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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 {
|
|
|
1501 /*
|
|
|
1502 * Conversion from Apple MacRoman char encoding to UTF-8 or
|
|
|
1503 * latin1, using standard Carbon framework.
|
|
|
1504 */
|
|
|
1505 CFStringRef cfstr;
|
|
|
1506 CFRange r;
|
|
|
1507 CFIndex len = size;
|
|
|
1508
|
|
|
1509 /* MacRoman is an 8-bit encoding, no need to move bytes to
|
|
|
1510 * conv_rest[]. */
|
|
|
1511 cfstr = CFStringCreateWithBytes(NULL, ptr, len,
|
|
|
1512 kCFStringEncodingMacRoman, 0);
|
|
|
1513 /*
|
|
|
1514 * If there is a conversion error, try using another
|
|
|
1515 * conversion.
|
|
|
1516 */
|
|
|
1517 if (cfstr == NULL)
|
|
|
1518 goto rewind_retry;
|
|
|
1519
|
|
|
1520 r.location = 0;
|
|
|
1521 r.length = CFStringGetLength(cfstr);
|
|
|
1522 if (r.length != CFStringGetBytes(cfstr, r,
|
|
|
1523 (enc_utf8) ? kCFStringEncodingUTF8
|
|
|
1524 : kCFStringEncodingISOLatin1,
|
|
|
1525 0, /* no lossy conversion */
|
|
|
1526 0, /* not external representation */
|
|
|
1527 ptr + size, real_size - size, &len))
|
|
|
1528 {
|
|
|
1529 CFRelease(cfstr);
|
|
|
1530 goto rewind_retry;
|
|
|
1531 }
|
|
|
1532 CFRelease(cfstr);
|
|
|
1533 mch_memmove(ptr, ptr + size, len);
|
|
|
1534 size = len;
|
|
|
1535 }
|
|
|
1536 else
|
|
|
1537 # endif
|
|
|
1538 if (fio_flags != 0)
|
|
|
1539 {
|
|
|
1540 int u8c;
|
|
|
1541 char_u *dest;
|
|
|
1542 char_u *tail = NULL;
|
|
|
1543
|
|
|
1544 /*
|
|
|
1545 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8.
|
|
|
1546 * "enc_utf8" not set: Convert Unicode to Latin1.
|
|
|
1547 * Go from end to start through the buffer, because the number
|
|
|
1548 * of bytes may increase.
|
|
|
1549 * "dest" points to after where the UTF-8 bytes go, "p" points
|
|
|
1550 * to after the next character to convert.
|
|
|
1551 */
|
|
|
1552 dest = ptr + real_size;
|
|
|
1553 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8)
|
|
|
1554 {
|
|
|
1555 p = ptr + size;
|
|
|
1556 if (fio_flags == FIO_UTF8)
|
|
|
1557 {
|
|
|
1558 /* Check for a trailing incomplete UTF-8 sequence */
|
|
|
1559 tail = ptr + size - 1;
|
|
|
1560 while (tail > ptr && (*tail & 0xc0) == 0x80)
|
|
|
1561 --tail;
|
|
|
1562 if (tail + utf_byte2len(*tail) <= ptr + size)
|
|
|
1563 tail = NULL;
|
|
|
1564 else
|
|
|
1565 p = tail;
|
|
|
1566 }
|
|
|
1567 }
|
|
|
1568 else if (fio_flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
1569 {
|
|
|
1570 /* Check for a trailing byte */
|
|
|
1571 p = ptr + (size & ~1);
|
|
|
1572 if (size & 1)
|
|
|
1573 tail = p;
|
|
|
1574 if ((fio_flags & FIO_UTF16) && p > ptr)
|
|
|
1575 {
|
|
|
1576 /* Check for a trailing leading word */
|
|
|
1577 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1578 {
|
|
|
1579 u8c = (*--p << 8);
|
|
|
1580 u8c += *--p;
|
|
|
1581 }
|
|
|
1582 else
|
|
|
1583 {
|
|
|
1584 u8c = *--p;
|
|
|
1585 u8c += (*--p << 8);
|
|
|
1586 }
|
|
|
1587 if (u8c >= 0xd800 && u8c <= 0xdbff)
|
|
|
1588 tail = p;
|
|
|
1589 else
|
|
|
1590 p += 2;
|
|
|
1591 }
|
|
|
1592 }
|
|
|
1593 else /* FIO_UCS4 */
|
|
|
1594 {
|
|
|
1595 /* Check for trailing 1, 2 or 3 bytes */
|
|
|
1596 p = ptr + (size & ~3);
|
|
|
1597 if (size & 3)
|
|
|
1598 tail = p;
|
|
|
1599 }
|
|
|
1600
|
|
|
1601 /* If there is a trailing incomplete sequence move it to
|
|
|
1602 * conv_rest[]. */
|
|
|
1603 if (tail != NULL)
|
|
|
1604 {
|
|
|
1605 conv_restlen = (int)((ptr + size) - tail);
|
|
|
1606 mch_memmove(conv_rest, (char_u *)tail, conv_restlen);
|
|
|
1607 size -= conv_restlen;
|
|
|
1608 }
|
|
|
1609
|
|
|
1610
|
|
|
1611 while (p > ptr)
|
|
|
1612 {
|
|
|
1613 if (fio_flags & FIO_LATIN1)
|
|
|
1614 u8c = *--p;
|
|
|
1615 else if (fio_flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
1616 {
|
|
|
1617 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1618 {
|
|
|
1619 u8c = (*--p << 8);
|
|
|
1620 u8c += *--p;
|
|
|
1621 }
|
|
|
1622 else
|
|
|
1623 {
|
|
|
1624 u8c = *--p;
|
|
|
1625 u8c += (*--p << 8);
|
|
|
1626 }
|
|
|
1627 if ((fio_flags & FIO_UTF16)
|
|
|
1628 && u8c >= 0xdc00 && u8c <= 0xdfff)
|
|
|
1629 {
|
|
|
1630 int u16c;
|
|
|
1631
|
|
|
1632 if (p == ptr)
|
|
|
1633 {
|
|
|
1634 /* Missing leading word. */
|
|
|
1635 if (can_retry)
|
|
|
1636 goto rewind_retry;
|
|
|
1637 conv_error = TRUE;
|
|
|
1638 }
|
|
|
1639
|
|
|
1640 /* found second word of double-word, get the first
|
|
|
1641 * word and compute the resulting character */
|
|
|
1642 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1643 {
|
|
|
1644 u16c = (*--p << 8);
|
|
|
1645 u16c += *--p;
|
|
|
1646 }
|
|
|
1647 else
|
|
|
1648 {
|
|
|
1649 u16c = *--p;
|
|
|
1650 u16c += (*--p << 8);
|
|
|
1651 }
|
|
|
1652 /* Check if the word is indeed a leading word. */
|
|
|
1653 if (u16c < 0xd800 || u16c > 0xdbff)
|
|
|
1654 {
|
|
|
1655 if (can_retry)
|
|
|
1656 goto rewind_retry;
|
|
|
1657 conv_error = TRUE;
|
|
|
1658 }
|
|
|
1659 u8c = 0x10000 + ((u16c & 0x3ff) << 10)
|
|
|
1660 + (u8c & 0x3ff);
|
|
|
1661 }
|
|
|
1662 }
|
|
|
1663 else if (fio_flags & FIO_UCS4)
|
|
|
1664 {
|
|
|
1665 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1666 {
|
|
|
1667 u8c = (*--p << 24);
|
|
|
1668 u8c += (*--p << 16);
|
|
|
1669 u8c += (*--p << 8);
|
|
|
1670 u8c += *--p;
|
|
|
1671 }
|
|
|
1672 else /* big endian */
|
|
|
1673 {
|
|
|
1674 u8c = *--p;
|
|
|
1675 u8c += (*--p << 8);
|
|
|
1676 u8c += (*--p << 16);
|
|
|
1677 u8c += (*--p << 24);
|
|
|
1678 }
|
|
|
1679 }
|
|
|
1680 else /* UTF-8 */
|
|
|
1681 {
|
|
|
1682 if (*--p < 0x80)
|
|
|
1683 u8c = *p;
|
|
|
1684 else
|
|
|
1685 {
|
|
|
1686 len = utf_head_off(ptr, p);
|
|
|
1687 if (len == 0)
|
|
|
1688 {
|
|
|
1689 /* Not a valid UTF-8 character, retry with
|
|
|
1690 * another fenc when possible, otherwise just
|
|
|
1691 * report the error. */
|
|
|
1692 if (can_retry)
|
|
|
1693 goto rewind_retry;
|
|
|
1694 conv_error = TRUE;
|
|
|
1695 }
|
|
|
1696 p -= len;
|
|
|
1697 u8c = utf_ptr2char(p);
|
|
|
1698 }
|
|
|
1699 }
|
|
|
1700 if (enc_utf8) /* produce UTF-8 */
|
|
|
1701 {
|
|
|
1702 dest -= utf_char2len(u8c);
|
|
|
1703 (void)utf_char2bytes(u8c, dest);
|
|
|
1704 }
|
|
|
1705 else /* produce Latin1 */
|
|
|
1706 {
|
|
|
1707 --dest;
|
|
|
1708 if (u8c >= 0x100)
|
|
|
1709 {
|
|
|
1710 /* character doesn't fit in latin1, retry with
|
|
|
1711 * another fenc when possible, otherwise just
|
|
|
1712 * report the error. */
|
|
|
1713 if (can_retry && !keep_dest_enc)
|
|
|
1714 goto rewind_retry;
|
|
|
1715 *dest = 0xBF;
|
|
|
1716 conv_error = TRUE;
|
|
|
1717 }
|
|
|
1718 else
|
|
|
1719 *dest = u8c;
|
|
|
1720 }
|
|
|
1721 }
|
|
|
1722
|
|
|
1723 /* move the linerest to before the converted characters */
|
|
|
1724 line_start = dest - linerest;
|
|
|
1725 mch_memmove(line_start, buffer, (size_t)linerest);
|
|
|
1726 size = (long)((ptr + real_size) - dest);
|
|
|
1727 ptr = dest;
|
|
|
1728 }
|
|
|
1729 else if (enc_utf8 && !conv_error && !curbuf->b_p_bin)
|
|
|
1730 {
|
|
|
1731 /* Reading UTF-8: Check if the bytes are valid UTF-8.
|
|
|
1732 * Need to start before "ptr" when part of the character was
|
|
|
1733 * read in the previous read() call. */
|
|
|
1734 for (p = ptr - utf_head_off(buffer, ptr); p < ptr + size; ++p)
|
|
|
1735 {
|
|
|
1736 if (*p >= 0x80)
|
|
|
1737 {
|
|
|
1738 len = utf_ptr2len_check(p);
|
|
|
1739 /* A length of 1 means it's an illegal byte. Accept
|
|
|
1740 * an incomplete character at the end though, the next
|
|
|
1741 * read() will get the next bytes, we'll check it
|
|
|
1742 * then. */
|
|
|
1743 if (len == 1)
|
|
|
1744 {
|
|
|
1745 p += utf_byte2len(*p) - 1;
|
|
|
1746 break;
|
|
|
1747 }
|
|
|
1748 p += len - 1;
|
|
|
1749 }
|
|
|
1750 }
|
|
|
1751 if (p < ptr + size)
|
|
|
1752 {
|
|
|
1753 /* Detected a UTF-8 error. */
|
|
|
1754 if (can_retry)
|
|
|
1755 {
|
|
|
1756 rewind_retry:
|
|
|
1757 /* Retry reading with another conversion. */
|
|
|
1758 # if defined(FEAT_EVAL) && defined(USE_ICONV)
|
|
|
1759 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1)
|
|
|
1760 /* iconv() failed, try 'charconvert' */
|
|
|
1761 did_iconv = TRUE;
|
|
|
1762 else
|
|
|
1763 # endif
|
|
|
1764 /* use next item from 'fileencodings' */
|
|
|
1765 advance_fenc = TRUE;
|
|
|
1766 file_rewind = TRUE;
|
|
|
1767 goto retry;
|
|
|
1768 }
|
|
|
1769
|
|
|
1770 /* There is no alternative fenc, just report the error. */
|
|
|
1771 # ifdef USE_ICONV
|
|
|
1772 if (iconv_fd != (iconv_t)-1)
|
|
|
1773 conv_error = TRUE;
|
|
|
1774 else
|
|
|
1775 # endif
|
|
|
1776 {
|
|
|
1777 char_u *s;
|
|
|
1778
|
|
|
1779 /* Estimate the line number. */
|
|
|
1780 illegal_byte = curbuf->b_ml.ml_line_count - linecnt + 1;
|
|
|
1781 for (s = ptr; s < p; ++s)
|
|
|
1782 if (*s == '\n')
|
|
|
1783 ++illegal_byte;
|
|
|
1784 }
|
|
|
1785 }
|
|
|
1786 }
|
|
|
1787 #endif
|
|
|
1788
|
|
|
1789 /* count the number of characters (after conversion!) */
|
|
|
1790 filesize += size;
|
|
|
1791
|
|
|
1792 /*
|
|
|
1793 * when reading the first part of a file: guess EOL type
|
|
|
1794 */
|
|
|
1795 if (fileformat == EOL_UNKNOWN)
|
|
|
1796 {
|
|
|
1797 /* First try finding a NL, for Dos and Unix */
|
|
|
1798 if (try_dos || try_unix)
|
|
|
1799 {
|
|
|
1800 for (p = ptr; p < ptr + size; ++p)
|
|
|
1801 {
|
|
|
1802 if (*p == NL)
|
|
|
1803 {
|
|
|
1804 if (!try_unix
|
|
|
1805 || (try_dos && p > ptr && p[-1] == CAR))
|
|
|
1806 fileformat = EOL_DOS;
|
|
|
1807 else
|
|
|
1808 fileformat = EOL_UNIX;
|
|
|
1809 break;
|
|
|
1810 }
|
|
|
1811 }
|
|
|
1812
|
|
|
1813 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */
|
|
|
1814 if (fileformat == EOL_UNIX && try_mac)
|
|
|
1815 {
|
|
|
1816 /* Need to reset the counters when retrying fenc. */
|
|
|
1817 try_mac = 1;
|
|
|
1818 try_unix = 1;
|
|
|
1819 for (; p >= ptr && *p != CAR; p--)
|
|
|
1820 ;
|
|
|
1821 if (p >= ptr)
|
|
|
1822 {
|
|
|
1823 for (p = ptr; p < ptr + size; ++p)
|
|
|
1824 {
|
|
|
1825 if (*p == NL)
|
|
|
1826 try_unix++;
|
|
|
1827 else if (*p == CAR)
|
|
|
1828 try_mac++;
|
|
|
1829 }
|
|
|
1830 if (try_mac > try_unix)
|
|
|
1831 fileformat = EOL_MAC;
|
|
|
1832 }
|
|
|
1833 }
|
|
|
1834 }
|
|
|
1835
|
|
|
1836 /* No NL found: may use Mac format */
|
|
|
1837 if (fileformat == EOL_UNKNOWN && try_mac)
|
|
|
1838 fileformat = EOL_MAC;
|
|
|
1839
|
|
|
1840 /* Still nothing found? Use first format in 'ffs' */
|
|
|
1841 if (fileformat == EOL_UNKNOWN)
|
|
|
1842 fileformat = default_fileformat();
|
|
|
1843
|
|
|
1844 /* if editing a new file: may set p_tx and p_ff */
|
|
|
1845 if (newfile)
|
|
|
1846 set_fileformat(fileformat, OPT_LOCAL);
|
|
|
1847 }
|
|
|
1848 }
|
|
|
1849
|
|
|
1850 /*
|
|
|
1851 * This loop is executed once for every character read.
