646 errmsg = (char_u *)_("E214: Can't find temp file for writing");
|
|
|
3647 goto restore_backup;
|
|
|
3648 }
|
|
|
3649 }
|
|
|
3650 # endif
|
|
|
3651 }
|
|
|
3652 # endif
|
|
|
3653 if (converted && wb_flags == 0
|
|
|
3654 # ifdef USE_ICONV
|
|
|
3655 && write_info.bw_iconv_fd == (iconv_t)-1
|
|
|
3656 # endif
|
|
|
3657 # ifdef FEAT_EVAL
|
|
|
3658 && wfname == fname
|
|
|
3659 # endif
|
|
|
3660 )
|
|
|
3661 {
|
|
|
3662 if (!forceit)
|
|
|
3663 {
|
|
|
3664 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)");
|
|
|
3665 goto restore_backup;
|
|
|
3666 }
|
|
|
3667 notconverted = TRUE;
|
|
|
3668 }
|
|
|
3669 #endif
|
|
|
3670
|
|
|
3671 /*
|
|
|
3672 * Open the file "wfname" for writing.
|
|
|
3673 * We may try to open the file twice: If we can't write to the
|
|
|
3674 * file and forceit is TRUE we delete the existing file and try to create
|
|
|
3675 * a new one. If this still fails we may have lost the original file!
|
|
|
3676 * (this may happen when the user reached his quotum for number of files).
|
|
|
3677 * Appending will fail if the file does not exist and forceit is FALSE.
|
|
|
3678 */
|
|
|
3679 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append
|
|
|
3680 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND)
|
|
|
3681 : (O_CREAT | O_TRUNC))
|
|
|
3682 , 0666)) < 0)
|
|
|
3683 {
|
|
|
3684 /*
|
|
|
3685 * A forced write will try to create a new file if the old one is
|
|
|
3686 * still readonly. This may also happen when the directory is
|
|
|
3687 * read-only. In that case the mch_remove() will fail.
|
|
|
3688 */
|
|
|
3689 if (errmsg == NULL)
|
|
|
3690 {
|
|
|
3691 #ifdef UNIX
|
|
|
3692 struct stat st;
|
|
|
3693
|
|
|
3694 /* Don't delete the file when it's a hard or symbolic link. */
|
|
|
3695 if ((!newfile && st_old.st_nlink > 1)
|
|
|
3696 || (mch_lstat((char *)fname, &st) == 0
|
|
|
3697 && (st.st_dev != st_old.st_dev
|
|
|
3698 || st.st_ino != st_old.st_ino)))
|
|
|
3699 errmsg = (char_u *)_("E166: Can't open linked file for writing");
|
|
|
3700 else
|
|
|
3701 #endif
|
|
|
3702 {
|
|
|
3703 errmsg = (char_u *)_("E212: Can't open file for writing");
|
|
|
3704 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL
|
|
|
3705 && perm >= 0)
|
|
|
3706 {
|
|
|
3707 #ifdef UNIX
|
|
|
3708 /* we write to the file, thus it should be marked
|
|
|
3709 writable after all */
|
|
|
3710 if (!(perm & 0200))
|
|
|
3711 made_writable = TRUE;
|
|
|
3712 perm |= 0200;
|
|
|
3713 if (st_old.st_uid != getuid() || st_old.st_gid != getgid())
|
|
|
3714 perm &= 0777;
|
|
|
3715 #endif
|
|
|
3716 if (!append) /* don't remove when appending */
|
|
|
3717 mch_remove(wfname);
|
|
|
3718 continue;
|
|
|
3719 }
|
|
|
3720 }
|
|
|
3721 }
|
|
|
3722
|
|
|
3723 restore_backup:
|
|
|
3724 {
|
|
|
3725 struct stat st;
|
|
|
3726
|
|
|
3727 /*
|
|
|
3728 * If we failed to open the file, we don't need a backup. Throw it
|
|
|
3729 * away. If we moved or removed the original file try to put the
|
|
|
3730 * backup in its place.
|
|
|
3731 */
|
|
|
3732 if (backup != NULL && wfname == fname)
|
|
|
3733 {
|
|
|
3734 if (backup_copy)
|
|
|
3735 {
|
|
|
3736 /*
|
|
|
3737 * There is a small chance that we removed the original,
|
|
|
3738 * try to move the copy in its place.
|
|
|
3739 * This may not work if the vim_rename() fails.
|
|
|
3740 * In that case we leave the copy around.
|
|
|
3741 */
|
|
|
3742 /* If file does not exist, put the copy in its place */
|
|
|
3743 if (mch_stat((char *)fname, &st) < 0)
|
|
|
3744 vim_rename(backup, fname);
|
|
|
3745 /* if original file does exist throw away the copy */
|
|
|
3746 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
3747 mch_remove(backup);
|
|
|
3748 }
|
|
|
3749 else
|
|
|
3750 {
|
|
|
3751 /* try to put the original file back */
|
|
|
3752 vim_rename(backup, fname);
|
|
|
3753 }
|
|
|
3754 }
|
|
|
3755
|
|
|
3756 /* if original file no longer exists give an extra warning */
|
|
|
3757 if (!newfile && mch_stat((char *)fname, &st) < 0)
|
|
|
3758 end = 0;
|
|
|
3759 }
|
|
|
3760
|
|
|
3761 #ifdef FEAT_MBYTE
|
|
|
3762 if (wfname != fname)
|
|
|
3763 vim_free(wfname);
|
|
|
3764 #endif
|
|
|
3765 goto fail;
|
|
|
3766 }
|
|
|
3767 errmsg = NULL;
|
|
|
3768
|
|
|
3769 #if defined(MACOS_CLASSIC) || defined(WIN3264)
|
|
|
3770 /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
3771 /*
|
|
|
3772 * On macintosh copy the original files attributes (i.e. the backup)
|
|
|
3773 * This is done in order to preserve the ressource fork and the
|
|
|
3774 * Finder attribute (label, comments, custom icons, file creatore)
|
|
|
3775 */
|
|
|
3776 if (backup != NULL && overwriting && !append)
|
|
|
3777 {
|
|
|
3778 if (backup_copy)
|
|
|
3779 (void)mch_copy_file_attribute(wfname, backup);
|
|
|
3780 else
|
|
|
3781 (void)mch_copy_file_attribute(backup, wfname);
|
|
|
3782 }
|
|
|
3783
|
|
|
3784 if (!overwriting && !append)
|
|
|
3785 {
|
|
|
3786 if (buf->b_ffname != NULL)
|
|
|
3787 (void)mch_copy_file_attribute(buf->b_ffname, wfname);
|
|
|
3788 /* Should copy ressource fork */
|
|
|
3789 }
|
|
|
3790 #endif
|
|
|
3791
|
|
|
3792 write_info.bw_fd = fd;
|
|
|
3793
|
|
|
3794 #ifdef FEAT_CRYPT
|
|
|
3795 if (*buf->b_p_key && !filtering)
|
|
|
3796 {
|
|
|
3797 crypt_init_keys(buf->b_p_key);
|
|
|
3798 /* Write magic number, so that Vim knows that this file is encrypted
|
|
|
3799 * when reading it again. This also undergoes utf-8 to ucs-2/4
|
|
|
3800 * conversion when needed. */
|
|
|
3801 write_info.bw_buf = (char_u *)CRYPT_MAGIC;
|
|
|
3802 write_info.bw_len = CRYPT_MAGIC_LEN;
|
|
|
3803 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
3804 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3805 end = 0;
|
|
|
3806 wb_flags |= FIO_ENCRYPTED;
|
|
|
3807 }
|
|
|
3808 #endif
|
|
|
3809
|
|
|
3810 write_info.bw_buf = buffer;
|
|
|
3811 nchars = 0;
|
|
|
3812
|
|
|
3813 /* use "++bin", "++nobin" or 'binary' */
|
|
|
3814 if (eap != NULL && eap->force_bin != 0)
|
|
|
3815 write_bin = (eap->force_bin == FORCE_BIN);
|
|
|
3816 else
|
|
|
3817 write_bin = buf->b_p_bin;
|
|
|
3818
|
|
|
3819 #ifdef FEAT_MBYTE
|
|
|
3820 /*
|
|
|
3821 * The BOM is written just after the encryption magic number.
|
|
|
3822 */
|
|
|
3823 if (buf->b_p_bomb && !write_bin)
|
|
|
3824 {
|
|
|
3825 write_info.bw_len = make_bom(buffer, fenc);
|
|
|
3826 if (write_info.bw_len > 0)
|
|
|
3827 {
|
|
|
3828 /* don't convert, do encryption */
|
|
|
3829 write_info.bw_flags = FIO_NOCONVERT | wb_flags;
|
|
|
3830 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3831 end = 0;
|
|
|
3832 else
|
|
|
3833 nchars += write_info.bw_len;
|
|
|
3834 }
|
|
|
3835 }
|
|
|
3836 #endif
|
|
|
3837
|
|
|
3838 write_info.bw_len = bufsize;
|
|
|
3839 #ifdef HAS_BW_FLAGS
|
|
|
3840 write_info.bw_flags = wb_flags;
|
|
|
3841 #endif
|
|
|
3842 fileformat = get_fileformat_force(buf, eap);
|
|
|
3843 s = buffer;
|
|
|
3844 len = 0;
|
|
|
3845 for (lnum = start; lnum <= end; ++lnum)
|
|
|
3846 {
|
|
|
3847 /*
|
|
|
3848 * The next while loop is done once for each character written.
|
|
|
3849 * Keep it fast!
|
|
|
3850 */
|
|
|
3851 ptr = ml_get_buf(buf, lnum, FALSE) - 1;
|
|
|
3852 while ((c = *++ptr) != NUL)
|
|
|
3853 {
|
|
|
3854 if (c == NL)
|
|
|
3855 *s = NUL; /* replace newlines with NULs */
|
|
|
3856 else if (c == CAR && fileformat == EOL_MAC)
|
|
|
3857 *s = NL; /* Mac: replace CRs with NLs */
|
|
|
3858 else
|
|
|
3859 *s = c;
|
|
|
3860 ++s;
|
|
|
3861 if (++len != bufsize)
|
|
|
3862 continue;
|
|
|
3863 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3864 {
|
|
|
3865 end = 0; /* write error: break loop */
|
|
|
3866 break;
|
|
|
3867 }
|
|
|
3868 nchars += bufsize;
|
|
|
3869 s = buffer;
|
|
|
3870 len = 0;
|
|
|
3871 }
|
|
|
3872 /* write failed or last line has no EOL: stop here */
|
|
|
3873 if (end == 0
|
|
|
3874 || (lnum == end
|
|
|
3875 && write_bin
|
|
|
3876 && (lnum == write_no_eol_lnum
|
|
|
3877 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol))))
|
|
|
3878 {
|
|
|
3879 ++lnum; /* written the line, count it */
|
|
|
3880 no_eol = TRUE;
|
|
|
3881 break;
|
|
|
3882 }
|
|
|
3883 if (fileformat == EOL_UNIX)
|
|
|
3884 *s++ = NL;
|
|
|
3885 else
|
|
|
3886 {
|
|
|
3887 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */
|
|
|
3888 if (fileformat == EOL_DOS) /* write CR-NL */
|
|
|
3889 {
|
|
|
3890 if (++len == bufsize)
|
|
|
3891 {
|
|
|
3892 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3893 {
|
|
|
3894 end = 0; /* write error: break loop */
|
|
|
3895 break;
|
|
|
3896 }
|
|
|
3897 nchars += bufsize;
|
|
|
3898 s = buffer;
|
|
|
3899 len = 0;
|
|
|
3900 }
|
|
|
3901 *s++ = NL;
|
|
|
3902 }
|
|
|
3903 }
|
|
|
3904 if (++len == bufsize && end)
|
|
|
3905 {
|
|
|
3906 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3907 {
|
|
|
3908 end = 0; /* write error: break loop */
|
|
|
3909 break;
|
|
|
3910 }
|
|
|
3911 nchars += bufsize;
|
|
|
3912 s = buffer;
|
|
|
3913 len = 0;
|
|
|
3914
|
|
|
3915 ui_breakcheck();
|
|
|
3916 if (got_int)
|
|
|
3917 {
|
|
|
3918 end = 0; /* Interrupted, break loop */
|
|
|
3919 break;
|
|
|
3920 }
|
|
|
3921 }
|
|
|
3922 #ifdef VMS
|
|
|
3923 /*
|
|
|
3924 * On VMS there is a problem: newlines get added when writing blocks
|
|
|
3925 * at a time. Fix it by writing a line at a time.
|
|
|
3926 * This is much slower!
|
|
|
3927 * Explanation: Vim can not handle, so far, variable record format.
|
|
|
3928 * With $analize/rms filename you can get the rms file structure, and
|
|
|
3929 * if the Record format filed is variable, CR will be added after
|
|
|
3930 * every written buffer. In other cases it works without this fix.
|
|
|
3931 * From other side read is about 5 times slower for "variable record
|
|
|
3932 * format" files.
|
|
|
3933 */
|
|
|
3934 if (buf->b_fab_rfm == FAB$C_VAR)
|
|
|
3935 {
|
|
|
3936 write_info.bw_len = len;
|
|
|
3937 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3938 {
|
|
|
3939 end = 0; /* write error: break loop */
|
|
|
3940 break;
|
|
|
3941 }
|
|
|
3942 write_info.bw_len = bufsize;
|
|
|
3943 nchars += len;
|
|
|
3944 s = buffer;
|
|
|
3945 len = 0;
|
|
|
3946 }
|
|
|
3947 #endif
|
|
|
3948 }
|
|
|
3949 if (len > 0 && end > 0)
|
|
|
3950 {
|
|
|
3951 write_info.bw_len = len;
|
|
|
3952 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3953 end = 0; /* write error */
|
|
|
3954 nchars += len;
|
|
|
3955 }
|
|
|
3956
|
|
|
3957 #if defined(UNIX) && defined(HAVE_FSYNC)
|
|
|
3958 /* On many journalling file systems there is a bug that causes both the
|
|
|
3959 * original and the backup file to be lost when halting the system right
|
|
|
3960 * after writing the file. That's because only the meta-data is
|
|
|
3961 * journalled. Syncing the file slows down the system, but assures it has
|
|
10
|
3962 * been written to disk and we don't lose it.
|
|
|
3963 * For a device do try the fsync() but don't complain if it does not work
|
|
|
3964 * (could be a pipe). */
|
|
|
3965 if (fsync(fd) != 0 && !device)
|
|
7
|
3966 {
|
|
|
3967 errmsg = (char_u *)_("E667: Fsync failed");
|
|
|
3968 end = 0;
|
|
|
3969 }
|
|
|
3970 #endif
|
|
|
3971
|
|
|
3972 if (close(fd) != 0)
|
|
|
3973 {
|
|
|
3974 errmsg = (char_u *)_("E512: Close failed");
|
|
|
3975 end = 0;
|
|
|
3976 }
|
|
|
3977
|
|
|
3978 #ifdef UNIX
|
|
|
3979 if (made_writable)
|
|
|
3980 perm &= ~0200; /* reset 'w' bit for security reasons */
|
|
|
3981 #endif
|
|
|
3982 if (perm >= 0) /* set perm. of new file same as old file */
|
|
|
3983 (void)mch_setperm(wfname, perm);
|
|
|
3984 #ifdef RISCOS
|
|
|
3985 if (!append && !filtering)
|
|
|
3986 /* Set the filetype after writing the file. */
|
|
|
3987 mch_set_filetype(wfname, buf->b_p_oft);
|
|
|
3988 #endif
|
|
|
3989 #ifdef HAVE_ACL
|
|
|
3990 /* Probably need to set the ACL before changing the user (can't set the
|
|
|
3991 * ACL on a file the user doesn't own). */
|
|
|
3992 if (!backup_copy)
|
|
|
3993 mch_set_acl(wfname, acl);
|
|
|
3994 #endif
|
|
|
3995
|
|
|
3996 #ifdef UNIX
|
|
|
3997 /* When creating a new file, set its owner/group to that of the original
|
|
|
3998 * file. Get the new device and inode number. */
|
|
|
3999 if (backup != NULL && !backup_copy)
|
|
|
4000 {
|
|
|
4001 struct stat st;
|
|
|
4002
|
|
|
4003 /* don't change the owner when it's already OK, some systems remove
|
|
|
4004 * permission or ACL stuff */
|
|
|
4005 if (mch_stat((char *)wfname, &st) < 0
|
|
|
4006 || st.st_uid != st_old.st_uid
|
|
|
4007 || st.st_gid != st_old.st_gid)
|
|
|
4008 {
|
|
|
4009 chown((char *)wfname, st_old.st_uid, st_old.st_gid);
|
|
|
4010 if (perm >= 0) /* set permission again, may have changed */
|
|
|
4011 (void)mch_setperm(wfname, perm);
|
|
|
4012 }
|
|
|
4013 buf_setino(buf);
|
|
|
4014 }
|
|
|
4015 #endif
|
|
|
4016
|
|
|
4017
|
|
|
4018 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL)
|
|
|
4019 if (wfname != fname)
|
|
|
4020 {
|
|
|
4021 /*
|
|
|
4022 * The file was written to a temp file, now it needs to be converted
|
|
|
4023 * with 'charconvert' to (overwrite) the output file.
|
|
|
4024 */
|
|
|
4025 if (end != 0)
|
|
|
4026 {
|
|
|
4027 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc,
|
|
|
4028 wfname, fname) == FAIL)
|
|
|
4029 {
|
|
|
4030 write_info.bw_conv_error = TRUE;
|
|
|
4031 end = 0;
|
|
|
4032 }
|
|
|
4033 }
|
|
|
4034 mch_remove(wfname);
|
|
|
4035 vim_free(wfname);
|
|
|
4036 }
|
|
|
4037 #endif
|
|
|
4038
|
|
|
4039 if (end == 0)
|
|
|
4040 {
|
|
|
4041 if (errmsg == NULL)
|
|
|
4042 {
|
|
|
4043 #ifdef FEAT_MBYTE
|
|
|
4044 if (write_info.bw_conv_error)
|
|
|
4045 errmsg = (char_u *)_("E513: write error, conversion failed");
|
|
|
4046 else
|
|
|
4047 #endif
|
|
|
4048 if (got_int)
|
|
|
4049 errmsg = (char_u *)_(e_interr);
|
|
|
4050 else
|
|
|
4051 errmsg = (char_u *)_("E514: write error (file system full?)");
|
|
|
4052 }
|
|
|
4053
|
|
|
4054 /*
|
|
|
4055 * If we have a backup file, try to put it in place of the new file,
|
|
|
4056 * because the new file is probably corrupt. This avoids loosing the
|
|
|
4057 * original file when trying to make a backup when writing the file a
|
|
|
4058 * second time.
|
|
|
4059 * When "backup_copy" is set we need to copy the backup over the new
|
|
|
4060 * file. Otherwise rename the backup file.
|
|
|
4061 * If this is OK, don't give the extra warning message.
|
|
|
4062 */
|
|
|
4063 if (backup != NULL)
|
|
|
4064 {
|
|
|
4065 if (backup_copy)
|
|
|
4066 {
|
|
|
4067 /* This may take a while, if we were interrupted let the user
|
|
|
4068 * know we got the message. */
|
|
|
4069 if (got_int)
|
|
|
4070 {
|
|
|
4071 MSG(_(e_interr));
|
|
|
4072 out_flush();
|
|
|
4073 }
|
|
|
4074 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0)
|
|
|
4075 {
|
|
|
4076 if ((write_info.bw_fd = mch_open((char *)fname,
|
|
|
4077 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, 0666)) >= 0)
|
|
|
4078 {
|
|
|
4079 /* copy the file. */
|
|
|
4080 write_info.bw_buf = smallbuf;
|
|
|
4081 #ifdef HAS_BW_FLAGS
|
|
|
4082 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
4083 #endif
|
|
|
4084 while ((write_info.bw_len = vim_read(fd, smallbuf,
|
|
|
4085 SMBUFSIZE)) > 0)
|
|
|
4086 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
4087 break;
|
|
|
4088
|
|
|
4089 if (close(write_info.bw_fd) >= 0
|
|
|
4090 && write_info.bw_len == 0)
|
|
|
4091 end = 1; /* success */
|
|
|
4092 }
|
|
|
4093 close(fd); /* ignore errors for closing read file */
|
|
|
4094 }
|
|
|
4095 }
|
|
|
4096 else
|
|
|
4097 {
|
|
|
4098 if (vim_rename(backup, fname) == 0)
|
|
|
4099 end = 1;
|
|
|
4100 }
|
|
|
4101 }
|
|
|
4102 goto fail;
|
|
|
4103 }
|
|
|
4104
|
|
|
4105 lnum -= start; /* compute number of written lines */
|
|
|
4106 --no_wait_return; /* may wait for return now */
|
|
|
4107
|
|
|
4108 #if !(defined(UNIX) || defined(VMS))
|
|
|
4109 fname = sfname; /* use shortname now, for the messages */
|
|
|
4110 #endif
|
|
|
4111 if (!filtering)
|
|
|
4112 {
|
|
|
4113 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */
|
|
|
4114 c = FALSE;
|
|
|
4115 #ifdef FEAT_MBYTE
|
|
|
4116 if (write_info.bw_conv_error)
|
|
|
4117 {
|
|
|
4118 STRCAT(IObuff, _(" CONVERSION ERROR"));
|
|
|
4119 c = TRUE;
|
|
|
4120 }
|
|
|
4121 else if (notconverted)
|
|
|
4122 {
|
|
|
4123 STRCAT(IObuff, _("[NOT converted]"));
|
|
|
4124 c = TRUE;
|
|
|
4125 }
|
|
|
4126 else if (converted)
|
|
|
4127 {
|
|
|
4128 STRCAT(IObuff, _("[converted]"));
|
|
|
4129 c = TRUE;
|
|
|
4130 }
|
|
|
4131 #endif
|
|
|
4132 if (device)
|
|
|
4133 {
|
|
|
4134 STRCAT(IObuff, _("[Device]"));
|
|
|
4135 c = TRUE;
|
|
|
4136 }
|
|
|
4137 else if (newfile)
|
|
|
4138 {
|
|
|
4139 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]"));
|
|
|
4140 c = TRUE;
|
|
|
4141 }
|
|
|
4142 if (no_eol)
|
|
|
4143 {
|
|
|
4144 msg_add_eol();
|
|
|
4145 c = TRUE;
|
|
|
4146 }
|
|
|
4147 /* may add [unix/dos/mac] */
|
|
|
4148 if (msg_add_fileformat(fileformat))
|
|
|
4149 c = TRUE;
|
|
|
4150 #ifdef FEAT_CRYPT
|
|
|
4151 if (wb_flags & FIO_ENCRYPTED)
|
|
|
4152 {
|
|
|
4153 STRCAT(IObuff, _("[crypted]"));
|
|
|
4154 c = TRUE;
|
|
|
4155 }
|
|
|
4156 #endif
|
|
|
4157 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */
|
|
|
4158 if (!shortmess(SHM_WRITE))
|
|
|
4159 {
|
|
|
4160 if (append)
|
|
|
4161 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended"));
|
|
|
4162 else
|
|
|
4163 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written"));
|
|
|
4164 }
|
|
|
4165
|
|
|
4166 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0));
|
|
|
4167 keep_msg_attr = 0;
|
|
|
4168 }
|
|
|
4169
|
|
|
4170 if (reset_changed && whole
|
|
|
4171 #ifdef FEAT_MBYTE
|
|
|
4172 && !write_info.bw_conv_error
|
|
|
4173 #endif
|
|
|
4174 ) /* when written everything correctly */
|
|
|
4175 {
|
|
|
4176 unchanged(buf, TRUE);
|
|
|
4177 u_unchanged(buf);
|
|
|
4178 }
|
|
|
4179
|
|
|
4180 /*
|
|
|
4181 * If written to the current file, update the timestamp of the swap file
|
|
|
4182 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime.
|
|
|
4183 */
|
|
|
4184 if (overwriting)
|
|
|
4185 {
|
|
|
4186 ml_timestamp(buf);
|
|
|
4187 buf->b_flags &= ~BF_WRITE_MASK;
|
|
|
4188 }
|
|
|
4189
|
|
|
4190 /*
|
|
|
4191 * If we kept a backup until now, and we are in patch mode, then we make
|
|
|
4192 * the backup file our 'original' file.
|
|
|
4193 */
|
|
|
4194 if (*p_pm && dobackup)
|
|
|
4195 {
|
|
|
4196 char *org = (char *)buf_modname(
|
|
|
4197 #ifdef SHORT_FNAME
|
|
|
4198 TRUE,
|
|
|
4199 #else
|
|
|
4200 (buf->b_p_sn || buf->b_shortname),
|
|
|
4201 #endif
|
|
|
4202 fname, p_pm, FALSE);
|
|
|
4203
|
|
|
4204 if (backup != NULL)
|
|
|
4205 {
|
|
|
4206 struct stat st;
|
|
|
4207
|
|
|
4208 /*
|
|
|
4209 * If the original file does not exist yet
|
|
|
4210 * the current backup file becomes the original file
|
|
|
4211 */
|
|
|
4212 if (org == NULL)
|
|
|
4213 EMSG(_("E205: Patchmode: can't save original file"));
|
|
|
4214 else if (mch_stat(org, &st) < 0)
|
|
|
4215 {
|
|
|
4216 vim_rename(backup, (char_u *)org);
|
|
|
4217 vim_free(backup); /* don't delete the file */
|
|
|
4218 backup = NULL;
|
|
|
4219 #ifdef UNIX
|
|
|
4220 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime);
|
|
|
4221 #endif
|
|
|
4222 }
|
|
|
4223 }
|
|
|
4224 /*
|
|
|
4225 * If there is no backup file, remember that a (new) file was
|
|
|
4226 * created.
|
|
|
4227 */
|
|
|
4228 else
|
|
|
4229 {
|
|
|
4230 int empty_fd;
|
|
|
4231
|
|
|
4232 if (org == NULL
|
|
|
4233 || (empty_fd = mch_open(org, O_CREAT | O_EXTRA | O_EXCL,
|
|
|
4234 0666)) < 0)
|
|
|
4235 EMSG(_("E206: patchmode: can't touch empty original file"));
|
|
|
4236 else
|
|
|
4237 close(empty_fd);
|
|
|
4238 }
|
|
|
4239 if (org != NULL)
|
|
|
4240 {
|
|
|
4241 mch_setperm((char_u *)org, mch_getperm(fname) & 0777);
|
|
|
4242 vim_free(org);
|
|
|
4243 }
|
|
|
4244 }
|
|
|
4245
|
|
|
4246 /*
|
|
|
4247 * Remove the backup unless 'backup' option is set
|
|
|
4248 */
|
|
|
4249 if (!p_bk && backup != NULL && mch_remove(backup) != 0)
|
|
|
4250 EMSG(_("E207: Can't delete backup file"));
|
|
|
4251
|
|
|
4252 #ifdef FEAT_SUN_WORKSHOP
|
|
|
4253 if (usingSunWorkShop)
|
|
|
4254 workshop_file_saved((char *) ffname);
|
|
|
4255 #endif
|
|
|
4256
|
|
|
4257 goto nofail;
|
|
|
4258
|
|
|
4259 /*
|
|
|
4260 * Finish up. We get here either after failure or success.