|
|
|
1852 * Keep it fast!
|
|
|
1853 */
|
|
|
1854 if (fileformat == EOL_MAC)
|
|
|
1855 {
|
|
|
1856 --ptr;
|
|
|
1857 while (++ptr, --size >= 0)
|
|
|
1858 {
|
|
|
1859 /* catch most common case first */
|
|
|
1860 if ((c = *ptr) != NUL && c != CAR && c != NL)
|
|
|
1861 continue;
|
|
|
1862 if (c == NUL)
|
|
|
1863 *ptr = NL; /* NULs are replaced by newlines! */
|
|
|
1864 else if (c == NL)
|
|
|
1865 *ptr = CAR; /* NLs are replaced by CRs! */
|
|
|
1866 else
|
|
|
1867 {
|
|
|
1868 if (skip_count == 0)
|
|
|
1869 {
|
|
|
1870 *ptr = NUL; /* end of line */
|
|
|
1871 len = (colnr_T) (ptr - line_start + 1);
|
|
|
1872 if (ml_append(lnum, line_start, len, newfile) == FAIL)
|
|
|
1873 {
|
|
|
1874 error = TRUE;
|
|
|
1875 break;
|
|
|
1876 }
|
|
|
1877 ++lnum;
|
|
|
1878 if (--read_count == 0)
|
|
|
1879 {
|
|
|
1880 error = TRUE; /* break loop */
|
|
|
1881 line_start = ptr; /* nothing left to write */
|
|
|
1882 break;
|
|
|
1883 }
|
|
|
1884 }
|
|
|
1885 else
|
|
|
1886 --skip_count;
|
|
|
1887 line_start = ptr + 1;
|
|
|
1888 }
|
|
|
1889 }
|
|
|
1890 }
|
|
|
1891 else
|
|
|
1892 {
|
|
|
1893 --ptr;
|
|
|
1894 while (++ptr, --size >= 0)
|
|
|
1895 {
|
|
|
1896 if ((c = *ptr) != NUL && c != NL) /* catch most common case */
|
|
|
1897 continue;
|
|
|
1898 if (c == NUL)
|
|
|
1899 *ptr = NL; /* NULs are replaced by newlines! */
|
|
|
1900 else
|
|
|
1901 {
|
|
|
1902 if (skip_count == 0)
|
|
|
1903 {
|
|
|
1904 *ptr = NUL; /* end of line */
|
|
|
1905 len = (colnr_T)(ptr - line_start + 1);
|
|
|
1906 if (fileformat == EOL_DOS)
|
|
|
1907 {
|
|
|
1908 if (ptr[-1] == CAR) /* remove CR */
|
|
|
1909 {
|
|
|
1910 ptr[-1] = NUL;
|
|
|
1911 --len;
|
|
|
1912 }
|
|
|
1913 /*
|
|
|
1914 * Reading in Dos format, but no CR-LF found!
|
|
|
1915 * When 'fileformats' includes "unix", delete all
|
|
|
1916 * the lines read so far and start all over again.
|
|
|
1917 * Otherwise give an error message later.
|
|
|
1918 */
|
|
|
1919 else if (ff_error != EOL_DOS)
|
|
|
1920 {
|
|
|
1921 if ( try_unix
|
|
|
1922 && !read_stdin
|
|
|
1923 && (read_buffer
|
|
|
1924 || lseek(fd, (off_t)0L, SEEK_SET) == 0))
|
|
|
1925 {
|
|
|
1926 fileformat = EOL_UNIX;
|
|
|
1927 if (newfile)
|
|
|
1928 set_fileformat(EOL_UNIX, OPT_LOCAL);
|
|
|
1929 file_rewind = TRUE;
|
|
|
1930 keep_fileformat = TRUE;
|
|
|
1931 goto retry;
|
|
|
1932 }
|
|
|
1933 ff_error = EOL_DOS;
|
|
|
1934 }
|
|
|
1935 }
|
|
|
1936 if (ml_append(lnum, line_start, len, newfile) == FAIL)
|
|
|
1937 {
|
|
|
1938 error = TRUE;
|
|
|
1939 break;
|
|
|
1940 }
|
|
|
1941 ++lnum;
|
|
|
1942 if (--read_count == 0)
|
|
|
1943 {
|
|
|
1944 error = TRUE; /* break loop */
|
|
|
1945 line_start = ptr; /* nothing left to write */
|
|
|
1946 break;
|
|
|
1947 }
|
|
|
1948 }
|
|
|
1949 else
|
|
|
1950 --skip_count;
|
|
|
1951 line_start = ptr + 1;
|
|
|
1952 }
|
|
|
1953 }
|
|
|
1954 }
|
|
|
1955 linerest = (long)(ptr - line_start);
|
|
|
1956 ui_breakcheck();
|
|
|
1957 }
|
|
|
1958
|
|
|
1959 failed:
|
|
|
1960 /* not an error, max. number of lines reached */
|
|
|
1961 if (error && read_count == 0)
|
|
|
1962 error = FALSE;
|
|
|
1963
|
|
|
1964 /*
|
|
|
1965 * If we get EOF in the middle of a line, note the fact and
|
|
|
1966 * complete the line ourselves.
|
|
|
1967 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set.
|
|
|
1968 */
|
|
|
1969 if (!error
|
|
|
1970 && !got_int
|
|
|
1971 && linerest != 0
|
|
|
1972 && !(!curbuf->b_p_bin
|
|
|
1973 && fileformat == EOL_DOS
|
|
|
1974 && *line_start == Ctrl_Z
|
|
|
1975 && ptr == line_start + 1))
|
|
|
1976 {
|
|
|
1977 if (newfile) /* remember for when writing */
|
|
|
1978 curbuf->b_p_eol = FALSE;
|
|
|
1979 *ptr = NUL;
|
|
|
1980 if (ml_append(lnum, line_start,
|
|
|
1981 (colnr_T)(ptr - line_start + 1), newfile) == FAIL)
|
|
|
1982 error = TRUE;
|
|
|
1983 else
|
|
|
1984 read_no_eol_lnum = ++lnum;
|
|
|
1985 }
|
|
|
1986
|
|
|
1987 if (newfile)
|
|
|
1988 save_file_ff(curbuf); /* remember the current file format */
|
|
|
1989
|
|
|
1990 #ifdef FEAT_CRYPT
|
|
|
1991 if (cryptkey != curbuf->b_p_key)
|
|
|
1992 vim_free(cryptkey);
|
|
|
1993 #endif
|
|
|
1994
|
|
|
1995 #ifdef FEAT_MBYTE
|
|
|
1996 /* If editing a new file: set 'fenc' for the current buffer. */
|
|
|
1997 if (newfile)
|
|
|
1998 set_string_option_direct((char_u *)"fenc", -1, fenc,
|
|
|
1999 OPT_FREE|OPT_LOCAL);
|
|
|
2000 if (fenc_alloced)
|
|
|
2001 vim_free(fenc);
|
|
|
2002 # ifdef USE_ICONV
|
|
|
2003 if (iconv_fd != (iconv_t)-1)
|
|
|
2004 {
|
|
|
2005 iconv_close(iconv_fd);
|
|
|
2006 iconv_fd = (iconv_t)-1;
|
|
|
2007 }
|
|
|
2008 # endif
|
|
|
2009 #endif
|
|
|
2010
|
|
|
2011 if (!read_buffer && !read_stdin)
|
|
|
2012 close(fd); /* errors are ignored */
|
|
|
2013 vim_free(buffer);
|
|
|
2014
|
|
|
2015 #ifdef HAVE_DUP
|
|
|
2016 if (read_stdin)
|
|
|
2017 {
|
|
|
2018 /* Use stderr for stdin, makes shell commands work. */
|
|
|
2019 close(0);
|
|
|
2020 dup(2);
|
|
|
2021 }
|
|
|
2022 #endif
|
|
|
2023
|
|
|
2024 #ifdef FEAT_MBYTE
|
|
|
2025 if (tmpname != NULL)
|
|
|
2026 {
|
|
|
2027 mch_remove(tmpname); /* delete converted file */
|
|
|
2028 vim_free(tmpname);
|
|
|
2029 }
|
|
|
2030 #endif
|
|
|
2031 --no_wait_return; /* may wait for return now */
|
|
|
2032
|
|
|
2033 /*
|
|
|
2034 * In recovery mode everything but autocommands is skipped.
|
|
|
2035 */
|
|
|
2036 if (!recoverymode)
|
|
|
2037 {
|
|
|
2038 /* need to delete the last line, which comes from the empty buffer */
|
|
|
2039 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY))
|
|
|
2040 {
|
|
|
2041 #ifdef FEAT_NETBEANS_INTG
|
|
|
2042 netbeansFireChanges = 0;
|
|
|
2043 #endif
|
|
|
2044 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
|
|
|
2045 #ifdef FEAT_NETBEANS_INTG
|
|
|
2046 netbeansFireChanges = 1;
|
|
|
2047 #endif
|
|
|
2048 --linecnt;
|
|
|
2049 }
|
|
|
2050 linecnt = curbuf->b_ml.ml_line_count - linecnt;
|
|
|
2051 if (filesize == 0)
|
|
|
2052 linecnt = 0;
|
|
|
2053 if (newfile || read_buffer)
|
|
|
2054 redraw_curbuf_later(NOT_VALID);
|
|
|
2055 else if (linecnt) /* appended at least one line */
|
|
|
2056 appended_lines_mark(from, linecnt);
|
|
|
2057
|
|
|
2058 #ifdef FEAT_DIFF
|
|
|
2059 /* After reading the text into the buffer the diff info needs to be
|
|
|
2060 * updated. */
|
|
|
2061 if ((newfile || read_buffer))
|
|
|
2062 diff_invalidate();
|
|
|
2063 #endif
|
|
|
2064 #ifndef ALWAYS_USE_GUI
|
|
|
2065 /*
|
|
|
2066 * If we were reading from the same terminal as where messages go,
|
|
|
2067 * the screen will have been messed up.
|
|
|
2068 * Switch on raw mode now and clear the screen.
|
|
|
2069 */
|
|
|
2070 if (read_stdin)
|
|
|
2071 {
|
|
|
2072 settmode(TMODE_RAW); /* set to raw mode */
|
|
|
2073 starttermcap();
|
|
|
2074 screenclear();
|
|
|
2075 }
|
|
|
2076 #endif
|
|
|
2077
|
|
|
2078 if (got_int)
|
|
|
2079 {
|
|
|
2080 if (!(flags & READ_DUMMY))
|
|
|
2081 {
|
|
|
2082 filemess(curbuf, sfname, (char_u *)_(e_interr), 0);
|
|
|
2083 if (newfile)
|
|
|
2084 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
2085 }
|
|
|
2086 msg_scroll = msg_save;
|
|
|
2087 #ifdef FEAT_VIMINFO
|
|
|
2088 check_marks_read();
|
|
|
2089 #endif
|
|
|
2090 return OK; /* an interrupt isn't really an error */
|
|
|
2091 }
|
|
|
2092
|
|
|
2093 if (!filtering && !(flags & READ_DUMMY))
|
|
|
2094 {
|
|
|
2095 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */
|
|
|
2096 c = FALSE;
|
|
|
2097
|
|
|
2098 #ifdef UNIX
|
|
|
2099 # ifdef S_ISFIFO
|
|
|
2100 if (S_ISFIFO(perm)) /* fifo or socket */
|
|
|
2101 {
|
|
|
2102 STRCAT(IObuff, _("[fifo/socket]"));
|
|
|
2103 c = TRUE;
|
|
|
2104 }
|
|
|
2105 # else
|
|
|
2106 # ifdef S_IFIFO
|
|
|
2107 if ((perm & S_IFMT) == S_IFIFO) /* fifo */
|
|
|
2108 {
|
|
|
2109 STRCAT(IObuff, _("[fifo]"));
|
|
|
2110 c = TRUE;
|
|
|
2111 }
|
|
|
2112 # endif
|
|
|
2113 # ifdef S_IFSOCK
|
|
|
2114 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */
|
|
|
2115 {
|
|
|
2116 STRCAT(IObuff, _("[socket]"));
|
|
|
2117 c = TRUE;
|
|
|
2118 }
|
|
|
2119 # endif
|
|
|
2120 # endif
|
|
|
2121 #endif
|
|
|
2122 if (curbuf->b_p_ro)
|
|
|
2123 {
|
|
|
2124 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]"));
|
|
|
2125 c = TRUE;
|
|
|
2126 }
|
|
|
2127 if (read_no_eol_lnum)
|
|
|
2128 {
|
|
|
2129 msg_add_eol();
|
|
|
2130 c = TRUE;
|
|
|
2131 }
|
|
|
2132 if (ff_error == EOL_DOS)
|
|
|
2133 {
|
|
|
2134 STRCAT(IObuff, _("[CR missing]"));
|
|
|
2135 c = TRUE;
|
|
|
2136 }
|
|
|
2137 if (ff_error == EOL_MAC)
|
|
|
2138 {
|
|
|
2139 STRCAT(IObuff, _("[NL found]"));
|
|
|
2140 c = TRUE;
|
|
|
2141 }
|
|
|
2142 if (split)
|
|
|
2143 {
|
|
|
2144 STRCAT(IObuff, _("[long lines split]"));
|
|
|
2145 c = TRUE;
|
|
|
2146 }
|
|
|
2147 #ifdef FEAT_MBYTE
|
|
|
2148 if (notconverted)
|
|
|
2149 {
|
|
|
2150 STRCAT(IObuff, _("[NOT converted]"));
|
|
|
2151 c = TRUE;
|
|
|
2152 }
|
|
|
2153 else if (converted)
|
|
|
2154 {
|
|
|
2155 STRCAT(IObuff, _("[converted]"));
|
|
|
2156 c = TRUE;
|
|
|
2157 }
|
|
|
2158 #endif
|
|
|
2159 #ifdef FEAT_CRYPT
|
|
|
2160 if (cryptkey != NULL)
|
|
|
2161 {
|
|
|
2162 STRCAT(IObuff, _("[crypted]"));
|
|
|
2163 c = TRUE;
|
|
|
2164 }
|
|
|
2165 #endif
|
|
|
2166 #ifdef FEAT_MBYTE
|
|
|
2167 if (conv_error)
|
|
|
2168 {
|
|
|
2169 STRCAT(IObuff, _("[CONVERSION ERROR]"));
|
|
|
2170 c = TRUE;
|
|
|
2171 }
|
|
|
2172 else if (illegal_byte > 0)
|
|
|
2173 {
|
|
|
2174 sprintf((char *)IObuff + STRLEN(IObuff),
|
|
|
2175 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte);
|
|
|
2176 c = TRUE;
|
|
|
2177 }
|
|
|
2178 else
|
|
|
2179 #endif
|
|
|
2180 if (error)
|
|
|
2181 {
|
|
|
2182 STRCAT(IObuff, _("[READ ERRORS]"));
|
|
|
2183 c = TRUE;
|
|
|
2184 }
|
|
|
2185 if (msg_add_fileformat(fileformat))
|
|
|
2186 c = TRUE;
|
|
|
2187 #ifdef FEAT_CRYPT
|
|
|
2188 if (cryptkey != NULL)
|
|
|
2189 msg_add_lines(c, (long)linecnt, filesize - CRYPT_MAGIC_LEN);
|
|
|
2190 else
|
|
|
2191 #endif
|
|
|
2192 msg_add_lines(c, (long)linecnt, filesize);
|
|
|
2193
|
|
|
2194 vim_free(keep_msg);
|
|
|
2195 keep_msg = NULL;
|
|
|
2196 msg_scrolled_ign = TRUE;
|
|
|
2197 #ifdef ALWAYS_USE_GUI
|
|
|
2198 /* Don't show the message when reading stdin, it would end up in a
|
|
|
2199 * message box (which might be shown when exiting!) */
|
|
|
2200 if (read_stdin || read_buffer)
|
|
|
2201 p = msg_may_trunc(FALSE, IObuff);
|
|
|
2202 else
|
|
|
2203 #endif
|
|
|
2204 p = msg_trunc_attr(IObuff, FALSE, 0);
|
|
|
2205 if (read_stdin || read_buffer || restart_edit != 0
|
|
|
2206 || (msg_scrolled && !need_wait_return))
|
|
|
2207 {
|
|
|
2208 /* Need to repeat the message after redrawing when:
|
|
|
2209 * - When reading from stdin (the screen will be cleared next).