|
|
|
4261 */
|
|
|
4262 fail:
|
|
|
4263 --no_wait_return; /* may wait for return now */
|
|
|
4264 nofail:
|
|
|
4265
|
|
|
4266 /* Done saving, we accept changed buffer warnings again */
|
|
|
4267 buf->b_saving = FALSE;
|
|
|
4268
|
|
|
4269 vim_free(backup);
|
|
|
4270 if (buffer != smallbuf)
|
|
|
4271 vim_free(buffer);
|
|
|
4272 #ifdef FEAT_MBYTE
|
|
|
4273 vim_free(fenc_tofree);
|
|
|
4274 vim_free(write_info.bw_conv_buf);
|
|
|
4275 # ifdef USE_ICONV
|
|
|
4276 if (write_info.bw_iconv_fd != (iconv_t)-1)
|
|
|
4277 {
|
|
|
4278 iconv_close(write_info.bw_iconv_fd);
|
|
|
4279 write_info.bw_iconv_fd = (iconv_t)-1;
|
|
|
4280 }
|
|
|
4281 # endif
|
|
|
4282 #endif
|
|
|
4283 #ifdef HAVE_ACL
|
|
|
4284 mch_free_acl(acl);
|
|
|
4285 #endif
|
|
|
4286
|
|
|
4287 if (errmsg != NULL)
|
|
|
4288 {
|
|
|
4289 int numlen = errnum != NULL ? STRLEN(errnum) : 0;
|
|
|
4290
|
|
|
4291 attr = hl_attr(HLF_E); /* set highlight for error messages */
|
|
|
4292 msg_add_fname(buf,
|
|
|
4293 #ifndef UNIX
|
|
|
4294 sfname
|
|
|
4295 #else
|
|
|
4296 fname
|
|
|
4297 #endif
|
|
|
4298 ); /* put file name in IObuff with quotes */
|
|
|
4299 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE)
|
|
|
4300 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL;
|
|
|
4301 /* If the error message has the form "is ...", put the error number in
|
|
|
4302 * front of the file name. */
|
|
|
4303 if (errnum != NULL)
|
|
|
4304 {
|
|
|
4305 mch_memmove(IObuff + numlen, IObuff, STRLEN(IObuff) + 1);
|
|
|
4306 mch_memmove(IObuff, errnum, (size_t)numlen);
|
|
|
4307 }
|
|
|
4308 STRCAT(IObuff, errmsg);
|
|
|
4309 emsg(IObuff);
|
|
|
4310
|
|
|
4311 retval = FAIL;
|
|
|
4312 if (end == 0)
|
|
|
4313 {
|
|
|
4314 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"),
|
|
|
4315 attr | MSG_HIST);
|
|
|
4316 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"),
|
|
|
4317 attr | MSG_HIST);
|
|
|
4318
|
|
|
4319 /* Update the timestamp to avoid an "overwrite changed file"
|
|
|
4320 * prompt when writing again. */
|
|
|
4321 if (mch_stat((char *)fname, &st_old) >= 0)
|
|
|
4322 {
|
|
|
4323 buf_store_time(buf, &st_old, fname);
|
|
|
4324 buf->b_mtime_read = buf->b_mtime;
|
|
|
4325 }
|
|
|
4326 }
|
|
|
4327 }
|
|
|
4328 msg_scroll = msg_save;
|
|
|
4329
|
|
|
4330 #ifdef FEAT_AUTOCMD
|
|
|
4331 #ifdef FEAT_EVAL
|
|
|
4332 if (!should_abort(retval))
|
|
|
4333 #else
|
|
|
4334 if (!got_int)
|
|
|
4335 #endif
|
|
|
4336 {
|
|
|
4337 aco_save_T aco;
|
|
|
4338
|
|
|
4339 write_no_eol_lnum = 0; /* in case it was set by the previous read */
|
|
|
4340
|
|
|
4341 /*
|
|
|
4342 * Apply POST autocommands.
|
|
|
4343 * Careful: The autocommands may call buf_write() recursively!
|
|
|
4344 */
|
|
|
4345 aucmd_prepbuf(&aco, buf);
|
|
|
4346
|
|
|
4347 if (append)
|
|
|
4348 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname,
|
|
|
4349 FALSE, curbuf, eap);
|
|
|
4350 else if (filtering)
|
|
|
4351 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname,
|
|
|
4352 FALSE, curbuf, eap);
|
|
|
4353 else if (reset_changed && whole)
|
|
|
4354 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname,
|
|
|
4355 FALSE, curbuf, eap);
|
|
|
4356 else
|
|
|
4357 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname,
|
|
|
4358 FALSE, curbuf, eap);
|
|
|
4359
|
|
|
4360 /* restore curwin/curbuf and a few other things */
|
|
|
4361 aucmd_restbuf(&aco);
|
|
|
4362
|
|
|
4363 #ifdef FEAT_EVAL
|
|
|
4364 if (aborting()) /* autocmds may abort script processing */
|
|
|
4365 retval = FALSE;
|
|
|
4366 #endif
|
|
|
4367 }
|
|
|
4368 #endif
|
|
|
4369
|
|
|
4370 got_int |= prev_got_int;
|
|
|
4371
|
|
|
4372 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
4373 /* Update machine specific information. */
|
|
|
4374 mch_post_buffer_write(buf);
|
|
|
4375 #endif
|
|
|
4376 return retval;
|
|
|
4377 }
|
|
|
4378
|
|
|
4379 /*
|
|
|
4380 * Put file name into IObuff with quotes.
|
|
|
4381 */
|
|
|
4382 static void
|
|
|
4383 msg_add_fname(buf, fname)
|
|
|
4384 buf_T *buf;
|
|
|
4385 char_u *fname;
|
|
|
4386 {
|
|
|
4387 if (fname == NULL)
|
|
|
4388 fname = (char_u *)"-stdin-";
|
|
|
4389 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE);
|
|
|
4390 IObuff[0] = '"';
|
|
|
4391 STRCAT(IObuff, "\" ");
|
|
|
4392 }
|
|
|
4393
|
|
|
4394 /*
|
|
|
4395 * Append message for text mode to IObuff.
|
|
|
4396 * Return TRUE if something appended.
|
|
|
4397 */
|
|
|
4398 static int
|
|
|
4399 msg_add_fileformat(eol_type)
|
|
|
4400 int eol_type;
|
|
|
4401 {
|
|
|
4402 #ifndef USE_CRNL
|
|
|
4403 if (eol_type == EOL_DOS)
|
|
|
4404 {
|
|
|
4405 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]"));
|
|
|
4406 return TRUE;
|
|
|
4407 }
|
|
|
4408 #endif
|
|
|
4409 #ifndef USE_CR
|
|
|
4410 if (eol_type == EOL_MAC)
|
|
|
4411 {
|
|
|
4412 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]"));
|
|
|
4413 return TRUE;
|
|
|
4414 }
|
|
|
4415 #endif
|
|
|
4416 #if defined(USE_CRNL) || defined(USE_CR)
|
|
|
4417 if (eol_type == EOL_UNIX)
|
|
|
4418 {
|
|
|
4419 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]"));
|
|
|
4420 return TRUE;
|
|
|
4421 }
|
|
|
4422 #endif
|
|
|
4423 return FALSE;
|
|
|
4424 }
|
|
|
4425
|
|
|
4426 /*
|
|
|
4427 * Append line and character count to IObuff.
|
|
|
4428 */
|
|
|
4429 static void
|
|
|
4430 msg_add_lines(insert_space, lnum, nchars)
|
|
|
4431 int insert_space;
|
|
|
4432 long lnum;
|
|
|
4433 long nchars;
|
|
|
4434 {
|
|
|
4435 char_u *p;
|
|
|
4436
|
|
|
4437 p = IObuff + STRLEN(IObuff);
|
|
|
4438
|
|
|
4439 if (insert_space)
|
|
|
4440 *p++ = ' ';
|
|
|
4441 if (shortmess(SHM_LINES))
|
|
|
4442 sprintf((char *)p, "%ldL, %ldC", lnum, nchars);
|
|
|
4443 else
|
|
|
4444 {
|
|
|
4445 if (lnum == 1)
|
|
|
4446 STRCPY(p, _("1 line, "));
|
|
|
4447 else
|
|
|
4448 sprintf((char *)p, _("%ld lines, "), lnum);
|
|
|
4449 p += STRLEN(p);
|
|
|
4450 if (nchars == 1)
|
|
|
4451 STRCPY(p, _("1 character"));
|
|
|
4452 else
|
|
|
4453 sprintf((char *)p, _("%ld characters"), nchars);
|
|
|
4454 }
|
|
|
4455 }
|
|
|
4456
|
|
|
4457 /*
|
|
|
4458 * Append message for missing line separator to IObuff.
|
|
|
4459 */
|
|
|
4460 static void
|
|
|
4461 msg_add_eol()
|
|
|
4462 {
|
|
|
4463 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]"));
|
|
|
4464 }
|
|
|
4465
|
|
|
4466 /*
|
|
|
4467 * Check modification time of file, before writing to it.
|
|
|
4468 * The size isn't checked, because using a tool like "gzip" takes care of
|
|
|
4469 * using the same timestamp but can't set the size.
|
|
|
4470 */
|
|
|
4471 static int
|
|
|
4472 check_mtime(buf, st)
|
|
|
4473 buf_T *buf;
|
|
|
4474 struct stat *st;
|
|
|
4475 {
|
|
|
4476 if (buf->b_mtime_read != 0
|
|
|
4477 && time_differs((long)st->st_mtime, buf->b_mtime_read))
|
|
|
4478 {
|
|
|
4479 msg_scroll = TRUE; /* don't overwrite messages here */
|
|
|
4480 msg_silent = 0; /* must give this prompt */
|
|
|
4481 /* don't use emsg() here, don't want to flush the buffers */
|
|
|
4482 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"),
|
|
|
4483 hl_attr(HLF_E));
|
|
|
4484 if (ask_yesno((char_u *)_("Do you really want to write to it"),
|
|
|
4485 TRUE) == 'n')
|
|
|
4486 return FAIL;
|
|
|
4487 msg_scroll = FALSE; /* always overwrite the file message now */
|
|
|
4488 }
|
|
|
4489 return OK;
|
|
|
4490 }
|
|
|
4491
|
|
|
4492 static int
|
|
|
4493 time_differs(t1, t2)
|
|
|
4494 long t1, t2;
|
|
|
4495 {
|
|
|
4496 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN)
|
|
|
4497 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store
|
|
|
4498 * the seconds. Since the roundoff is done when flushing the inode, the
|
|
|
4499 * time may change unexpectedly by one second!!! */
|
|
|
4500 return (t1 - t2 > 1 || t2 - t1 > 1);
|
|
|
4501 #else
|
|
|
4502 return (t1 != t2);
|
|
|
4503 #endif
|
|
|
4504 }
|
|
|
4505
|
|
|
4506 /*
|
|
|
4507 * Call write() to write a number of bytes to the file.
|
|
|
4508 * Also handles encryption and 'encoding' conversion.
|
|
|
4509 *
|
|
|
4510 * Return FAIL for failure, OK otherwise.
|
|
|
4511 */
|
|
|
4512 static int
|
|
|
4513 buf_write_bytes(ip)
|
|
|
4514 struct bw_info *ip;
|
|
|
4515 {
|
|
|
4516 int wlen;
|
|
|
4517 char_u *buf = ip->bw_buf; /* data to write */
|
|
|
4518 int len = ip->bw_len; /* length of data */
|
|
|
4519 #ifdef HAS_BW_FLAGS
|
|
|
4520 int flags = ip->bw_flags; /* extra flags */
|
|
|
4521 #endif
|
|
|
4522
|
|
|
4523 #ifdef FEAT_MBYTE
|
|
|
4524 /*
|
|
|
4525 * Skip conversion when writing the crypt magic number or the BOM.
|
|
|
4526 */
|
|
|
4527 if (!(flags & FIO_NOCONVERT))
|
|
|
4528 {
|
|
|
4529 char_u *p;
|
|
|
4530 unsigned c;
|
|
|
4531 int n;
|
|
|
4532
|
|
|
4533 if (flags & FIO_UTF8)
|
|
|
4534 {
|
|
|
4535 /*
|
|
|
4536 * Convert latin1 in the buffer to UTF-8 in the file.
|
|
|
4537 */
|
|
|
4538 p = ip->bw_conv_buf; /* translate to buffer */
|
|
|
4539 for (wlen = 0; wlen < len; ++wlen)
|
|
|
4540 p += utf_char2bytes(buf[wlen], p);
|
|
|
4541 buf = ip->bw_conv_buf;
|
|
|
4542 len = (int)(p - ip->bw_conv_buf);
|
|
|
4543 }
|
|
|
4544 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1))
|
|
|
4545 {
|
|
|
4546 /*
|
|
|
4547 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or
|
|
|
4548 * Latin1 chars in the file.
|
|
|
4549 */
|
|
|
4550 if (flags & FIO_LATIN1)
|
|
|
4551 p = buf; /* translate in-place (can only get shorter) */
|
|
|
4552 else
|
|
|
4553 p = ip->bw_conv_buf; /* translate to buffer */
|
|
|
4554 for (wlen = 0; wlen < len; wlen += n)
|
|
|
4555 {
|
|
|
4556 if (wlen == 0 && ip->bw_restlen != 0)
|
|
|
4557 {
|
|
|
4558 int l;
|
|
|
4559
|
|
|
4560 /* Use remainder of previous call. Append the start of
|
|
|
4561 * buf[] to get a full sequence. Might still be too
|
|
|
4562 * short! */
|
|
|
4563 l = CONV_RESTLEN - ip->bw_restlen;
|
|
|
4564 if (l > len)
|
|
|
4565 l = len;
|
|
|
4566 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l);
|
|
|
4567 n = utf_ptr2len_check_len(ip->bw_rest, ip->bw_restlen + l);
|
|
|
4568 if (n > ip->bw_restlen + len)
|
|
|
4569 {
|
|
|
4570 /* We have an incomplete byte sequence at the end to
|
|
|
4571 * be written. We can't convert it without the
|
|
|
4572 * remaining bytes. Keep them for the next call. */
|
|
|
4573 if (ip->bw_restlen + len > CONV_RESTLEN)
|
|
|
4574 return FAIL;
|
|
|
4575 ip->bw_restlen += len;
|
|
|
4576 break;
|
|
|
4577 }
|
|
|
4578 if (n > 1)
|
|
|
4579 c = utf_ptr2char(ip->bw_rest);
|
|
|
4580 else
|
|
|
4581 c = ip->bw_rest[0];
|
|
|
4582 if (n >= ip->bw_restlen)
|
|
|
4583 {
|
|
|
4584 n -= ip->bw_restlen;
|
|
|
4585 ip->bw_restlen = 0;
|
|
|
4586 }
|
|
|
4587 else
|
|
|
4588 {
|
|
|
4589 ip->bw_restlen -= n;
|
|
|
4590 mch_memmove(ip->bw_rest, ip->bw_rest + n,
|
|
|
4591 (size_t)ip->bw_restlen);
|
|
|
4592 n = 0;
|
|
|
4593 }
|
|
|
4594 }
|
|
|
4595 else
|
|
|
4596 {
|
|
|
4597 n = utf_ptr2len_check_len(buf + wlen, len - wlen);
|
|
|
4598 if (n > len - wlen)
|
|
|
4599 {
|
|
|
4600 /* We have an incomplete byte sequence at the end to
|
|
|
4601 * be written. We can't convert it without the
|
|
|
4602 * remaining bytes. Keep them for the next call. */
|
|
|
4603 if (len - wlen > CONV_RESTLEN)
|
|
|
4604 return FAIL;
|
|
|
4605 ip->bw_restlen = len - wlen;
|
|
|
4606 mch_memmove(ip->bw_rest, buf + wlen,
|
|
|
4607 (size_t)ip->bw_restlen);
|
|
|
4608 break;
|
|
|
4609 }
|
|
|
4610 if (n > 1)
|
|
|
4611 c = utf_ptr2char(buf + wlen);
|
|
|
4612 else
|
|
|
4613 c = buf[wlen];
|
|
|
4614 }
|
|
|
4615
|
|
|
4616 ip->bw_conv_error |= ucs2bytes(c, &p, flags);
|
|
|
4617 }
|
|
|
4618 if (flags & FIO_LATIN1)
|
|
|
4619 len = (int)(p - buf);
|
|
|
4620 else
|
|
|
4621 {
|
|
|
4622 buf = ip->bw_conv_buf;
|
|
|
4623 len = (int)(p - ip->bw_conv_buf);
|
|
|
4624 }
|
|
|
4625 }
|
|
|
4626
|
|
|
4627 # ifdef WIN3264
|
|
|
4628 else if (flags & FIO_CODEPAGE)
|
|
|
4629 {
|
|
|
4630 /*
|
|
|
4631 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows
|
|
|
4632 * codepage.
|
|
|
4633 */
|
|
|
4634 char_u *from;
|
|
|
4635 size_t fromlen;
|
|
|
4636 char_u *to;
|
|
|
4637 int u8c;
|
|
|
4638 BOOL bad = FALSE;
|
|
|
4639 int needed;
|
|
|
4640
|
|
|
4641 if (ip->bw_restlen > 0)
|
|
|
4642 {
|
|
|
4643 /* Need to concatenate the remainder of the previous call and
|
|
|
4644 * the bytes of the current call. Use the end of the
|
|
|
4645 * conversion buffer for this. */
|
|
|
4646 fromlen = len + ip->bw_restlen;
|
|
|
4647 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4648 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4649 mch_memmove(from + ip->bw_restlen, buf, (size_t)len);
|
|
|
4650 }
|
|
|
4651 else
|
|
|
4652 {
|
|
|
4653 from = buf;
|
|
|
4654 fromlen = len;
|
|
|
4655 }
|
|
|
4656
|
|
|
4657 to = ip->bw_conv_buf;
|
|
|
4658 if (enc_utf8)
|
|
|
4659 {
|
|
|
4660 /* Convert from UTF-8 to UCS-2, to the start of the buffer.
|
|
|
4661 * The buffer has been allocated to be big enough. */
|
|
|
4662 while (fromlen > 0)
|
|
|
4663 {
|
|
|
4664 n = utf_ptr2len_check_len(from, fromlen);
|
|
|
4665 if (n > (int)fromlen) /* incomplete byte sequence */
|
|
|
4666 break;
|
|
|
4667 u8c = utf_ptr2char(from);
|
|
|
4668 *to++ = (u8c & 0xff);
|
|
|
4669 *to++ = (u8c >> 8);
|
|
|
4670 fromlen -= n;
|
|
|
4671 from += n;
|
|
|
4672 }
|
|
|
4673
|
|
|
4674 /* Copy remainder to ip->bw_rest[] to be used for the next
|
|
|
4675 * call. */
|
|
|
4676 if (fromlen > CONV_RESTLEN)
|
|
|
4677 {
|
|
|
4678 /* weird overlong sequence */
|
|
|
4679 ip->bw_conv_error = TRUE;
|
|
|
4680 return FAIL;
|
|
|
4681 }
|
|
|
4682 mch_memmove(ip->bw_rest, from, fromlen);
|
|
|
4683 ip->bw_restlen = fromlen;
|
|
|
4684 }
|
|
|
4685 else
|
|
|
4686 {
|
|
|
4687 /* Convert from enc_codepage to UCS-2, to the start of the
|
|
|
4688 * buffer. The buffer has been allocated to be big enough. */
|
|
|
4689 ip->bw_restlen = 0;
|
|
|
4690 needed = MultiByteToWideChar(enc_codepage,
|
|
|
4691 MB_ERR_INVALID_CHARS, (LPCSTR)from, fromlen,
|
|
|
4692 NULL, 0);
|
|
|
4693 if (needed == 0)
|
|
|
4694 {
|
|
|
4695 /* When conversion fails there may be a trailing byte. */
|
|
|
4696 needed = MultiByteToWideChar(enc_codepage,
|
|
|
4697 MB_ERR_INVALID_CHARS, (LPCSTR)from, fromlen - 1,
|
|
|
4698 NULL, 0);
|
|
|
4699 if (needed == 0)
|
|
|
4700 {
|
|
|
4701 /* Conversion doesn't work. */
|
|
|
4702 ip->bw_conv_error = TRUE;
|
|
|
4703 return FAIL;
|
|
|
4704 }
|
|
|
4705 /* Save the trailing byte for the next call. */
|
|
|
4706 ip->bw_rest[0] = from[fromlen - 1];
|
|
|
4707 ip->bw_restlen = 1;
|
|
|
4708 }
|
|
|
4709 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS,
|
|
|
4710 (LPCSTR)from, fromlen - ip->bw_restlen,
|
|
|
4711 (LPWSTR)to, needed);
|
|
|
4712 if (needed == 0)
|
|
|
4713 {
|
|
|
4714 /* Safety check: Conversion doesn't work. */
|
|
|
4715 ip->bw_conv_error = TRUE;
|
|
|
4716 return FAIL;
|
|
|
4717 }
|
|
|
4718 to += needed * 2;
|
|
|
4719 }
|
|
|
4720
|
|
|
4721 fromlen = to - ip->bw_conv_buf;
|
|
|
4722 buf = to;
|
|
|
4723 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
4724 if (FIO_GET_CP(flags) == CP_UTF8)
|
|
|
4725 {
|
|
|
4726 /* Convert from UCS-2 to UTF-8, using the remainder of the
|
|
|
4727 * conversion buffer. Fails when out of space. */
|
|
|
4728 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2)
|
|
|
4729 {
|
|
|
4730 u8c = *from++;
|
|
|
4731 u8c += (*from++ << 8);
|
|
|
4732 to += utf_char2bytes(u8c, to);
|
|
|
4733 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen)
|
|
|
4734 {
|
|
|
4735 ip->bw_conv_error = TRUE;
|
|
|
4736 return FAIL;
|
|
|
4737 }
|
|
|
4738 }
|
|
|
4739 len = to - buf;
|
|
|
4740 }
|
|
|
4741 else
|
|
|
4742 #endif
|
|
|
4743 {
|
|
|
4744 /* Convert from UCS-2 to the codepage, using the remainder of
|
|
|
4745 * the conversion buffer. If the conversion uses the default
|
|
|
4746 * character "0", the data doesn't fit in this encoding, so
|
|
|
4747 * fail. */
|
|
|
4748 len = WideCharToMultiByte(FIO_GET_CP(flags), 0,
|
|
|
4749 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR),
|
|
|
4750 (LPSTR)to, ip->bw_conv_buflen - fromlen, 0, &bad);
|
|
|
4751 if (bad)
|
|
|
4752 {
|
|
|
4753 ip->bw_conv_error = TRUE;
|
|
|
4754 return FAIL;
|
|
|
4755 }
|
|
|
4756 }
|
|
|
4757 }
|
|
|
4758 # endif
|
|
|
4759
|
|
|
4760 # ifdef MACOS_X
|
|
|
4761 else if (flags & FIO_MACROMAN)
|
|
|
4762 {
|
|
|
4763 /*
|
|
|
4764 * Convert UTF-8 or latin1 to Apple MacRoman.
|
|
|
4765 */
|
|
|
4766 char_u *from;
|
|
|
4767 size_t fromlen;
|
|
18
|
4768 extern int enc2macroman __ARGS((char_u *from, size_t fromlen,
|
|
|
4769 char_u *to, int *tolenp, int maxtolen, char_u *rest,
|
|
|
4770 int *restlenp));
|
|
7
|
4771
|
|
|
4772 if (ip->bw_restlen > 0)
|
|
|
4773 {
|
|
|
4774 /* Need to concatenate the remainder of the previous call and
|
|
|
4775 * the bytes of the current call. Use the end of the
|
|
|
4776 * conversion buffer for this. */
|
|
|
4777 fromlen = len + ip->bw_restlen;
|
|
|
4778 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4779 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4780 mch_memmove(from + ip->bw_restlen, buf, (size_t)len);
|
|
|
4781 }
|
|
|
4782 else
|
|
|
4783 {
|
|
|
4784 from = buf;
|
|
|
4785 fromlen = len;
|
|
|
4786 }
|
|
|
4787
|
|
18
|
4788 if (enc2macroman(from, fromlen,
|
|
|
4789 ip->bw_conv_buf, &len, ip->bw_conv_buflen,
|
|
|
4790 ip->bw_rest, &ip->bw_restlen) == FAIL)
|
|
7
|
4791 {
|
|
|
4792 ip->bw_conv_error = TRUE;
|
|
|
4793 return FAIL;
|
|
|
4794 }
|
|
|
4795 buf = ip->bw_conv_buf;
|
|
|
4796 }
|
|
|
4797 # endif
|
|
|
4798
|
|
|
4799 # ifdef USE_ICONV
|
|
|
4800 if (ip->bw_iconv_fd != (iconv_t)-1)
|
|
|
4801 {
|
|
|
4802 const char *from;
|
|
|
4803 size_t fromlen;
|
|
|
4804 char *to;
|
|
|
4805 size_t tolen;
|
|
|
4806
|
|
|
4807 /* Convert with iconv(). */
|
|
|
4808 if (ip->bw_restlen > 0)
|
|
|
4809 {
|
|
|
4810 /* Need to concatenate the remainder of the previous call and
|
|
|
4811 * the bytes of the current call. Use the end of the
|
|
|
4812 * conversion buffer for this. */
|
|
|
4813 fromlen = len + ip->bw_restlen;
|
|
|
4814 from = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4815 mch_memmove((void *)from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4816 mch_memmove((void *)(from + ip->bw_restlen), buf, (size_t)len);
|
|
|
4817 tolen = ip->bw_conv_buflen - fromlen;
|
|
|
4818 }
|
|
|
4819 else
|
|
|
4820 {
|
|
|
4821 from = (const char *)buf;
|
|
|
4822 fromlen = len;
|
|
|
4823 tolen = ip->bw_conv_buflen;
|
|
|
4824 }
|
|
|
4825 to = (char *)ip->bw_conv_buf;
|
|
|
4826
|
|
|
4827 if (ip->bw_first)
|
|
|
4828 {
|
|
|
4829 size_t save_len = tolen;
|
|
|
4830
|
|
|
4831 /* output the initial shift state sequence */
|
|
|
4832 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen);
|
|
|
4833
|
|
|
4834 /* There is a bug in iconv() on Linux (which appears to be
|
|
|
4835 * wide-spread) which sets "to" to NULL and messes up "tolen".
|
|
|
4836 */
|
|
|
4837 if (to == NULL)
|
|
|
4838 {
|
|
|
4839 to = (char *)ip->bw_conv_buf;
|
|
|
4840 tolen = save_len;
|
|
|
4841 }
|
|
|
4842 ip->bw_first = FALSE;
|
|
|
4843 }
|
|
|
4844
|
|
|
4845 /*
|
|
|
4846 * If iconv() has an error or there is not enough room, fail.
|
|
|
4847 */
|
|
|
4848 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen)
|
|
|
4849 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL)
|
|
|
4850 || fromlen > CONV_RESTLEN)
|
|
|
4851 {
|
|
|
4852 ip->bw_conv_error = TRUE;
|
|
|
4853 return FAIL;
|
|
|
4854 }
|
|
|
4855
|
|
|
4856 /* copy remainder to ip->bw_rest[] to be used for the next call. */
|
|
|
4857 if (fromlen > 0)
|
|
|
4858 mch_memmove(ip->bw_rest, (void *)from, fromlen);
|
|
|
4859 ip->bw_restlen = (int)fromlen;
|
|
|
4860
|
|
|
4861 buf = ip->bw_conv_buf;
|
|
|
4862 len = (int)((char_u *)to - ip->bw_conv_buf);
|
|
|
4863 }
|
|
|
4864 # endif
|
|
|
4865 }
|
|
|
4866 #endif /* FEAT_MBYTE */
|
|
|
4867
|
|
|
4868 #ifdef FEAT_CRYPT
|
|
|
4869 if (flags & FIO_ENCRYPTED) /* encrypt the data */
|
|
|
4870 {
|
|
|
4871 int ztemp, t, i;
|
|
|
4872
|
|
|
4873 for (i = 0; i < len; i++)
|
|
|
4874 {
|
|
|
4875 ztemp = buf[i];
|
|
|
4876 buf[i] = ZENCODE(ztemp, t);
|
|
|
4877 }
|
|
|
4878 }
|
|
|
4879 #endif
|
|
|
4880
|
|
|
4881 /* Repeat the write(), it may be interrupted by a signal. */
|
|
|
4882 while (len)
|
|
|
4883 {
|
|
|
4884 wlen = vim_write(ip->bw_fd, buf, len);
|
|
|
4885 if (wlen <= 0) /* error! */
|
|
|
4886 return FAIL;
|
|
|
4887 len -= wlen;
|
|
|
4888 buf += wlen;
|
|
|
4889 }
|
|
|
4890 return OK;
|
|
|
4891 }
|
|
|
4892
|
|
|
4893 #ifdef FEAT_MBYTE
|
|
|
4894 /*
|
|
|
4895 * Convert a Unicode character to bytes.
|
|
|
4896 */
|
|
|
4897 static int
|
|
|
4898 ucs2bytes(c, pp, flags)
|
|
|
4899 unsigned c; /* in: character */
|
|
|
4900 char_u **pp; /* in/out: pointer to result */
|
|
|
4901 int flags; /* FIO_ flags */
|
|
|
4902 {
|
|
|
4903 char_u *p = *pp;
|
|
|
4904 int error = FALSE;
|
|
|
4905 int cc;
|
|
|
4906
|
|
|
4907
|
|
|
4908 if (flags & FIO_UCS4)
|
|
|
4909 {
|
|
|
4910 if (flags & FIO_ENDIAN_L)
|
|
|
4911 {
|
|
|
4912 *p++ = c;
|
|
|
4913 *p++ = (c >> 8);
|
|
|
4914 *p++ = (c >> 16);
|
|
|
4915 *p++ = (c >> 24);
|
|
|
4916 }
|
|
|
4917 else
|
|
|
4918 {
|
|
|
4919 *p++ = (c >> 24);
|
|
|
4920 *p++ = (c >> 16);
|
|
|
4921 *p++ = (c >> 8);
|
|
|
4922 *p++ = c;
|
|
|
4923 }
|
|
|
4924 }
|
|
|
4925 else if (flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
4926 {
|
|
|
4927 if (c >= 0x10000)
|
|
|
4928 {
|
|
|
4929 if (flags & FIO_UTF16)
|
|
|
4930 {
|
|
|
4931 /* Make two words, ten bits of the character in each. First
|
|
|
4932 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */
|
|
|
4933 c -= 0x10000;
|
|
|
4934 if (c >= 0x100000)
|
|
|
4935 error = TRUE;
|
|
|
4936 cc = ((c >> 10) & 0x3ff) + 0xd800;
|
|
|
4937 if (flags & FIO_ENDIAN_L)
|
|
|
4938 {
|
|
|
4939 *p++ = cc;
|
|
|
4940 *p++ = ((unsigned)cc >> 8);
|
|
|
4941 }
|
|
|
4942 else
|
|
|
4943 {
|
|
|
4944 *p++ = ((unsigned)cc >> 8);
|
|
|
4945 *p++ = cc;
|
|
|
4946 }
|
|
|
4947 c = (c & 0x3ff) + 0xdc00;
|
|
|
4948 }
|
|
|
4949 else
|
|
|
4950 error = TRUE;
|
|
|
4951 }
|
|
|
4952 if (flags & FIO_ENDIAN_L)
|
|
|
4953 {
|
|
|
4954 *p++ = c;
|
|
|
4955 *p++ = (c >> 8);
|
|
|
4956 }
|
|
|
4957 else
|
|
|
4958 {
|
|
|
4959 *p++ = (c >> 8);
|
|
|
4960 *p++ = c;
|
|
|
4961 }
|
|
|
4962 }
|
|
|
4963 else /* Latin1 */
|
|
|
4964 {
|
|
|
4965 if (c >= 0x100)
|
|
|
4966 {
|
|
|
4967 error = TRUE;
|
|
|
4968 *p++ = 0xBF;
|
|
|
4969 }
|
|
|
4970 else
|
|
|
4971 *p++ = c;
|
|
|
4972 }
|
|
|
4973
|
|
|
4974 *pp = p;
|
|
|
4975 return error;
|
|
|
4976 }
|
|
|
4977
|
|
|
4978 /*
|
|
|
4979 * Return TRUE if "a" and "b" are the same 'encoding'.
|
|
|
4980 * Ignores difference between "ansi" and "latin1", "ucs-4" and "ucs-4be", etc.
|
|
|
4981 */
|
|
|
4982 static int
|
|
|
4983 same_encoding(a, b)
|
|
|
4984 char_u *a;
|
|
|
4985 char_u *b;
|
|
|
4986 {
|
|
|
4987 int f;
|
|
|
4988
|
|
|
4989 if (STRCMP(a, b) == 0)
|
|
|
4990 return TRUE;
|
|
|
4991 f = get_fio_flags(a);
|
|
|
4992 return (f != 0 && get_fio_flags(b) == f);
|
|
|
4993 }
|
|
|
4994
|
|
|
4995 /*
|
|
|
4996 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the
|
|
|
4997 * internal conversion.
|
|
|
4998 * if "ptr" is an empty string, use 'encoding'.
|
|
|
4999 */
|
|
|
5000 static int
|
|
|
5001 get_fio_flags(ptr)
|
|
|
5002 char_u *ptr;
|
|
|
5003 {
|
|
|
5004 int prop;
|
|
|
5005
|
|
|
5006 if (*ptr == NUL)
|
|
|
5007 ptr = p_enc;
|
|
|
5008
|
|
|
5009 prop = enc_canon_props(ptr);
|
|
|
5010 if (prop & ENC_UNICODE)
|
|
|
5011 {
|
|
|
5012 if (prop & ENC_2BYTE)
|
|
|
5013 {
|
|
|
5014 if (prop & ENC_ENDIAN_L)
|
|
|
5015 return FIO_UCS2 | FIO_ENDIAN_L;
|
|
|
5016 return FIO_UCS2;
|
|
|
5017 }
|
|
|
5018 if (prop & ENC_4BYTE)
|
|
|
5019 {
|
|
|
5020 if (prop & ENC_ENDIAN_L)
|
|
|
5021 return FIO_UCS4 | FIO_ENDIAN_L;
|
|
|
5022 return FIO_UCS4;
|
|
|
5023 }
|
|
|
5024 if (prop & ENC_2WORD)
|
|
|
5025 {
|
|
|
5026 if (prop & ENC_ENDIAN_L)
|
|
|
5027 return FIO_UTF16 | FIO_ENDIAN_L;
|
|
|
5028 return FIO_UTF16;
|
|
|
5029 }
|
|
|
5030 return FIO_UTF8;
|
|
|
5031 }
|
|
|
5032 if (prop & ENC_LATIN1)
|
|
|
5033 return FIO_LATIN1;
|
|
|
5034 /* must be ENC_DBCS, requires iconv() */
|
|
|
5035 return 0;
|
|
|
5036 }
|
|
|
5037
|
|
|
5038 #ifdef WIN3264
|
|
|
5039 /*
|
|
|
5040 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed
|
|
|
5041 * for the conversion MS-Windows can do for us. Also accept "utf-8".
|
|
|
5042 * Used for conversion between 'encoding' and 'fileencoding'.
|
|
|
5043 */
|
|
|
5044 static int
|
|
|
5045 get_win_fio_flags(ptr)
|
|
|
5046 char_u *ptr;
|
|
|
5047 {
|
|
|
5048 int cp;
|
|
|
5049
|
|
|
5050 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */
|
|
|
5051 if (!enc_utf8 && enc_codepage <= 0)
|
|
|
5052 return 0;
|
|
|
5053
|
|
|
5054 cp = encname2codepage(ptr);
|
|
|
5055 if (cp == 0)
|
|
|
5056 {
|
|
|
5057 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
5058 if (STRCMP(ptr, "utf-8") == 0)
|
|
|
5059 cp = CP_UTF8;
|
|
|
5060 else
|
|
|
5061 # endif
|
|
|
5062 return 0;
|
|
|
5063 }
|
|
|
5064 return FIO_PUT_CP(cp) | FIO_CODEPAGE;
|
|
|
5065 }
|
|
|
5066 #endif
|
|
|
5067
|
|
|
5068 #ifdef MACOS_X
|
|
|
5069 /*
|
|
|
5070 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags
|
|
|
5071 * needed for the internal conversion to/from utf-8 or latin1.
|
|
|
5072 */
|
|
|
5073 static int
|
|
|
5074 get_mac_fio_flags(ptr)
|
|
|
5075 char_u *ptr;
|
|
|
5076 {
|
|
|
5077 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0)
|
|
|
5078 && (enc_canon_props(ptr) & ENC_MACROMAN))
|
|
|
5079 return FIO_MACROMAN;
|
|
|
5080 return 0;
|
|
|
5081 }
|
|
|
5082 #endif
|
|
|
5083
|
|
|
5084 /*
|
|
|
5085 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size].
|
|
|
5086 * "size" must be at least 2.
|
|
|
5087 * Return the name of the encoding and set "*lenp" to the length.
|
|
|
5088 * Returns NULL when no BOM found.
|
|
|
5089 */
|
|
|
5090 static char_u *
|
|
|
5091 check_for_bom(p, size, lenp, flags)
|
|
|
5092 char_u *p;
|
|
|
5093 long size;
|
|
|
5094 int *lenp;
|
|
|
5095 int flags;
|
|
|
5096 {
|
|
|
5097 char *name = NULL;
|
|
|
5098 int len = 2;
|
|
|
5099
|
|
|
5100 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf
|
|
|
5101 && (flags == FIO_ALL || flags == 0))
|
|
|
5102 {
|
|
|
5103 name = "utf-8"; /* EF BB BF */
|
|
|
5104 len = 3;
|
|
|
5105 }
|
|
|
5106 else if (p[0] == 0xff && p[1] == 0xfe)
|
|
|
5107 {
|
|
|
5108 if (size >= 4 && p[2] == 0 && p[3] == 0
|
|
|
5109 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L)))
|
|
|
5110 {
|
|
|
5111 name = "ucs-4le"; /* FF FE 00 00 */
|
|
|
5112 len = 4;
|
|
|
5113 }
|
|
|
5114 else if (flags == FIO_ALL || flags == (FIO_UCS2 | FIO_ENDIAN_L))
|
|
|
5115 name = "ucs-2le"; /* FF FE */
|
|
|
5116 else if (flags == (FIO_UTF16 | FIO_ENDIAN_L))
|
|
|
5117 name = "utf-16le"; /* FF FE */
|
|
|
5118 }
|
|
|
5119 else if (p[0] == 0xfe && p[1] == 0xff
|
|
|
5120 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16))
|
|
|
5121 {
|
|
|
5122 if (flags == FIO_UTF16)
|
|
|
5123 name = "utf-16"; /* FE FF */
|
|
|
5124 else
|
|
|
5125 name = "ucs-2"; /* FE FF */
|
|
|
5126 }
|
|
|
5127 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe
|
|
|
5128 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4))
|
|
|
5129 {
|
|
|
5130 name = "ucs-4"; /* 00 00 FE FF */
|
|
|
5131 len = 4;
|
|
|
5132 }
|
|
|
5133
|
|
|
5134 *lenp = len;
|
|
|
5135 return (char_u *)name;
|
|
|
5136 }
|
|
|
5137
|
|
|
5138 /*
|
|
|
5139 * Generate a BOM in "buf[4]" for encoding "name".
|
|
|
5140 * Return the length of the BOM (zero when no BOM).
|
|
|
5141 */
|
|
|
5142 static int
|
|
|
5143 make_bom(buf, name)
|
|
|
5144 char_u *buf;
|
|
|
5145 char_u *name;
|
|
|
5146 {
|
|
|
5147 int flags;
|
|
|
5148 char_u *p;
|
|
|
5149
|
|
|
5150 flags = get_fio_flags(name);
|
|
|
5151
|
|
|
5152 /* Can't put a BOM in a non-Unicode file. */
|
|
|
5153 if (flags == FIO_LATIN1 || flags == 0)
|
|
|
5154 return 0;
|
|
|
5155
|
|
|
5156 if (flags == FIO_UTF8) /* UTF-8 */
|
|
|
5157 {
|
|
|
5158 buf[0] = 0xef;
|
|
|
5159 buf[1] = 0xbb;
|
|
|
5160 buf[2] = 0xbf;
|
|
|
5161 return 3;
|
|
|
5162 }
|
|
|
5163 p = buf;
|
|
|
5164 (void)ucs2bytes(0xfeff, &p, flags);
|
|
|
5165 return (int)(p - buf);
|
|
|
5166 }
|
|
|
5167 #endif
|
|
|
5168
|
|
|
5169 /*
|
|
|
5170 * Try to find a shortname by comparing the fullname with the current
|
|
|
5171 * directory.
|
|
|
5172 * Returns NULL if not shorter name possible, pointer into "full_path"
|
|
|
5173 * otherwise.
|
|
|
5174 */
|
|
|
5175 char_u *
|
|
|
5176 shorten_fname(full_path, dir_name)
|
|
|
5177 char_u *full_path;
|
|
|
5178 char_u *dir_name;
|
|
|
5179 {
|
|
|
5180 int len;
|
|
|
5181 char_u *p;
|
|
|
5182
|
|
|
5183 if (full_path == NULL)
|
|
|
5184 return NULL;
|
|
|
5185 len = (int)STRLEN(dir_name);
|
|
|
5186 if (fnamencmp(dir_name, full_path, len) == 0)
|
|
|
5187 {
|
|
|
5188 p = full_path + len;
|
|
|
5189 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|
|
|
5190 /*
|
|
|
5191 * MSDOS: when a file is in the root directory, dir_name will end in a
|
|
|
5192 * slash, since C: by itself does not define a specific dir. In this
|
|
|
5193 * case p may already be correct. <negri>
|
|
|
5194 */
|
|
|
5195 if (!((len > 2) && (*(p - 2) == ':')))
|
|
|
5196 #endif
|
|
|
5197 {
|
|
|
5198 if (vim_ispathsep(*p))
|
|
|
5199 ++p;
|
|
|
5200 #ifndef VMS /* the path separator is always part of the path */
|
|
|
5201 else
|
|
|
5202 p = NULL;
|
|
|
5203 #endif
|
|
|
5204 }
|
|
|
5205 }
|
|
|
5206 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|
|
|
5207 /*
|
|
|
5208 * When using a file in the current drive, remove the drive name:
|
|
|
5209 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on
|
|
|
5210 * a floppy from "A:\dir" to "B:\dir".
|
|
|
5211 */
|
|
|
5212 else if (len > 3
|
|
|
5213 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0])
|
|
|
5214 && full_path[1] == ':'
|
|
|
5215 && vim_ispathsep(full_path[2]))
|
|
|
5216 p = full_path + 2;
|
|
|
5217 #endif
|
|
|
5218 else
|
|
|
5219 p = NULL;
|
|
|
5220 return p;
|
|
|
5221 }
|
|
|
5222
|
|
|
5223 /*
|
|
|
5224 * Shorten filenames for all buffers.
|
|
|
5225 * When "force" is TRUE: Use full path from now on for files currently being
|
|
|
5226 * edited, both for file name and swap file name. Try to shorten the file
|
|
|
5227 * names a bit, if safe to do so.
|
|
|
5228 * When "force" is FALSE: Only try to shorten absolute file names.
|
|
|
5229 * For buffers that have buftype "nofile" or "scratch": never change the file
|
|
|
5230 * name.
|
|
|
5231 */
|
|
|
5232 void
|
|
|
5233 shorten_fnames(force)
|
|
|
5234 int force;
|
|
|
5235 {
|
|
|
5236 char_u dirname[MAXPATHL];
|
|
|
5237 buf_T *buf;
|
|
|
5238 char_u *p;
|
|
|
5239
|
|
|
5240 mch_dirname(dirname, MAXPATHL);
|
|
|
5241 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
5242 {
|
|
|
5243 if (buf->b_fname != NULL
|
|
|
5244 #ifdef FEAT_QUICKFIX
|
|
|
5245 && !bt_nofile(buf)
|
|
|
5246 #endif
|
|
|
5247 && !path_with_url(buf->b_fname)
|
|
|
5248 && (force
|
|
|
5249 || buf->b_sfname == NULL
|
|
|
5250 || mch_isFullName(buf->b_sfname)))
|
|
|
5251 {
|
|
|
5252 vim_free(buf->b_sfname);
|
|
|
5253 buf->b_sfname = NULL;
|
|
|
5254 p = shorten_fname(buf->b_ffname, dirname);
|
|
|
5255 if (p != NULL)
|
|
|
5256 {
|
|
|
5257 buf->b_sfname = vim_strsave(p);
|
|
|
5258 buf->b_fname = buf->b_sfname;
|
|
|
5259 }
|
|
|
5260 if (p == NULL || buf->b_fname == NULL)
|
|
|
5261 buf->b_fname = buf->b_ffname;
|
|
9
|
5262 }
|
|
|
5263
|
|
|
5264 /* Always make the swap file name a full path, a "nofile" buffer may
|
|
|
5265 * also have a swap file. */
|
|
|
5266 mf_fullname(buf->b_ml.ml_mfp);
|
|
7
|
5267 }
|
|
|
5268 #ifdef FEAT_WINDOWS
|
|
|
5269 status_redraw_all();
|
|
|
5270 #endif
|
|
|
5271 }
|
|
|
5272
|
|
|
5273 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
|
|
|
5274 || defined(FEAT_GUI_MSWIN) \
|
|
|
5275 || defined(FEAT_GUI_MAC) \
|
|
|
5276 || defined(PROTO)
|
|
|
5277 /*
|
|
|
5278 * Shorten all filenames in "fnames[count]" by current directory.
|
|
|
5279 */
|
|
|
5280 void
|
|
|
5281 shorten_filenames(fnames, count)
|
|
|
5282 char_u **fnames;
|
|
|
5283 int count;
|
|
|
5284 {
|
|
|
5285 int i;
|
|
|
5286 char_u dirname[MAXPATHL];
|
|
|
5287 char_u *p;
|
|
|
5288
|
|
|
5289 if (fnames == NULL || count < 1)
|
|
|
5290 return;
|
|
|
5291 mch_dirname(dirname, sizeof(dirname));
|
|
|
5292 for (i = 0; i < count; ++i)
|
|
|
5293 {
|
|
|
5294 if ((p = shorten_fname(fnames[i], dirname)) != NULL)
|
|
|
5295 {
|
|
|
5296 /* shorten_fname() returns pointer in given "fnames[i]". If free
|
|
|
5297 * "fnames[i]" first, "p" becomes invalid. So we need to copy
|
|
|
5298 * "p" first then free fnames[i]. */
|
|
|
5299 p = vim_strsave(p);
|
|
|
5300 vim_free(fnames[i]);
|
|
|
5301 fnames[i] = p;
|
|
|
5302 }
|
|
|
5303 }
|
|
|
5304 }
|
|
|
5305 #endif
|
|
|
5306
|
|
|
5307 /*
|
|
|
5308 * add extention to file name - change path/fo.o.h to path/fo.o.h.ext or
|
|
|
5309 * fo_o_h.ext for MSDOS or when shortname option set.
|
|
|
5310 *
|
|
|
5311 * Assumed that fname is a valid name found in the filesystem we assure that
|
|
|
5312 * the return value is a different name and ends in 'ext'.
|
|
|
5313 * "ext" MUST be at most 4 characters long if it starts with a dot, 3
|
|
|
5314 * characters otherwise.
|
|
|
5315 * Space for the returned name is allocated, must be freed later.
|
|
|
5316 * Returns NULL when out of memory.
|
|
|
5317 */
|
|
|
5318 char_u *
|
|
|
5319 modname(fname, ext, prepend_dot)
|
|
|
5320 char_u *fname, *ext;
|
|
|
5321 int prepend_dot; /* may prepend a '.' to file name */
|
|
|
5322 {
|
|
|
5323 return buf_modname(
|
|
|
5324 #ifdef SHORT_FNAME
|
|
|
5325 TRUE,
|
|
|
5326 #else
|
|
|
5327 (curbuf->b_p_sn || curbuf->b_shortname),
|
|
|
5328 #endif
|
|
|
5329 fname, ext, prepend_dot);
|
|
|
5330 }
|
|
|
5331
|
|
|
5332 char_u *
|
|
|
5333 buf_modname(shortname, fname, ext, prepend_dot)
|
|
|
5334 int shortname; /* use 8.3 file name */
|
|
|
5335 char_u *fname, *ext;
|
|
|
5336 int prepend_dot; /* may prepend a '.' to file name */
|
|
|
5337 {
|
|
|
5338 char_u *retval;
|
|
|
5339 char_u *s;
|
|
|
5340 char_u *e;
|
|
|
5341 char_u *ptr;
|
|
|
5342 int fnamelen, extlen;
|
|
|
5343
|
|
|
5344 extlen = (int)STRLEN(ext);
|
|
|
5345
|
|
|
5346 /*
|
|
|
5347 * If there is no file name we must get the name of the current directory
|
|
|
5348 * (we need the full path in case :cd is used).
|
|
|
5349 */
|
|
|
5350 if (fname == NULL || *fname == NUL)
|
|
|
5351 {
|
|
|
5352 retval = alloc((unsigned)(MAXPATHL + extlen + 3));
|
|
|
5353 if (retval == NULL)
|
|
|
5354 return NULL;
|
|
|
5355 if (mch_dirname(retval, MAXPATHL) == FAIL ||
|
|
|
5356 (fnamelen = (int)STRLEN(retval)) == 0)
|
|
|
5357 {
|
|
|
5358 vim_free(retval);
|
|
|
5359 return NULL;
|
|
|
5360 }
|
|
|
5361 if (!vim_ispathsep(retval[fnamelen - 1]))
|
|
|
5362 {
|
|
|
5363 retval[fnamelen++] = PATHSEP;
|
|
|
5364 retval[fnamelen] = NUL;
|
|
|
5365 }
|
|
|
5366 #ifndef SHORT_FNAME
|
|
|
5367 prepend_dot = FALSE; /* nothing to prepend a dot to */
|
|
|
5368 #endif
|
|
|
5369 }
|
|
|
5370 else
|
|
|
5371 {
|
|
|
5372 fnamelen = (int)STRLEN(fname);
|
|
|
5373 retval = alloc((unsigned)(fnamelen + extlen + 3));
|
|
|
5374 if (retval == NULL)
|
|
|
5375 return NULL;
|
|
|
5376 STRCPY(retval, fname);
|
|
|
5377 #ifdef VMS
|
|
|
5378 vms_remove_version(retval); /* we do not need versions here */
|
|
|
5379 #endif
|
|
|
5380 }
|
|
|
5381
|
|
|
5382 /*
|
|
|
5383 * search backwards until we hit a '/', '\' or ':' replacing all '.'
|
|
|
5384 * by '_' for MSDOS or when shortname option set and ext starts with a dot.
|
|
|
5385 * Then truncate what is after the '/', '\' or ':' to 8 characters for
|
|
|
5386 * MSDOS and 26 characters for AMIGA, a lot more for UNIX.
|
|
|
5387 */
|
|
|
5388 for (ptr = retval + fnamelen; ptr >= retval; ptr--)
|
|
|
5389 {
|
|
|
5390 #ifndef RISCOS
|
|
|
5391 if (*ext == '.'
|
|
|
5392 #ifdef USE_LONG_FNAME
|
|
|
5393 && (!USE_LONG_FNAME || shortname)
|
|
|
5394 #else
|
|
|
5395 # ifndef SHORT_FNAME
|
|
|
5396 && shortname
|
|
|
5397 # endif
|
|
|
5398 #endif
|
|
|
5399 )
|
|
|
5400 if (*ptr == '.') /* replace '.' by '_' */
|
|
|
5401 *ptr = '_';
|
|
|
5402 #endif /* RISCOS */
|
|
|
5403 if (vim_ispathsep(*ptr))
|
|
|
5404 break;
|
|
|
5405 }
|
|
|
5406 ptr++;
|
|
|
5407
|
|
|
5408 /* the file name has at most BASENAMELEN characters. */
|
|
|
5409 #ifndef SHORT_FNAME
|
|
|
5410 if (STRLEN(ptr) > (unsigned)BASENAMELEN)
|
|
|
5411 ptr[BASENAMELEN] = '\0';
|
|
|
5412 #endif
|
|
|
5413
|
|
|
5414 s = ptr + STRLEN(ptr);
|
|
|
5415
|
|
|
5416 /*
|
|
|
5417 * For 8.3 file names we may have to reduce the length.
|
|
|
5418 */
|
|
|
5419 #ifdef USE_LONG_FNAME
|
|
|
5420 if (!USE_LONG_FNAME || shortname)
|
|
|
5421 #else
|
|
|
5422 # ifndef SHORT_FNAME
|
|
|
5423 if (shortname)
|
|
|
5424 # endif
|
|
|
5425 #endif
|
|
|
5426 {
|
|
|
5427 /*
|
|
|
5428 * If there is no file name, or the file name ends in '/', and the
|
|
|
5429 * extension starts with '.', put a '_' before the dot, because just
|
|
|
5430 * ".ext" is invalid.
|
|
|
5431 */
|
|
|
5432 if (fname == NULL || *fname == NUL
|
|
|
5433 || vim_ispathsep(fname[STRLEN(fname) - 1]))
|
|
|
5434 {
|
|
|
5435 #ifdef RISCOS
|
|
|
5436 if (*ext == '/')
|
|
|
5437 #else
|
|
|
5438 if (*ext == '.')
|
|
|
5439 #endif
|
|
|
5440 *s++ = '_';
|
|
|
5441 }
|
|
|
5442 /*
|
|
|
5443 * If the extension starts with '.', truncate the base name at 8
|
|
|
5444 * characters
|
|
|
5445 */
|
|
|
5446 #ifdef RISCOS
|
|
|
5447 /* We normally use '/', but swap files are '_' */
|
|
|
5448 else if (*ext == '/' || *ext == '_')
|
|
|
5449 #else
|
|
|
5450 else if (*ext == '.')
|
|
|
5451 #endif
|
|
|
5452 {
|
|
|
5453 if (s - ptr > (size_t)8)
|
|
|
5454 {
|
|
|
5455 s = ptr + 8;
|
|
|
5456 *s = '\0';
|
|
|
5457 }
|
|
|
5458 }
|
|
|
5459 /*
|
|
|
5460 * If the extension doesn't start with '.', and the file name
|
|
|
5461 * doesn't have an extension yet, append a '.'
|
|
|
5462 */
|
|
|
5463 #ifdef RISCOS
|
|
|
5464 else if ((e = vim_strchr(ptr, '/')) == NULL)
|
|
|
5465 *s++ = '/';
|
|
|
5466 #else
|
|
|
5467 else if ((e = vim_strchr(ptr, '.')) == NULL)
|
|
|
5468 *s++ = '.';
|
|
|
5469 #endif
|
|
|
5470 /*
|
|
|
5471 * If the extension doesn't start with '.', and there already is an
|
|
|
5472 * extension, it may need to be tructated
|
|
|
5473 */
|
|
|
5474 else if ((int)STRLEN(e) + extlen > 4)
|
|
|
5475 s = e + 4 - extlen;
|
|
|
5476 }
|
|
|
5477 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264)
|
|
|
5478 /*
|
|
|
5479 * If there is no file name, and the extension starts with '.', put a
|
|
|
5480 * '_' before the dot, because just ".ext" may be invalid if it's on a
|
|
|
5481 * FAT partition, and on HPFS it doesn't matter.
|
|
|
5482 */
|
|
|
5483 else if ((fname == NULL || *fname == NUL) && *ext == '.')
|
|
|
5484 *s++ = '_';
|
|
|
5485 #endif
|
|
|
5486
|
|
|
5487 /*
|
|
|
5488 * Append the extention.
|
|
|
5489 * ext can start with '.' and cannot exceed 3 more characters.
|
|
|
5490 */
|
|
|
5491 STRCPY(s, ext);
|
|
|
5492
|
|
|
5493 #ifndef SHORT_FNAME
|
|
|
5494 /*
|
|
|
5495 * Prepend the dot.
|
|
|
5496 */
|
|
|
5497 if (prepend_dot && !shortname && *(e = gettail(retval)) !=
|
|
|
5498 #ifdef RISCOS
|
|
|
5499 '/'
|
|
|
5500 #else
|
|
|
5501 '.'
|
|
|
5502 #endif
|
|
|
5503 #ifdef USE_LONG_FNAME
|
|
|
5504 && USE_LONG_FNAME
|
|
|
5505 #endif
|
|
|
5506 )
|
|
|
5507 {
|
|
|
5508 mch_memmove(e + 1, e, STRLEN(e) + 1);
|
|
|
5509 #ifdef RISCOS
|
|
|
5510 *e = '/';
|
|
|
5511 #else
|
|
|
5512 *e = '.';
|
|
|
5513 #endif
|
|
|
5514 }
|
|
|
5515 #endif
|
|
|
5516
|
|
|
5517 /*
|
|
|
5518 * Check that, after appending the extension, the file name is really
|
|
|
5519 * different.
|
|
|
5520 */
|
|
|
5521 if (fname != NULL && STRCMP(fname, retval) == 0)
|
|
|
5522 {
|
|
|
5523 /* we search for a character that can be replaced by '_' */
|
|
|
5524 while (--s >= ptr)
|
|
|
5525 {
|
|
|
5526 if (*s != '_')
|
|
|
5527 {
|
|
|
5528 *s = '_';
|
|
|
5529 break;
|
|
|
5530 }
|
|
|
5531 }
|
|
|
5532 if (s < ptr) /* fname was "________.<ext>", how tricky! */
|
|
|
5533 *ptr = 'v';
|
|
|
5534 }
|
|
|
5535 return retval;
|
|
|
5536 }
|
|
|
5537
|
|
|
5538 /*
|
|
|
5539 * Like fgets(), but if the file line is too long, it is truncated and the
|
|
|
5540 * rest of the line is thrown away. Returns TRUE for end-of-file.
|
|
|
5541 */
|
|
|
5542 int
|
|
|
5543 vim_fgets(buf, size, fp)
|
|
|
5544 char_u *buf;
|
|
|
5545 int size;
|
|
|
5546 FILE *fp;
|
|
|
5547 {
|
|
|
5548 char *eof;
|
|
|
5549 #define FGETS_SIZE 200
|
|
|
5550 char tbuf[FGETS_SIZE];
|
|
|
5551
|
|
|
5552 buf[size - 2] = NUL;
|
|
|
5553 #ifdef USE_CR
|
|
|
5554 eof = fgets_cr((char *)buf, size, fp);
|
|
|
5555 #else
|
|
|
5556 eof = fgets((char *)buf, size, fp);
|
|
|
5557 #endif
|
|
|
5558 if (buf[size - 2] != NUL && buf[size - 2] != '\n')
|
|
|
5559 {
|
|
|
5560 buf[size - 1] = NUL; /* Truncate the line */
|
|
|
5561
|
|
|
5562 /* Now throw away the rest of the line: */
|
|
|
5563 do
|
|
|
5564 {
|
|
|
5565 tbuf[FGETS_SIZE - 2] = NUL;
|
|
|
5566 #ifdef USE_CR
|
|
|
5567 fgets_cr((char *)tbuf, FGETS_SIZE, fp);
|
|
|
5568 #else
|
|
|
5569 fgets((char *)tbuf, FGETS_SIZE, fp);
|
|
|
5570 #endif
|
|
|
5571 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n');
|
|
|
5572 }
|
|
|
5573 return (eof == NULL);
|
|
|
5574 }
|
|
|
5575
|
|
|
5576 #if defined(USE_CR) || defined(PROTO)
|
|
|
5577 /*
|
|
|
5578 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF.