|
|
|
2210 * - When restart_edit is set (otherwise there will be a delay
|
|
|
2211 * before redrawing).
|
|
|
2212 * - When the screen was scrolled but there is no wait-return
|
|
|
2213 * prompt. */
|
|
|
2214 set_keep_msg(p);
|
|
|
2215 keep_msg_attr = 0;
|
|
|
2216 }
|
|
|
2217 msg_scrolled_ign = FALSE;
|
|
|
2218 }
|
|
|
2219
|
|
|
2220 /* with errors writing the file requires ":w!" */
|
|
|
2221 if (newfile && (error
|
|
|
2222 #ifdef FEAT_MBYTE
|
|
|
2223 || conv_error
|
|
|
2224 #endif
|
|
|
2225 ))
|
|
|
2226 curbuf->b_p_ro = TRUE;
|
|
|
2227
|
|
|
2228 u_clearline(); /* cannot use "U" command after adding lines */
|
|
|
2229
|
|
|
2230 /*
|
|
|
2231 * In Ex mode: cursor at last new line.
|
|
|
2232 * Otherwise: cursor at first new line.
|
|
|
2233 */
|
|
|
2234 if (exmode_active)
|
|
|
2235 curwin->w_cursor.lnum = from + linecnt;
|
|
|
2236 else
|
|
|
2237 curwin->w_cursor.lnum = from + 1;
|
|
|
2238 check_cursor_lnum();
|
|
|
2239 beginline(BL_WHITE | BL_FIX); /* on first non-blank */
|
|
|
2240
|
|
|
2241 /*
|
|
|
2242 * Set '[ and '] marks to the newly read lines.
|
|
|
2243 */
|
|
|
2244 curbuf->b_op_start.lnum = from + 1;
|
|
|
2245 curbuf->b_op_start.col = 0;
|
|
|
2246 curbuf->b_op_end.lnum = from + linecnt;
|
|
|
2247 curbuf->b_op_end.col = 0;
|
|
|
2248 }
|
|
|
2249 msg_scroll = msg_save;
|
|
|
2250
|
|
|
2251 #ifdef FEAT_VIMINFO
|
|
|
2252 /*
|
|
|
2253 * Get the marks before executing autocommands, so they can be used there.
|
|
|
2254 */
|
|
|
2255 check_marks_read();
|
|
|
2256 #endif
|
|
|
2257
|
|
|
2258 #ifdef FEAT_AUTOCMD
|
|
|
2259 /*
|
|
|
2260 * Trick: We remember if the last line of the read didn't have
|
|
|
2261 * an eol for when writing it again. This is required for
|
|
|
2262 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work.
|
|
|
2263 */
|
|
|
2264 write_no_eol_lnum = read_no_eol_lnum;
|
|
|
2265
|
|
|
2266 if (!read_stdin && !read_buffer)
|
|
|
2267 {
|
|
|
2268 int m = msg_scroll;
|
|
|
2269 int n = msg_scrolled;
|
|
|
2270
|
|
|
2271 /* Save the fileformat now, otherwise the buffer will be considered
|
|
|
2272 * modified if the format/encoding was automatically detected. */
|
|
|
2273 if (newfile)
|
|
|
2274 save_file_ff(curbuf);
|
|
|
2275
|
|
|
2276 /*
|
|
|
2277 * The output from the autocommands should not overwrite anything and
|
|
|
2278 * should not be overwritten: Set msg_scroll, restore its value if no
|
|
|
2279 * output was done.
|
|
|
2280 */
|
|
|
2281 msg_scroll = TRUE;
|
|
|
2282 if (filtering)
|
|
|
2283 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname,
|
|
|
2284 FALSE, curbuf, eap);
|
|
|
2285 else if (newfile)
|
|
|
2286 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname,
|
|
|
2287 FALSE, curbuf, eap);
|
|
|
2288 else
|
|
|
2289 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname,
|
|
|
2290 FALSE, NULL, eap);
|
|
|
2291 if (msg_scrolled == n)
|
|
|
2292 msg_scroll = m;
|
|
|
2293 #ifdef FEAT_EVAL
|
|
|
2294 if (aborting()) /* autocmds may abort script processing */
|
|
|
2295 return FAIL;
|
|
|
2296 #endif
|
|
|
2297 }
|
|
|
2298 #endif
|
|
|
2299
|
|
|
2300 if (recoverymode && error)
|
|
|
2301 return FAIL;
|
|
|
2302 return OK;
|
|
|
2303 }
|
|
|
2304
|
|
|
2305 /*
|
|
|
2306 * Fill "*eap" to force the 'fileencoding' and 'fileformat' to be equal to the
|
|
|
2307 * buffer "buf". Used for calling readfile().
|
|
|
2308 * Returns OK or FAIL.
|
|
|
2309 */
|
|
|
2310 int
|
|
|
2311 prep_exarg(eap, buf)
|
|
|
2312 exarg_T *eap;
|
|
|
2313 buf_T *buf;
|
|
|
2314 {
|
|
|
2315 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff)
|
|
|
2316 #ifdef FEAT_MBYTE
|
|
|
2317 + STRLEN(buf->b_p_fenc)
|
|
|
2318 #endif
|
|
|
2319 + 15));
|
|
|
2320 if (eap->cmd == NULL)
|
|
|
2321 return FAIL;
|
|
|
2322
|
|
|
2323 #ifdef FEAT_MBYTE
|
|
|
2324 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc);
|
|
|
2325 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff);
|
|
|
2326 #else
|
|
|
2327 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff);
|
|
|
2328 #endif
|
|
|
2329 eap->force_ff = 7;
|
|
|
2330 return OK;
|
|
|
2331 }
|
|
|
2332
|
|
|
2333 #ifdef FEAT_MBYTE
|
|
|
2334 /*
|
|
|
2335 * Find next fileencoding to use from 'fileencodings'.
|
|
|
2336 * "pp" points to fenc_next. It's advanced to the next item.
|
|
|
2337 * When there are no more items, an empty string is returned and *pp is set to
|
|
|
2338 * NULL.
|
|
|
2339 * When *pp is not set to NULL, the result is in allocated memory.
|
|
|
2340 */
|
|
|
2341 static char_u *
|
|
|
2342 next_fenc(pp)
|
|
|
2343 char_u **pp;
|
|
|
2344 {
|
|
|
2345 char_u *p;
|
|
|
2346 char_u *r;
|
|
|
2347
|
|
|
2348 if (**pp == NUL)
|
|
|
2349 {
|
|
|
2350 *pp = NULL;
|
|
|
2351 return (char_u *)"";
|
|
|
2352 }
|
|
|
2353 p = vim_strchr(*pp, ',');
|
|
|
2354 if (p == NULL)
|
|
|
2355 {
|
|
|
2356 r = enc_canonize(*pp);
|
|
|
2357 *pp += STRLEN(*pp);
|
|
|
2358 }
|
|
|
2359 else
|
|
|
2360 {
|
|
|
2361 r = vim_strnsave(*pp, (int)(p - *pp));
|
|
|
2362 *pp = p + 1;
|
|
|
2363 if (r != NULL)
|
|
|
2364 {
|
|
|
2365 p = enc_canonize(r);
|
|
|
2366 vim_free(r);
|
|
|
2367 r = p;
|
|
|
2368 }
|
|
|
2369 }
|
|
|
2370 if (r == NULL) /* out of memory */
|
|
|
2371 {
|
|
|
2372 r = (char_u *)"";
|
|
|
2373 *pp = NULL;
|
|
|
2374 }
|
|
|
2375 return r;
|
|
|
2376 }
|
|
|
2377
|
|
|
2378 # ifdef FEAT_EVAL
|
|
|
2379 /*
|
|
|
2380 * Convert a file with the 'charconvert' expression.
|
|
|
2381 * This closes the file which is to be read, converts it and opens the
|
|
|
2382 * resulting file for reading.
|
|
|
2383 * Returns name of the resulting converted file (the caller should delete it
|
|
|
2384 * after reading it).
|
|
|
2385 * Returns NULL if the conversion failed ("*fdp" is not set) .
|
|
|
2386 */
|
|
|
2387 static char_u *
|
|
|
2388 readfile_charconvert(fname, fenc, fdp)
|
|
|
2389 char_u *fname; /* name of input file */
|
|
|
2390 char_u *fenc; /* converted from */
|
|
|
2391 int *fdp; /* in/out: file descriptor of file */
|
|
|
2392 {
|
|
|
2393 char_u *tmpname;
|
|
|
2394 char_u *errmsg = NULL;
|
|
|
2395
|
|
|
2396 tmpname = vim_tempname('r');
|
|
|
2397 if (tmpname == NULL)
|
|
|
2398 errmsg = (char_u *)_("Can't find temp file for conversion");
|
|
|
2399 else
|
|
|
2400 {
|
|
|
2401 close(*fdp); /* close the input file, ignore errors */
|
|
|
2402 *fdp = -1;
|
|
|
2403 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc,
|
|
|
2404 fname, tmpname) == FAIL)
|
|
|
2405 errmsg = (char_u *)_("Conversion with 'charconvert' failed");
|
|
|
2406 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname,
|
|
|
2407 O_RDONLY | O_EXTRA, 0)) < 0)
|
|
|
2408 errmsg = (char_u *)_("can't read output of 'charconvert'");
|
|
|
2409 }
|
|
|
2410
|
|
|
2411 if (errmsg != NULL)
|
|
|
2412 {
|
|
|
2413 /* Don't use emsg(), it breaks mappings, the retry with
|
|
|
2414 * another type of conversion might still work. */
|
|
|
2415 MSG(errmsg);
|
|
|
2416 if (tmpname != NULL)
|
|
|
2417 {
|
|
|
2418 mch_remove(tmpname); /* delete converted file */
|
|
|
2419 vim_free(tmpname);
|
|
|
2420 tmpname = NULL;
|
|
|
2421 }
|
|
|
2422 }
|
|
|
2423
|
|
|
2424 /* If the input file is closed, open it (caller should check for error). */
|
|
|
2425 if (*fdp < 0)
|
|
|
2426 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
|
|
|
2427
|
|
|
2428 return tmpname;
|
|
|
2429 }
|
|
|
2430 # endif
|
|
|
2431
|
|
|
2432 #endif
|
|
|
2433
|
|
|
2434 #ifdef FEAT_VIMINFO
|
|
|
2435 /*
|
|
|
2436 * Read marks for the current buffer from the viminfo file, when we support
|
|
|
2437 * buffer marks and the buffer has a name.
|
|
|
2438 */
|
|
|
2439 static void
|
|
|
2440 check_marks_read()
|
|
|
2441 {
|
|
|
2442 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0
|
|
|
2443 && curbuf->b_ffname != NULL)
|
|
|
2444 read_viminfo(NULL, FALSE, TRUE, FALSE);
|
|
|
2445
|
|
|
2446 /* Always set b_marks_read; needed when 'viminfo' is changed to include
|
|
|
2447 * the ' parameter after opening a buffer. */
|
|
|
2448 curbuf->b_marks_read = TRUE;
|
|
|
2449 }
|
|
|
2450 #endif
|
|
|
2451
|
|
|
2452 #ifdef FEAT_CRYPT
|
|
|
2453 /*
|
|
|
2454 * Check for magic number used for encryption.
|
|
|
2455 * If found, the magic number is removed from ptr[*sizep] and *sizep and
|
|
|
2456 * *filesizep are updated.
|
|
|
2457 * Return the (new) encryption key, NULL for no encryption.
|
|
|
2458 */
|
|
|
2459 static char_u *
|
|
|
2460 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile)
|
|
|
2461 char_u *cryptkey; /* previous encryption key or NULL */
|
|
|
2462 char_u *ptr; /* pointer to read bytes */
|
|
|
2463 long *sizep; /* length of read bytes */
|
|
|
2464 long *filesizep; /* nr of bytes used from file */
|
|
|
2465 int newfile; /* editing a new buffer */
|
|
|
2466 {
|
|
|
2467 if (*sizep >= CRYPT_MAGIC_LEN
|
|
|
2468 && STRNCMP(ptr, CRYPT_MAGIC, CRYPT_MAGIC_LEN) == 0)
|
|
|
2469 {
|
|
|
2470 if (cryptkey == NULL)
|
|
|
2471 {
|
|
|
2472 if (*curbuf->b_p_key)
|
|
|
2473 cryptkey = curbuf->b_p_key;
|
|
|
2474 else
|
|
|
2475 {
|
|
|
2476 /* When newfile is TRUE, store the typed key
|
|
|
2477 * in the 'key' option and don't free it. */
|
|
|
2478 cryptkey = get_crypt_key(newfile, FALSE);
|
|
|
2479 /* check if empty key entered */
|
|
|
2480 if (cryptkey != NULL && *cryptkey == NUL)
|
|
|
2481 {
|
|
|
2482 if (cryptkey != curbuf->b_p_key)
|
|
|
2483 vim_free(cryptkey);
|
|
|
2484 cryptkey = NULL;
|
|
|
2485 }
|
|
|
2486 }
|
|
|
2487 }
|
|
|
2488
|
|
|
2489 if (cryptkey != NULL)
|
|
|
2490 {
|
|
|
2491 crypt_init_keys(cryptkey);
|
|
|
2492
|
|
|
2493 /* Remove magic number from the text */
|
|
|
2494 *filesizep += CRYPT_MAGIC_LEN;
|
|
|
2495 *sizep -= CRYPT_MAGIC_LEN;
|
|
|
2496 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN, (size_t)*sizep);
|
|
|
2497 }
|
|
|
2498 }
|
|
|
2499 /* When starting to edit a new file which does not have
|
|
|
2500 * encryption, clear the 'key' option, except when
|
|
|
2501 * starting up (called with -x argument) */
|
|
|
2502 else if (newfile && *curbuf->b_p_key && !starting)
|
|
|
2503 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL);
|
|
|
2504
|
|
|
2505 return cryptkey;
|
|
|
2506 }
|
|
|
2507 #endif
|
|
|
2508
|
|
|
2509 #ifdef UNIX
|
|
|
2510 static void
|
|
|
2511 set_file_time(fname, atime, mtime)
|
|
|
2512 char_u *fname;
|
|
|
2513 time_t atime; /* access time */
|
|
|
2514 time_t mtime; /* modification time */
|
|
|
2515 {
|
|
|
2516 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
|
|
|
2517 struct utimbuf buf;
|
|
|
2518
|
|
|
2519 buf.actime = atime;
|
|
|
2520 buf.modtime = mtime;
|
|
|
2521 (void)utime((char *)fname, &buf);
|
|
|
2522 # else
|
|
|
2523 # if defined(HAVE_UTIMES)
|
|
|
2524 struct timeval tvp[2];
|
|
|
2525
|
|
|
2526 tvp[0].tv_sec = atime;
|
|
|
2527 tvp[0].tv_usec = 0;
|
|
|
2528 tvp[1].tv_sec = mtime;
|
|
|
2529 tvp[1].tv_usec = 0;
|
|
|
2530 # ifdef NeXT
|
|
|
2531 (void)utimes((char *)fname, tvp);
|
|
|
2532 # else
|
|
|
2533 (void)utimes((char *)fname, (const struct timeval *)&tvp);
|
|
|
2534 # endif
|
|
|
2535 # endif
|
|
|
2536 # endif
|
|
|
2537 }
|
|
|
2538 #endif /* UNIX */
|
|
|
2539
|
|
|
2540 /*
|
|
|
2541 * buf_write() - write to file 'fname' lines 'start' through 'end'
|
|
|
2542 *
|
|
|
2543 * We do our own buffering here because fwrite() is so slow.