|
|
|
5579 * Returns TRUE for end-of-file.
|
|
|
5580 * Only used for the Mac, because it's much slower than vim_fgets().
|
|
|
5581 */
|
|
|
5582 int
|
|
|
5583 tag_fgets(buf, size, fp)
|
|
|
5584 char_u *buf;
|
|
|
5585 int size;
|
|
|
5586 FILE *fp;
|
|
|
5587 {
|
|
|
5588 int i = 0;
|
|
|
5589 int c;
|
|
|
5590 int eof = FALSE;
|
|
|
5591
|
|
|
5592 for (;;)
|
|
|
5593 {
|
|
|
5594 c = fgetc(fp);
|
|
|
5595 if (c == EOF)
|
|
|
5596 {
|
|
|
5597 eof = TRUE;
|
|
|
5598 break;
|
|
|
5599 }
|
|
|
5600 if (c == '\r')
|
|
|
5601 {
|
|
|
5602 /* Always store a NL for end-of-line. */
|
|
|
5603 if (i < size - 1)
|
|
|
5604 buf[i++] = '\n';
|
|
|
5605 c = fgetc(fp);
|
|
|
5606 if (c != '\n') /* Macintosh format: single CR. */
|
|
|
5607 ungetc(c, fp);
|
|
|
5608 break;
|
|
|
5609 }
|
|
|
5610 if (i < size - 1)
|
|
|
5611 buf[i++] = c;
|
|
|
5612 if (c == '\n')
|
|
|
5613 break;
|
|
|
5614 }
|
|
|
5615 buf[i] = NUL;
|
|
|
5616 return eof;
|
|
|
5617 }
|
|
|
5618 #endif
|
|
|
5619
|
|
|
5620 /*
|
|
|
5621 * rename() only works if both files are on the same file system, this
|
|
|
5622 * function will (attempts to?) copy the file across if rename fails -- webb
|
|
|
5623 * Return -1 for failure, 0 for success.
|
|
|
5624 */
|
|
|
5625 int
|
|
|
5626 vim_rename(from, to)
|
|
|
5627 char_u *from;
|
|
|
5628 char_u *to;
|
|
|
5629 {
|
|
|
5630 int fd_in;
|
|
|
5631 int fd_out;
|
|
|
5632 int n;
|
|
|
5633 char *errmsg = NULL;
|
|
|
5634 char *buffer;
|
|
|
5635 #ifdef AMIGA
|
|
|
5636 BPTR flock;
|
|
|
5637 #endif
|
|
|
5638 struct stat st;
|
|
|
5639
|
|
|
5640 /*
|
|
|
5641 * When the names are identical, there is nothing to do.
|
|
|
5642 */
|
|
|
5643 if (fnamecmp(from, to) == 0)
|
|
|
5644 return 0;
|
|
|
5645
|
|
|
5646 /*
|
|
|
5647 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted.
|
|
|
5648 */
|
|
|
5649 if (mch_stat((char *)from, &st) < 0)
|
|
|
5650 return -1;
|
|
|
5651
|
|
|
5652 /*
|
|
|
5653 * Delete the "to" file, this is required on some systems to make the
|
|
|
5654 * mch_rename() work, on other systems it makes sure that we don't have
|
|
|
5655 * two files when the mch_rename() fails.
|
|
|
5656 */
|
|
|
5657
|
|
|
5658 #ifdef AMIGA
|
|
|
5659 /*
|
|
|
5660 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible
|
|
|
5661 * that the name of the "to" file is the same as the "from" file, even
|
|
|
5662 * though the names are different. To avoid the chance of accidently
|
|
|
5663 * deleting the "from" file (horror!) we lock it during the remove.
|
|
|
5664 *
|
|
|
5665 * When used for making a backup before writing the file: This should not
|
|
|
5666 * happen with ":w", because startscript() should detect this problem and
|
|
|
5667 * set buf->b_shortname, causing modname() to return a correct ".bak" file
|
|
|
5668 * name. This problem does exist with ":w filename", but then the
|
|
|
5669 * original file will be somewhere else so the backup isn't really
|
|
|
5670 * important. If autoscripting is off the rename may fail.
|
|
|
5671 */
|
|
|
5672 flock = Lock((UBYTE *)from, (long)ACCESS_READ);
|
|
|
5673 #endif
|
|
|
5674 mch_remove(to);
|
|
|
5675 #ifdef AMIGA
|
|
|
5676 if (flock)
|
|
|
5677 UnLock(flock);
|
|
|
5678 #endif
|
|
|
5679
|
|
|
5680 /*
|
|
|
5681 * First try a normal rename, return if it works.
|
|
|
5682 */
|
|
|
5683 if (mch_rename((char *)from, (char *)to) == 0)
|
|
|
5684 return 0;
|
|
|
5685
|
|
|
5686 /*
|
|
|
5687 * Rename() failed, try copying the file.
|
|
|
5688 */
|
|
|
5689 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0);
|
|
|
5690 if (fd_in == -1)
|
|
|
5691 return -1;
|
|
|
5692 fd_out = mch_open((char *)to, O_CREAT|O_EXCL|O_WRONLY|O_EXTRA, 0666);
|
|
|
5693 if (fd_out == -1)
|
|
|
5694 {
|
|
|
5695 close(fd_in);
|
|
|
5696 return -1;
|
|
|
5697 }
|
|
|
5698
|
|
|
5699 buffer = (char *)alloc(BUFSIZE);
|
|
|
5700 if (buffer == NULL)
|
|
|
5701 {
|
|
|
5702 close(fd_in);
|
|
|
5703 close(fd_out);
|
|
|
5704 return -1;
|
|
|
5705 }
|
|
|
5706
|
|
|
5707 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0)
|
|
|
5708 if (vim_write(fd_out, buffer, n) != n)
|
|
|
5709 {
|
|
|
5710 errmsg = _("E208: Error writing to \"%s\"");
|
|
|
5711 break;
|
|
|
5712 }
|
|
|
5713
|
|
|
5714 vim_free(buffer);
|
|
|
5715 close(fd_in);
|
|
|
5716 if (close(fd_out) < 0)
|
|
|
5717 errmsg = _("E209: Error closing \"%s\"");
|
|
|
5718 if (n < 0)
|
|
|
5719 {
|
|
|
5720 errmsg = _("E210: Error reading \"%s\"");
|
|
|
5721 to = from;
|
|
|
5722 }
|
|
|
5723 if (errmsg != NULL)
|
|
|
5724 {
|
|
|
5725 EMSG2(errmsg, to);
|
|
|
5726 return -1;
|
|
|
5727 }
|
|
|
5728 mch_remove(from);
|
|
|
5729 return 0;
|
|
|
5730 }
|
|
|
5731
|
|
|
5732 static int already_warned = FALSE;
|
|
|
5733
|
|
|
5734 /*
|
|
|
5735 * Check if any not hidden buffer has been changed.
|
|
|
5736 * Postpone the check if there are characters in the stuff buffer, a global
|
|
|
5737 * command is being executed, a mapping is being executed or an autocommand is
|
|
|
5738 * busy.
|
|
|
5739 * Returns TRUE if some message was written (screen should be redrawn and
|
|
|
5740 * cursor positioned).
|
|
|
5741 */
|
|
|
5742 int
|
|
|
5743 check_timestamps(focus)
|
|
|
5744 int focus; /* called for GUI focus event */
|
|
|
5745 {
|
|
|
5746 buf_T *buf;
|
|
|
5747 int didit = 0;
|
|
|
5748 int n;
|
|
|
5749
|
|
|
5750 /* Don't check timestamps while system() or another low-level function may
|
|
|
5751 * cause us to lose and gain focus. */
|
|
|
5752 if (no_check_timestamps > 0)
|
|
|
5753 return FALSE;
|
|
|
5754
|
|
|
5755 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus
|
|
|
5756 * event and we would keep on checking if the file is steadily growing.
|
|
|
5757 * Do check again after typing something. */
|
|
|
5758 if (focus && did_check_timestamps)
|
|
|
5759 {
|
|
|
5760 need_check_timestamps = TRUE;
|
|
|
5761 return FALSE;
|
|
|
5762 }
|
|
|
5763
|
|
|
5764 if (!stuff_empty() || global_busy || !typebuf_typed()
|
|
|
5765 #ifdef FEAT_AUTOCMD
|
|
|
5766 || autocmd_busy
|
|
|
5767 #endif
|
|
|
5768 )
|
|
|
5769 need_check_timestamps = TRUE; /* check later */
|
|
|
5770 else
|
|
|
5771 {
|
|
|
5772 ++no_wait_return;
|
|
|
5773 did_check_timestamps = TRUE;
|
|
|
5774 already_warned = FALSE;
|
|
|
5775 for (buf = firstbuf; buf != NULL; )
|
|
|
5776 {
|
|
|
5777 /* Only check buffers in a window. */
|
|
|
5778 if (buf->b_nwindows > 0)
|
|
|
5779 {
|
|
|
5780 n = buf_check_timestamp(buf, focus);
|
|
|
5781 if (didit < n)
|
|
|
5782 didit = n;
|
|
|
5783 if (n > 0 && !buf_valid(buf))
|
|
|
5784 {
|
|
|
5785 /* Autocommands have removed the buffer, start at the
|
|
|
5786 * first one again. */
|
|
|
5787 buf = firstbuf;
|
|
|
5788 continue;
|
|
|
5789 }
|
|
|
5790 }
|
|
|
5791 buf = buf->b_next;
|
|
|
5792 }
|
|
|
5793 --no_wait_return;
|
|
|
5794 need_check_timestamps = FALSE;
|
|
|
5795 if (need_wait_return && didit == 2)
|
|
|
5796 {
|
|
|
5797 /* make sure msg isn't overwritten */
|
|
|
5798 msg_puts((char_u *)"\n");
|
|
|
5799 out_flush();
|
|
|
5800 }
|
|
|
5801 }
|
|
|
5802 return didit;
|
|
|
5803 }
|
|
|
5804
|
|
|
5805 /*
|
|
|
5806 * Move all the lines from buffer "frombuf" to buffer "tobuf".
|
|
|
5807 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not
|
|
|
5808 * empty.
|
|
|
5809 */
|
|
|
5810 static int
|
|
|
5811 move_lines(frombuf, tobuf)
|
|
|
5812 buf_T *frombuf;
|
|
|
5813 buf_T *tobuf;
|
|
|
5814 {
|
|
|
5815 buf_T *tbuf = curbuf;
|
|
|
5816 int retval = OK;
|
|
|
5817 linenr_T lnum;
|
|
|
5818 char_u *p;
|
|
|
5819
|
|
|
5820 /* Copy the lines in "frombuf" to "tobuf". */
|
|
|
5821 curbuf = tobuf;
|
|
|
5822 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum)
|
|
|
5823 {
|
|
|
5824 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE));
|
|
|
5825 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL)
|
|
|
5826 {
|
|
|
5827 vim_free(p);
|
|
|
5828 retval = FAIL;
|
|
|
5829 break;
|
|
|
5830 }
|
|
|
5831 vim_free(p);
|
|
|
5832 }
|
|
|
5833
|
|
|
5834 /* Delete all the lines in "frombuf". */
|
|
|
5835 if (retval != FAIL)
|
|
|
5836 {
|
|
|
5837 curbuf = frombuf;
|
|
|
5838 while (!bufempty())
|
|
|
5839 if (ml_delete(curbuf->b_ml.ml_line_count, FALSE) == FAIL)
|
|
|
5840 {
|
|
|
5841 /* Oops! We could try putting back the saved lines, but that
|
|
|
5842 * might fail again... */
|
|
|
5843 retval = FAIL;
|
|
|
5844 break;
|
|
|
5845 }
|
|
|
5846 }
|
|
|
5847
|
|
|
5848 curbuf = tbuf;
|
|
|
5849 return retval;
|
|
|
5850 }
|
|
|
5851
|
|
|
5852 /*
|
|
|
5853 * Check if buffer "buf" has been changed.
|
|
|
5854 * Also check if the file for a new buffer unexpectedly appeared.
|
|
|
5855 * return 1 if a changed buffer was found.
|
|
|
5856 * return 2 if a message has been displayed.
|
|
|
5857 * return 0 otherwise.
|
|
|
5858 */
|
|
|
5859 /*ARGSUSED*/
|
|
|
5860 int
|
|
|
5861 buf_check_timestamp(buf, focus)
|
|
|
5862 buf_T *buf;
|
|
|
5863 int focus; /* called for GUI focus event */
|
|
|
5864 {
|
|
|
5865 struct stat st;
|
|
|
5866 int stat_res;
|
|
|
5867 int retval = 0;
|
|
|
5868 char_u *path;
|
|
|
5869 char_u *tbuf;
|
|
|
5870 char *mesg = NULL;
|
|
|
5871 char *mesg2;
|
|
|
5872 int helpmesg = FALSE;
|
|
|
5873 int reload = FALSE;
|
|
|
5874 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
5875 int can_reload = FALSE;
|
|
|
5876 #endif
|
|
|
5877 size_t orig_size = buf->b_orig_size;
|
|
|
5878 int orig_mode = buf->b_orig_mode;
|
|
|
5879 #ifdef FEAT_GUI
|
|
|
5880 int save_mouse_correct = need_mouse_correct;
|
|
|
5881 #endif
|
|
|
5882 #ifdef FEAT_AUTOCMD
|
|
|
5883 static int busy = FALSE;
|
|
|
5884 #endif
|
|
|
5885
|
|
|
5886 /* If there is no file name, the buffer is not loaded, 'buftype' is
|
|
|
5887 * set, we are in the middle of a save or being called recursively: ignore
|
|
|
5888 * this buffer. */
|
|
|
5889 if (buf->b_ffname == NULL
|
|
|
5890 || buf->b_ml.ml_mfp == NULL
|
|
|
5891 #if defined(FEAT_QUICKFIX)
|
|
|
5892 || *buf->b_p_bt != NUL
|
|
|
5893 #endif
|
|
|
5894 || buf->b_saving
|
|
|
5895 #ifdef FEAT_AUTOCMD
|
|
|
5896 || busy
|
|
|
5897 #endif
|
|
|
5898 )
|
|
|
5899 return 0;
|
|
|
5900
|
|
|
5901 if ( !(buf->b_flags & BF_NOTEDITED)
|
|
|
5902 && buf->b_mtime != 0
|
|
|
5903 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0
|
|
|
5904 || time_differs((long)st.st_mtime, buf->b_mtime)
|
|
|
5905 #ifdef HAVE_ST_MODE
|
|
|
5906 || (int)st.st_mode != buf->b_orig_mode
|
|
|
5907 #else
|
|
|
5908 || mch_getperm(buf->b_ffname) != buf->b_orig_mode
|
|
|
5909 #endif
|
|
|
5910 ))
|
|
|
5911 {
|
|
|
5912 retval = 1;
|
|
|
5913
|
|
|
5914 /* set b_mtime to stop further warnings */
|
|
|
5915 if (stat_res < 0)
|
|
|
5916 {
|
|
|
5917 buf->b_mtime = 0;
|
|
|
5918 buf->b_orig_size = 0;
|
|
|
5919 buf->b_orig_mode = 0;
|
|
|
5920 }
|
|
|
5921 else
|
|
|
5922 buf_store_time(buf, &st, buf->b_ffname);
|
|
|
5923
|
|
|
5924 /* Don't do anything for a directory. Might contain the file
|
|
|
5925 * explorer. */
|
|
|
5926 if (mch_isdir(buf->b_fname))
|
|
|
5927 ;
|
|
|
5928
|
|
|
5929 /*
|
|
|
5930 * If 'autoread' is set, the buffer has no changes and the file still
|
|
|
5931 * exists, reload the buffer. Use the buffer-local option value if it
|
|
|
5932 * was set, the global option value otherwise.
|
|
|
5933 */
|
|
|
5934 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar)
|
|
|
5935 && !bufIsChanged(buf) && stat_res >= 0)
|
|
|
5936 reload = TRUE;
|
|
|
5937 else
|
|
|
5938 {
|
|
|
5939 #ifdef FEAT_AUTOCMD
|
|
|
5940 int n;
|
|
|
5941
|
|
|
5942 /*
|
|
|
5943 * Only give the warning if there are no FileChangedShell
|
|
|
5944 * autocommands.
|
|
|
5945 * Avoid being called recursively by setting "busy".
|
|
|
5946 */
|
|
|
5947 busy = TRUE;
|
|
|
5948 n = apply_autocmds(EVENT_FILECHANGEDSHELL,
|
|
|
5949 buf->b_fname, buf->b_fname, FALSE, buf);
|
|
|
5950 busy = FALSE;
|
|
|
5951 if (n)
|
|
|
5952 {
|
|
|
5953 if (!buf_valid(buf))
|
|
|
5954 EMSG(_("E246: FileChangedShell autocommand deleted buffer"));
|
|
|
5955 return 2;
|
|
|
5956 }
|
|
|
5957 else
|
|
|
5958 #endif
|
|
|
5959 {
|
|
|
5960 if (stat_res < 0)
|
|
|
5961 mesg = _("E211: Warning: File \"%s\" no longer available");
|
|
|
5962 else
|
|
|
5963 {
|
|
|
5964 helpmesg = TRUE;
|
|
|
5965 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
5966 can_reload = TRUE;
|
|
|
5967 #endif
|
|
|
5968 /*
|
|
|
5969 * Check if the file contents really changed to avoid
|
|
|
5970 * giving a warning when only the timestamp was set (e.g.,
|
|
|
5971 * checked out of CVS). Always warn when the buffer was
|
|
|
5972 * changed.
|
|
|
5973 */
|
|
|
5974 if (bufIsChanged(buf))
|
|
|
5975 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well");
|
|
|
5976 else if (orig_size != buf->b_orig_size
|
|
|
5977 || buf_contents_changed(buf))
|
|
|
5978 mesg = _("W11: Warning: File \"%s\" has changed since editing started");
|
|
|
5979 else if (orig_mode != buf->b_orig_mode)
|
|
|
5980 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started");
|
|
|
5981 }
|
|
|
5982 }
|
|
|
5983 }
|
|
|
5984
|
|
|
5985 }
|
|
|
5986 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W)
|
|
|
5987 && vim_fexists(buf->b_ffname))
|
|
|
5988 {
|
|
|
5989 retval = 1;
|
|
|
5990 mesg = _("W13: Warning: File \"%s\" has been created after editing started");
|
|
|
5991 buf->b_flags |= BF_NEW_W;
|
|
|
5992 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
5993 can_reload = TRUE;
|
|
|
5994 #endif
|
|
|
5995 }
|
|
|
5996
|
|
|
5997 if (mesg != NULL)
|
|
|
5998 {
|
|
|
5999 path = home_replace_save(buf, buf->b_fname);
|
|
|
6000 if (path != NULL)
|
|
|
6001 {
|
|
|
6002 if (helpmesg)
|
|
|
6003 mesg2 = _("See \":help W11\" for more info.");
|
|
|
6004 else
|
|
|
6005 mesg2 = "";
|
|
|
6006 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg)
|
|
|
6007 + STRLEN(mesg2) + 2));
|
|
|
6008 sprintf((char *)tbuf, mesg, path);
|
|
|
6009 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
6010 if (can_reload)
|
|
|
6011 {
|
|
|
6012 if (*mesg2 != NUL)
|
|
|
6013 {
|
|
|
6014 STRCAT(tbuf, "\n");
|
|
|
6015 STRCAT(tbuf, mesg2);
|
|
|
6016 }
|
|
|
6017 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf,
|
|
|
6018 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2)
|
|
|
6019 reload = TRUE;
|
|
|
6020 }
|
|
|
6021 else
|
|
|
6022 #endif
|
|
|
6023 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned)
|
|
|
6024 {
|
|
|
6025 if (*mesg2 != NUL)
|
|
|
6026 {
|
|
|
6027 STRCAT(tbuf, "; ");
|
|
|
6028 STRCAT(tbuf, mesg2);
|
|
|
6029 }
|
|
|
6030 EMSG(tbuf);
|
|
|
6031 retval = 2;
|
|
|
6032 }
|
|
|
6033 else
|
|
|
6034 {
|
|
8
|
6035 # ifdef FEAT_AUTOCMD
|
|
7
|
6036 if (!autocmd_busy)
|
|
8
|
6037 # endif
|
|
7
|
6038 {
|
|
|
6039 msg_start();
|
|
|
6040 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST);
|
|
|
6041 if (*mesg2 != NUL)
|
|
|
6042 msg_puts_attr((char_u *)mesg2,
|
|
|
6043 hl_attr(HLF_W) + MSG_HIST);
|
|
|
6044 msg_clr_eos();
|
|
|
6045 (void)msg_end();
|
|
|
6046 if (emsg_silent == 0)
|
|
|
6047 {
|
|
|
6048 out_flush();
|
|
8
|
6049 # ifdef FEAT_GUI
|
|
7
|
6050 if (!focus)
|
|
8
|
6051 # endif
|
|
7
|
6052 /* give the user some time to think about it */
|
|
|
6053 ui_delay(1000L, TRUE);
|
|
|
6054
|
|
|
6055 /* don't redraw and erase the message */
|
|
|
6056 redraw_cmdline = FALSE;
|
|
|
6057 }
|
|
|
6058 }
|
|
|
6059 already_warned = TRUE;
|
|
|
6060 }
|
|
|
6061
|
|
|
6062 vim_free(path);
|
|
|
6063 vim_free(tbuf);
|
|
|
6064 }
|
|
|
6065 }
|
|
|
6066
|
|
|
6067 if (reload)
|
|
|
6068 {
|
|
|
6069 exarg_T ea;
|
|
|
6070 pos_T old_cursor;
|
|
|
6071 linenr_T old_topline;
|
|
|
6072 int old_ro = buf->b_p_ro;
|
|
|
6073 buf_T *savebuf;
|
|
|
6074 int saved = OK;
|
|
|
6075 #ifdef FEAT_AUTOCMD
|
|
|
6076 aco_save_T aco;
|
|
|
6077
|
|
|
6078 /* set curwin/curbuf for "buf" and save some things */
|
|
|
6079 aucmd_prepbuf(&aco, buf);
|
|
|
6080 #else
|
|
|
6081 buf_T *save_curbuf = curbuf;
|
|
|
6082
|
|
|
6083 curbuf = buf;
|
|
|
6084 curwin->w_buffer = buf;
|
|
|
6085 #endif
|
|
|
6086
|
|
|
6087 /* We only want to read the text from the file, not reset the syntax
|
|
|
6088 * highlighting, clear marks, diff status, etc. Force the fileformat
|
|
|
6089 * and encoding to be the same. */
|
|
|
6090 if (prep_exarg(&ea, buf) == OK)
|
|
|
6091 {
|
|
|
6092 old_cursor = curwin->w_cursor;
|
|
|
6093 old_topline = curwin->w_topline;
|
|
|
6094
|
|
|
6095 /*
|
|
|
6096 * To behave like when a new file is edited (matters for
|
|
|
6097 * BufReadPost autocommands) we first need to delete the current
|
|
|
6098 * buffer contents. But if reading the file fails we should keep
|
|
|
6099 * the old contents. Can't use memory only, the file might be
|
|
|
6100 * too big. Use a hidden buffer to move the buffer contents to.
|
|
|
6101 */
|
|
|
6102 if (bufempty())
|
|
|
6103 savebuf = NULL;
|
|
|
6104 else
|
|
|
6105 {
|
|
|
6106 /* Allocate a buffer without putting it in the buffer list. */
|
|
|
6107 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY);
|
|
|
6108 if (savebuf != NULL)
|
|
|
6109 {
|
|
|
6110 /* Open the memline. */
|
|
|
6111 curbuf = savebuf;
|
|
|
6112 curwin->w_buffer = savebuf;
|
|
|
6113 saved = ml_open();
|
|
|
6114 curbuf = buf;
|
|
|
6115 curwin->w_buffer = buf;
|
|
|
6116 }
|
|
|
6117 if (savebuf == NULL || saved == FAIL
|
|
|
6118 || move_lines(buf, savebuf) == FAIL)
|
|
|
6119 {
|
|
|
6120 EMSG2(_("E462: Could not prepare for reloading \"%s\""),
|
|
|
6121 buf->b_fname);
|
|
|
6122 saved = FAIL;
|
|
|
6123 }
|
|
|
6124 }
|
|
|
6125
|
|
|
6126 if (saved == OK)
|
|
|
6127 {
|
|
|
6128 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */
|
|
|
6129 #ifdef FEAT_AUTOCMD
|
|
|
6130 keep_filetype = TRUE; /* don't detect 'filetype' */
|
|
|
6131 #endif
|
|
|
6132 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0,
|
|
|
6133 (linenr_T)0,
|
|
|
6134 (linenr_T)MAXLNUM, &ea, READ_NEW) == FAIL)
|
|
|
6135 {
|
|
|
6136 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
|
|
|
6137 if (!aborting())
|
|
|
6138 #endif
|
|
|
6139 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname);
|
|
|
6140 if (savebuf != NULL)
|
|
|
6141 {
|
|
|
6142 /* Put the text back from the save buffer. First
|
|
|
6143 * delete any lines that readfile() added. */
|
|
|
6144 while (!bufempty())
|
|
|
6145 if (ml_delete(curbuf->b_ml.ml_line_count, FALSE)
|
|
|
6146 == FAIL)
|
|
|
6147 break;
|
|
|
6148 (void)move_lines(savebuf, buf);
|
|
|
6149 }
|
|
|
6150 }
|
|
|
6151 else
|
|
|
6152 {
|
|
|
6153 /* Mark the buffer as unmodified and free undo info. */
|
|
|
6154 unchanged(buf, TRUE);
|
|
|
6155 u_blockfree(buf);
|
|
|
6156 u_clearall(buf);
|
|
|
6157 }
|
|
|
6158 }
|
|
|
6159 vim_free(ea.cmd);
|
|
|
6160
|
|
|
6161 if (savebuf != NULL)
|
|
|
6162 wipe_buffer(savebuf, FALSE);
|
|
|
6163
|
|
|
6164 #ifdef FEAT_DIFF
|
|
|
6165 /* Invalidate diff info if necessary. */
|
|
|
6166 diff_invalidate();
|
|
|
6167 #endif
|
|
|
6168
|
|
|
6169 /* Restore the topline and cursor position and check it (lines may
|
|
|
6170 * have been removed). */
|
|
|
6171 if (old_topline > curbuf->b_ml.ml_line_count)
|
|
|
6172 curwin->w_topline = curbuf->b_ml.ml_line_count;
|
|
|
6173 else
|
|
|
6174 curwin->w_topline = old_topline;
|
|
|
6175 curwin->w_cursor = old_cursor;
|
|
|
6176 check_cursor();
|
|
|
6177 update_topline();
|
|
|
6178 #ifdef FEAT_AUTOCMD
|
|
|
6179 keep_filetype = FALSE;
|
|
|
6180 #endif
|
|
|
6181 #ifdef FEAT_FOLDING
|
|
|
6182 {
|
|
|
6183 win_T *wp;
|
|
|
6184
|
|
|
6185 /* Update folds unless they are defined manually. */
|
|
|
6186 FOR_ALL_WINDOWS(wp)
|
|
|
6187 if (wp->w_buffer == curwin->w_buffer
|
|
|
6188 && !foldmethodIsManual(wp))
|
|
|
6189 foldUpdateAll(wp);
|
|
|
6190 }
|
|
|
6191 #endif
|
|
|
6192 /* If the mode didn't change and 'readonly' was set, keep the old
|
|
|
6193 * value; the user probably used the ":view" command. But don't
|
|
|
6194 * reset it, might have had a read error. */
|
|
|
6195 if (orig_mode == curbuf->b_orig_mode)
|
|
|
6196 curbuf->b_p_ro |= old_ro;
|
|
|
6197 }
|
|
|
6198
|
|
|
6199 #ifdef FEAT_AUTOCMD
|
|
|
6200 /* restore curwin/curbuf and a few other things */
|
|
|
6201 aucmd_restbuf(&aco);
|
|
|
6202 /* Careful: autocommands may have made "buf" invalid! */
|
|
|
6203 #else
|
|
|
6204 curwin->w_buffer = save_curbuf;
|
|
|
6205 curbuf = save_curbuf;
|
|
|
6206 #endif
|
|
|
6207 }
|
|
|
6208
|
|
|
6209 #ifdef FEAT_GUI
|
|
|
6210 /* restore this in case an autocommand has set it; it would break
|
|
|
6211 * 'mousefocus' */
|
|
|
6212 need_mouse_correct = save_mouse_correct;
|
|
|
6213 #endif
|
|
|
6214
|
|
|
6215 return retval;
|
|
|
6216 }
|
|
|
6217
|
|
|
6218 /*ARGSUSED*/
|
|
|
6219 void
|
|
|
6220 buf_store_time(buf, st, fname)
|
|
|
6221 buf_T *buf;
|
|
|
6222 struct stat *st;
|
|
|
6223 char_u *fname;
|
|
|
6224 {
|
|
|
6225 buf->b_mtime = (long)st->st_mtime;
|
|
|
6226 buf->b_orig_size = (size_t)st->st_size;
|
|
|
6227 #ifdef HAVE_ST_MODE
|
|
|
6228 buf->b_orig_mode = (int)st->st_mode;
|
|
|
6229 #else
|
|
|
6230 buf->b_orig_mode = mch_getperm(fname);
|
|
|
6231 #endif
|
|
|
6232 }
|
|
|
6233
|
|
|
6234 /*
|
|
|
6235 * Adjust the line with missing eol, used for the next write.
|
|
|
6236 * Used for do_filter(), when the input lines for the filter are deleted.
|
|
|
6237 */
|
|
|
6238 void
|
|
|
6239 write_lnum_adjust(offset)
|
|
|
6240 linenr_T offset;
|
|
|
6241 {
|
|
|
6242 if (write_no_eol_lnum) /* only if there is a missing eol */
|
|
|
6243 write_no_eol_lnum += offset;
|
|
|
6244 }
|
|
|
6245
|
|
|
6246 #if defined(TEMPDIRNAMES) || defined(PROTO)
|
|
|
6247 static long temp_count = 0; /* Temp filename counter. */
|
|
|
6248
|
|
|
6249 /*
|
|
|
6250 * Delete the temp directory and all files it contains.
|
|
|
6251 */
|
|
|
6252 void
|
|
|
6253 vim_deltempdir()
|
|
|
6254 {
|
|
|
6255 char_u **files;
|
|
|
6256 int file_count;
|
|
|
6257 int i;
|
|
|
6258
|
|
|
6259 if (vim_tempdir != NULL)
|
|
|
6260 {
|
|
|
6261 sprintf((char *)NameBuff, "%s*", vim_tempdir);
|
|
|
6262 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files,
|
|
|
6263 EW_DIR|EW_FILE|EW_SILENT) == OK)
|
|
|
6264 {
|
|
|
6265 for (i = 0; i < file_count; ++i)
|
|
|
6266 mch_remove(files[i]);
|
|
|
6267 FreeWild(file_count, files);
|
|
|
6268 }
|
|
|
6269 gettail(NameBuff)[-1] = NUL;
|
|
|
6270 (void)mch_rmdir(NameBuff);
|
|
|
6271
|
|
|
6272 vim_free(vim_tempdir);
|
|
|
6273 vim_tempdir = NULL;
|
|
|
6274 }
|
|
|
6275 }
|
|
|
6276 #endif
|
|
|
6277
|
|
|
6278 /*
|
|
|
6279 * vim_tempname(): Return a unique name that can be used for a temp file.
|
|
|
6280 *
|
|
|
6281 * The temp file is NOT created.
|
|
|
6282 *
|
|
|
6283 * The returned pointer is to allocated memory.
|
|
|
6284 * The returned pointer is NULL if no valid name was found.
|
|
|
6285 */
|
|
|
6286 /*ARGSUSED*/
|
|
|
6287 char_u *
|
|
|
6288 vim_tempname(extra_char)
|
|
|
6289 int extra_char; /* character to use in the name instead of '?' */
|
|
|
6290 {
|
|
|
6291 #ifdef USE_TMPNAM
|
|
|
6292 char_u itmp[L_tmpnam]; /* use tmpnam() */
|
|
|
6293 #else
|
|
|
6294 char_u itmp[TEMPNAMELEN];
|
|
|
6295 #endif
|
|
|
6296
|
|
|
6297 #ifdef TEMPDIRNAMES
|
|
|
6298 static char *(tempdirs[]) = {TEMPDIRNAMES};
|
|
|
6299 int i;
|
|
|
6300 long nr;
|
|
|
6301 long off;
|
|
|
6302 # ifndef EEXIST
|
|
|
6303 struct stat st;
|
|
|
6304 # endif
|
|
|
6305
|
|
|
6306 /*
|
|
|
6307 * This will create a directory for private use by this instance of Vim.
|
|
|
6308 * This is done once, and the same directory is used for all temp files.
|
|
|
6309 * This method avoids security problems because of symlink attacks et al.
|
|
|
6310 * It's also a bit faster, because we only need to check for an existing
|
|
|
6311 * file when creating the directory and not for each temp file.
|
|
|
6312 */
|
|
|
6313 if (vim_tempdir == NULL)
|
|
|
6314 {
|
|
|
6315 /*
|
|
|
6316 * Try the entries in TEMPDIRNAMES to create the temp directory.
|
|
|
6317 */
|
|
|
6318 for (i = 0; i < sizeof(tempdirs) / sizeof(char *); ++i)
|
|
|
6319 {
|
|
|
6320 /* expand $TMP, leave room for "/v1100000/999999999" */
|
|
|
6321 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20);
|
|
|
6322 if (mch_isdir(itmp)) /* directory exists */
|
|
|
6323 {
|
|
|
6324 # ifdef __EMX__
|
|
|
6325 /* If $TMP contains a forward slash (perhaps using bash or
|
|
|
6326 * tcsh), don't add a backslash, use a forward slash!
|
|
|
6327 * Adding 2 backslashes didn't work. */
|
|
|
6328 if (vim_strchr(itmp, '/') != NULL)
|
|
|
6329 STRCAT(itmp, "/");
|
|
|
6330 else
|
|
|
6331 # endif
|
|
|
6332 add_pathsep(itmp);
|
|
|
6333
|
|
|
6334 /* Get an arbitrary number of up to 6 digits. When it's
|
|
|
6335 * unlikely that it already exists it will be faster,
|
|
|
6336 * otherwise it doesn't matter. The use of mkdir() avoids any
|
|
|
6337 * security problems because of the predictable number. */
|
|
|
6338 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L;
|
|
|
6339
|
|
|
6340 /* Try up to 10000 different values until we find a name that
|
|
|
6341 * doesn't exist. */
|
|
|
6342 for (off = 0; off < 10000L; ++off)
|
|
|
6343 {
|
|
|
6344 int r;
|
|
|
6345 #if defined(UNIX) || defined(VMS)
|
|
|
6346 mode_t umask_save;
|
|
|
6347 #endif
|
|
|
6348
|
|
|
6349 sprintf((char *)itmp + STRLEN(itmp), "v%ld", nr + off);
|
|
|
6350 # ifndef EEXIST
|
|
|
6351 /* If mkdir() does not set errno to EEXIST, check for
|
|
|
6352 * existing file here. There is a race condition then,
|
|
|
6353 * although it's fail-safe. */
|
|
|
6354 if (mch_stat((char *)itmp, &st) >= 0)
|
|
|
6355 continue;
|
|
|
6356 # endif
|
|
|
6357 #if defined(UNIX) || defined(VMS)
|
|
|
6358 /* Make sure the umask doesn't remove the executable bit.
|
|
|
6359 * "repl" has been reported to use "177". */
|
|
|
6360 umask_save = umask(077);
|
|
|
6361 #endif
|
|
|
6362 r = vim_mkdir(itmp, 0700);
|
|
|
6363 #if defined(UNIX) || defined(VMS)
|
|
|
6364 (void)umask(umask_save);
|
|
|
6365 #endif
|
|
|
6366 if (r == 0)
|
|
|
6367 {
|
|
|
6368 char_u *buf;
|
|
|
6369
|
|
|
6370 /* Directory was created, use this name.
|
|
|
6371 * Expand to full path; When using the current
|
|
|
6372 * directory a ":cd" would confuse us. */
|
|
|
6373 buf = alloc((unsigned)MAXPATHL + 1);
|
|
|
6374 if (buf != NULL)
|
|
|
6375 {
|
|
|
6376 if (vim_FullName(itmp, buf, MAXPATHL, FALSE)
|
|
|
6377 == FAIL)
|
|
|
6378 STRCPY(buf, itmp);
|
|
|
6379 # ifdef __EMX__
|
|
|
6380 if (vim_strchr(buf, '/') != NULL)
|
|
|
6381 STRCAT(buf, "/");
|
|
|
6382 else
|
|
|
6383 # endif
|
|
|
6384 add_pathsep(buf);
|
|
|
6385 vim_tempdir = vim_strsave(buf);
|
|
|
6386 vim_free(buf);
|
|
|
6387 }
|
|
|
6388 break;
|
|
|
6389 }
|
|
|
6390 # ifdef EEXIST
|
|
|
6391 /* If the mkdir() didn't fail because the file/dir exists,
|
|
|
6392 * we probably can't create any dir here, try another
|
|
|
6393 * place. */
|
|
|
6394 if (errno != EEXIST)
|
|
|
6395 # endif
|
|
|
6396 break;
|
|
|
6397 }
|
|
|
6398 if (vim_tempdir != NULL)
|
|
|
6399 break;
|
|
|
6400 }
|
|
|
6401 }
|
|
|
6402 }
|
|
|
6403
|
|
|
6404 if (vim_tempdir != NULL)
|
|
|
6405 {
|
|
|
6406 /* There is no need to check if the file exists, because we own the
|
|
|
6407 * directory and nobody else creates a file in it. */
|
|
|
6408 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++);
|
|
|
6409 return vim_strsave(itmp);
|
|
|
6410 }
|
|
|
6411
|
|
|
6412 return NULL;
|
|
|
6413
|
|
|
6414 #else /* TEMPDIRNAMES */
|
|
|
6415
|
|
|
6416 # ifdef WIN3264
|
|
|
6417 char szTempFile[_MAX_PATH + 1];
|
|
|
6418 char buf4[4];
|
|
|
6419 char_u *retval;
|
|
|
6420 char_u *p;
|
|
|
6421
|
|
|
6422 STRCPY(itmp, "");
|
|
|
6423 if (GetTempPath(_MAX_PATH, szTempFile) == 0)
|
|
|
6424 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */
|
|
|
6425 strcpy(buf4, "VIM");
|
|
|
6426 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */
|
|
|
6427 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0)
|
|
|
6428 return NULL;
|
|
|
6429 /* GetTempFileName() will create the file, we don't want that */
|
|
|
6430 (void)DeleteFile(itmp);
|
|
|
6431
|
|
|
6432 /* Backslashes in a temp file name cause problems when filtering with
|
|
|
6433 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who
|
|
|
6434 * didn't set 'shellslash'. */
|
|
|
6435 retval = vim_strsave(itmp);
|
|
|
6436 if (*p_shcf == '-' || p_ssl)
|
|
|
6437 for (p = retval; *p; ++p)
|
|
|
6438 if (*p == '\\')
|
|
|
6439 *p = '/';
|
|
|
6440 return retval;
|
|
|
6441
|
|
|
6442 # else /* WIN3264 */
|
|
|
6443
|
|
|
6444 # ifdef USE_TMPNAM
|
|
|
6445 /* tmpnam() will make its own name */
|
|
|
6446 if (*tmpnam((char *)itmp) == NUL)
|
|
|
6447 return NULL;
|
|
|
6448 # else
|
|
|
6449 char_u *p;
|
|
|
6450
|
|
|
6451 # ifdef VMS_TEMPNAM
|
|
|
6452 /* mktemp() is not working on VMS. It seems to be
|
|
|
6453 * a do-nothing function. Therefore we use tempnam().
|
|
|
6454 */
|
|
|
6455 sprintf((char *)itmp, "VIM%c", extra_char);
|
|
|
6456 p = (char_u *)tempnam("tmp:", (char *)itmp);
|
|
|
6457 if (p != NULL)
|
|
|
6458 {
|
|
|
6459 /* VMS will use '.LOG' if we don't explicitly specify an extension,
|
|
|
6460 * and VIM will then be unable to find the file later */
|
|
|
6461 STRCPY(itmp, p);
|
|
|
6462 STRCAT(itmp, ".txt");
|
|
|
6463 free(p);
|
|
|
6464 }
|
|
|
6465 else
|
|
|
6466 return NULL;
|
|
|
6467 # else
|
|
|
6468 STRCPY(itmp, TEMPNAME);
|
|
|
6469 if ((p = vim_strchr(itmp, '?')) != NULL)
|
|
|
6470 *p = extra_char;
|
|
|
6471 if (mktemp((char *)itmp) == NULL)
|
|
|
6472 return NULL;
|
|
|
6473 # endif
|
|
|
6474 # endif
|
|
|
6475
|
|
|
6476 return vim_strsave(itmp);
|
|
|
6477 # endif /* WIN3264 */
|
|
|
6478 #endif /* TEMPDIRNAMES */
|
|
|
6479 }
|
|
|
6480
|
|
|
6481 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
|
|
|
6482 /*
|
|
|
6483 * Convert all backslashes in fname to forward slashes in-place.
|
|
|
6484 */
|
|
|
6485 void
|
|
|
6486 forward_slash(fname)
|
|
|
6487 char_u *fname;
|
|
|
6488 {
|
|
|
6489 char_u *p;
|
|
|
6490
|
|
|
6491 for (p = fname; *p != NUL; ++p)
|
|
|
6492 # ifdef FEAT_MBYTE
|
|
|
6493 /* The Big5 encoding can have '\' in the trail byte. */
|
|
|
6494 if (enc_dbcs != 0 && (*mb_ptr2len_check)(p) > 1)
|
|
|
6495 ++p;
|
|
|
6496 else
|
|
|
6497 # endif
|
|
|
6498 if (*p == '\\')
|
|
|
6499 *p = '/';
|
|
|
6500 }
|
|
|
6501 #endif
|
|
|
6502
|
|
|
6503
|
|
|
6504 /*
|
|
|
6505 * Code for automatic commands.
|
|
|
6506 *
|
|
|
6507 * Only included when "FEAT_AUTOCMD" has been defined.
|
|
|
6508 */
|
|
|
6509
|
|
|
6510 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
6511
|
|
|
6512 /*
|
|
|
6513 * The autocommands are stored in a list for each event.
|
|
|
6514 * Autocommands for the same pattern, that are consecutive, are joined
|
|
|
6515 * together, to avoid having to match the pattern too often.
|
|
|
6516 * The result is an array of Autopat lists, which point to AutoCmd lists:
|
|
|
6517 *
|
|
|
6518 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL
|
|
|
6519 * Autopat.cmds Autopat.cmds
|
|
|
6520 * | |
|
|
|
6521 * V V
|
|
|
6522 * AutoCmd.next AutoCmd.next
|
|
|
6523 * | |
|
|
|
6524 * V V
|
|
|
6525 * AutoCmd.next NULL
|
|
|
6526 * |
|
|
|
6527 * V
|
|
|
6528 * NULL
|
|
|
6529 *
|
|
|
6530 * first_autopat[1] --> Autopat.next --> NULL
|
|
|
6531 * Autopat.cmds
|
|
|
6532 * |
|
|
|
6533 * V
|
|
|
6534 * AutoCmd.next
|
|
|
6535 * |
|
|
|
6536 * V
|
|
|
6537 * NULL
|
|
|
6538 * etc.
|
|
|
6539 *
|
|
|
6540 * The order of AutoCmds is important, this is the order in which they were
|
|
|
6541 * defined and will have to be executed.
|
|
|
6542 */
|
|
|
6543 typedef struct AutoCmd
|
|
|
6544 {
|
|
|
6545 char_u *cmd; /* The command to be executed (NULL
|
|
|
6546 when command has been removed) */
|
|
|
6547 char nested; /* If autocommands nest here */
|
|
|
6548 char last; /* last command in list */
|
|
|
6549 #ifdef FEAT_EVAL
|
|
|
6550 scid_T scriptID; /* script ID where defined */
|
|
|
6551 #endif
|
|
|
6552 struct AutoCmd *next; /* Next AutoCmd in list */
|
|
|
6553 } AutoCmd;
|
|
|
6554
|
|
|
6555 typedef struct AutoPat
|
|
|
6556 {
|
|
|
6557 int group; /* group ID */
|
|
|
6558 char_u *pat; /* pattern as typed (NULL when pattern
|
|
|
6559 has been removed) */
|
|
|
6560 int patlen; /* strlen() of pat */
|
|
|
6561 char_u *reg_pat; /* pattern converted to regexp */
|
|
|
6562 char allow_dirs; /* Pattern may match whole path */
|
|
|
6563 char last; /* last pattern for apply_autocmds() */
|
|
|
6564 AutoCmd *cmds; /* list of commands to do */
|
|
|
6565 struct AutoPat *next; /* next AutoPat in AutoPat list */
|
|
|
6566 } AutoPat;
|
|
|
6567
|
|
|
6568 static struct event_name
|
|
|
6569 {
|
|
|
6570 char *name; /* event name */
|
|
|
6571 EVENT_T event; /* event number */
|
|
|
6572 } event_names[] =
|
|
|
6573 {
|
|
|
6574 {"BufAdd", EVENT_BUFADD},
|
|
|
6575 {"BufCreate", EVENT_BUFADD},
|
|
|
6576 {"BufDelete", EVENT_BUFDELETE},
|
|
|
6577 {"BufEnter", EVENT_BUFENTER},
|
|
|
6578 {"BufFilePost", EVENT_BUFFILEPOST},
|
|
|
6579 {"BufFilePre", EVENT_BUFFILEPRE},
|
|
|
6580 {"BufHidden", EVENT_BUFHIDDEN},
|
|
|
6581 {"BufLeave", EVENT_BUFLEAVE},
|
|
|
6582 {"BufNew", EVENT_BUFNEW},
|
|
|
6583 {"BufNewFile", EVENT_BUFNEWFILE},
|
|
|
6584 {"BufRead", EVENT_BUFREADPOST},
|
|
|
6585 {"BufReadCmd", EVENT_BUFREADCMD},
|
|
|
6586 {"BufReadPost", EVENT_BUFREADPOST},
|
|
|
6587 {"BufReadPre", EVENT_BUFREADPRE},
|
|
|
6588 {"BufUnload", EVENT_BUFUNLOAD},
|
|
|
6589 {"BufWinEnter", EVENT_BUFWINENTER},
|
|
|
6590 {"BufWinLeave", EVENT_BUFWINLEAVE},
|
|
|
6591 {"BufWipeout", EVENT_BUFWIPEOUT},
|
|
|
6592 {"BufWrite", EVENT_BUFWRITEPRE},
|
|
|
6593 {"BufWritePost", EVENT_BUFWRITEPOST},
|
|
|
6594 {"BufWritePre", EVENT_BUFWRITEPRE},
|
|
|
6595 {"BufWriteCmd", EVENT_BUFWRITECMD},
|
|
|
6596 {"CmdwinEnter", EVENT_CMDWINENTER},
|
|
|
6597 {"CmdwinLeave", EVENT_CMDWINLEAVE},
|
|
12
|
6598 {"ColorScheme", EVENT_COLORSCHEME},
|
|
7
|
6599 {"EncodingChanged", EVENT_ENCODINGCHANGED},
|
|
|
6600 {"FileEncoding", EVENT_ENCODINGCHANGED},
|
|
|
6601 {"CursorHold", EVENT_CURSORHOLD},
|
|
|
6602 {"FileAppendPost", EVENT_FILEAPPENDPOST},
|
|
|
6603 {"FileAppendPre", EVENT_FILEAPPENDPRE},
|
|
|
6604 {"FileAppendCmd", EVENT_FILEAPPENDCMD},
|
|
|
6605 {"FileChangedShell",EVENT_FILECHANGEDSHELL},
|
|
|
6606 {"FileChangedRO", EVENT_FILECHANGEDRO},
|
|
|
6607 {"FileReadPost", EVENT_FILEREADPOST},
|
|
|
6608 {"FileReadPre", EVENT_FILEREADPRE},
|
|
|
6609 {"FileReadCmd", EVENT_FILEREADCMD},
|
|
|
6610 {"FileType", EVENT_FILETYPE},
|
|
|
6611 {"FileWritePost", EVENT_FILEWRITEPOST},
|
|
|
6612 {"FileWritePre", EVENT_FILEWRITEPRE},
|
|
|
6613 {"FileWriteCmd", EVENT_FILEWRITECMD},
|
|
|
6614 {"FilterReadPost", EVENT_FILTERREADPOST},
|
|
|
6615 {"FilterReadPre", EVENT_FILTERREADPRE},
|
|
|
6616 {"FilterWritePost", EVENT_FILTERWRITEPOST},
|
|
|
6617 {"FilterWritePre", EVENT_FILTERWRITEPRE},
|
|
|
6618 {"FocusGained", EVENT_FOCUSGAINED},
|
|
|
6619 {"FocusLost", EVENT_FOCUSLOST},
|
|
|
6620 {"FuncUndefined", EVENT_FUNCUNDEFINED},
|
|
|
6621 {"GUIEnter", EVENT_GUIENTER},
|
|
11
|
6622 {"InsertChange", EVENT_INSERTCHANGE},
|
|
|
6623 {"InsertEnter", EVENT_INSERTENTER},
|
|
|
6624 {"InsertLeave", EVENT_INSERTLEAVE},
|
|
7
|
6625 {"RemoteReply", EVENT_REMOTEREPLY},
|
|
|
6626 {"StdinReadPost", EVENT_STDINREADPOST},
|
|
|
6627 {"StdinReadPre", EVENT_STDINREADPRE},
|
|
|
6628 {"Syntax", EVENT_SYNTAX},
|
|
|
6629 {"TermChanged", EVENT_TERMCHANGED},
|
|
|
6630 {"TermResponse", EVENT_TERMRESPONSE},
|
|
|
6631 {"User", EVENT_USER},
|
|
|
6632 {"VimEnter", EVENT_VIMENTER},
|
|
|
6633 {"VimLeave", EVENT_VIMLEAVE},
|
|
|
6634 {"VimLeavePre", EVENT_VIMLEAVEPRE},
|
|
|
6635 {"WinEnter", EVENT_WINENTER},
|
|
|
6636 {"WinLeave", EVENT_WINLEAVE},
|
|
|
6637 {NULL, (EVENT_T)0}
|
|
|
6638 };
|
|
|
6639
|
|
|
6640 static AutoPat *first_autopat[NUM_EVENTS] =
|
|
|
6641 {
|
|
|
6642 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6643 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6644 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6645 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
18
|
6646 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6647 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
|
|
7
|
6648 };
|
|
|
6649
|
|
|
6650 /*
|
|
|
6651 * struct used to keep status while executing autocommands for an event.
|
|
|
6652 */
|
|
|
6653 typedef struct AutoPatCmd
|
|
|
6654 {
|
|
|
6655 AutoPat *curpat; /* next AutoPat to examine */
|
|
|
6656 AutoCmd *nextcmd; /* next AutoCmd to execute */
|
|
|
6657 int group; /* group being used */
|
|
|
6658 char_u *fname; /* fname to match with */
|
|
|
6659 char_u *sfname; /* sfname to match with */
|
|
|
6660 char_u *tail; /* tail of fname */
|
|
|
6661 EVENT_T event; /* current event */
|
|
|
6662 } AutoPatCmd;
|
|
|
6663
|
|
|
6664 /*
|
|
|
6665 * augroups stores a list of autocmd group names.
|
|
|
6666 */
|
|
|
6667 garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL};
|
|
|
6668 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i])
|
|
|
6669
|
|
|
6670 /*
|
|
|
6671 * The ID of the current group. Group 0 is the default one.
|
|
|
6672 */
|
|
|
6673 #define AUGROUP_DEFAULT -1 /* default autocmd group */
|
|
|
6674 #define AUGROUP_ERROR -2 /* errornouse autocmd group */
|
|
|
6675 #define AUGROUP_ALL -3 /* all autocmd groups */
|
|
|
6676 static int current_augroup = AUGROUP_DEFAULT;
|
|
|
6677
|
|
|
6678 static int au_need_clean = FALSE; /* need to delete marked patterns */
|
|
|
6679
|
|
|
6680 static void show_autocmd __ARGS((AutoPat *ap, EVENT_T event));
|
|
|
6681 static void au_remove_pat __ARGS((AutoPat *ap));
|
|
|
6682 static void au_remove_cmds __ARGS((AutoPat *ap));
|
|
|
6683 static void au_cleanup __ARGS((void));
|
|
|
6684 static int au_new_group __ARGS((char_u *name));
|
|
|
6685 static void au_del_group __ARGS((char_u *name));
|
|
|
6686 static int au_find_group __ARGS((char_u *name));
|
|
|
6687 static EVENT_T event_name2nr __ARGS((char_u *start, char_u **end));
|
|
|
6688 static char_u *event_nr2name __ARGS((EVENT_T event));
|
|
|
6689 static char_u *find_end_event __ARGS((char_u *arg, int have_group));
|
|
|
6690 static int event_ignored __ARGS((EVENT_T event));
|
|
|
6691 static int au_get_grouparg __ARGS((char_u **argp));
|
|
|
6692 static int do_autocmd_event __ARGS((EVENT_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group));
|
|
|
6693 static char_u *getnextac __ARGS((int c, void *cookie, int indent));
|
|
|
6694 static int apply_autocmds_group __ARGS((EVENT_T event, char_u *fname, char_u *fname_io, int force, int group, buf_T *buf, exarg_T *eap));
|
|
|
6695 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last));
|
|
|
6696
|
|
|
6697 static EVENT_T last_event;
|
|
|
6698 static int last_group;
|
|
|
6699
|
|
|
6700 /*
|
|
|
6701 * Show the autocommands for one AutoPat.
|
|
|
6702 */
|
|
|
6703 static void
|
|
|
6704 show_autocmd(ap, event)
|
|
|
6705 AutoPat *ap;
|
|
|
6706 EVENT_T event;
|
|
|
6707 {
|
|
|
6708 AutoCmd *ac;
|
|
|
6709
|
|
|
6710 /* Check for "got_int" (here and at various places below), which is set
|
|
|
6711 * when "q" has been hit for the "--more--" prompt */
|
|
|
6712 if (got_int)
|
|
|
6713 return;
|
|
|
6714 if (ap->pat == NULL) /* pattern has been removed */
|
|
|
6715 return;
|
|
|
6716
|
|
|
6717 msg_putchar('\n');
|
|
|
6718 if (got_int)
|
|
|
6719 return;
|
|
|
6720 if (event != last_event || ap->group != last_group)
|
|
|
6721 {
|
|
|
6722 if (ap->group != AUGROUP_DEFAULT)
|
|
|
6723 {
|
|
|
6724 if (AUGROUP_NAME(ap->group) == NULL)
|
|
|
6725 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E));
|
|
|
6726 else
|
|
|
6727 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T));
|
|
|
6728 msg_puts((char_u *)" ");
|
|
|
6729 }
|
|
|
6730 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T));
|
|
|
6731 last_event = event;
|
|
|
6732 last_group = ap->group;
|
|
|
6733 msg_putchar('\n');
|
|
|
6734 if (got_int)
|
|
|
6735 return;
|
|
|
6736 }
|
|
|
6737 msg_col = 4;
|
|
|
6738 msg_outtrans(ap->pat);
|
|
|
6739
|
|
|
6740 for (ac = ap->cmds; ac != NULL; ac = ac->next)
|
|
|
6741 {
|
|
|
6742 if (ac->cmd != NULL) /* skip removed commands */
|
|
|
6743 {
|
|
|
6744 if (msg_col >= 14)
|
|
|
6745 msg_putchar('\n');
|
|
|
6746 msg_col = 14;
|
|
|
6747 if (got_int)
|
|
|
6748 return;
|
|
|
6749 msg_outtrans(ac->cmd);
|
|
|
6750 if (got_int)
|
|
|
6751 return;
|
|
|
6752 if (ac->next != NULL)
|
|
|
6753 {
|
|
|
6754 msg_putchar('\n');
|
|
|
6755 if (got_int)
|
|
|
6756 return;
|
|
|
6757 }
|
|
|
6758 }
|
|
|
6759 }
|
|
|
6760 }
|
|
|
6761
|
|
|
6762 /*
|
|
|
6763 * Mark an autocommand pattern for deletion.
|
|
|
6764 */
|
|
|
6765 static void
|
|
|
6766 au_remove_pat(ap)
|
|
|
6767 AutoPat *ap;
|
|
|
6768 {
|
|
|
6769 vim_free(ap->pat);
|
|
|
6770 ap->pat = NULL;
|
|
|
6771 au_need_clean = TRUE;
|
|
|
6772 }
|
|
|
6773
|
|
|
6774 /*
|
|
|
6775 * Mark all commands for a pattern for deletion.
|
|
|
6776 */
|
|
|
6777 static void
|
|
|
6778 au_remove_cmds(ap)
|
|
|
6779 AutoPat *ap;
|
|
|
6780 {
|
|
|
6781 AutoCmd *ac;
|
|
|
6782
|
|
|
6783 for (ac = ap->cmds; ac != NULL; ac = ac->next)
|
|
|
6784 {
|
|
|
6785 vim_free(ac->cmd);
|
|
|
6786 ac->cmd = NULL;
|
|
|
6787 }
|
|
|
6788 au_need_clean = TRUE;
|
|
|
6789 }
|
|
|
6790
|
|
|
6791 /*
|
|
|
6792 * Cleanup autocommands and patterns that have been deleted.