|
|
|
2544 *
|
|
|
2545 * If forceit is true, we don't care for errors when attempting backups (jw).
|
|
|
2546 * In case of an error everything possible is done to restore the original file.
|
|
|
2547 * But when forceit is TRUE, we risk loosing it.
|
|
|
2548 * When reset_changed is TRUE and start == 1 and end ==
|
|
|
2549 * curbuf->b_ml.ml_line_count, reset curbuf->b_changed.
|
|
|
2550 *
|
|
|
2551 * This function must NOT use NameBuff (because it's called by autowrite()).
|
|
|
2552 *
|
|
|
2553 * return FAIL for failure, OK otherwise
|
|
|
2554 */
|
|
|
2555 int
|
|
|
2556 buf_write(buf, fname, sfname, start, end, eap, append, forceit,
|
|
|
2557 reset_changed, filtering)
|
|
|
2558 buf_T *buf;
|
|
|
2559 char_u *fname;
|
|
|
2560 char_u *sfname;
|
|
|
2561 linenr_T start, end;
|
|
|
2562 exarg_T *eap; /* for forced 'ff' and 'fenc', can be
|
|
|
2563 NULL! */
|
|
|
2564 int append;
|
|
|
2565 int forceit;
|
|
|
2566 int reset_changed;
|
|
|
2567 int filtering;
|
|
|
2568 {
|
|
|
2569 int fd;
|
|
|
2570 char_u *backup = NULL;
|
|
|
2571 int backup_copy = FALSE; /* copy the original file? */
|
|
|
2572 int dobackup;
|
|
|
2573 char_u *ffname;
|
|
|
2574 char_u *wfname = NULL; /* name of file to write to */
|
|
|
2575 char_u *s;
|
|
|
2576 char_u *ptr;
|
|
|
2577 char_u c;
|
|
|
2578 int len;
|
|
|
2579 linenr_T lnum;
|
|
|
2580 long nchars;
|
|
|
2581 char_u *errmsg = NULL;
|
|
|
2582 char_u *errnum = NULL;
|
|
|
2583 char_u *buffer;
|
|
|
2584 char_u smallbuf[SMBUFSIZE];
|
|
|
2585 char_u *backup_ext;
|
|
|
2586 int bufsize;
|
|
|
2587 long perm; /* file permissions */
|
|
|
2588 int retval = OK;
|
|
|
2589 int newfile = FALSE; /* TRUE if file doesn't exist yet */
|
|
|
2590 int msg_save = msg_scroll;
|
|
|
2591 int overwriting; /* TRUE if writing over original */
|
|
|
2592 int no_eol = FALSE; /* no end-of-line written */
|
|
|
2593 int device = FALSE; /* writing to a device */
|
|
|
2594 struct stat st_old;
|
|
|
2595 int prev_got_int = got_int;
|
|
|
2596 int file_readonly = FALSE; /* overwritten file is read-only */
|
|
|
2597 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')";
|
|
|
2598 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */
|
|
|
2599 int made_writable = FALSE; /* 'w' bit has been set */
|
|
|
2600 #endif
|
|
|
2601 /* writing everything */
|
|
|
2602 int whole = (start == 1 && end == buf->b_ml.ml_line_count);
|
|
|
2603 #ifdef FEAT_AUTOCMD
|
|
|
2604 linenr_T old_line_count = buf->b_ml.ml_line_count;
|
|
|
2605 #endif
|
|
|
2606 int attr;
|
|
|
2607 int fileformat;
|
|
|
2608 int write_bin;
|
|
|
2609 struct bw_info write_info; /* info for buf_write_bytes() */
|
|
|
2610 #ifdef FEAT_MBYTE
|
|
|
2611 int converted = FALSE;
|
|
|
2612 int notconverted = FALSE;
|
|
|
2613 char_u *fenc; /* effective 'fileencoding' */
|
|
|
2614 char_u *fenc_tofree = NULL; /* allocated "fenc" */
|
|
|
2615 #endif
|
|
|
2616 #ifdef HAS_BW_FLAGS
|
|
|
2617 int wb_flags = 0;
|
|
|
2618 #endif
|
|
|
2619 #ifdef HAVE_ACL
|
|
|
2620 vim_acl_T acl = NULL; /* ACL copied from original file to
|
|
|
2621 backup or new file */
|
|
|
2622 #endif
|
|
|
2623
|
|
|
2624 if (fname == NULL || *fname == NUL) /* safety check */
|
|
|
2625 return FAIL;
|
|
|
2626
|
|
|
2627 /*
|
|
|
2628 * Disallow writing from .exrc and .vimrc in current directory for
|
|
|
2629 * security reasons.
|
|
|
2630 */
|
|
|
2631 if (check_secure())
|
|
|
2632 return FAIL;
|
|
|
2633
|
|
|
2634 /* Avoid a crash for a long name. */
|
|
|
2635 if (STRLEN(fname) >= MAXPATHL)
|
|
|
2636 {
|
|
|
2637 EMSG(_(e_longname));
|
|
|
2638 return FAIL;
|
|
|
2639 }
|
|
|
2640
|
|
|
2641 #ifdef FEAT_MBYTE
|
|
|
2642 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */
|
|
|
2643 write_info.bw_conv_buf = NULL;
|
|
|
2644 write_info.bw_conv_error = FALSE;
|
|
|
2645 write_info.bw_restlen = 0;
|
|
|
2646 # ifdef USE_ICONV
|
|
|
2647 write_info.bw_iconv_fd = (iconv_t)-1;
|
|
|
2648 # endif
|
|
|
2649 #endif
|
|
|
2650
|
|
|
2651 /*
|
|
|
2652 * If there is no file name yet, use the one for the written file.
|
|
|
2653 * BF_NOTEDITED is set to reflect this (in case the write fails).
|
|
|
2654 * Don't do this when the write is for a filter command.
|
|
|
2655 * Only do this when 'cpoptions' contains the 'f' flag.
|
|
|
2656 */
|
|
|
2657 if (reset_changed
|
|
|
2658 && whole
|
|
|
2659 && buf == curbuf
|
|
|
2660 && curbuf->b_ffname == NULL
|
|
|
2661 && !filtering
|
|
|
2662 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL)
|
|
|
2663 {
|
|
|
2664 #ifdef FEAT_AUTOCMD
|
|
|
2665 /* It's like the unnamed buffer is deleted.... */
|
|
|
2666 if (curbuf->b_p_bl)
|
|
|
2667 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf);
|
|
|
2668 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf);
|
|
|
2669 #ifdef FEAT_EVAL
|
|
|
2670 if (aborting()) /* autocmds may abort script processing */
|
|
|
2671 return FAIL;
|
|
|
2672 #endif
|
|
|
2673 #endif
|
|
|
2674 if (setfname(curbuf, fname, sfname, FALSE) == OK)
|
|
|
2675 curbuf->b_flags |= BF_NOTEDITED;
|
|
|
2676 #ifdef FEAT_AUTOCMD
|
|
|
2677 /* ....and a new named one is created */
|
|
|
2678 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf);
|
|
|
2679 if (curbuf->b_p_bl)
|
|
|
2680 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf);
|
|
|
2681 #endif
|
|
|
2682 }
|
|
|
2683
|
|
|
2684 if (sfname == NULL)
|
|
|
2685 sfname = fname;
|
|
|
2686 /*
|
|
|
2687 * For Unix: Use the short file name whenever possible.
|
|
|
2688 * Avoids problems with networks and when directory names are changed.
|
|
|
2689 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
|
|
|
2690 * another directory, which we don't detect
|
|
|
2691 */
|
|
|
2692 ffname = fname; /* remember full fname */
|
|
|
2693 #ifdef UNIX
|
|
|
2694 fname = sfname;
|
|
|
2695 #endif
|
|
|
2696
|
|
|
2697 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0)
|
|
|
2698 overwriting = TRUE;
|
|
|
2699 else
|
|
|
2700 overwriting = FALSE;
|
|
|
2701
|
|
|
2702 if (exiting)
|
|
|
2703 settmode(TMODE_COOK); /* when exiting allow typahead now */
|
|
|
2704
|
|
|
2705 ++no_wait_return; /* don't wait for return yet */
|
|
|
2706
|
|
|
2707 /*
|
|
|
2708 * Set '[ and '] marks to the lines to be written.
|
|
|
2709 */
|
|
|
2710 buf->b_op_start.lnum = start;
|
|
|
2711 buf->b_op_start.col = 0;
|
|
|
2712 buf->b_op_end.lnum = end;
|
|
|
2713 buf->b_op_end.col = 0;
|
|
|
2714
|
|
|
2715 #ifdef FEAT_AUTOCMD
|
|
|
2716 {
|
|
|
2717 aco_save_T aco;
|
|
|
2718 int buf_ffname = FALSE;
|
|
|
2719 int buf_sfname = FALSE;
|
|
|
2720 int buf_fname_f = FALSE;
|
|
|
2721 int buf_fname_s = FALSE;
|
|
|
2722 int did_cmd = FALSE;
|
|
|
2723
|
|
|
2724 /*
|
|
|
2725 * Apply PRE aucocommands.
|
|
|
2726 * Set curbuf to the buffer to be written.
|
|
|
2727 * Careful: The autocommands may call buf_write() recursively!
|
|
|
2728 */
|
|
|
2729 if (ffname == buf->b_ffname)
|
|
|
2730 buf_ffname = TRUE;
|
|
|
2731 if (sfname == buf->b_sfname)
|
|
|
2732 buf_sfname = TRUE;
|
|
|
2733 if (fname == buf->b_ffname)
|
|
|
2734 buf_fname_f = TRUE;
|
|
|
2735 if (fname == buf->b_sfname)
|
|
|
2736 buf_fname_s = TRUE;
|
|
|
2737
|
|
|
2738 /* set curwin/curbuf to buf and save a few things */
|
|
|
2739 aucmd_prepbuf(&aco, buf);
|
|
|
2740
|
|
|
2741 if (append)
|
|
|
2742 {
|
|
|
2743 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD,
|
|
|
2744 sfname, sfname, FALSE, curbuf, eap)))
|
|
|
2745 apply_autocmds_exarg(EVENT_FILEAPPENDPRE,
|
|
|
2746 sfname, sfname, FALSE, curbuf, eap);
|
|
|
2747 }
|
|
|
2748 else if (filtering)
|
|
|
2749 {
|
|
|
2750 apply_autocmds_exarg(EVENT_FILTERWRITEPRE,
|
|
|
2751 NULL, sfname, FALSE, curbuf, eap);
|
|
|
2752 }
|
|
|
2753 else if (reset_changed && whole)
|
|
|
2754 {
|
|
|
2755 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD,
|
|
|
2756 sfname, sfname, FALSE, curbuf, eap)))
|
|
|
2757 apply_autocmds_exarg(EVENT_BUFWRITEPRE,
|
|
|
2758 sfname, sfname, FALSE, curbuf, eap);
|
|
|
2759 }
|
|
|
2760 else
|
|
|
2761 {
|
|
|
2762 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD,
|
|
|
2763 sfname, sfname, FALSE, curbuf, eap)))
|
|
|
2764 apply_autocmds_exarg(EVENT_FILEWRITEPRE,
|
|
|
2765 sfname, sfname, FALSE, curbuf, eap);
|
|
|
2766 }
|
|
|
2767
|
|
|
2768 /* restore curwin/curbuf and a few other things */
|
|
|
2769 aucmd_restbuf(&aco);
|
|
|
2770
|
|
|
2771 /*
|
|
|
2772 * In three situations we return here and don't write the file:
|
|
|
2773 * 1. the autocommands deleted or unloaded the buffer.
|
|
|
2774 * 2. The autocommands abort script processing.
|
|
|
2775 * 3. If one of the "Cmd" autocommands was executed.
|
|
|
2776 */
|
|
|
2777 if (!buf_valid(buf))
|
|
|
2778 buf = NULL;
|
|
|
2779 if (buf == NULL || buf->b_ml.ml_mfp == NULL || did_cmd || aborting())
|
|
|
2780 {
|
|
|
2781 --no_wait_return;
|
|
|
2782 msg_scroll = msg_save;
|
|
|
2783 if (aborting())
|
|
|
2784 /* An aborting error, interrupt or exception in the
|
|
|
2785 * autocommands. */
|
|
|
2786 return FAIL;
|
|
|
2787 if (did_cmd)
|
|
|
2788 {
|
|
|
2789 if (buf == NULL)
|
|
|
2790 /* The buffer was deleted. We assume it was written
|
|
|
2791 * (can't retry anyway). */
|
|
|
2792 return OK;
|
|
|
2793 if (overwriting)
|
|
|
2794 {
|
|
|
2795 /* Assume the buffer was written, update the timestamp. */
|
|
|
2796 ml_timestamp(buf);
|
|
|
2797 buf->b_flags &= ~BF_WRITE_MASK;
|
|
|
2798 }
|
|
|
2799 if (reset_changed && buf->b_changed)
|
|
|
2800 /* Buffer still changed, the autocommands didn't work
|
|
|
2801 * properly. */
|
|
|
2802 return FAIL;
|
|
|
2803 return OK;
|
|
|
2804 }
|
|
|
2805 #ifdef FEAT_EVAL
|
|
|
2806 if (!aborting())
|
|
|
2807 #endif
|
|
|
2808 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written"));
|
|
|
2809 return FAIL;
|
|
|
2810 }
|
|
|
2811
|
|
|
2812 /*
|
|
|
2813 * The autocommands may have changed the number of lines in the file.
|
|
|
2814 * When writing the whole file, adjust the end.
|
|
|
2815 * When writing part of the file, assume that the autocommands only
|
|
|
2816 * changed the number of lines that are to be written (tricky!).