|
|
|
6793 * This is only done when not executing autocommands.
|
|
|
6794 */
|
|
|
6795 static void
|
|
|
6796 au_cleanup()
|
|
|
6797 {
|
|
|
6798 AutoPat *ap, **prev_ap;
|
|
|
6799 AutoCmd *ac, **prev_ac;
|
|
|
6800 EVENT_T event;
|
|
|
6801
|
|
|
6802 if (autocmd_busy || !au_need_clean)
|
|
|
6803 return;
|
|
|
6804
|
|
|
6805 /* loop over all events */
|
|
|
6806 for (event = (EVENT_T)0; (int)event < (int)NUM_EVENTS;
|
|
|
6807 event = (EVENT_T)((int)event + 1))
|
|
|
6808 {
|
|
|
6809 /* loop over all autocommand patterns */
|
|
|
6810 prev_ap = &(first_autopat[(int)event]);
|
|
|
6811 for (ap = *prev_ap; ap != NULL; ap = *prev_ap)
|
|
|
6812 {
|
|
|
6813 /* loop over all commands for this pattern */
|
|
|
6814 prev_ac = &(ap->cmds);
|
|
|
6815 for (ac = *prev_ac; ac != NULL; ac = *prev_ac)
|
|
|
6816 {
|
|
|
6817 /* remove the command if the pattern is to be deleted or when
|
|
|
6818 * the command has been marked for deletion */
|
|
|
6819 if (ap->pat == NULL || ac->cmd == NULL)
|
|
|
6820 {
|
|
|
6821 *prev_ac = ac->next;
|
|
|
6822 vim_free(ac->cmd);
|
|
|
6823 vim_free(ac);
|
|
|
6824 }
|
|
|
6825 else
|
|
|
6826 prev_ac = &(ac->next);
|
|
|
6827 }
|
|
|
6828
|
|
|
6829 /* remove the pattern if it has been marked for deletion */
|
|
|
6830 if (ap->pat == NULL)
|
|
|
6831 {
|
|
|
6832 *prev_ap = ap->next;
|
|
|
6833 vim_free(ap->reg_pat);
|
|
|
6834 vim_free(ap);
|
|
|
6835 }
|
|
|
6836 else
|
|
|
6837 prev_ap = &(ap->next);
|
|
|
6838 }
|
|
|
6839 }
|
|
|
6840
|
|
|
6841 au_need_clean = FALSE;
|
|
|
6842 }
|
|
|
6843
|
|
|
6844 /*
|
|
|
6845 * Add an autocmd group name.
|
|
|
6846 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
|
|
|
6847 */
|
|
|
6848 static int
|
|
|
6849 au_new_group(name)
|
|
|
6850 char_u *name;
|
|
|
6851 {
|
|
|
6852 int i;
|
|
|
6853
|
|
|
6854 i = au_find_group(name);
|
|
|
6855 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */
|
|
|
6856 {
|
|
|
6857 /* First try using a free entry. */
|
|
|
6858 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
6859 if (AUGROUP_NAME(i) == NULL)
|
|
|
6860 break;
|
|
|
6861 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL)
|
|
|
6862 return AUGROUP_ERROR;
|
|
|
6863
|
|
|
6864 AUGROUP_NAME(i) = vim_strsave(name);
|
|
|
6865 if (AUGROUP_NAME(i) == NULL)
|
|
|
6866 return AUGROUP_ERROR;
|
|
|
6867 if (i == augroups.ga_len)
|
|
|
6868 {
|
|
|
6869 ++augroups.ga_len;
|
|
|
6870 --augroups.ga_room;
|
|
|
6871 }
|
|
|
6872 }
|
|
|
6873
|
|
|
6874 return i;
|
|
|
6875 }
|
|
|
6876
|
|
|
6877 static void
|
|
|
6878 au_del_group(name)
|
|
|
6879 char_u *name;
|
|
|
6880 {
|
|
|
6881 int i;
|
|
|
6882
|
|
|
6883 i = au_find_group(name);
|
|
|
6884 if (i == AUGROUP_ERROR) /* the group doesn't exist */
|
|
|
6885 EMSG2(_("E367: No such group: \"%s\""), name);
|
|
|
6886 else
|
|
|
6887 {
|
|
|
6888 vim_free(AUGROUP_NAME(i));
|
|
|
6889 AUGROUP_NAME(i) = NULL;
|
|
|
6890 }
|
|
|
6891 }
|
|
|
6892
|
|
|
6893 /*
|
|
|
6894 * Find the ID of an autocmd group name.
|
|
|
6895 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
|
|
|
6896 */
|
|
|
6897 static int
|
|
|
6898 au_find_group(name)
|
|
|
6899 char_u *name;
|
|
|
6900 {
|
|
|
6901 int i;
|
|
|
6902
|
|
|
6903 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
6904 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0)
|
|
|
6905 return i;
|
|
|
6906 return AUGROUP_ERROR;
|
|
|
6907 }
|
|
|
6908
|
|
|
6909 /*
|
|
|
6910 * ":augroup {name}".
|
|
|
6911 */
|
|
|
6912 void
|
|
|
6913 do_augroup(arg, del_group)
|
|
|
6914 char_u *arg;
|
|
|
6915 int del_group;
|
|
|
6916 {
|
|
|
6917 int i;
|
|
|
6918
|
|
|
6919 if (del_group)
|
|
|
6920 {
|
|
|
6921 if (*arg == NUL)
|
|
|
6922 EMSG(_(e_argreq));
|
|
|
6923 else
|
|
|
6924 au_del_group(arg);
|
|
|
6925 }
|
|
|
6926 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */
|
|
|
6927 current_augroup = AUGROUP_DEFAULT;
|
|
|
6928 else if (*arg) /* ":aug xxx": switch to group xxx */
|
|
|
6929 {
|
|
|
6930 i = au_new_group(arg);
|
|
|
6931 if (i != AUGROUP_ERROR)
|
|
|
6932 current_augroup = i;
|
|
|
6933 }
|
|
|
6934 else /* ":aug": list the group names */
|
|
|
6935 {
|
|
|
6936 msg_start();
|
|
|
6937 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
6938 {
|
|
|
6939 if (AUGROUP_NAME(i) != NULL)
|
|
|
6940 {
|
|
|
6941 msg_puts(AUGROUP_NAME(i));
|
|
|
6942 msg_puts((char_u *)" ");
|
|
|
6943 }
|
|
|
6944 }
|
|
|
6945 msg_clr_eos();
|
|
|
6946 msg_end();
|
|
|
6947 }
|
|
|
6948 }
|
|
|
6949
|
|
|
6950 /*
|
|
|
6951 * Return the event number for event name "start".
|
|
|
6952 * Return NUM_EVENTS if the event name was not found.
|
|
|
6953 * Return a pointer to the next event name in "end".
|
|
|
6954 */
|
|
|
6955 static EVENT_T
|
|
|
6956 event_name2nr(start, end)
|
|
|
6957 char_u *start;
|
|
|
6958 char_u **end;
|
|
|
6959 {
|
|
|
6960 char_u *p;
|
|
|
6961 int i;
|
|
|
6962 int len;
|
|
|
6963
|
|
|
6964 /* the event name ends with end of line, a blank or a comma */
|
|
|
6965 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p)
|
|
|
6966 ;
|
|
|
6967 for (i = 0; event_names[i].name != NULL; ++i)
|
|
|
6968 {
|
|
|
6969 len = (int)STRLEN(event_names[i].name);
|
|
|
6970 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0)
|
|
|
6971 break;
|
|
|
6972 }
|
|
|
6973 if (*p == ',')
|
|
|
6974 ++p;
|
|
|
6975 *end = p;
|
|
|
6976 if (event_names[i].name == NULL)
|
|
|
6977 return NUM_EVENTS;
|
|
|
6978 return event_names[i].event;
|
|
|
6979 }
|
|
|
6980
|
|
|
6981 /*
|
|
|
6982 * Return the name for event "event".
|
|
|
6983 */
|
|
|
6984 static char_u *
|
|
|
6985 event_nr2name(event)
|
|
|
6986 EVENT_T event;
|
|
|
6987 {
|
|
|
6988 int i;
|
|
|
6989
|
|
|
6990 for (i = 0; event_names[i].name != NULL; ++i)
|
|
|
6991 if (event_names[i].event == event)
|
|
|
6992 return (char_u *)event_names[i].name;
|
|
|
6993 return (char_u *)"Unknown";
|
|
|
6994 }
|
|
|
6995
|
|
|
6996 /*
|
|
|
6997 * Scan over the events. "*" stands for all events.
|
|
|
6998 */
|
|
|
6999 static char_u *
|
|
|
7000 find_end_event(arg, have_group)
|
|
|
7001 char_u *arg;
|
|
|
7002 int have_group; /* TRUE when group name was found */
|
|
|
7003 {
|
|
|
7004 char_u *pat;
|
|
|
7005 char_u *p;
|
|
|
7006
|
|
|
7007 if (*arg == '*')
|
|
|
7008 {
|
|
|
7009 if (arg[1] && !vim_iswhite(arg[1]))
|
|
|
7010 {
|
|
|
7011 EMSG2(_("E215: Illegal character after *: %s"), arg);
|
|
|
7012 return NULL;
|
|
|
7013 }
|
|
|
7014 pat = arg + 1;
|
|
|
7015 }
|
|
|
7016 else
|
|
|
7017 {
|
|
|
7018 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p)
|
|
|
7019 {
|
|
|
7020 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS)
|
|
|
7021 {
|
|
|
7022 if (have_group)
|
|
|
7023 EMSG2(_("E216: No such event: %s"), pat);
|
|
|
7024 else
|
|
|
7025 EMSG2(_("E216: No such group or event: %s"), pat);
|
|
|
7026 return NULL;
|
|
|
7027 }
|
|
|
7028 }
|
|
|
7029 }
|
|
|
7030 return pat;
|
|
|
7031 }
|
|
|
7032
|
|
|
7033 /*
|
|
|
7034 * Return TRUE if "event" is included in 'eventignore'.
|
|
|
7035 */
|
|
|
7036 static int
|
|
|
7037 event_ignored(event)
|
|
|
7038 EVENT_T event;
|
|
|
7039 {
|
|
|
7040 char_u *p = p_ei;
|
|
|
7041
|
|
|
7042 if (STRICMP(p_ei, "all") == 0)
|
|
|
7043 return TRUE;
|
|
|
7044
|
|
|
7045 while (*p)
|
|
|
7046 if (event_name2nr(p, &p) == event)
|
|
|
7047 return TRUE;
|
|
|
7048
|
|
|
7049 return FALSE;
|
|
|
7050 }
|
|
|
7051
|
|
|
7052 /*
|
|
|
7053 * Return OK when the contents of p_ei is valid, FAIL otherwise.
|
|
|
7054 */
|
|
|
7055 int
|
|
|
7056 check_ei()
|
|
|
7057 {
|
|
|
7058 char_u *p = p_ei;
|
|
|
7059
|
|
|
7060 if (STRICMP(p_ei, "all") == 0)
|
|
|
7061 return OK;
|
|
|
7062
|
|
|
7063 while (*p)
|
|
|
7064 if (event_name2nr(p, &p) == NUM_EVENTS)
|
|
|
7065 return FAIL;
|
|
|
7066
|
|
|
7067 return OK;
|
|
|
7068 }
|
|
|
7069
|
|
|
7070 /*
|
|
|
7071 * do_autocmd() -- implements the :autocmd command. Can be used in the
|
|
|
7072 * following ways:
|
|
|
7073 *
|
|
|
7074 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that
|
|
|
7075 * will be automatically executed for <event>
|
|
|
7076 * when editing a file matching <pat>, in
|
|
|
7077 * the current group.
|
|
|
7078 * :autocmd <event> <pat> Show the auto-commands associated with
|
|
|
7079 * <event> and <pat>.
|
|
|
7080 * :autocmd <event> Show the auto-commands associated with
|
|
|
7081 * <event>.
|
|
|
7082 * :autocmd Show all auto-commands.
|
|
|
7083 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with
|
|
|
7084 * <event> and <pat>, and add the command
|
|
|
7085 * <cmd>, for the current group.
|
|
|
7086 * :autocmd! <event> <pat> Remove all auto-commands associated with
|
|
|
7087 * <event> and <pat> for the current group.
|
|
|
7088 * :autocmd! <event> Remove all auto-commands associated with
|
|
|
7089 * <event> for the current group.
|
|
|
7090 * :autocmd! Remove ALL auto-commands for the current
|
|
|
7091 * group.
|
|
|
7092 *
|
|
|
7093 * Multiple events and patterns may be given separated by commas. Here are
|
|
|
7094 * some examples:
|
|
|
7095 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic
|
|
|
7096 * :autocmd bufleave * set tw=79 nosmartindent ic infercase
|
|
|
7097 *
|
|
|
7098 * :autocmd * *.c show all autocommands for *.c files.
|
|
|
7099 */
|
|
|
7100 void
|
|
|
7101 do_autocmd(arg, forceit)
|
|
|
7102 char_u *arg;
|
|
|
7103 int forceit;
|
|
|
7104 {
|
|
|
7105 char_u *pat;
|
|
|
7106 char_u *envpat = NULL;
|
|
|
7107 char_u *cmd;
|
|
|
7108 EVENT_T event;
|
|
|
7109 int need_free = FALSE;
|
|
|
7110 int nested = FALSE;
|
|
|
7111 int group;
|
|
|
7112
|
|
|
7113 /*
|
|
|
7114 * Check for a legal group name. If not, use AUGROUP_ALL.
|
|
|
7115 */
|
|
|
7116 group = au_get_grouparg(&arg);
|
|
|
7117 if (arg == NULL) /* out of memory */
|
|
|
7118 return;
|
|
|
7119
|
|
|
7120 /*
|
|
|
7121 * Scan over the events.
|
|
|
7122 * If we find an illegal name, return here, don't do anything.
|
|
|
7123 */
|
|
|
7124 pat = find_end_event(arg, group != AUGROUP_ALL);
|
|
|
7125 if (pat == NULL)
|
|
|
7126 return;
|
|
|
7127
|
|
|
7128 /*
|
|
|
7129 * Scan over the pattern. Put a NUL at the end.
|
|
|
7130 */
|
|
|
7131 pat = skipwhite(pat);
|
|
|
7132 cmd = pat;
|
|
|
7133 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\'))
|
|
|
7134 cmd++;
|
|
|
7135 if (*cmd)
|
|
|
7136 *cmd++ = NUL;
|
|
|
7137
|
|
|
7138 /* Expand environment variables in the pattern. Set 'shellslash', we want
|
|
|
7139 * forward slashes here. */
|
|
|
7140 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL)
|
|
|
7141 {
|
|
|
7142 #ifdef BACKSLASH_IN_FILENAME
|
|
|
7143 int p_ssl_save = p_ssl;
|
|
|
7144
|
|
|
7145 p_ssl = TRUE;
|
|
|
7146 #endif
|
|
|
7147 envpat = expand_env_save(pat);
|
|
|
7148 #ifdef BACKSLASH_IN_FILENAME
|
|
|
7149 p_ssl = p_ssl_save;
|
|
|
7150 #endif
|
|
|
7151 if (envpat != NULL)
|
|
|
7152 pat = envpat;
|
|
|
7153 }
|
|
|
7154
|
|
|
7155 /*
|
|
|
7156 * Check for "nested" flag.
|
|
|
7157 */
|
|
|
7158 cmd = skipwhite(cmd);
|
|
|
7159 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6]))
|
|
|
7160 {
|
|
|
7161 nested = TRUE;
|
|
|
7162 cmd = skipwhite(cmd + 6);
|
|
|
7163 }
|
|
|
7164
|
|
|
7165 /*
|
|
|
7166 * Find the start of the commands.
|
|
|
7167 * Expand <sfile> in it.
|
|
|
7168 */
|
|
|
7169 if (*cmd != NUL)
|
|
|
7170 {
|
|
|
7171 cmd = expand_sfile(cmd);
|
|
|
7172 if (cmd == NULL) /* some error */
|
|
|
7173 return;
|
|
|
7174 need_free = TRUE;
|
|
|
7175 }
|
|
|
7176
|
|
|
7177 /*
|
|
|
7178 * Print header when showing autocommands.
|
|
|
7179 */
|
|
|
7180 if (!forceit && *cmd == NUL)
|
|
|
7181 {
|
|
|
7182 /* Highlight title */
|
|
|
7183 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---"));
|
|
|
7184 }
|
|
|
7185
|
|
|
7186 /*
|
|
|
7187 * Loop over the events.
|
|
|
7188 */
|
|
|
7189 last_event = (EVENT_T)-1; /* for listing the event name */
|
|
|
7190 last_group = AUGROUP_ERROR; /* for listing the group name */
|
|
|
7191 if (*arg == '*' || *arg == NUL)
|
|
|
7192 {
|
|
|
7193 for (event = (EVENT_T)0; (int)event < (int)NUM_EVENTS;
|
|
|
7194 event = (EVENT_T)((int)event + 1))
|
|
|
7195 if (do_autocmd_event(event, pat,
|
|
|
7196 nested, cmd, forceit, group) == FAIL)
|
|
|
7197 break;
|
|
|
7198 }
|
|
|
7199 else
|
|
|
7200 {
|
|
|
7201 while (*arg && !vim_iswhite(*arg))
|
|
|
7202 if (do_autocmd_event(event_name2nr(arg, &arg), pat,
|
|
|
7203 nested, cmd, forceit, group) == FAIL)
|
|
|
7204 break;
|
|
|
7205 }
|
|
|
7206
|
|
|
7207 if (need_free)
|
|
|
7208 vim_free(cmd);
|
|
|
7209 vim_free(envpat);
|
|
|
7210 }
|
|
|
7211
|
|
|
7212 /*
|
|
|
7213 * Find the group ID in a ":autocmd" or ":doautocmd" argument.
|
|
|
7214 * The "argp" argument is advanced to the following argument.
|
|
|
7215 *
|
|
|
7216 * Returns the group ID, AUGROUP_ERROR for error (out of memory).
|
|
|
7217 */
|
|
|
7218 static int
|
|
|
7219 au_get_grouparg(argp)
|
|
|
7220 char_u **argp;
|
|
|
7221 {
|
|
|
7222 char_u *group_name;
|
|
|
7223 char_u *p;
|
|
|
7224 char_u *arg = *argp;
|
|
|
7225 int group = AUGROUP_ALL;
|
|
|
7226
|
|
|
7227 p = skiptowhite(arg);
|
|
|
7228 if (p > arg)
|
|
|
7229 {
|
|
|
7230 group_name = vim_strnsave(arg, (int)(p - arg));
|
|
|
7231 if (group_name == NULL) /* out of memory */
|
|
|
7232 return AUGROUP_ERROR;
|
|
|
7233 group = au_find_group(group_name);
|
|
|
7234 if (group == AUGROUP_ERROR)
|
|
|
7235 group = AUGROUP_ALL; /* no match, use all groups */
|
|
|
7236 else
|
|
|
7237 *argp = skipwhite(p); /* match, skip over group name */
|
|
|
7238 vim_free(group_name);
|
|
|
7239 }
|
|
|
7240 return group;
|
|
|
7241 }
|
|
|
7242
|
|
|
7243 /*
|
|
|
7244 * do_autocmd() for one event.
|
|
|
7245 * If *pat == NUL do for all patterns.
|
|
|
7246 * If *cmd == NUL show entries.
|
|
|
7247 * If forceit == TRUE delete entries.
|
|
|
7248 * If group is not AUGROUP_ALL, only use this group.
|
|
|
7249 */
|
|
|
7250 static int
|
|
|
7251 do_autocmd_event(event, pat, nested, cmd, forceit, group)
|
|
|
7252 EVENT_T event;
|
|
|
7253 char_u *pat;
|
|
|
7254 int nested;
|
|
|
7255 char_u *cmd;
|
|
|
7256 int forceit;
|
|
|
7257 int group;
|
|
|
7258 {
|
|
|
7259 AutoPat *ap;
|
|
|
7260 AutoPat **prev_ap;
|
|
|
7261 AutoCmd *ac;
|
|
|
7262 AutoCmd **prev_ac;
|
|
|
7263 int brace_level;
|
|
|
7264 char_u *endpat;
|
|
|
7265 int findgroup;
|
|
|
7266 int allgroups;
|
|
|
7267 int patlen;
|
|
|
7268
|
|
|
7269 if (group == AUGROUP_ALL)
|
|
|
7270 findgroup = current_augroup;
|
|
|
7271 else
|
|
|
7272 findgroup = group;
|
|
|
7273 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL);
|
|
|
7274
|
|
|
7275 /*
|
|
|
7276 * Show or delete all patterns for an event.
|
|
|
7277 */
|
|
|
7278 if (*pat == NUL)
|
|
|
7279 {
|
|
|
7280 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next)
|
|
|
7281 {
|
|
|
7282 if (forceit) /* delete the AutoPat, if it's in the current group */
|
|
|
7283 {
|
|
|
7284 if (ap->group == findgroup)
|
|
|
7285 au_remove_pat(ap);
|
|
|
7286 }
|
|
|
7287 else if (group == AUGROUP_ALL || ap->group == group)
|
|
|
7288 show_autocmd(ap, event);
|
|
|
7289 }
|
|
|
7290 }
|
|
|
7291
|
|
|
7292 /*
|
|
|
7293 * Loop through all the specified patterns.
|
|
|
7294 */
|
|
|
7295 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat))
|
|
|
7296 {
|
|
|
7297 /*
|
|
|
7298 * Find end of the pattern.
|
|
|
7299 * Watch out for a comma in braces, like "*.\{obj,o\}".
|
|
|
7300 */
|
|
|
7301 brace_level = 0;
|
|
|
7302 for (endpat = pat; *endpat && (*endpat != ',' || brace_level
|
|
|
7303 || endpat[-1] == '\\'); ++endpat)
|
|
|
7304 {
|
|
|
7305 if (*endpat == '{')
|
|
|
7306 brace_level++;
|
|
|
7307 else if (*endpat == '}')
|
|
|
7308 brace_level--;
|
|
|
7309 }
|
|
|
7310 if (pat == endpat) /* ignore single comma */
|
|
|
7311 continue;
|
|
|
7312 patlen = (int)(endpat - pat);
|
|
|
7313
|
|
|
7314 /*
|
|
|
7315 * Find AutoPat entries with this pattern.
|
|
|
7316 */
|
|
|
7317 prev_ap = &first_autopat[(int)event];
|
|
|
7318 while ((ap = *prev_ap) != NULL)
|
|
|
7319 {
|
|
|
7320 if (ap->pat != NULL)
|
|
|
7321 {
|
|
|
7322 /* Accept a pattern when:
|
|
|
7323 * - a group was specified and it's that group, or a group was
|
|
|
7324 * not specified and it's the current group, or a group was
|
|
|
7325 * not specified and we are listing
|
|
|
7326 * - the length of the pattern matches
|
|
|
7327 * - the pattern matches
|
|
|
7328 */
|
|
|
7329 if ((allgroups || ap->group == findgroup)
|
|
|
7330 && ap->patlen == patlen
|
|
|
7331 && STRNCMP(pat, ap->pat, patlen) == 0)
|
|
|
7332 {
|
|
|
7333 /*
|
|
|
7334 * Remove existing autocommands.
|
|
|
7335 * If adding any new autocmd's for this AutoPat, don't
|
|
|
7336 * delete the pattern from the autopat list, append to
|
|
|
7337 * this list.
|
|
|
7338 */
|
|
|
7339 if (forceit)
|
|
|
7340 {
|
|
|
7341 if (*cmd != NUL && ap->next == NULL)
|
|
|
7342 {
|
|
|
7343 au_remove_cmds(ap);
|
|
|
7344 break;
|
|
|
7345 }
|
|
|
7346 au_remove_pat(ap);
|
|
|
7347 }
|
|
|
7348
|
|
|
7349 /*
|
|
|
7350 * Show autocmd's for this autopat
|
|
|
7351 */
|
|
|
7352 else if (*cmd == NUL)
|
|
|
7353 show_autocmd(ap, event);
|
|
|
7354
|
|
|
7355 /*
|
|
|
7356 * Add autocmd to this autopat, if it's the last one.
|
|
|
7357 */
|
|
|
7358 else if (ap->next == NULL)
|
|
|
7359 break;
|
|
|
7360 }
|
|
|
7361 }
|
|
|
7362 prev_ap = &ap->next;
|
|
|
7363 }
|
|
|
7364
|
|
|
7365 /*
|
|
|
7366 * Add a new command.
|
|
|
7367 */
|
|
|
7368 if (*cmd != NUL)
|
|
|
7369 {
|
|
|
7370 /*
|
|
|
7371 * If the pattern we want to add a command to does appear at the
|
|
|
7372 * end of the list (or not is not in the list at all), add the
|
|
|
7373 * pattern at the end of the list.
|
|
|
7374 */
|
|
|
7375 if (ap == NULL)
|
|
|
7376 {
|
|
|
7377 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat));
|
|
|
7378 if (ap == NULL)
|
|
|
7379 return FAIL;
|
|
|
7380 ap->pat = vim_strnsave(pat, patlen);
|
|
|
7381 ap->patlen = patlen;
|
|
|
7382 if (ap->pat == NULL)
|
|
|
7383 {
|
|
|
7384 vim_free(ap);
|
|
|
7385 return FAIL;
|
|
|
7386 }
|
|
|
7387 ap->reg_pat = file_pat_to_reg_pat(pat, endpat,
|
|
|
7388 &ap->allow_dirs, TRUE);
|
|
|
7389 if (ap->reg_pat == NULL)
|
|
|
7390 {
|
|
|
7391 vim_free(ap->pat);
|
|
|
7392 vim_free(ap);
|
|
|
7393 return FAIL;
|
|
|
7394 }
|
|
|
7395 ap->cmds = NULL;
|
|
|
7396 *prev_ap = ap;
|
|
|
7397 ap->next = NULL;
|
|
|
7398 if (group == AUGROUP_ALL)
|
|
|
7399 ap->group = current_augroup;
|
|
|
7400 else
|
|
|
7401 ap->group = group;
|
|
|
7402 }
|
|
|
7403
|
|
|
7404 /*
|
|
|
7405 * Add the autocmd at the end of the AutoCmd list.
|
|
|
7406 */
|
|
|
7407 prev_ac = &(ap->cmds);
|
|
|
7408 while ((ac = *prev_ac) != NULL)
|
|
|
7409 prev_ac = &ac->next;
|
|
|
7410 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd));
|
|
|
7411 if (ac == NULL)
|
|
|
7412 return FAIL;
|
|
|
7413 ac->cmd = vim_strsave(cmd);
|
|
|
7414 #ifdef FEAT_EVAL
|
|
|
7415 ac->scriptID = current_SID;
|
|
|
7416 #endif
|
|
|
7417 if (ac->cmd == NULL)
|
|
|
7418 {
|
|
|
7419 vim_free(ac);
|
|
|
7420 return FAIL;
|
|
|
7421 }
|
|
|
7422 ac->next = NULL;
|
|
|
7423 *prev_ac = ac;
|
|
|
7424 ac->nested = nested;
|
|
|
7425 }
|
|
|
7426 }
|
|
|
7427
|
|
|
7428 au_cleanup(); /* may really delete removed patterns/commands now */
|
|
|
7429 return OK;
|
|
|
7430 }
|
|
|
7431
|
|
|
7432 /*
|
|
|
7433 * Implementation of ":doautocmd [group] event [fname]".
|
|
|
7434 * Return OK for success, FAIL for failure;
|
|
|
7435 */
|
|
|
7436 int
|
|
|
7437 do_doautocmd(arg, do_msg)
|
|
|
7438 char_u *arg;
|
|
|
7439 int do_msg; /* give message for no matching autocmds? */
|
|
|
7440 {
|
|
|
7441 char_u *fname;
|
|
|
7442 int nothing_done = TRUE;
|
|
|
7443 int group;
|
|
|
7444
|
|
|
7445 /*
|
|
|
7446 * Check for a legal group name. If not, use AUGROUP_ALL.
|
|
|
7447 */
|
|
|
7448 group = au_get_grouparg(&arg);
|
|
|
7449 if (arg == NULL) /* out of memory */
|
|
|
7450 return FAIL;
|
|
|
7451
|
|
|
7452 if (*arg == '*')
|
|
|
7453 {
|
|
|
7454 EMSG(_("E217: Can't execute autocommands for ALL events"));
|
|
|
7455 return FAIL;
|
|
|
7456 }
|
|
|
7457
|
|
|
7458 /*
|
|
|
7459 * Scan over the events.
|
|
|
7460 * If we find an illegal name, return here, don't do anything.
|
|
|
7461 */
|
|
|
7462 fname = find_end_event(arg, group != AUGROUP_ALL);
|
|
|
7463 if (fname == NULL)
|
|
|
7464 return FAIL;
|
|
|
7465
|
|
|
7466 fname = skipwhite(fname);
|
|
|
7467
|
|
|
7468 /*
|
|
|
7469 * Loop over the events.
|
|
|
7470 */
|
|
|
7471 while (*arg && !vim_iswhite(*arg))
|
|
|
7472 if (apply_autocmds_group(event_name2nr(arg, &arg),
|
|
|
7473 fname, NULL, TRUE, group, curbuf, NULL))
|
|
|
7474 nothing_done = FALSE;
|
|
|
7475
|
|
|
7476 if (nothing_done && do_msg)
|
|
|
7477 MSG(_("No matching autocommands"));
|
|
|
7478
|
|
|
7479 #ifdef FEAT_EVAL
|
|
|
7480 return aborting() ? FAIL : OK;
|
|
|
7481 #else
|
|
|
7482 return OK;
|
|
|
7483 #endif
|
|
|
7484 }
|
|
|
7485
|
|
|
7486 /*
|
|
|
7487 * ":doautoall": execute autocommands for each loaded buffer.
|
|
|
7488 */
|
|
|
7489 void
|
|
|
7490 ex_doautoall(eap)
|
|
|
7491 exarg_T *eap;
|
|
|
7492 {
|
|
|
7493 int retval;
|
|
|
7494 aco_save_T aco;
|
|
|
7495 buf_T *buf;
|
|
|
7496
|
|
|
7497 /*
|
|
|
7498 * This is a bit tricky: For some commands curwin->w_buffer needs to be
|
|
|
7499 * equal to curbuf, but for some buffers there may not be a window.
|
|
|
7500 * So we change the buffer for the current window for a moment. This
|
|
|
7501 * gives problems when the autocommands make changes to the list of
|
|
|
7502 * buffers or windows...
|
|
|
7503 */
|
|
|
7504 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
7505 {
|
|
|
7506 if (curbuf->b_ml.ml_mfp != NULL)
|
|
|
7507 {
|
|
|
7508 /* find a window for this buffer and save some values */
|
|
|
7509 aucmd_prepbuf(&aco, buf);
|
|
|
7510
|
|
|
7511 /* execute the autocommands for this buffer */
|
|
|
7512 retval = do_doautocmd(eap->arg, FALSE);
|
|
|
7513 do_modelines();
|
|
|
7514
|
|
|
7515 /* restore the current window */
|
|
|
7516 aucmd_restbuf(&aco);
|
|
|
7517
|
|
|
7518 /* stop if there is some error or buffer was deleted */
|
|
|
7519 if (retval == FAIL || !buf_valid(buf))
|
|
|
7520 break;
|
|
|
7521 }
|
|
|
7522 }
|
|
|
7523
|
|
|
7524 check_cursor(); /* just in case lines got deleted */
|
|
|
7525 }
|
|
|
7526
|
|
|
7527 /*
|
|
|
7528 * Prepare for executing autocommands for (hidden) buffer "buf".
|
|
|
7529 * Search a window for the current buffer. Save the cursor position and
|
|
|
7530 * screen offset.
|
|
|
7531 * Set "curbuf" and "curwin" to match "buf".
|
|
|
7532 */
|
|
|
7533 void
|
|
|
7534 aucmd_prepbuf(aco, buf)
|
|
|
7535 aco_save_T *aco; /* structure to save values in */
|
|
|
7536 buf_T *buf; /* new curbuf */
|
|
|
7537 {
|
|
|
7538 win_T *win;
|
|
|
7539
|
|
|
7540 aco->new_curbuf = buf;
|
|
|
7541
|
|
|
7542 /* Find a window that is for the new buffer */
|
|
|
7543 if (buf == curbuf) /* be quick when buf is curbuf */
|
|
|
7544 win = curwin;
|
|
|
7545 else
|
|
|
7546 #ifdef FEAT_WINDOWS
|
|
|
7547 for (win = firstwin; win != NULL; win = win->w_next)
|
|
|
7548 if (win->w_buffer == buf)
|
|
|
7549 break;
|
|
|
7550 #else
|
|
|
7551 win = NULL;
|
|
|
7552 #endif
|
|
|
7553
|
|
|
7554 /*
|
|
|
7555 * Prefer to use an existing window for the buffer, it has the least side
|
|
|
7556 * effects (esp. if "buf" is curbuf).
|
|
|
7557 * Otherwise, use curwin for "buf". It might make some items in the
|
|
|
7558 * window invalid. At least save the cursor and topline.
|
|
|
7559 */
|
|
|
7560 if (win != NULL)
|
|
|
7561 {
|
|
|
7562 /* there is a window for "buf", make it the curwin */
|
|
|
7563 aco->save_curwin = curwin;
|
|
|
7564 curwin = win;
|
|
|
7565 aco->save_buf = win->w_buffer;
|
|
|
7566 aco->new_curwin = win;
|
|
|
7567 }
|
|
|
7568 else
|
|
|
7569 {
|
|
|
7570 /* there is no window for "buf", use curwin */
|
|
|
7571 aco->save_curwin = NULL;
|
|
|
7572 aco->save_buf = curbuf;
|
|
|
7573 --curbuf->b_nwindows;
|
|
|
7574 curwin->w_buffer = buf;
|
|
|
7575 ++buf->b_nwindows;
|
|
|
7576
|
|
|
7577 /* save cursor and topline, set them to safe values */
|
|
|
7578 aco->save_cursor = curwin->w_cursor;
|
|
|
7579 curwin->w_cursor.lnum = 1;
|
|
|
7580 curwin->w_cursor.col = 0;
|
|
|
7581 aco->save_topline = curwin->w_topline;
|
|
|
7582 curwin->w_topline = 1;
|
|
|
7583 #ifdef FEAT_DIFF
|
|
|
7584 aco->save_topfill = curwin->w_topfill;
|
|
|
7585 curwin->w_topfill = 0;
|
|
|
7586 #endif
|
|
|
7587 }
|
|
|
7588
|
|
|
7589 curbuf = buf;
|
|
|
7590 }
|
|
|
7591
|
|
|
7592 /*
|
|
|
7593 * Cleanup after executing autocommands for a (hidden) buffer.
|
|
|
7594 * Restore the window as it was (if possible).
|
|
|
7595 */
|
|
|
7596 void
|
|
|
7597 aucmd_restbuf(aco)
|
|
|
7598 aco_save_T *aco; /* structure holding saved values */
|
|
|
7599 {
|
|
|
7600 if (aco->save_curwin != NULL)
|
|
|
7601 {
|
|
|
7602 /* restore curwin */
|
|
|
7603 #ifdef FEAT_WINDOWS
|
|
|
7604 if (win_valid(aco->save_curwin))
|
|
|
7605 #endif
|
|
|
7606 {
|
|
|
7607 /* restore the buffer which was previously edited by curwin, if
|
|
|
7608 * it's still the same window and it's valid */
|
|
|
7609 if (curwin == aco->new_curwin
|
|
|
7610 && buf_valid(aco->save_buf)
|
|
|
7611 && aco->save_buf->b_ml.ml_mfp != NULL)
|
|
|
7612 {
|
|
|
7613 --curbuf->b_nwindows;
|
|
|
7614 curbuf = aco->save_buf;
|
|
|
7615 curwin->w_buffer = curbuf;
|
|
|
7616 ++curbuf->b_nwindows;
|
|
|
7617 }
|
|
|
7618
|
|
|
7619 curwin = aco->save_curwin;
|
|
|
7620 curbuf = curwin->w_buffer;
|
|
|
7621 }
|
|
|
7622 }
|
|
|
7623 else
|
|
|
7624 {
|
|
|
7625 /* restore buffer for curwin if it still exists and is loaded */
|
|
|
7626 if (buf_valid(aco->save_buf) && aco->save_buf->b_ml.ml_mfp != NULL)
|
|
|
7627 {
|
|
|
7628 --curbuf->b_nwindows;
|
|
|
7629 curbuf = aco->save_buf;
|
|
|
7630 curwin->w_buffer = curbuf;
|
|
|
7631 ++curbuf->b_nwindows;
|
|
|
7632 curwin->w_cursor = aco->save_cursor;
|
|
|
7633 check_cursor();
|
|
|
7634 /* check topline < line_count, in case lines got deleted */
|
|
|
7635 if (aco->save_topline <= curbuf->b_ml.ml_line_count)
|
|
|
7636 {
|
|
|
7637 curwin->w_topline = aco->save_topline;
|
|
|
7638 #ifdef FEAT_DIFF
|
|
|
7639 curwin->w_topfill = aco->save_topfill;
|
|
|
7640 #endif
|
|
|
7641 }
|
|
|
7642 else
|
|
|
7643 {
|
|
|
7644 curwin->w_topline = curbuf->b_ml.ml_line_count;
|
|
|
7645 #ifdef FEAT_DIFF
|
|
|
7646 curwin->w_topfill = 0;
|
|
|
7647 #endif
|
|
|
7648 }
|
|
|
7649 }
|
|
|
7650 }
|
|
|
7651 }
|
|
|
7652
|
|
|
7653 static int autocmd_nested = FALSE;
|
|
|
7654
|
|
|
7655 /*
|
|
|
7656 * Execute autocommands for "event" and file name "fname".
|
|
|
7657 * Return TRUE if some commands were executed.
|
|
|
7658 */
|
|
|
7659 int
|
|
|
7660 apply_autocmds(event, fname, fname_io, force, buf)
|
|
|
7661 EVENT_T event;
|
|
|
7662 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
7663 char_u *fname_io; /* fname to use for <afile> on cmdline */
|
|
|
7664 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
7665 buf_T *buf; /* buffer for <abuf> */
|
|
|
7666 {
|
|
|
7667 return apply_autocmds_group(event, fname, fname_io, force,
|
|
|
7668 AUGROUP_ALL, buf, NULL);
|
|
|
7669 }
|
|
|
7670
|
|
|
7671 /*
|
|
|
7672 * Like apply_autocmds(), but with extra "eap" argument. This takes care of
|
|
|
7673 * setting v:filearg.
|
|
|
7674 */
|
|
|
7675 static int
|
|
|
7676 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap)
|
|
|
7677 EVENT_T event;
|
|
|
7678 char_u *fname;
|
|
|
7679 char_u *fname_io;
|
|
|
7680 int force;
|
|
|
7681 buf_T *buf;
|
|
|
7682 exarg_T *eap;
|
|
|
7683 {
|
|
|
7684 return apply_autocmds_group(event, fname, fname_io, force,
|
|
|
7685 AUGROUP_ALL, buf, eap);
|
|
|
7686 }
|
|
|
7687
|
|
|
7688 /*
|
|
|
7689 * Like apply_autocmds(), but handles the caller's retval. If the script
|
|
|
7690 * processing is being aborted or if retval is FAIL when inside a try
|
|
|
7691 * conditional, no autocommands are executed. If otherwise the autocommands
|
|
|
7692 * cause the script to be aborted, retval is set to FAIL.
|
|
|
7693 */
|
|
|
7694 int
|
|
|
7695 apply_autocmds_retval(event, fname, fname_io, force, buf, retval)
|
|
|
7696 EVENT_T event;
|
|
|
7697 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
7698 char_u *fname_io; /* fname to use for <afile> on cmdline */
|
|
|
7699 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
7700 buf_T *buf; /* buffer for <abuf> */
|
|
|
7701 int *retval; /* pointer to caller's retval */
|
|
|
7702 {
|
|
|
7703 int did_cmd;
|
|
|
7704
|
|
|
7705 if (should_abort(*retval))
|
|
|
7706 return FALSE;
|
|
|
7707
|
|
|
7708 did_cmd = apply_autocmds_group(event, fname, fname_io, force,
|
|
|
7709 AUGROUP_ALL, buf, NULL);
|
|
|
7710 if (did_cmd && aborting())
|
|
|
7711 *retval = FAIL;
|
|
|
7712 return did_cmd;
|
|
|
7713 }
|
|
|
7714
|
|
|
7715 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
7716 int
|
|
|
7717 has_cursorhold()
|
|
|
7718 {
|
|
|
7719 return (first_autopat[(int)EVENT_CURSORHOLD] != NULL);
|
|
|
7720 }
|
|
|
7721 #endif
|
|
|
7722
|
|
|
7723 static int
|
|
|
7724 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap)
|
|
|
7725 EVENT_T event;
|
|
|
7726 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
7727 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means
|
|
|
7728 use fname */
|
|
|
7729 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
7730 int group; /* group ID, or AUGROUP_ALL */
|
|
|
7731 buf_T *buf; /* buffer for <abuf> */
|
|
|
7732 exarg_T *eap; /* command arguments */
|
|
|
7733 {
|
|
|
7734 char_u *sfname = NULL; /* short file name */
|
|
|
7735 char_u *tail;
|
|
|
7736 int save_changed;
|
|
|
7737 buf_T *old_curbuf;
|
|
|
7738 int retval = FALSE;
|
|
|
7739 char_u *save_sourcing_name;
|
|
|
7740 linenr_T save_sourcing_lnum;
|
|
|
7741 char_u *save_autocmd_fname;
|
|
|
7742 int save_autocmd_bufnr;
|
|
|
7743 char_u *save_autocmd_match;
|
|
|
7744 int save_autocmd_busy;
|
|
|
7745 int save_autocmd_nested;
|
|
|
7746 static int nesting = 0;
|
|
|
7747 AutoPatCmd patcmd;
|
|
|
7748 AutoPat *ap;
|
|
|
7749 #ifdef FEAT_EVAL
|
|
|
7750 scid_T save_current_SID;
|
|
|
7751 void *save_funccalp;
|
|
|
7752 char_u *save_cmdarg;
|
|
|
7753 long save_cmdbang;
|
|
|
7754 #endif
|
|
|
7755 static int filechangeshell_busy = FALSE;
|
|
|
7756
|
|
|
7757 /*
|
|
|
7758 * Quickly return if there are no autocommands for this event or
|
|
|
7759 * autocommands are blocked.
|
|
|
7760 */
|
|
|
7761 if (first_autopat[(int)event] == NULL || autocmd_block > 0)
|
|
|
7762 return retval;
|
|
|
7763
|
|
|
7764 /*
|
|
|
7765 * When autocommands are busy, new autocommands are only executed when
|
|
|
7766 * explicitly enabled with the "nested" flag.
|
|
|
7767 */
|
|
|
7768 if (autocmd_busy && !(force || autocmd_nested))
|
|
|
7769 return retval;
|
|
|
7770
|
|
|
7771 #ifdef FEAT_EVAL
|
|
|
7772 /*
|
|
|
7773 * Quickly return when immdediately aborting on error, or when an interrupt
|
|
|
7774 * occurred or an exception was thrown but not caught.
|
|
|
7775 */
|
|
|
7776 if (aborting())
|
|
|
7777 return retval;
|
|
|
7778 #endif
|
|
|
7779
|
|
|
7780 /*
|
|
|
7781 * FileChangedShell never nests, because it can create an endless loop.
|
|
|
7782 */
|
|
|
7783 if (filechangeshell_busy && event == EVENT_FILECHANGEDSHELL)
|
|
|
7784 return retval;
|
|
|
7785
|
|
|
7786 /*
|
|
|
7787 * Ignore events in 'eventignore'.
|
|
|
7788 */
|
|
|
7789 if (event_ignored(event))
|
|
|
7790 return retval;
|
|
|
7791
|
|
|
7792 /*
|
|
|
7793 * Allow nesting of autocommands, but restrict the depth, because it's
|
|
|
7794 * possible to create an endless loop.
|
|
|
7795 */
|
|
|
7796 if (nesting == 10)
|
|
|
7797 {
|
|
|
7798 EMSG(_("E218: autocommand nesting too deep"));
|
|
|
7799 return retval;
|
|
|
7800 }
|
|
|
7801
|
|
|
7802 /*
|
|
|
7803 * Check if these autocommands are disabled. Used when doing ":all" or
|
|
|
7804 * ":ball".
|
|
|
7805 */
|
|
|
7806 if ( (autocmd_no_enter
|
|
|
7807 && (event == EVENT_WINENTER || event == EVENT_BUFENTER))
|
|
|
7808 || (autocmd_no_leave
|
|
|
7809 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE)))
|
|
|
7810 return retval;
|
|
|
7811
|
|
|
7812 /*
|
|
|
7813 * Save the autocmd_* variables and info about the current buffer.
|
|
|
7814 */
|
|
|
7815 save_autocmd_fname = autocmd_fname;
|
|
|
7816 save_autocmd_bufnr = autocmd_bufnr;
|
|
|
7817 save_autocmd_match = autocmd_match;
|
|
|
7818 save_autocmd_busy = autocmd_busy;
|
|
|
7819 save_autocmd_nested = autocmd_nested;
|
|
|
7820 save_changed = curbuf->b_changed;
|
|
|
7821 old_curbuf = curbuf;
|
|
|
7822
|
|
|
7823 /*
|
|
|
7824 * Set the file name to be used for <afile>.
|
|
|
7825 */
|
|
|
7826 if (fname_io == NULL)
|
|
|
7827 {
|
|
|
7828 if (fname != NULL && *fname != NUL)
|
|
|
7829 autocmd_fname = fname;
|
|
|
7830 else if (buf != NULL)
|
|
|
7831 autocmd_fname = buf->b_fname;
|
|
|
7832 else
|
|
|
7833 autocmd_fname = NULL;
|
|
|
7834 }
|
|
|
7835 else
|
|
|
7836 autocmd_fname = fname_io;
|
|
|
7837
|
|
|
7838 /*
|
|
|
7839 * Set the buffer number to be used for <abuf>.
|
|
|
7840 */
|
|
|
7841 if (buf == NULL)
|
|
|
7842 autocmd_bufnr = 0;
|
|
|
7843 else
|
|
|
7844 autocmd_bufnr = buf->b_fnum;
|
|
|
7845
|
|
|
7846 /*
|
|
|
7847 * When the file name is NULL or empty, use the file name of buffer "buf".
|
|
|
7848 * Always use the full path of the file name to match with, in case
|
|
|
7849 * "allow_dirs" is set.
|
|
|
7850 */
|
|
|
7851 if (fname == NULL || *fname == NUL)
|
|
|
7852 {
|
|
|
7853 if (buf == NULL)
|
|
|
7854 fname = NULL;
|
|
|
7855 else
|
|
|
7856 {
|
|
|
7857 #ifdef FEAT_SYN_HL
|
|
|
7858 if (event == EVENT_SYNTAX)
|
|
|
7859 fname = buf->b_p_syn;
|
|
|
7860 else
|
|
|
7861 #endif
|
|
|
7862 if (event == EVENT_FILETYPE)
|
|
|
7863 fname = buf->b_p_ft;
|
|
|
7864 else
|
|
|
7865 {
|
|
|
7866 if (buf->b_sfname != NULL)
|
|
|
7867 sfname = vim_strsave(buf->b_sfname);
|
|
|
7868 fname = buf->b_ffname;
|
|
|
7869 }
|
|
|
7870 }
|
|
|
7871 if (fname == NULL)
|
|
|
7872 fname = (char_u *)"";
|
|
|
7873 fname = vim_strsave(fname); /* make a copy, so we can change it */
|
|
|
7874 }
|
|
|
7875 else
|
|
|
7876 {
|
|
|
7877 sfname = vim_strsave(fname);
|
|
|
7878 /* Don't try expanding FileType, Syntax or WindowID. */
|
|
|
7879 if (event == EVENT_FILETYPE || event == EVENT_SYNTAX
|
|
|
7880 || event == EVENT_REMOTEREPLY)
|
|
|
7881 fname = vim_strsave(fname);
|
|
|
7882 else
|
|
|
7883 fname = FullName_save(fname, FALSE);
|
|
|
7884 }
|
|
|
7885 if (fname == NULL) /* out of memory */
|
|
|
7886 {
|
|
|
7887 vim_free(sfname);
|
|
|
7888 return FALSE;
|
|
|
7889 }
|
|
|
7890
|
|
|
7891 #ifdef BACKSLASH_IN_FILENAME
|
|
|
7892 /*
|
|
|
7893 * Replace all backslashes with forward slashes. This makes the
|
|
|
7894 * autocommand patterns portable between Unix and MS-DOS.
|
|
|
7895 */
|
|
|
7896 if (sfname != NULL)
|
|
|
7897 forward_slash(sfname);
|
|
|
7898 forward_slash(fname);
|
|
|
7899 #endif
|
|
|
7900
|
|
|
7901 #ifdef VMS
|
|
|
7902 /* remove version for correct match */
|
|
|
7903 if (sfname != NULL)
|
|
|
7904 vms_remove_version(sfname);
|
|
|
7905 vms_remove_version(fname);
|
|
|
7906 #endif
|
|
|
7907
|
|
|
7908 /*
|
|
|
7909 * Set the name to be used for <amatch>.
|
|
|
7910 */
|
|
|
7911 autocmd_match = fname;
|
|
|
7912
|
|
|
7913
|
|
|
7914 /* Don't redraw while doing auto commands. */
|
|
|
7915 ++RedrawingDisabled;
|
|
|
7916 save_sourcing_name = sourcing_name;
|
|
|
7917 sourcing_name = NULL; /* don't free this one */
|
|
|
7918 save_sourcing_lnum = sourcing_lnum;
|
|
|
7919 sourcing_lnum = 0; /* no line number here */
|
|
|
7920
|
|
|
7921 #ifdef FEAT_EVAL
|
|
|
7922 save_current_SID = current_SID;
|
|
|
7923
|
|
|
7924 /* Don't use local function variables, if called from a function */
|
|
|
7925 save_funccalp = save_funccal();
|
|
|
7926 #endif
|
|
|
7927
|
|
|
7928 /*
|
|
|
7929 * When starting to execute autocommands, save the search patterns.
|
|
|
7930 */
|
|
|
7931 if (!autocmd_busy)
|
|
|
7932 {
|
|
|
7933 save_search_patterns();
|
|
|
7934 saveRedobuff();
|
|
|
7935 did_filetype = keep_filetype;
|
|
|
7936 }
|
|
|
7937
|
|
|
7938 /*
|
|
|
7939 * Note that we are applying autocmds. Some commands need to know.
|
|
|
7940 */
|
|
|
7941 autocmd_busy = TRUE;
|
|
|
7942 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL);
|
|
|
7943 ++nesting; /* see matching decrement below */
|
|
|
7944
|
|
|
7945 /* Remember that FileType was triggered. Used for did_filetype(). */
|
|
|
7946 if (event == EVENT_FILETYPE)
|
|
|
7947 did_filetype = TRUE;
|
|
|
7948
|
|
|
7949 tail = gettail(fname);
|
|
|
7950
|
|
|
7951 /* Find first autocommand that matches */
|
|
|
7952 patcmd.curpat = first_autopat[(int)event];
|
|
|
7953 patcmd.nextcmd = NULL;
|
|
|
7954 patcmd.group = group;
|
|
|
7955 patcmd.fname = fname;
|
|
|
7956 patcmd.sfname = sfname;
|
|
|
7957 patcmd.tail = tail;
|
|
|
7958 patcmd.event = event;
|
|
|
7959 auto_next_pat(&patcmd, FALSE);
|
|
|
7960
|
|
|
7961 /* found one, start executing the autocommands */
|
|
|
7962 if (patcmd.curpat != NULL)
|
|
|
7963 {
|
|
|
7964 #ifdef FEAT_EVAL
|
|
|
7965 /* set v:cmdarg (only when there is a matching pattern) */
|
|
|
7966 save_cmdbang = get_vim_var_nr(VV_CMDBANG);
|
|
|
7967 if (eap != NULL)
|
|
|
7968 {
|
|
|
7969 save_cmdarg = set_cmdarg(eap, NULL);
|
|
|
7970 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit);
|
|
|
7971 }
|
|
|
7972 else
|
|
|
7973 save_cmdarg = NULL; /* avoid gcc warning */
|
|
|
7974 #endif
|
|
|
7975 retval = TRUE;
|
|
|
7976 /* mark the last pattern, to avoid an endless loop when more patterns
|
|
|
7977 * are added when executing autocommands */
|
|
|
7978 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next)
|
|
|
7979 ap->last = FALSE;
|
|
|
7980 ap->last = TRUE;
|
|
|
7981 check_lnums(TRUE); /* make sure cursor and topline are valid */
|
|
|
7982 do_cmdline(NULL, getnextac, (void *)&patcmd,
|
|
|
7983 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
7984 #ifdef FEAT_EVAL
|
|
|
7985 if (eap != NULL)
|
|
|
7986 {
|
|
|
7987 (void)set_cmdarg(NULL, save_cmdarg);
|
|
|
7988 set_vim_var_nr(VV_CMDBANG, save_cmdbang);
|
|
|
7989 }
|
|
|
7990 #endif
|
|
|
7991 }
|
|
|
7992
|
|
|
7993 --RedrawingDisabled;
|
|
|
7994 autocmd_busy = save_autocmd_busy;
|
|
|
7995 filechangeshell_busy = FALSE;
|
|
|
7996 autocmd_nested = save_autocmd_nested;
|
|
|
7997 vim_free(sourcing_name);
|
|
|
7998 sourcing_name = save_sourcing_name;
|
|
|
7999 sourcing_lnum = save_sourcing_lnum;
|
|
|
8000 autocmd_fname = save_autocmd_fname;
|
|
|
8001 autocmd_bufnr = save_autocmd_bufnr;
|
|
|
8002 autocmd_match = save_autocmd_match;
|
|
|
8003 #ifdef FEAT_EVAL
|
|
|
8004 current_SID = save_current_SID;
|
|
|
8005 restore_funccal(save_funccalp);
|
|
|
8006 #endif
|
|
|
8007 vim_free(fname);
|
|
|
8008 vim_free(sfname);
|
|
|
8009 --nesting; /* see matching increment above */
|
|
|
8010
|
|
|
8011 /*
|
|
|
8012 * When stopping to execute autocommands, restore the search patterns and
|
|
|
8013 * the redo buffer.
|
|
|
8014 */
|
|
|
8015 if (!autocmd_busy)
|
|
|
8016 {
|
|
|
8017 restore_search_patterns();
|
|
|
8018 restoreRedobuff();
|
|
|
8019 did_filetype = FALSE;
|
|
|
8020 }
|
|
|
8021
|
|
|
8022 /*
|
|
|
8023 * Some events don't set or reset the Changed flag.
|
|
|
8024 * Check if still in the same buffer!
|
|
|
8025 */
|
|
|
8026 if (curbuf == old_curbuf
|
|
|
8027 && (event == EVENT_BUFREADPOST
|
|
|
8028 || event == EVENT_BUFWRITEPOST
|
|
|
8029 || event == EVENT_FILEAPPENDPOST
|
|
|
8030 || event == EVENT_VIMLEAVE
|
|
|
8031 || event == EVENT_VIMLEAVEPRE))
|
|
|
8032 {
|
|
|
8033 #ifdef FEAT_TITLE
|
|
|
8034 if (curbuf->b_changed != save_changed)
|
|
|
8035 need_maketitle = TRUE;
|
|
|
8036 #endif
|
|
|
8037 curbuf->b_changed = save_changed;
|
|
|
8038 }
|
|
|
8039
|
|
|
8040 au_cleanup(); /* may really delete removed patterns/commands now */
|
|
|
8041 return retval;
|
|
|
8042 }
|
|
|
8043
|
|
|
8044 /*
|
|
|
8045 * Find next autocommand pattern that matches.
|
|
|
8046 */
|
|
|
8047 static void
|
|
|
8048 auto_next_pat(apc, stop_at_last)
|
|
|
8049 AutoPatCmd *apc;
|
|
|
8050 int stop_at_last; /* stop when 'last' flag is set */
|
|
|
8051 {
|
|
|
8052 AutoPat *ap;
|
|
|
8053 AutoCmd *cp;
|
|
|
8054 char_u *name;
|
|
|
8055 char *s;
|
|
|
8056
|
|
|
8057 vim_free(sourcing_name);
|
|
|
8058 sourcing_name = NULL;
|
|
|
8059
|
|
|
8060 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next)
|
|
|
8061 {
|
|
|
8062 apc->curpat = NULL;
|
|
|
8063
|
|
|
8064 /* only use a pattern when it has not been removed, has commands and
|
|
|
8065 * the group matches */
|
|
|
8066 if (ap->pat != NULL && ap->cmds != NULL
|
|
|
8067 && (apc->group == AUGROUP_ALL || apc->group == ap->group))
|
|
|
8068 {
|
|
|
8069 if (match_file_pat(ap->reg_pat, apc->fname, apc->sfname, apc->tail,
|
|
|
8070 ap->allow_dirs))
|
|
|
8071 {
|
|
|
8072 name = event_nr2name(apc->event);
|
|
|
8073 s = _("%s Auto commands for \"%s\"");
|
|
|
8074 sourcing_name = alloc((unsigned)(STRLEN(s)
|
|
|
8075 + STRLEN(name) + ap->patlen + 1));
|
|
|
8076 if (sourcing_name != NULL)
|
|
|
8077 {
|
|
|
8078 sprintf((char *)sourcing_name, s,
|
|
|
8079 (char *)name, (char *)ap->pat);
|
|
|
8080 if (p_verbose >= 8)
|
|
|
8081 msg_str((char_u *)_("Executing %s"), sourcing_name);
|
|
|
8082 }
|
|
|
8083
|
|
|
8084 apc->curpat = ap;
|
|
|
8085 apc->nextcmd = ap->cmds;
|
|
|
8086 /* mark last command */
|
|
|
8087 for (cp = ap->cmds; cp->next != NULL; cp = cp->next)
|
|
|
8088 cp->last = FALSE;
|
|
|
8089 cp->last = TRUE;
|
|
|
8090 }
|
|
|
8091 line_breakcheck();
|
|
|
8092 if (apc->curpat != NULL) /* found a match */
|
|
|
8093 break;
|
|
|
8094 }
|
|
|
8095 if (stop_at_last && ap->last)
|
|
|
8096 break;
|
|
|
8097 }
|
|
|
8098 }
|
|
|
8099
|
|
|
8100 /*
|
|
|
8101 * Get next autocommand command.