|
|
|
2817 */
|
|
|
2818 if (buf->b_ml.ml_line_count != old_line_count)
|
|
|
2819 {
|
|
|
2820 if (whole) /* write all */
|
|
|
2821 end = buf->b_ml.ml_line_count;
|
|
|
2822 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */
|
|
|
2823 end += buf->b_ml.ml_line_count - old_line_count;
|
|
|
2824 else /* less lines */
|
|
|
2825 {
|
|
|
2826 end -= old_line_count - buf->b_ml.ml_line_count;
|
|
|
2827 if (end < start)
|
|
|
2828 {
|
|
|
2829 --no_wait_return;
|
|
|
2830 msg_scroll = msg_save;
|
|
|
2831 EMSG(_("E204: Autocommand changed number of lines in unexpected way"));
|
|
|
2832 return FAIL;
|
|
|
2833 }
|
|
|
2834 }
|
|
|
2835 }
|
|
|
2836
|
|
|
2837 /*
|
|
|
2838 * The autocommands may have changed the name of the buffer, which may
|
|
|
2839 * be kept in fname, ffname and sfname.
|
|
|
2840 */
|
|
|
2841 if (buf_ffname)
|
|
|
2842 ffname = buf->b_ffname;
|
|
|
2843 if (buf_sfname)
|
|
|
2844 sfname = buf->b_sfname;
|
|
|
2845 if (buf_fname_f)
|
|
|
2846 fname = buf->b_ffname;
|
|
|
2847 if (buf_fname_s)
|
|
|
2848 fname = buf->b_sfname;
|
|
|
2849 }
|
|
|
2850 #endif
|
|
|
2851
|
|
|
2852 #ifdef FEAT_NETBEANS_INTG
|
|
|
2853 if (usingNetbeans && isNetbeansBuffer(buf))
|
|
|
2854 {
|
|
|
2855 if (whole)
|
|
|
2856 {
|
|
|
2857 /*
|
|
|
2858 * b_changed can be 0 after an undo, but we still need to write
|
|
|
2859 * the buffer to NetBeans.
|
|
|
2860 */
|
|
|
2861 if (buf->b_changed || isNetbeansModified(buf))
|
|
|
2862 {
|
|
|
2863 netbeans_save_buffer(buf);
|
|
|
2864 return retval;
|
|
|
2865 }
|
|
|
2866 else
|
|
|
2867 {
|
|
|
2868 errnum = (char_u *)"E656: ";
|
|
|
2869 errmsg = (char_u *)_("NetBeans dissallows writes of unmodified buffers");
|
|
|
2870 buffer = NULL;
|
|
|
2871 goto fail;
|
|
|
2872 }
|
|
|
2873 }
|
|
|
2874 else
|
|
|
2875 {
|
|
|
2876 errnum = (char_u *)"E657: ";
|
|
|
2877 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers");
|
|
|
2878 buffer = NULL;
|
|
|
2879 goto fail;
|
|
|
2880 }
|
|
|
2881 }
|
|
|
2882 #endif
|
|
|
2883
|
|
|
2884 if (shortmess(SHM_OVER) && !exiting)
|
|
|
2885 msg_scroll = FALSE; /* overwrite previous file message */
|
|
|
2886 else
|
|
|
2887 msg_scroll = TRUE; /* don't overwrite previous file message */
|
|
|
2888 if (!filtering)
|
|
|
2889 filemess(buf,
|
|
|
2890 #ifndef UNIX
|
|
|
2891 sfname,
|
|
|
2892 #else
|
|
|
2893 fname,
|
|
|
2894 #endif
|
|
|
2895 (char_u *)"", 0); /* show that we are busy */
|
|
|
2896 msg_scroll = FALSE; /* always overwrite the file message now */
|
|
|
2897
|
|
|
2898 buffer = alloc(BUFSIZE);
|
|
|
2899 if (buffer == NULL) /* can't allocate big buffer, use small
|
|
|
2900 * one (to be able to write when out of
|
|
|
2901 * memory) */
|
|
|
2902 {
|
|
|
2903 buffer = smallbuf;
|
|
|
2904 bufsize = SMBUFSIZE;
|
|
|
2905 }
|
|
|
2906 else
|
|
|
2907 bufsize = BUFSIZE;
|
|
|
2908
|
|
|
2909 /*
|
|
|
2910 * Get information about original file (if there is one).
|
|
|
2911 */
|
|
|
2912 #if defined(UNIX) && !defined(ARCHIE)
|
|
|
2913 st_old.st_dev = st_old.st_ino = 0;
|
|
|
2914 perm = -1;
|
|
|
2915 if (mch_stat((char *)fname, &st_old) < 0)
|
|
|
2916 newfile = TRUE;
|
|
|
2917 else
|
|
|
2918 {
|
|
|
2919 perm = st_old.st_mode;
|
|
|
2920 if (!S_ISREG(st_old.st_mode)) /* not a file */
|
|
|
2921 {
|
|
|
2922 if (S_ISDIR(st_old.st_mode))
|
|
|
2923 {
|
|
|
2924 errnum = (char_u *)"E502: ";
|
|
|
2925 errmsg = (char_u *)_("is a directory");
|
|
|
2926 goto fail;
|
|
|
2927 }
|
|
|
2928 if (mch_nodetype(fname) != NODE_WRITABLE)
|
|
|
2929 {
|
|
|
2930 errnum = (char_u *)"E503: ";
|
|
|
2931 errmsg = (char_u *)_("is not a file or writable device");
|
|
|
2932 goto fail;
|
|
|
2933 }
|
|
|
2934 /* It's a device of some kind (or a fifo) which we can write to
|
|
|
2935 * but for which we can't make a backup. */
|
|
|
2936 device = TRUE;
|
|
|
2937 newfile = TRUE;
|
|
|
2938 perm = -1;
|
|
|
2939 }
|
|
|
2940 }
|
|
|
2941 #else /* !UNIX */
|
|
|
2942 /*
|
|
|
2943 * Check for a writable device name.
|
|
|
2944 */
|
|
|
2945 c = mch_nodetype(fname);
|
|
|
2946 if (c == NODE_OTHER)
|
|
|
2947 {
|
|
|
2948 errnum = (char_u *)"E503: ";
|
|
|
2949 errmsg = (char_u *)_("is not a file or writable device");
|
|
|
2950 goto fail;
|
|
|
2951 }
|
|
|
2952 if (c == NODE_WRITABLE)
|
|
|
2953 {
|
|
|
2954 device = TRUE;
|
|
|
2955 newfile = TRUE;
|
|
|
2956 perm = -1;
|
|
|
2957 }
|
|
|
2958 else
|
|
|
2959 {
|
|
|
2960 perm = mch_getperm(fname);
|
|
|
2961 if (perm < 0)
|
|
|
2962 newfile = TRUE;
|
|
|
2963 else if (mch_isdir(fname))
|
|
|
2964 {
|
|
|
2965 errnum = (char_u *)"E502: ";
|
|
|
2966 errmsg = (char_u *)_("is a directory");
|
|
|
2967 goto fail;
|
|
|
2968 }
|
|
|
2969 if (overwriting)
|
|
|
2970 (void)mch_stat((char *)fname, &st_old);
|
|
|
2971 }
|
|
|
2972 #endif /* !UNIX */
|
|
|
2973
|
|
|
2974 if (!device && !newfile)
|
|
|
2975 {
|
|
|
2976 /*
|
|
|
2977 * Check if the file is really writable (when renaming the file to
|
|
|
2978 * make a backup we won't discover it later).
|
|
|
2979 */
|
|
|
2980 file_readonly = (
|
|
|
2981 # ifdef USE_MCH_ACCESS
|
|
|
2982 # ifdef UNIX
|
|
|
2983 (perm & 0222) == 0 ||
|
|
|
2984 # endif
|
|
|
2985 mch_access((char *)fname, W_OK)
|
|
|
2986 # else
|
|
|
2987 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0
|
|
|
2988 ? TRUE : (close(fd), FALSE)
|
|
|
2989 # endif
|
|
|
2990 );
|
|
|
2991 if (!forceit && file_readonly)
|
|
|
2992 {
|
|
|
2993 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL)
|
|
|
2994 {
|
|
|
2995 errnum = (char_u *)"E504: ";
|
|
|
2996 errmsg = (char_u *)_(err_readonly);
|
|
|
2997 }
|
|
|
2998 else
|
|
|
2999 {
|
|
|
3000 errnum = (char_u *)"E505: ";
|
|
|
3001 errmsg = (char_u *)_("is read-only (add ! to override)");
|
|
|
3002 }
|
|
|
3003 goto fail;
|
|
|
3004 }
|
|
|
3005
|
|
|
3006 /*
|
|
|
3007 * Check if the timestamp hasn't changed since reading the file.
|
|
|
3008 */
|
|
|
3009 if (overwriting)
|
|
|
3010 {
|
|
|
3011 retval = check_mtime(buf, &st_old);
|
|
|
3012 if (retval == FAIL)
|
|
|
3013 goto fail;
|
|
|
3014 }
|
|
|
3015 }
|
|
|
3016
|
|
|
3017 #ifdef HAVE_ACL
|
|
|
3018 /*
|
|
|
3019 * For systems that support ACL: get the ACL from the original file.
|
|
|
3020 */
|
|
|
3021 if (!newfile)
|
|
|
3022 acl = mch_get_acl(fname);
|
|
|
3023 #endif
|
|
|
3024
|
|
|
3025 /*
|
|
|
3026 * If 'backupskip' is not empty, don't make a backup for some files.
|
|
|
3027 */
|
|
|
3028 dobackup = (p_wb || p_bk || *p_pm != NUL);
|
|
|
3029 #ifdef FEAT_WILDIGN
|
|
|
3030 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname))
|
|
|
3031 dobackup = FALSE;
|
|
|
3032 #endif
|
|
|
3033
|
|
|
3034 /*
|
|
|
3035 * Save the value of got_int and reset it. We don't want a previous
|
|
|
3036 * interruption cancel writing, only hitting CTRL-C while writing should
|
|
|
3037 * abort it.
|
|
|
3038 */
|
|
|
3039 prev_got_int = got_int;
|
|
|
3040 got_int = FALSE;
|
|
|
3041
|
|
|
3042 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */
|
|
|
3043 buf->b_saving = TRUE;
|
|
|
3044
|
|
|
3045 /*
|
|
|
3046 * If we are not appending or filtering, the file exists, and the
|
|
|
3047 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup.
|
|
|
3048 * When 'patchmode' is set also make a backup when appending.
|
|
|
3049 *
|
|
|
3050 * Do not make any backup, if 'writebackup' and 'backup' are both switched
|
|
|
3051 * off. This helps when editing large files on almost-full disks.
|
|
|
3052 */
|
|
|
3053 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup)
|
|
|
3054 {
|
|
|
3055 #if defined(UNIX) || defined(WIN32)
|
|
|
3056 struct stat st;
|
|
|
3057 #endif
|
|
|
3058
|
|
|
3059 if ((bkc_flags & BKC_YES) || append) /* "yes" */
|
|
|
3060 backup_copy = TRUE;
|
|
|
3061 #if defined(UNIX) || defined(WIN32)
|
|
|
3062 else if ((bkc_flags & BKC_AUTO)) /* "auto" */
|
|
|
3063 {
|
|
|
3064 int i;
|
|
|
3065
|
|
|
3066 # ifdef UNIX
|
|
|
3067 /*
|
|
|
3068 * Don't rename the file when:
|
|
|
3069 * - it's a hard link
|
|
|
3070 * - it's a symbolic link
|
|
|
3071 * - we don't have write permission in the directory
|
|
|
3072 * - we can't set the owner/group of the new file
|
|
|
3073 */
|
|
|
3074 if (st_old.st_nlink > 1
|
|
|
3075 || mch_lstat((char *)fname, &st) < 0
|
|
|
3076 || st.st_dev != st_old.st_dev
|
|
|
3077 || st.st_ino != st_old.st_ino)
|
|
|
3078 backup_copy = TRUE;
|
|
|
3079 else
|
|
|
3080 # endif
|
|
|
3081 {
|
|
|
3082 /*
|
|
|
3083 * Check if we can create a file and set the owner/group to
|
|
|
3084 * the ones from the original file.
|
|
|
3085 * First find a file name that doesn't exist yet (use some
|
|
|
3086 * arbitrary numbers).
|
|
|
3087 */
|
|
|
3088 STRCPY(IObuff, fname);
|
|
|
3089 for (i = 4913; ; i += 123)
|
|
|
3090 {
|
|
|
3091 sprintf((char *)gettail(IObuff), "%d", i);
|
|
|
3092 if (mch_stat((char *)IObuff, &st) < 0)
|
|
|
3093 break;
|
|
|
3094 }
|
|
|
3095 fd = mch_open((char *)IObuff, O_CREAT|O_WRONLY|O_EXCL, perm);
|
|
|
3096 close(fd);
|
|
|
3097 if (fd < 0) /* can't write in directory */
|
|
|
3098 backup_copy = TRUE;
|
|
|
3099 else
|
|
|
3100 {
|
|
|
3101 # ifdef UNIX
|
|
|
3102 chown((char *)IObuff, st_old.st_uid, st_old.st_gid);
|
|
|
3103 (void)mch_setperm(IObuff, perm);
|
|
|
3104 if (mch_stat((char *)IObuff, &st) < 0
|
|
|
3105 || st.st_uid != st_old.st_uid
|
|
|
3106 || st.st_gid != st_old.st_gid
|
|
|
3107 || st.st_mode != perm)
|
|
|
3108 backup_copy = TRUE;
|
|
|
3109 # endif
|
|
|
3110 mch_remove(IObuff);
|
|
|
3111 }
|
|
|
3112 }
|
|
|
3113 }
|
|
|
3114
|
|
|
3115 # ifdef UNIX
|
|
|
3116 /*
|
|
|
3117 * Break symlinks and/or hardlinks if we've been asked to.
|
|
|
3118 */
|
|
|
3119 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK))
|
|
|
3120 {
|
|
|
3121 int lstat_res;
|
|
|
3122
|
|
|
3123 lstat_res = mch_lstat((char *)fname, &st);
|
|
|
3124
|
|
|
3125 /* Symlinks. */
|
|
|
3126 if ((bkc_flags & BKC_BREAKSYMLINK)
|
|
|
3127 && lstat_res == 0
|
|
|
3128 && st.st_ino != st_old.st_ino)
|
|
|
3129 backup_copy = FALSE;
|
|
|
3130
|
|
|
3131 /* Hardlinks. */
|
|
|
3132 if ((bkc_flags & BKC_BREAKHARDLINK)
|
|
|
3133 && st_old.st_nlink > 1
|
|
|
3134 && (lstat_res != 0 || st.st_ino == st_old.st_ino))
|
|
|
3135 backup_copy = FALSE;
|
|
|
3136 }
|
|
|
3137 #endif
|
|
|
3138
|
|
|
3139 #endif
|
|
|
3140
|
|
|
3141 /* make sure we have a valid backup extension to use */
|
|
|
3142 if (*p_bex == NUL)
|
|
|
3143 {
|
|
|
3144 #ifdef RISCOS
|
|
|
3145 backup_ext = (char_u *)"/bak";
|
|
|
3146 #else
|
|
|
3147 backup_ext = (char_u *)".bak";
|
|
|
3148 #endif
|
|
|
3149 }
|
|
|
3150 else
|
|
|
3151 backup_ext = p_bex;
|
|
|
3152
|
|
|
3153 if (backup_copy
|
|
|
3154 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0)
|
|
|
3155 {
|
|
|
3156 int bfd;
|
|
|
3157 char_u *copybuf, *wp;
|
|
|
3158 int some_error = FALSE;
|
|
|
3159 struct stat st_new;
|
|
|
3160 char_u *dirp;
|
|
|
3161 char_u *rootname;
|
|
|
3162 #ifndef SHORT_FNAME
|
|
|
3163 int did_set_shortname;
|
|
|
3164 #endif
|
|
|
3165
|
|
|
3166 copybuf = alloc(BUFSIZE + 1);
|
|
|
3167 if (copybuf == NULL)
|
|
|
3168 {
|
|
|
3169 some_error = TRUE; /* out of memory */
|
|
|
3170 goto nobackup;
|
|
|
3171 }
|
|
|
3172
|
|
|
3173 /*
|
|
|
3174 * Try to make the backup in each directory in the 'bdir' option.