|
|
|
8102 * Called by do_cmdline() to get the next line for ":if".
|
|
|
8103 * Returns allocated string, or NULL for end of autocommands.
|
|
|
8104 */
|
|
|
8105 /* ARGSUSED */
|
|
|
8106 static char_u *
|
|
|
8107 getnextac(c, cookie, indent)
|
|
|
8108 int c; /* not used */
|
|
|
8109 void *cookie;
|
|
|
8110 int indent; /* not used */
|
|
|
8111 {
|
|
|
8112 AutoPatCmd *acp = (AutoPatCmd *)cookie;
|
|
|
8113 char_u *retval;
|
|
|
8114 AutoCmd *ac;
|
|
|
8115
|
|
|
8116 /* Can be called again after returning the last line. */
|
|
|
8117 if (acp->curpat == NULL)
|
|
|
8118 return NULL;
|
|
|
8119
|
|
|
8120 /* repeat until we find an autocommand to execute */
|
|
|
8121 for (;;)
|
|
|
8122 {
|
|
|
8123 /* skip removed commands */
|
|
|
8124 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL)
|
|
|
8125 if (acp->nextcmd->last)
|
|
|
8126 acp->nextcmd = NULL;
|
|
|
8127 else
|
|
|
8128 acp->nextcmd = acp->nextcmd->next;
|
|
|
8129
|
|
|
8130 if (acp->nextcmd != NULL)
|
|
|
8131 break;
|
|
|
8132
|
|
|
8133 /* at end of commands, find next pattern that matches */
|
|
|
8134 if (acp->curpat->last)
|
|
|
8135 acp->curpat = NULL;
|
|
|
8136 else
|
|
|
8137 acp->curpat = acp->curpat->next;
|
|
|
8138 if (acp->curpat != NULL)
|
|
|
8139 auto_next_pat(acp, TRUE);
|
|
|
8140 if (acp->curpat == NULL)
|
|
|
8141 return NULL;
|
|
|
8142 }
|
|
|
8143
|
|
|
8144 ac = acp->nextcmd;
|
|
|
8145
|
|
|
8146 if (p_verbose >= 9)
|
|
|
8147 {
|
|
|
8148 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
8149 msg_str((char_u *)_("autocommand %s"), ac->cmd);
|
|
|
8150 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
8151 cmdline_row = msg_row;
|
|
|
8152 }
|
|
|
8153 retval = vim_strsave(ac->cmd);
|
|
|
8154 autocmd_nested = ac->nested;
|
|
|
8155 #ifdef FEAT_EVAL
|
|
|
8156 current_SID = ac->scriptID;
|
|
|
8157 #endif
|
|
|
8158 if (ac->last)
|
|
|
8159 acp->nextcmd = NULL;
|
|
|
8160 else
|
|
|
8161 acp->nextcmd = ac->next;
|
|
|
8162 return retval;
|
|
|
8163 }
|
|
|
8164
|
|
|
8165 /*
|
|
|
8166 * Return TRUE if there is a matching autocommand for "fname".
|
|
|
8167 */
|
|
|
8168 int
|
|
|
8169 has_autocmd(event, sfname)
|
|
|
8170 EVENT_T event;
|
|
|
8171 char_u *sfname;
|
|
|
8172 {
|
|
|
8173 AutoPat *ap;
|
|
|
8174 char_u *fname;
|
|
|
8175 char_u *tail = gettail(sfname);
|
|
|
8176 int retval = FALSE;
|
|
|
8177
|
|
|
8178 fname = FullName_save(sfname, FALSE);
|
|
|
8179 if (fname == NULL)
|
|
|
8180 return FALSE;
|
|
|
8181
|
|
|
8182 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8183 /*
|
|
|
8184 * Replace all backslashes with forward slashes. This makes the
|
|
|
8185 * autocommand patterns portable between Unix and MS-DOS.
|
|
|
8186 */
|
|
|
8187 sfname = vim_strsave(sfname);
|
|
|
8188 if (sfname != NULL)
|
|
|
8189 forward_slash(sfname);
|
|
|
8190 forward_slash(fname);
|
|
|
8191 #endif
|
|
|
8192
|
|
|
8193 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next)
|
|
|
8194 if (ap->pat != NULL && ap->cmds != NULL
|
|
|
8195 && match_file_pat(ap->reg_pat, fname, sfname, tail,
|
|
|
8196 ap->allow_dirs))
|
|
|
8197 {
|
|
|
8198 retval = TRUE;
|
|
|
8199 break;
|
|
|
8200 }
|
|
|
8201
|
|
|
8202 vim_free(fname);
|
|
|
8203 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8204 vim_free(sfname);
|
|
|
8205 #endif
|
|
|
8206
|
|
|
8207 return retval;
|
|
|
8208 }
|
|
|
8209
|
|
|
8210 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
8211 /*
|
|
|
8212 * Function given to ExpandGeneric() to obtain the list of autocommand group
|
|
|
8213 * names.
|
|
|
8214 */
|
|
|
8215 /*ARGSUSED*/
|
|
|
8216 char_u *
|
|
|
8217 get_augroup_name(xp, idx)
|
|
|
8218 expand_T *xp;
|
|
|
8219 int idx;
|
|
|
8220 {
|
|
|
8221 if (idx == augroups.ga_len) /* add "END" add the end */
|
|
|
8222 return (char_u *)"END";
|
|
|
8223 if (idx >= augroups.ga_len) /* end of list */
|
|
|
8224 return NULL;
|
|
|
8225 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */
|
|
|
8226 return (char_u *)"";
|
|
|
8227 return AUGROUP_NAME(idx); /* return a name */
|
|
|
8228 }
|
|
|
8229
|
|
|
8230 static int include_groups = FALSE;
|
|
|
8231
|
|
|
8232 char_u *
|
|
|
8233 set_context_in_autocmd(xp, arg, doautocmd)
|
|
|
8234 expand_T *xp;
|
|
|
8235 char_u *arg;
|
|
|
8236 int doautocmd; /* TRUE for :doautocmd, FALSE for :autocmd */
|
|
|
8237 {
|
|
|
8238 char_u *p;
|
|
|
8239 int group;
|
|
|
8240
|
|
|
8241 /* check for a group name, skip it if present */
|
|
|
8242 include_groups = FALSE;
|
|
|
8243 p = arg;
|
|
|
8244 group = au_get_grouparg(&arg);
|
|
|
8245 if (group == AUGROUP_ERROR)
|
|
|
8246 return NULL;
|
|
|
8247 /* If there only is a group name that's what we expand. */
|
|
|
8248 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1]))
|
|
|
8249 {
|
|
|
8250 arg = p;
|
|
|
8251 group = AUGROUP_ALL;
|
|
|
8252 }
|
|
|
8253
|
|
|
8254 /* skip over event name */
|
|
|
8255 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p)
|
|
|
8256 if (*p == ',')
|
|
|
8257 arg = p + 1;
|
|
|
8258 if (*p == NUL)
|
|
|
8259 {
|
|
|
8260 if (group == AUGROUP_ALL)
|
|
|
8261 include_groups = TRUE;
|
|
|
8262 xp->xp_context = EXPAND_EVENTS; /* expand event name */
|
|
|
8263 xp->xp_pattern = arg;
|
|
|
8264 return NULL;
|
|
|
8265 }
|
|
|
8266
|
|
|
8267 /* skip over pattern */
|
|
|
8268 arg = skipwhite(p);
|
|
|
8269 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\'))
|
|
|
8270 arg++;
|
|
|
8271 if (*arg)
|
|
|
8272 return arg; /* expand (next) command */
|
|
|
8273
|
|
|
8274 if (doautocmd)
|
|
|
8275 xp->xp_context = EXPAND_FILES; /* expand file names */
|
|
|
8276 else
|
|
|
8277 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */
|
|
|
8278 return NULL;
|
|
|
8279 }
|
|
|
8280
|
|
|
8281 /*
|
|
|
8282 * Function given to ExpandGeneric() to obtain the list of event names.
|
|
|
8283 */
|
|
|
8284 /*ARGSUSED*/
|
|
|
8285 char_u *
|
|
|
8286 get_event_name(xp, idx)
|
|
|
8287 expand_T *xp;
|
|
|
8288 int idx;
|
|
|
8289 {
|
|
|
8290 if (idx < augroups.ga_len) /* First list group names, if wanted */
|
|
|
8291 {
|
|
|
8292 if (!include_groups || AUGROUP_NAME(idx) == NULL)
|
|
|
8293 return (char_u *)""; /* skip deleted entries */
|
|
|
8294 return AUGROUP_NAME(idx); /* return a name */
|
|
|
8295 }
|
|
|
8296 return (char_u *)event_names[idx - augroups.ga_len].name;
|
|
|
8297 }
|
|
|
8298
|
|
|
8299 #endif /* FEAT_CMDL_COMPL */
|
|
|
8300
|
|
|
8301 /*
|
|
|
8302 * Return TRUE if an autocommand is defined for "event" and "pattern".
|
|
|
8303 * "pattern" can be NULL to accept any pattern.
|
|
|
8304 */
|
|
|
8305 int
|
|
|
8306 au_exists(name, name_end, pattern)
|
|
|
8307 char_u *name;
|
|
|
8308 char_u *name_end;
|
|
|
8309 char_u *pattern;
|
|
|
8310 {
|
|
|
8311 char_u *event_name;
|
|
|
8312 char_u *p;
|
|
|
8313 EVENT_T event;
|
|
|
8314 AutoPat *ap;
|
|
|
8315
|
|
|
8316 /* find the index (enum) for the event name */
|
|
|
8317 event_name = vim_strnsave(name, (int)(name_end - name));
|
|
|
8318 if (event_name == NULL)
|
|
|
8319 return FALSE;
|
|
|
8320 event = event_name2nr(event_name, &p);
|
|
|
8321 vim_free(event_name);
|
|
|
8322
|
|
|
8323 /* return FALSE if the event name is not recognized */
|
|
|
8324 if (event == NUM_EVENTS) /* unknown event name */
|
|
|
8325 return FALSE;
|
|
|
8326
|
|
|
8327 /* Find the first autocommand for this event.
|
|
|
8328 * If there isn't any, return FALSE;
|
|
|
8329 * If there is one and no pattern given, return TRUE; */
|
|
|
8330 ap = first_autopat[(int)event];
|
|
|
8331 if (ap == NULL)
|
|
|
8332 return FALSE;
|
|
|
8333 if (pattern == NULL)
|
|
|
8334 return TRUE;
|
|
|
8335
|
|
|
8336 /* Check if there is an autocommand with the given pattern. */
|
|
|
8337 for ( ; ap != NULL; ap = ap->next)
|
|
|
8338 /* only use a pattern when it has not been removed and has commands */
|
|
|
8339 if (ap->pat != NULL && ap->cmds != NULL
|
|
|
8340 && fnamecmp(ap->pat, pattern) == 0)
|
|
|
8341 return TRUE;
|
|
|
8342
|
|
|
8343 return FALSE;
|
|
|
8344 }
|
|
|
8345 #endif /* FEAT_AUTOCMD */
|
|
|
8346
|
|
|
8347 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO)
|
|
|
8348 /*
|
|
|
8349 * Try matching a filename with a pattern.
|
|
|
8350 * Used for autocommands and 'wildignore'.
|
|
|
8351 * Returns TRUE if there is a match, FALSE otherwise.
|
|
|
8352 */
|
|
|
8353 int
|
|
|
8354 match_file_pat(pattern, fname, sfname, tail, allow_dirs)
|
|
|
8355 char_u *pattern; /* pattern to match with */
|
|
|
8356 char_u *fname; /* full path of file name */
|
|
|
8357 char_u *sfname; /* short file name or NULL */
|
|
|
8358 char_u *tail; /* tail of path */
|
|
|
8359 int allow_dirs; /* allow matching with dir */
|
|
|
8360 {
|
|
|
8361 regmatch_T regmatch;
|
|
|
8362 int result = FALSE;
|
|
|
8363 #ifdef FEAT_OSFILETYPE
|
|
|
8364 int no_pattern = FALSE; /* TRUE if check is filetype only */
|
|
|
8365 char_u *type_start;
|
|
|
8366 char_u c;
|
|
|
8367 int match = FALSE;
|
|
|
8368 #endif
|
|
|
8369
|
|
|
8370 #ifdef CASE_INSENSITIVE_FILENAME
|
|
|
8371 regmatch.rm_ic = TRUE; /* Always ignore case */
|
|
|
8372 #else
|
|
|
8373 regmatch.rm_ic = FALSE; /* Don't ever ignore case */
|
|
|
8374 #endif
|
|
|
8375 #ifdef FEAT_OSFILETYPE
|
|
|
8376 if (*pattern == '<')
|
|
|
8377 {
|
|
|
8378 /* There is a filetype condition specified with this pattern.
|
|
|
8379 * Check the filetype matches first. If not, don't bother with the
|
|
|
8380 * pattern (set regprog to NULL).
|
|
|
8381 * Always use magic for the regexp.
|
|
|
8382 */
|
|
|
8383
|
|
|
8384 for (type_start = pattern + 1; (c = *pattern); pattern++)
|
|
|
8385 {
|
|
|
8386 if ((c == ';' || c == '>') && match == FALSE)
|
|
|
8387 {
|
|
|
8388 *pattern = NUL; /* Terminate the string */
|
|
|
8389 match = mch_check_filetype(fname, type_start);
|
|
|
8390 *pattern = c; /* Restore the terminator */
|
|
|
8391 type_start = pattern + 1;
|
|
|
8392 }
|
|
|
8393 if (c == '>')
|
|
|
8394 break;
|
|
|
8395 }
|
|
|
8396
|
|
|
8397 /* (c should never be NUL, but check anyway) */
|
|
|
8398 if (match == FALSE || c == NUL)
|
|
|
8399 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */
|
|
|
8400 else if (*pattern == NUL)
|
|
|
8401 {
|
|
|
8402 regmatch.regprog = NULL; /* Vim will try to free regprog later */
|
|
|
8403 no_pattern = TRUE; /* Always matches - don't check pat. */
|
|
|
8404 }
|
|
|
8405 else
|
|
|
8406 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC);
|
|
|
8407 }
|
|
|
8408 else
|
|
|
8409 #endif
|
|
|
8410 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC);
|
|
|
8411
|
|
|
8412 /*
|
|
|
8413 * Try for a match with the pattern with:
|
|
|
8414 * 1. the full file name, when the pattern has a '/'.
|
|
|
8415 * 2. the short file name, when the pattern has a '/'.
|
|
|
8416 * 3. the tail of the file name, when the pattern has no '/'.
|
|
|
8417 */
|
|
|
8418 if (
|
|
|
8419 #ifdef FEAT_OSFILETYPE
|
|
|
8420 /* If the check is for a filetype only and we don't care
|
|
|
8421 * about the path then skip all the regexp stuff.
|
|
|
8422 */
|
|
|
8423 no_pattern ||
|
|
|
8424 #endif
|
|
|
8425 (regmatch.regprog != NULL
|
|
|
8426 && ((allow_dirs
|
|
|
8427 && (vim_regexec(®match, fname, (colnr_T)0)
|
|
|
8428 || (sfname != NULL
|
|
|
8429 && vim_regexec(®match, sfname, (colnr_T)0))))
|
|
|
8430 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0)))))
|
|
|
8431 result = TRUE;
|
|
|
8432
|
|
|
8433 vim_free(regmatch.regprog);
|
|
|
8434 return result;
|
|
|
8435 }
|
|
|
8436 #endif
|
|
|
8437
|
|
|
8438 #if defined(FEAT_WILDIGN) || defined(PROTO)
|
|
|
8439 /*
|
|
|
8440 * Return TRUE if a file matches with a pattern in "list".
|
|
|
8441 * "list" is a comma-separated list of patterns, like 'wildignore'.
|
|
|
8442 * "sfname" is the short file name or NULL, "ffname" the long file name.
|
|
|
8443 */
|
|
|
8444 int
|
|
|
8445 match_file_list(list, sfname, ffname)
|
|
|
8446 char_u *list;
|
|
|
8447 char_u *sfname;
|
|
|
8448 char_u *ffname;
|
|
|
8449 {
|
|
|
8450 char_u buf[100];
|
|
|
8451 char_u *tail;
|
|
|
8452 char_u *regpat;
|
|
|
8453 char allow_dirs;
|
|
|
8454 int match;
|
|
|
8455 char_u *p;
|
|
|
8456
|
|
|
8457 tail = gettail(sfname);
|
|
|
8458
|
|
|
8459 /* try all patterns in 'wildignore' */
|
|
|
8460 p = list;
|
|
|
8461 while (*p)
|
|
|
8462 {
|
|
|
8463 copy_option_part(&p, buf, 100, ",");
|
|
|
8464 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE);
|
|
|
8465 if (regpat == NULL)
|
|
|
8466 break;
|
|
|
8467 match = match_file_pat(regpat, ffname, sfname, tail, (int)allow_dirs);
|
|
|
8468 vim_free(regpat);
|
|
|
8469 if (match)
|
|
|
8470 return TRUE;
|
|
|
8471 }
|
|
|
8472 return FALSE;
|
|
|
8473 }
|
|
|
8474 #endif
|
|
|
8475
|
|
|
8476 /*
|
|
|
8477 * Convert the given pattern "pat" which has shell style wildcards in it, into
|
|
|
8478 * a regular expression, and return the result in allocated memory. If there
|
|
|
8479 * is a directory path separator to be matched, then TRUE is put in
|
|
|
8480 * allow_dirs, otherwise FALSE is put there -- webb.
|
|
|
8481 * Handle backslashes before special characters, like "\*" and "\ ".
|
|
|
8482 *
|
|
|
8483 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg:
|
|
|
8484 * '<html>myfile' becomes '<html>^myfile$' -- leonard.
|
|
|
8485 *
|
|
|
8486 * Returns NULL when out of memory.
|
|
|
8487 */
|
|
|
8488 /*ARGSUSED*/
|
|
|
8489 char_u *
|
|
|
8490 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash)
|
|
|
8491 char_u *pat;
|
|
|
8492 char_u *pat_end; /* first char after pattern or NULL */
|
|
|
8493 char *allow_dirs; /* Result passed back out in here */
|
|
|
8494 int no_bslash; /* Don't use a backward slash as pathsep */
|
|
|
8495 {
|
|
|
8496 int size;
|
|
|
8497 char_u *endp;
|
|
|
8498 char_u *reg_pat;
|
|
|
8499 char_u *p;
|
|
|
8500 int i;
|
|
|
8501 int nested = 0;
|
|
|
8502 int add_dollar = TRUE;
|
|
|
8503 #ifdef FEAT_OSFILETYPE
|
|
|
8504 int check_length = 0;
|
|
|
8505 #endif
|
|
|
8506
|
|
|
8507 if (allow_dirs != NULL)
|
|
|
8508 *allow_dirs = FALSE;
|
|
|
8509 if (pat_end == NULL)
|
|
|
8510 pat_end = pat + STRLEN(pat);
|
|
|
8511
|
|
|
8512 #ifdef FEAT_OSFILETYPE
|
|
|
8513 /* Find out how much of the string is the filetype check */
|
|
|
8514 if (*pat == '<')
|
|
|
8515 {
|
|
|
8516 /* Count chars until the next '>' */
|
|
|
8517 for (p = pat + 1; p < pat_end && *p != '>'; p++)
|
|
|
8518 ;
|
|
|
8519 if (p < pat_end)
|
|
|
8520 {
|
|
|
8521 /* Pattern is of the form <.*>.* */
|
|
|
8522 check_length = p - pat + 1;
|
|
|
8523 if (p + 1 >= pat_end)
|
|
|
8524 {
|
|
|
8525 /* The 'pattern' is a filetype check ONLY */
|
|
|
8526 reg_pat = (char_u *)alloc(check_length + 1);
|
|
|
8527 if (reg_pat != NULL)
|
|
|
8528 {
|
|
|
8529 mch_memmove(reg_pat, pat, (size_t)check_length);
|
|
|
8530 reg_pat[check_length] = NUL;
|
|
|
8531 }
|
|
|
8532 return reg_pat;
|
|
|
8533 }
|
|
|
8534 }
|
|
|
8535 /* else: there was no closing '>' - assume it was a normal pattern */
|
|
|
8536
|
|
|
8537 }
|
|
|
8538 pat += check_length;
|
|
|
8539 size = 2 + check_length;
|
|
|
8540 #else
|
|
|
8541 size = 2; /* '^' at start, '$' at end */
|
|
|
8542 #endif
|
|
|
8543
|
|
|
8544 for (p = pat; p < pat_end; p++)
|
|
|
8545 {
|
|
|
8546 switch (*p)
|
|
|
8547 {
|
|
|
8548 case '*':
|
|
|
8549 case '.':
|
|
|
8550 case ',':
|
|
|
8551 case '{':
|
|
|
8552 case '}':
|
|
|
8553 case '~':
|
|
|
8554 size += 2; /* extra backslash */
|
|
|
8555 break;
|
|
|
8556 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8557 case '\\':
|
|
|
8558 case '/':
|
|
|
8559 size += 4; /* could become "[\/]" */
|
|
|
8560 break;
|
|
|
8561 #endif
|
|
|
8562 default:
|
|
|
8563 size++;
|
|
|
8564 # ifdef FEAT_MBYTE
|
|
|
8565 if (enc_dbcs != 0 && (*mb_ptr2len_check)(p) > 1)
|
|
|
8566 {
|
|
|
8567 ++p;
|
|
|
8568 ++size;
|
|
|
8569 }
|
|
|
8570 # endif
|
|
|
8571 break;
|
|
|
8572 }
|
|
|
8573 }
|
|
|
8574 reg_pat = alloc(size + 1);
|
|
|
8575 if (reg_pat == NULL)
|
|
|
8576 return NULL;
|
|
|
8577
|
|
|
8578 #ifdef FEAT_OSFILETYPE
|
|
|
8579 /* Copy the type check in to the start. */
|
|
|
8580 if (check_length)
|
|
|
8581 mch_memmove(reg_pat, pat - check_length, (size_t)check_length);
|
|
|
8582 i = check_length;
|
|
|
8583 #else
|
|
|
8584 i = 0;
|
|
|
8585 #endif
|
|
|
8586
|
|
|
8587 if (pat[0] == '*')
|
|
|
8588 while (pat[0] == '*' && pat < pat_end - 1)
|
|
|
8589 pat++;
|
|
|
8590 else
|
|
|
8591 reg_pat[i++] = '^';
|
|
|
8592 endp = pat_end - 1;
|
|
|
8593 if (*endp == '*')
|
|
|
8594 {
|
|
|
8595 while (endp - pat > 0 && *endp == '*')
|
|
|
8596 endp--;
|
|
|
8597 add_dollar = FALSE;
|
|
|
8598 }
|
|
|
8599 for (p = pat; *p && nested >= 0 && p <= endp; p++)
|
|
|
8600 {
|
|
|
8601 switch (*p)
|
|
|
8602 {
|
|
|
8603 case '*':
|
|
|
8604 reg_pat[i++] = '.';
|
|
|
8605 reg_pat[i++] = '*';
|
|
|
8606 break;
|
|
|
8607 case '.':
|
|
|
8608 #ifdef RISCOS
|
|
|
8609 if (allow_dirs != NULL)
|
|
|
8610 *allow_dirs = TRUE;
|
|
|
8611 /* FALLTHROUGH */
|
|
|
8612 #endif
|
|
|
8613 case '~':
|
|
|
8614 reg_pat[i++] = '\\';
|
|
|
8615 reg_pat[i++] = *p;
|
|
|
8616 break;
|
|
|
8617 case '?':
|
|
|
8618 #ifdef RISCOS
|
|
|
8619 case '#':
|
|
|
8620 #endif
|
|
|
8621 reg_pat[i++] = '.';
|
|
|
8622 break;
|
|
|
8623 case '\\':
|
|
|
8624 if (p[1] == NUL)
|
|
|
8625 break;
|
|
|
8626 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8627 if (!no_bslash)
|
|
|
8628 {
|
|
|
8629 /* translate:
|
|
|
8630 * "\x" to "\\x" e.g., "dir\file"
|
|
|
8631 * "\*" to "\\.*" e.g., "dir\*.c"
|
|
|
8632 * "\?" to "\\." e.g., "dir\??.c"
|
|
|
8633 * "\+" to "\+" e.g., "fileX\+.c"
|
|
|
8634 */
|
|
|
8635 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?')
|
|
|
8636 && p[1] != '+')
|
|
|
8637 {
|
|
|
8638 reg_pat[i++] = '[';
|
|
|
8639 reg_pat[i++] = '\\';
|
|
|
8640 reg_pat[i++] = '/';
|
|
|
8641 reg_pat[i++] = ']';
|
|
|
8642 if (allow_dirs != NULL)
|
|
|
8643 *allow_dirs = TRUE;
|
|
|
8644 break;
|
|
|
8645 }
|
|
|
8646 }
|
|
|
8647 #endif
|
|
|
8648 if (*++p == '?'
|
|
|
8649 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8650 && no_bslash
|
|
|
8651 #endif
|
|
|
8652 )
|
|
|
8653 reg_pat[i++] = '?';
|
|
|
8654 else
|
|
|
8655 if (*p == ',')
|
|
|
8656 reg_pat[i++] = ',';
|
|
|
8657 else
|
|
|
8658 {
|
|
|
8659 if (allow_dirs != NULL && vim_ispathsep(*p)
|
|
|
8660 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8661 && (!no_bslash || *p != '\\')
|
|
|
8662 #endif
|
|
|
8663 )
|
|
|
8664 *allow_dirs = TRUE;
|
|
|
8665 reg_pat[i++] = '\\';
|
|
|
8666 reg_pat[i++] = *p;
|
|
|
8667 }
|
|
|
8668 break;
|
|
|
8669 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8670 case '/':
|
|
|
8671 reg_pat[i++] = '[';
|
|
|
8672 reg_pat[i++] = '\\';
|
|
|
8673 reg_pat[i++] = '/';
|
|
|
8674 reg_pat[i++] = ']';
|
|
|
8675 if (allow_dirs != NULL)
|
|
|
8676 *allow_dirs = TRUE;
|
|
|
8677 break;
|
|
|
8678 #endif
|
|
|
8679 case '{':
|
|
|
8680 reg_pat[i++] = '\\';
|
|
|
8681 reg_pat[i++] = '(';
|
|
|
8682 nested++;
|
|
|
8683 break;
|
|
|
8684 case '}':
|
|
|
8685 reg_pat[i++] = '\\';
|
|
|
8686 reg_pat[i++] = ')';
|
|
|
8687 --nested;
|
|
|
8688 break;
|
|
|
8689 case ',':
|
|
|
8690 if (nested)
|
|
|
8691 {
|
|
|
8692 reg_pat[i++] = '\\';
|
|
|
8693 reg_pat[i++] = '|';
|
|
|
8694 }
|
|
|
8695 else
|
|
|
8696 reg_pat[i++] = ',';
|
|
|
8697 break;
|
|
|
8698 default:
|
|
|
8699 # ifdef FEAT_MBYTE
|
|
|
8700 if (enc_dbcs != 0 && (*mb_ptr2len_check)(p) > 1)
|
|
|
8701 reg_pat[i++] = *p++;
|
|
|
8702 else
|
|
|
8703 # endif
|
|
|
8704 if (allow_dirs != NULL && vim_ispathsep(*p))
|
|
|
8705 *allow_dirs = TRUE;
|
|
|
8706 reg_pat[i++] = *p;
|
|
|
8707 break;
|
|
|
8708 }
|
|
|
8709 }
|
|
|
8710 if (add_dollar)
|
|
|
8711 reg_pat[i++] = '$';
|
|
|
8712 reg_pat[i] = NUL;
|
|
|
8713 if (nested != 0)
|
|
|
8714 {
|
|
|
8715 if (nested < 0)
|
|
|
8716 EMSG(_("E219: Missing {."));
|
|
|
8717 else
|
|
|
8718 EMSG(_("E220: Missing }."));
|
|
|
8719 vim_free(reg_pat);
|
|
|
8720 reg_pat = NULL;
|
|
|
8721 }
|
|
|
8722 return reg_pat;
|
|
|
8723 }
|