|
|
|
3175 *
|
|
|
3176 * Unix semantics has it, that we may have a writable file,
|
|
|
3177 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g:
|
|
|
3178 * - the directory is not writable,
|
|
|
3179 * - the file may be a symbolic link,
|
|
|
3180 * - the file may belong to another user/group, etc.
|
|
|
3181 *
|
|
|
3182 * For these reasons, the existing writable file must be truncated
|
|
|
3183 * and reused. Creation of a backup COPY will be attempted.
|
|
|
3184 */
|
|
|
3185 dirp = p_bdir;
|
|
|
3186 while (*dirp)
|
|
|
3187 {
|
|
|
3188 #ifdef UNIX
|
|
|
3189 st_new.st_ino = 0;
|
|
|
3190 st_new.st_dev = 0;
|
|
|
3191 st_new.st_gid = 0;
|
|
|
3192 #endif
|
|
|
3193
|
|
|
3194 /*
|
|
|
3195 * Isolate one directory name, using an entry in 'bdir'.
|
|
|
3196 */
|
|
|
3197 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ",");
|
|
|
3198 rootname = get_file_in_dir(fname, copybuf);
|
|
|
3199 if (rootname == NULL)
|
|
|
3200 {
|
|
|
3201 some_error = TRUE; /* out of memory */
|
|
|
3202 goto nobackup;
|
|
|
3203 }
|
|
|
3204
|
|
|
3205 #ifndef SHORT_FNAME
|
|
|
3206 did_set_shortname = FALSE;
|
|
|
3207 #endif
|
|
|
3208
|
|
|
3209 /*
|
|
|
3210 * May try twice if 'shortname' not set.
|
|
|
3211 */
|
|
|
3212 for (;;)
|
|
|
3213 {
|
|
|
3214 /*
|
|
|
3215 * Make backup file name.
|
|
|
3216 */
|
|
|
3217 backup = buf_modname(
|
|
|
3218 #ifdef SHORT_FNAME
|
|
|
3219 TRUE,
|
|
|
3220 #else
|
|
|
3221 (buf->b_p_sn || buf->b_shortname),
|
|
|
3222 #endif
|
|
|
3223 rootname, backup_ext, FALSE);
|
|
|
3224 if (backup == NULL)
|
|
|
3225 {
|
|
|
3226 vim_free(rootname);
|
|
|
3227 some_error = TRUE; /* out of memory */
|
|
|
3228 goto nobackup;
|
|
|
3229 }
|
|
|
3230
|
|
|
3231 /*
|
|
|
3232 * Check if backup file already exists.
|
|
|
3233 */
|
|
|
3234 if (mch_stat((char *)backup, &st_new) >= 0)
|
|
|
3235 {
|
|
|
3236 #ifdef UNIX
|
|
|
3237 /*
|
|
|
3238 * Check if backup file is same as original file.
|
|
|
3239 * May happen when modname() gave the same file back.
|
|
|
3240 * E.g. silly link, or file name-length reached.
|
|
|
3241 * If we don't check here, we either ruin the file
|
|
|
3242 * when copying or erase it after writing. jw.
|
|
|
3243 */
|
|
|
3244 if (st_new.st_dev == st_old.st_dev
|
|
|
3245 && st_new.st_ino == st_old.st_ino)
|
|
|
3246 {
|
|
|
3247 vim_free(backup);
|
|
|
3248 backup = NULL; /* no backup file to delete */
|
|
|
3249 # ifndef SHORT_FNAME
|
|
|
3250 /*
|
|
|
3251 * may try again with 'shortname' set
|
|
|
3252 */
|
|
|
3253 if (!(buf->b_shortname || buf->b_p_sn))
|
|
|
3254 {
|
|
|
3255 buf->b_shortname = TRUE;
|
|
|
3256 did_set_shortname = TRUE;
|
|
|
3257 continue;
|
|
|
3258 }
|
|
|
3259 /* setting shortname didn't help */
|
|
|
3260 if (did_set_shortname)
|
|
|
3261 buf->b_shortname = FALSE;
|
|
|
3262 # endif
|
|
|
3263 break;
|
|
|
3264 }
|
|
|
3265 #endif
|
|
|
3266
|
|
|
3267 /*
|
|
|
3268 * If we are not going to keep the backup file, don't
|
|
|
3269 * delete an existing one, try to use another name.
|
|
|
3270 * Change one character, just before the extension.
|
|
|
3271 */
|
|
|
3272 if (!p_bk)
|
|
|
3273 {
|
|
|
3274 wp = backup + STRLEN(backup) - 1
|
|
|
3275 - STRLEN(backup_ext);
|
|
|
3276 if (wp < backup) /* empty file name ??? */
|
|
|
3277 wp = backup;
|
|
|
3278 *wp = 'z';
|
|
|
3279 while (*wp > 'a'
|
|
|
3280 && mch_stat((char *)backup, &st_new) >= 0)
|
|
|
3281 --*wp;
|
|
|
3282 /* They all exist??? Must be something wrong. */
|
|
|
3283 if (*wp == 'a')
|
|
|
3284 {
|
|
|
3285 vim_free(backup);
|
|
|
3286 backup = NULL;
|
|
|
3287 }
|
|
|
3288 }
|
|
|
3289 }
|
|
|
3290 break;
|
|
|
3291 }
|
|
|
3292 vim_free(rootname);
|
|
|
3293
|
|
|
3294 /*
|
|
|
3295 * Try to create the backup file
|
|
|
3296 */
|
|
|
3297 if (backup != NULL)
|
|
|
3298 {
|
|
|
3299 /* remove old backup, if present */
|
|
|
3300 mch_remove(backup);
|
|
|
3301 /* Open with O_EXCL to avoid the file being created while
|
|
|
3302 * we were sleeping (symlink hacker attack?) */
|
|
|
3303 bfd = mch_open((char *)backup,
|
|
|
3304 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL, 0666);
|
|
|
3305 if (bfd < 0)
|
|
|
3306 {
|
|
|
3307 vim_free(backup);
|
|
|
3308 backup = NULL;
|
|
|
3309 }
|
|
|
3310 else
|
|
|
3311 {
|
|
|
3312 /* set file protection same as original file, but
|
|
|
3313 * strip s-bit */
|
|
|
3314 (void)mch_setperm(backup, perm & 0777);
|
|
|
3315
|
|
|
3316 #ifdef UNIX
|
|
|
3317 /*
|
|
|
3318 * Try to set the group of the backup same as the
|
|
|
3319 * original file. If this fails, set the protection
|
|
|
3320 * bits for the group same as the protection bits for
|
|
|
3321 * others.
|
|
|
3322 */
|
|
|
3323 if (st_new.st_gid != st_old.st_gid &&
|
|
|
3324 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */
|
|
|
3325 fchown(bfd, (uid_t)-1, st_old.st_gid) != 0
|
|
|
3326 # else
|
|
|
3327 chown((char *)backup, (uid_t)-1, st_old.st_gid) != 0
|
|
|
3328 # endif
|
|
|
3329 )
|
|
|
3330 mch_setperm(backup,
|
|
|
3331 (perm & 0707) | ((perm & 07) << 3));
|
|
|
3332 #endif
|
|
|
3333
|
|
|
3334 /*
|
|
|
3335 * copy the file.
|
|
|
3336 */
|
|
|
3337 write_info.bw_fd = bfd;
|
|
|
3338 write_info.bw_buf = copybuf;
|
|
|
3339 #ifdef HAS_BW_FLAGS
|
|
|
3340 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
3341 #endif
|
|
|
3342 while ((write_info.bw_len = vim_read(fd, copybuf,
|
|
|
3343 BUFSIZE)) > 0)
|
|
|
3344 {
|
|
|
3345 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3346 {
|
|
|
3347 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)");
|
|
|
3348 break;
|
|
|
3349 }
|
|
|
3350 ui_breakcheck();
|
|
|
3351 if (got_int)
|
|
|
3352 {
|
|
|
3353 errmsg = (char_u *)_(e_interr);
|
|
|
3354 break;
|
|
|
3355 }
|
|
|
3356 }
|
|
|
3357
|
|
|
3358 if (close(bfd) < 0 && errmsg == NULL)
|
|
|
3359 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)");
|
|
|
3360 if (write_info.bw_len < 0)
|
|
|
3361 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)");
|
|
|
3362 #ifdef UNIX
|
|
|
3363 set_file_time(backup, st_old.st_atime, st_old.st_mtime);
|
|
|
3364 #endif
|
|
|
3365 #ifdef HAVE_ACL
|
|
|
3366 mch_set_acl(backup, acl);
|
|
|
3367 #endif
|
|
|
3368 break;
|
|
|
3369 }
|
|
|
3370 }
|
|
|
3371 }
|
|
|
3372 nobackup:
|
|
|
3373 close(fd); /* ignore errors for closing read file */
|
|
|
3374 vim_free(copybuf);
|
|
|
3375
|
|
|
3376 if (backup == NULL && errmsg == NULL)
|
|
|
3377 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)");
|
|
|
3378 /* ignore errors when forceit is TRUE */
|
|
|
3379 if ((some_error || errmsg != NULL) && !forceit)
|
|
|
3380 {
|
|
|
3381 retval = FAIL;
|
|
|
3382 goto fail;
|
|
|
3383 }
|
|
|
3384 errmsg = NULL;
|
|
|
3385 }
|
|
|
3386 else
|
|
|
3387 {
|
|
|
3388 char_u *dirp;
|
|
|
3389 char_u *p;
|
|
|
3390 char_u *rootname;
|
|
|
3391
|
|
|
3392 /*
|
|
|
3393 * Make a backup by renaming the original file.
|
|
|
3394 */
|
|
|
3395 /*
|
|
|
3396 * If 'cpoptions' includes the "W" flag, we don't want to
|
|
|
3397 * overwrite a read-only file. But rename may be possible
|
|
|
3398 * anyway, thus we need an extra check here.
|
|
|
3399 */
|
|
|
3400 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL)
|
|
|
3401 {
|
|
|
3402 errnum = (char_u *)"E504: ";
|
|
|
3403 errmsg = (char_u *)_(err_readonly);
|
|
|
3404 goto fail;
|
|
|
3405 }
|
|
|
3406
|
|
|
3407 /*
|
|
|
3408 *
|
|
|
3409 * Form the backup file name - change path/fo.o.h to
|
|
|
3410 * path/fo.o.h.bak Try all directories in 'backupdir', first one
|
|
|
3411 * that works is used.
|
|
|
3412 */
|
|
|
3413 dirp = p_bdir;
|
|
|
3414 while (*dirp)
|
|
|
3415 {
|
|
|
3416 /*
|
|
|
3417 * Isolate one directory name and make the backup file name.
|
|
|
3418 */
|
|
|
3419 (void)copy_option_part(&dirp, IObuff, IOSIZE, ",");
|
|
|
3420 rootname = get_file_in_dir(fname, IObuff);
|
|
|
3421 if (rootname == NULL)
|
|
|
3422 backup = NULL;
|
|
|
3423 else
|
|
|
3424 {
|
|
|
3425 backup = buf_modname(
|
|
|
3426 #ifdef SHORT_FNAME
|
|
|
3427 TRUE,
|
|
|
3428 #else
|
|
|
3429 (buf->b_p_sn || buf->b_shortname),
|
|
|
3430 #endif
|
|
|
3431 rootname, backup_ext, FALSE);
|
|
|
3432 vim_free(rootname);
|
|
|
3433 }
|
|
|
3434
|
|
|
3435 if (backup != NULL)
|
|
|
3436 {
|
|
|
3437 /*
|
|
|
3438 * If we are not going to keep the backup file, don't
|
|
|
3439 * delete an existing one, try to use another name.
|
|
|
3440 * Change one character, just before the extension.
|
|
|
3441 */
|
|
|
3442 if (!p_bk && mch_getperm(backup) >= 0)
|
|
|
3443 {
|
|
|
3444 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext);
|
|
|
3445 if (p < backup) /* empty file name ??? */
|
|
|
3446 p = backup;
|
|
|
3447 *p = 'z';
|
|
|
3448 while (*p > 'a' && mch_getperm(backup) >= 0)
|
|
|
3449 --*p;
|
|
|
3450 /* They all exist??? Must be something wrong! */
|
|
|
3451 if (*p == 'a')
|
|
|
3452 {
|
|
|
3453 vim_free(backup);
|
|
|
3454 backup = NULL;
|
|
|
3455 }
|
|
|
3456 }
|
|
|
3457 }
|
|
|
3458 if (backup != NULL)
|
|
|
3459 {
|
|
|
3460
|
|
|
3461 /*
|
|
|
3462 * Delete any existing backup and move the current version to
|
|
|
3463 * the backup. For safety, we don't remove the backup until
|
|
|
3464 * the write has finished successfully. And if the 'backup'
|
|
|
3465 * option is set, leave it around.
|
|
|
3466 */
|
|
|
3467 /*
|
|
|
3468 * If the renaming of the original file to the backup file
|
|
|
3469 * works, quit here.
|
|
|
3470 */
|
|
|
3471 if (vim_rename(fname, backup) == 0)
|
|
|
3472 break;
|
|
|
3473
|
|
|
3474 vim_free(backup); /* don't do the rename below */
|
|
|
3475 backup = NULL;
|
|
|
3476 }
|
|
|
3477 }
|
|
|
3478 if (backup == NULL && !forceit)
|
|
|
3479 {
|
|
|
3480 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)");
|
|
|
3481 goto fail;
|
|
|
3482 }
|
|
|
3483 }
|
|
|
3484 }
|
|
|
3485
|
|
|
3486 #if defined(UNIX) && !defined(ARCHIE)
|
|
|
3487 /* When using ":w!" and the file was read-only: make it writable */
|
|
|
3488 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid()
|
|
|
3489 && vim_strchr(p_cpo, CPO_FWRITE) == NULL)
|
|
|
3490 {
|
|
|
3491 perm |= 0200;
|
|
|
3492 (void)mch_setperm(fname, perm);
|
|
|
3493 made_writable = TRUE;
|
|
|
3494 }
|
|
|
3495 #endif
|
|
|
3496
|
|
|
3497 /* When using ":w!" and writing to the current file, readonly makes no
|
|
|
3498 * sense, reset it */
|
|
|
3499 if (forceit && overwriting)
|
|
|
3500 {
|
|
|
3501 buf->b_p_ro = FALSE;
|
|
|
3502 #ifdef FEAT_TITLE
|
|
|
3503 need_maketitle = TRUE; /* set window title later */
|
|
|
3504 #endif
|
|
|
3505 #ifdef FEAT_WINDOWS
|
|
|
3506 status_redraw_all(); /* redraw status lines later */
|
|
|
3507 #endif
|
|
|
3508 }
|
|
|
3509
|
|
|
3510 if (end > buf->b_ml.ml_line_count)
|
|
|
3511 end = buf->b_ml.ml_line_count;
|
|
|
3512 if (buf->b_ml.ml_flags & ML_EMPTY)
|
|
|
3513 start = end + 1;
|
|
|
3514
|
|
|
3515 /*
|
|
|
3516 * If the original file is being overwritten, there is a small chance that
|
|
|
3517 * we crash in the middle of writing. Therefore the file is preserved now.
|
|
|
3518 * This makes all block numbers positive so that recovery does not need
|
|
|
3519 * the original file.
|
|
|
3520 * Don't do this if there is a backup file and we are exiting.
|
|
|
3521 */
|
|
|
3522 if (reset_changed && !newfile && !otherfile(ffname)
|
|
|
3523 && !(exiting && backup != NULL))
|
|
|
3524 {
|
|
|
3525 ml_preserve(buf, FALSE);
|
|
|
3526 if (got_int)
|
|
|
3527 {
|
|
|
3528 errmsg = (char_u *)_(e_interr);
|
|
|
3529 goto restore_backup;
|
|
|
3530 }
|
|
|
3531 }
|
|
|
3532
|
|
|
3533 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
3534 /*
|
|
|
3535 * Before risking to lose the original file verify if there's
|
|
|
3536 * a resource fork to preserve, and if cannot be done warn
|
|
|
3537 * the users. This happens when overwriting without backups.
|
|
|
3538 */
|
|
|
3539 if (backup == NULL && overwriting && !append)
|
|
|
3540 if (mch_has_resource_fork(fname))
|
|
|
3541 {
|
|
|
3542 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)");
|
|
|
3543 goto restore_backup;
|
|
|
3544 }
|
|
|
3545 #endif
|
|
|
3546
|
|
|
3547 #ifdef VMS
|
|
|
3548 vms_remove_version(fname); /* remove version */
|
|
|
3549 #endif
|
|
|
3550 /* Default: write the the file directly. May write to a temp file for
|
|
|
3551 * multi-byte conversion. */
|
|
|
3552 wfname = fname;
|
|
|
3553
|
|
|
3554 #ifdef FEAT_MBYTE
|
|
|
3555 /* Check for forced 'fileencoding' from "++opt=val" argument. */
|
|
|
3556 if (eap != NULL && eap->force_enc != 0)
|
|
|
3557 {
|
|
|
3558 fenc = eap->cmd + eap->force_enc;
|
|
|
3559 fenc = enc_canonize(fenc);
|
|
|
3560 fenc_tofree = fenc;
|
|
|
3561 }
|
|
|
3562 else
|
|
|
3563 fenc = buf->b_p_fenc;
|
|
|
3564
|
|
|
3565 /*
|
|
|
3566 * The file needs to be converted when 'fileencoding' is set and
|
|
|
3567 * 'fileencoding' differs from 'encoding'.
|
|
|
3568 */
|
|
|
3569 converted = (*fenc != NUL && !same_encoding(p_enc, fenc));
|
|
|
3570
|
|
|
3571 /*
|
|
|
3572 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or
|
|
|
3573 * Latin1 to Unicode conversion. This is handled in buf_write_bytes().
|
|
|
3574 * Prepare the flags for it and allocate bw_conv_buf when needed.
|
|
|
3575 */
|
|
|
3576 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0))
|
|
|
3577 {
|
|
|
3578 wb_flags = get_fio_flags(fenc);
|
|
|
3579 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8))
|
|
|
3580 {
|
|
|
3581 /* Need to allocate a buffer to translate into. */
|
|
|
3582 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8))
|
|
|
3583 write_info.bw_conv_buflen = bufsize * 2;
|
|
|
3584 else /* FIO_UCS4 */
|
|
|
3585 write_info.bw_conv_buflen = bufsize * 4;
|
|
|
3586 write_info.bw_conv_buf
|
|
|
3587 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3588 if (write_info.bw_conv_buf == NULL)
|
|
|
3589 end = 0;
|
|
|
3590 }
|
|
|
3591 }
|
|
|
3592
|
|
|
3593 # ifdef WIN3264
|
|
|
3594 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0)
|
|
|
3595 {
|
|
|
3596 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */
|
|
|
3597 write_info.bw_conv_buflen = bufsize * 4;
|
|
|
3598 write_info.bw_conv_buf
|
|
|
3599 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3600 if (write_info.bw_conv_buf == NULL)
|
|
|
3601 end = 0;
|
|
|
3602 }
|
|
|
3603 # endif
|
|
|
3604
|
|
|
3605 # ifdef MACOS_X
|
|
|
3606 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0)
|
|
|
3607 {
|
|
|
3608 write_info.bw_conv_buflen = bufsize * 3;
|
|
|
3609 write_info.bw_conv_buf
|
|
|
3610 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3611 if (write_info.bw_conv_buf == NULL)
|
|
|
3612 end = 0;
|
|
|
3613 }
|
|
|
3614 # endif
|
|
|
3615
|
|
|
3616 # if defined(FEAT_EVAL) || defined(USE_ICONV)
|
|
|
3617 if (converted && wb_flags == 0)
|
|
|
3618 {
|
|
|
3619 # ifdef USE_ICONV
|
|
|
3620 /*
|
|
|
3621 * Use iconv() conversion when conversion is needed and it's not done
|
|
|
3622 * internally.
|
|
|
3623 */
|
|
|
3624 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc,
|
|
|
3625 enc_utf8 ? (char_u *)"utf-8" : p_enc);
|
|
|
3626 if (write_info.bw_iconv_fd != (iconv_t)-1)
|
|
|
3627 {
|
|
|
3628 /* We're going to use iconv(), allocate a buffer to convert in. */
|
|
|
3629 write_info.bw_conv_buflen = bufsize * ICONV_MULT;
|
|
|
3630 write_info.bw_conv_buf
|
|
|
3631 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3632 if (write_info.bw_conv_buf == NULL)
|
|
|
3633 end = 0;
|
|
|
3634 write_info.bw_first = TRUE;
|
|
|
3635 }
|
|
|
3636 # ifdef FEAT_EVAL
|
|
|
3637 else
|
|
|
3638 # endif
|
|
|
3639 # endif
|
|
|
3640
|
|
|
3641 # ifdef FEAT_EVAL
|
|
|
3642 /*
|
|
|
3643 * When the file needs to be converted with 'charconvert' after
|
|
|
3644 * writing, write to a temp file instead and let the conversion
|
|
|
3645 * overwrite the original file.
|
|
|
3646 */
|
|
|
3647 if (*p_ccv != NUL)
|
|
|
3648 {
|
|
|
3649 wfname = vim_tempname('w');
|
|
|
3650 if (wfname == NULL) /* Can't write without a tempfile! */
|
|
|
3651 {
|
|
|
3652 errmsg = (char_u *)_("E214: Can't find temp file for writing");
|
|
|
3653 goto restore_backup;
|
|
|
3654 }
|
|
|
3655 }
|
|
|
3656 # endif
|
|
|
3657 }
|
|
|
3658 # endif
|
|
|
3659 if (converted && wb_flags == 0
|
|
|
3660 # ifdef USE_ICONV
|
|
|
3661 && write_info.bw_iconv_fd == (iconv_t)-1
|
|
|
3662 # endif
|
|
|
3663 # ifdef FEAT_EVAL
|
|
|
3664 && wfname == fname
|
|
|
3665 # endif
|
|
|
3666 )
|
|
|
3667 {
|
|
|
3668 if (!forceit)
|
|
|
3669 {
|
|
|
3670 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)");
|
|
|
3671 goto restore_backup;
|
|
|
3672 }
|
|
|
3673 notconverted = TRUE;
|
|
|
3674 }
|
|
|
3675 #endif
|
|
|
3676
|
|
|
3677 /*
|
|
|
3678 * Open the file "wfname" for writing.
|
|
|
3679 * We may try to open the file twice: If we can't write to the
|
|
|
3680 * file and forceit is TRUE we delete the existing file and try to create
|
|
|
3681 * a new one. If this still fails we may have lost the original file!
|
|
|
3682 * (this may happen when the user reached his quotum for number of files).
|
|
|
3683 * Appending will fail if the file does not exist and forceit is FALSE.
|
|
|
3684 */
|
|
|
3685 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append
|
|
|
3686 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND)
|
|
|
3687 : (O_CREAT | O_TRUNC))
|
|
|
3688 , 0666)) < 0)
|
|
|
3689 {
|
|
|
3690 /*
|
|
|
3691 * A forced write will try to create a new file if the old one is
|
|
|
3692 * still readonly. This may also happen when the directory is
|
|
|
3693 * read-only. In that case the mch_remove() will fail.
|
|
|
3694 */
|
|
|
3695 if (errmsg == NULL)
|
|
|
3696 {
|
|
|
3697 #ifdef UNIX
|
|
|
3698 struct stat st;
|
|
|
3699
|
|
|
3700 /* Don't delete the file when it's a hard or symbolic link. */
|
|
|
3701 if ((!newfile && st_old.st_nlink > 1)
|
|
|
3702 || (mch_lstat((char *)fname, &st) == 0
|
|
|
3703 && (st.st_dev != st_old.st_dev
|
|
|
3704 || st.st_ino != st_old.st_ino)))
|
|
|
3705 errmsg = (char_u *)_("E166: Can't open linked file for writing");
|
|
|
3706 else
|
|
|
3707 #endif
|
|
|
3708 {
|
|
|
3709 errmsg = (char_u *)_("E212: Can't open file for writing");
|
|
|
3710 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL
|
|
|
3711 && perm >= 0)
|
|
|
3712 {
|
|
|
3713 #ifdef UNIX
|
|
|
3714 /* we write to the file, thus it should be marked
|
|
|
3715 writable after all */
|
|
|
3716 if (!(perm & 0200))
|
|
|
3717 made_writable = TRUE;
|
|
|
3718 perm |= 0200;
|
|
|
3719 if (st_old.st_uid != getuid() || st_old.st_gid != getgid())
|
|
|
3720 perm &= 0777;
|
|
|
3721 #endif
|
|
|
3722 if (!append) /* don't remove when appending */
|
|
|
3723 mch_remove(wfname);
|
|
|
3724 continue;
|
|
|
3725 }
|
|
|
3726 }
|
|
|
3727 }
|
|
|
3728
|
|
|
3729 restore_backup:
|
|
|
3730 {
|
|
|
3731 struct stat st;
|
|
|
3732
|
|
|
3733 /*
|
|
|
3734 * If we failed to open the file, we don't need a backup. Throw it
|
|
|
3735 * away. If we moved or removed the original file try to put the
|
|
|
3736 * backup in its place.
|
|
|
3737 */
|
|
|
3738 if (backup != NULL && wfname == fname)
|
|
|
3739 {
|
|
|
3740 if (backup_copy)
|
|
|
3741 {
|
|
|
3742 /*
|
|
|
3743 * There is a small chance that we removed the original,
|
|
|
3744 * try to move the copy in its place.
|
|
|
3745 * This may not work if the vim_rename() fails.
|
|
|
3746 * In that case we leave the copy around.
|
|
|
3747 */
|
|
|
3748 /* If file does not exist, put the copy in its place */
|
|
|
3749 if (mch_stat((char *)fname, &st) < 0)
|
|
|
3750 vim_rename(backup, fname);
|
|
|
3751 /* if original file does exist throw away the copy */
|
|
|
3752 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
3753 mch_remove(backup);
|
|
|
3754 }
|
|
|
3755 else
|
|
|
3756 {
|
|
|
3757 /* try to put the original file back */
|
|
|
3758 vim_rename(backup, fname);
|
|
|
3759 }
|
|
|
3760 }
|
|
|
3761
|
|
|
3762 /* if original file no longer exists give an extra warning */
|
|
|
3763 if (!newfile && mch_stat((char *)fname, &st) < 0)
|
|
|
3764 end = 0;
|
|
|
3765 }
|
|
|
3766
|
|
|
3767 #ifdef FEAT_MBYTE
|
|
|
3768 if (wfname != fname)
|
|
|
3769 vim_free(wfname);
|
|
|
3770 #endif
|
|
|
3771 goto fail;
|
|
|
3772 }
|
|
|
3773 errmsg = NULL;
|
|
|
3774
|
|
|
3775 #if defined(MACOS_CLASSIC) || defined(WIN3264)
|
|
|
3776 /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
3777 /*
|
|
|
3778 * On macintosh copy the original files attributes (i.e. the backup)
|
|
|
3779 * This is done in order to preserve the ressource fork and the
|
|
|
3780 * Finder attribute (label, comments, custom icons, file creatore)
|
|
|
3781 */
|
|
|
3782 if (backup != NULL && overwriting && !append)
|
|
|
3783 {
|
|
|
3784 if (backup_copy)
|
|
|
3785 (void)mch_copy_file_attribute(wfname, backup);
|
|
|
3786 else
|
|
|
3787 (void)mch_copy_file_attribute(backup, wfname);
|
|
|
3788 }
|
|
|
3789
|
|
|
3790 if (!overwriting && !append)
|
|
|
3791 {
|
|
|
3792 if (buf->b_ffname != NULL)
|
|
|
3793 (void)mch_copy_file_attribute(buf->b_ffname, wfname);
|
|
|
3794 /* Should copy ressource fork */
|
|
|
3795 }
|
|
|
3796 #endif
|
|
|
3797
|
|
|
3798 write_info.bw_fd = fd;
|
|
|
3799
|
|
|
3800 #ifdef FEAT_CRYPT
|
|
|
3801 if (*buf->b_p_key && !filtering)
|
|
|
3802 {
|
|
|
3803 crypt_init_keys(buf->b_p_key);
|
|
|
3804 /* Write magic number, so that Vim knows that this file is encrypted
|
|
|
3805 * when reading it again. This also undergoes utf-8 to ucs-2/4
|
|
|
3806 * conversion when needed. */
|
|
|
3807 write_info.bw_buf = (char_u *)CRYPT_MAGIC;
|
|
|
3808 write_info.bw_len = CRYPT_MAGIC_LEN;
|
|
|
3809 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
3810 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3811 end = 0;
|
|
|
3812 wb_flags |= FIO_ENCRYPTED;
|
|
|
3813 }
|
|
|
3814 #endif
|
|
|
3815
|
|
|
3816 write_info.bw_buf = buffer;
|
|
|
3817 nchars = 0;
|
|
|
3818
|
|
|
3819 /* use "++bin", "++nobin" or 'binary' */
|
|
|
3820 if (eap != NULL && eap->force_bin != 0)
|
|
|
3821 write_bin = (eap->force_bin == FORCE_BIN);
|
|
|
3822 else
|
|
|
3823 write_bin = buf->b_p_bin;
|
|
|
3824
|
|
|
3825 #ifdef FEAT_MBYTE
|
|
|
3826 /*
|
|
|
3827 * The BOM is written just after the encryption magic number.
|
|
|
3828 */
|
|
|
3829 if (buf->b_p_bomb && !write_bin)
|
|
|
3830 {
|
|
|
3831 write_info.bw_len = make_bom(buffer, fenc);
|
|
|
3832 if (write_info.bw_len > 0)
|
|
|
3833 {
|
|
|
3834 /* don't convert, do encryption */
|
|
|
3835 write_info.bw_flags = FIO_NOCONVERT | wb_flags;
|
|
|
3836 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3837 end = 0;
|
|
|
3838 else
|
|
|
3839 nchars += write_info.bw_len;
|
|
|
3840 }
|
|
|
3841 }
|
|
|
3842 #endif
|
|
|
3843
|
|
|
3844 write_info.bw_len = bufsize;
|
|
|
3845 #ifdef HAS_BW_FLAGS
|
|
|
3846 write_info.bw_flags = wb_flags;
|
|
|
3847 #endif
|
|
|
3848 fileformat = get_fileformat_force(buf, eap);
|
|
|
3849 s = buffer;
|
|
|
3850 len = 0;
|
|
|
3851 for (lnum = start; lnum <= end; ++lnum)
|
|
|
3852 {
|
|
|
3853 /*
|
|
|
3854 * The next while loop is done once for each character written.
|
|
|
3855 * Keep it fast!
|
|
|
3856 */
|
|
|
3857 ptr = ml_get_buf(buf, lnum, FALSE) - 1;
|
|
|
3858 while ((c = *++ptr) != NUL)
|
|
|
3859 {
|
|
|
3860 if (c == NL)
|
|
|
3861 *s = NUL; /* replace newlines with NULs */
|
|
|
3862 else if (c == CAR && fileformat == EOL_MAC)
|
|
|
3863 *s = NL; /* Mac: replace CRs with NLs */
|
|
|
3864 else
|
|
|
3865 *s = c;
|
|
|
3866 ++s;
|
|
|
3867 if (++len != bufsize)
|
|
|
3868 continue;
|
|
|
3869 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3870 {
|
|
|
3871 end = 0; /* write error: break loop */
|
|
|
3872 break;
|
|
|
3873 }
|
|
|
3874 nchars += bufsize;
|
|
|
3875 s = buffer;
|
|
|
3876 len = 0;
|
|
|
3877 }
|
|
|
3878 /* write failed or last line has no EOL: stop here */
|
|
|
3879 if (end == 0
|
|
|
3880 || (lnum == end
|
|
|
3881 && write_bin
|
|
|
3882 && (lnum == write_no_eol_lnum
|
|
|
3883 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol))))
|
|
|
3884 {
|
|
|
3885 ++lnum; /* written the line, count it */
|
|
|
3886 no_eol = TRUE;
|
|
|
3887 break;
|
|
|
3888 }
|
|
|
3889 if (fileformat == EOL_UNIX)
|
|
|
3890 *s++ = NL;
|
|
|
3891 else
|
|
|
3892 {
|
|
|
3893 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */
|
|
|
3894 if (fileformat == EOL_DOS) /* write CR-NL */
|
|
|
3895 {
|
|
|
3896 if (++len == bufsize)
|
|
|
3897 {
|
|
|
3898 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3899 {
|
|
|
3900 end = 0; /* write error: break loop */
|
|
|
3901 break;
|
|
|
3902 }
|
|
|
3903 nchars += bufsize;
|
|
|
3904 s = buffer;
|
|
|
3905 len = 0;
|
|
|
3906 }
|
|
|
3907 *s++ = NL;
|
|
|
3908 }
|
|
|
3909 }
|
|
|
3910 if (++len == bufsize && end)
|
|
|
3911 {
|
|
|
3912 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3913 {
|
|
|
3914 end = 0; /* write error: break loop */
|
|
|
3915 break;
|
|
|
3916 }
|
|
|
3917 nchars += bufsize;
|
|
|
3918 s = buffer;
|
|
|
3919 len = 0;
|
|
|
3920
|
|
|
3921 ui_breakcheck();
|
|
|
3922 if (got_int)
|
|
|
3923 {
|
|
|
3924 end = 0; /* Interrupted, break loop */
|
|
|
3925 break;
|
|
|
3926 }
|
|
|
3927 }
|
|
|
3928 #ifdef VMS
|
|
|
3929 /*
|
|
|
3930 * On VMS there is a problem: newlines get added when writing blocks
|
|
|
3931 * at a time. Fix it by writing a line at a time.
|
|
|
3932 * This is much slower!
|
|
|
3933 * Explanation: Vim can not handle, so far, variable record format.
|
|
|
3934 * With $analize/rms filename you can get the rms file structure, and
|
|
|
3935 * if the Record format filed is variable, CR will be added after
|
|
|
3936 * every written buffer. In other cases it works without this fix.
|
|
|
3937 * From other side read is about 5 times slower for "variable record
|
|
|
3938 * format" files.
|
|
|
3939 */
|
|
|
3940 if (buf->b_fab_rfm == FAB$C_VAR)
|
|
|
3941 {
|
|
|
3942 write_info.bw_len = len;
|
|
|
3943 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3944 {
|
|
|
3945 end = 0; /* write error: break loop */
|
|
|
3946 break;
|
|
|
3947 }
|
|
|
3948 write_info.bw_len = bufsize;
|
|
|
3949 nchars += len;
|
|
|
3950 s = buffer;
|
|
|
3951 len = 0;
|
|
|
3952 }
|
|
|
3953 #endif
|
|
|
3954 }
|
|
|
3955 if (len > 0 && end > 0)
|
|
|
3956 {
|
|
|
3957 write_info.bw_len = len;
|
|
|
3958 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3959 end = 0; /* write error */
|
|
|
3960 nchars += len;
|
|
|
3961 }
|
|
|
3962
|
|
|
3963 #if defined(UNIX) && defined(HAVE_FSYNC)
|
|
|
3964 /* On many journalling file systems there is a bug that causes both the
|
|
|
3965 * original and the backup file to be lost when halting the system right
|
|
|
3966 * after writing the file. That's because only the meta-data is
|
|
|
3967 * journalled. Syncing the file slows down the system, but assures it has
|
|
10
|
3968 * been written to disk and we don't lose it.
|
|
|
3969 * For a device do try the fsync() but don't complain if it does not work
|
|
|
3970 * (could be a pipe). */
|
|
|
3971 if (fsync(fd) != 0 && !device)
|
|
7
|
3972 {
|
|
|
3973 errmsg = (char_u *)_("E667: Fsync failed");
|
|
|
3974 end = 0;
|
|
|
3975 }
|
|
|
3976 #endif
|
|
|
3977
|
|
|
3978 if (close(fd) != 0)
|
|
|
3979 {
|
|
|
3980 errmsg = (char_u *)_("E512: Close failed");
|
|
|
3981 end = 0;
|
|
|
3982 }
|
|
|
3983
|
|
|
3984 #ifdef UNIX
|
|
|
3985 if (made_writable)
|
|
|
3986 perm &= ~0200; /* reset 'w' bit for security reasons */
|
|
|
3987 #endif
|
|
|
3988 if (perm >= 0) /* set perm. of new file same as old file */
|
|
|
3989 (void)mch_setperm(wfname, perm);
|
|
|
3990 #ifdef RISCOS
|
|
|
3991 if (!append && !filtering)
|
|
|
3992 /* Set the filetype after writing the file. */
|
|
|
3993 mch_set_filetype(wfname, buf->b_p_oft);
|
|
|
3994 #endif
|
|
|
3995 #ifdef HAVE_ACL
|
|
|
3996 /* Probably need to set the ACL before changing the user (can't set the
|
|
|
3997 * ACL on a file the user doesn't own). */
|
|
|
3998 if (!backup_copy)
|
|
|
3999 mch_set_acl(wfname, acl);
|
|
|
4000 #endif
|
|
|
4001
|
|
|
4002 #ifdef UNIX
|
|
|
4003 /* When creating a new file, set its owner/group to that of the original
|
|
|
4004 * file. Get the new device and inode number. */
|
|
|
4005 if (backup != NULL && !backup_copy)
|
|
|
4006 {
|
|
|
4007 struct stat st;
|
|
|
4008
|
|
|
4009 /* don't change the owner when it's already OK, some systems remove
|
|
|
4010 * permission or ACL stuff */
|
|
|
4011 if (mch_stat((char *)wfname, &st) < 0
|
|
|
4012 || st.st_uid != st_old.st_uid
|
|
|
4013 || st.st_gid != st_old.st_gid)
|
|
|
4014 {
|
|
|
4015 chown((char *)wfname, st_old.st_uid, st_old.st_gid);
|
|
|
4016 if (perm >= 0) /* set permission again, may have changed */
|
|
|
4017 (void)mch_setperm(wfname, perm);
|
|
|
4018 }
|
|
|
4019 buf_setino(buf);
|
|
|
4020 }
|
|
|
4021 #endif
|
|
|
4022
|
|
|
4023
|
|
|
4024 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL)
|
|
|
4025 if (wfname != fname)
|
|
|
4026 {
|
|
|
4027 /*
|
|
|
4028 * The file was written to a temp file, now it needs to be converted
|
|
|
4029 * with 'charconvert' to (overwrite) the output file.
|
|
|
4030 */
|
|
|
4031 if (end != 0)
|
|
|
4032 {
|
|
|
4033 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc,
|
|
|
4034 wfname, fname) == FAIL)
|
|
|
4035 {
|
|
|
4036 write_info.bw_conv_error = TRUE;
|
|
|
4037 end = 0;
|
|
|
4038 }
|
|
|
4039 }
|
|
|
4040 mch_remove(wfname);
|
|
|
4041 vim_free(wfname);
|
|
|
4042 }
|
|
|
4043 #endif
|
|
|
4044
|
|
|
4045 if (end == 0)
|
|
|
4046 {
|
|
|
4047 if (errmsg == NULL)
|
|
|
4048 {
|
|
|
4049 #ifdef FEAT_MBYTE
|
|
|
4050 if (write_info.bw_conv_error)
|
|
|
4051 errmsg = (char_u *)_("E513: write error, conversion failed");
|
|
|
4052 else
|
|
|
4053 #endif
|
|
|
4054 if (got_int)
|
|
|
4055 errmsg = (char_u *)_(e_interr);
|
|
|
4056 else
|
|
|
4057 errmsg = (char_u *)_("E514: write error (file system full?)");
|
|
|
4058 }
|
|
|
4059
|
|
|
4060 /*
|
|
|
4061 * If we have a backup file, try to put it in place of the new file,
|
|
|
4062 * because the new file is probably corrupt. This avoids loosing the
|
|
|
4063 * original file when trying to make a backup when writing the file a
|
|
|
4064 * second time.
|
|
|
4065 * When "backup_copy" is set we need to copy the backup over the new
|
|
|
4066 * file. Otherwise rename the backup file.
|
|
|
4067 * If this is OK, don't give the extra warning message.
|
|
|
4068 */
|
|
|
4069 if (backup != NULL)
|
|
|
4070 {
|
|
|
4071 if (backup_copy)
|
|
|
4072 {
|
|
|
4073 /* This may take a while, if we were interrupted let the user
|
|
|
4074 * know we got the message. */
|
|
|
4075 if (got_int)
|
|
|
4076 {
|
|
|
4077 MSG(_(e_interr));
|
|
|
4078 out_flush();
|
|
|
4079 }
|
|
|
4080 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0)
|
|
|
4081 {
|
|
|
4082 if ((write_info.bw_fd = mch_open((char *)fname,
|
|
|
4083 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA, 0666)) >= 0)
|
|
|
4084 {
|
|
|
4085 /* copy the file. */
|
|
|
4086 write_info.bw_buf = smallbuf;
|
|
|
4087 #ifdef HAS_BW_FLAGS
|
|
|
4088 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
4089 #endif
|
|
|
4090 while ((write_info.bw_len = vim_read(fd, smallbuf,
|
|
|
4091 SMBUFSIZE)) > 0)
|
|
|
4092 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
4093 break;
|
|
|
4094
|
|
|
4095 if (close(write_info.bw_fd) >= 0
|
|
|
4096 && write_info.bw_len == 0)
|
|
|
4097 end = 1; /* success */
|
|
|
4098 }
|
|
|
4099 close(fd); /* ignore errors for closing read file */
|
|
|
4100 }
|
|
|
4101 }
|
|
|
4102 else
|
|
|
4103 {
|
|
|
4104 if (vim_rename(backup, fname) == 0)
|
|
|
4105 end = 1;
|
|
|
4106 }
|
|
|
4107 }
|
|
|
4108 goto fail;
|
|
|
4109 }
|
|
|
4110
|
|
|
4111 lnum -= start; /* compute number of written lines */
|
|
|
4112 --no_wait_return; /* may wait for return now */
|
|
|
4113
|
|
|
4114 #if !(defined(UNIX) || defined(VMS))
|
|
|
4115 fname = sfname; /* use shortname now, for the messages */
|
|
|
4116 #endif
|
|
|
4117 if (!filtering)
|
|
|
4118 {
|
|
|
4119 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */
|
|
|
4120 c = FALSE;
|
|
|
4121 #ifdef FEAT_MBYTE
|
|
|
4122 if (write_info.bw_conv_error)
|
|
|
4123 {
|
|
|
4124 STRCAT(IObuff, _(" CONVERSION ERROR"));
|
|
|
4125 c = TRUE;
|
|
|
4126 }
|
|
|
4127 else if (notconverted)
|
|
|
4128 {
|
|
|
4129 STRCAT(IObuff, _("[NOT converted]"));
|
|
|
4130 c = TRUE;
|
|
|
4131 }
|
|
|
4132 else if (converted)
|
|
|
4133 {
|
|
|
4134 STRCAT(IObuff, _("[converted]"));
|
|
|
4135 c = TRUE;
|
|
|
4136 }
|
|
|
4137 #endif
|
|
|
4138 if (device)
|
|
|
4139 {
|
|
|
4140 STRCAT(IObuff, _("[Device]"));
|
|
|
4141 c = TRUE;
|
|
|
4142 }
|
|
|
4143 else if (newfile)
|
|
|
4144 {
|
|
|
4145 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]"));
|
|
|
4146 c = TRUE;
|
|
|
4147 }
|
|
|
4148 if (no_eol)
|
|
|
4149 {
|
|
|
4150 msg_add_eol();
|
|
|
4151 c = TRUE;
|
|
|
4152 }
|
|
|
4153 /* may add [unix/dos/mac] */
|
|
|
4154 if (msg_add_fileformat(fileformat))
|
|
|
4155 c = TRUE;
|
|
|
4156 #ifdef FEAT_CRYPT
|
|
|
4157 if (wb_flags & FIO_ENCRYPTED)
|
|
|
4158 {
|
|
|
4159 STRCAT(IObuff, _("[crypted]"));
|
|
|
4160 c = TRUE;
|
|
|
4161 }
|
|
|
4162 #endif
|
|
|
4163 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */
|
|
|
4164 if (!shortmess(SHM_WRITE))
|
|
|
4165 {
|
|
|
4166 if (append)
|
|
|
4167 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended"));
|
|
|
4168 else
|
|
|
4169 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written"));
|
|
|
4170 }
|
|
|
4171
|
|
|
4172 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0));
|
|
|
4173 keep_msg_attr = 0;
|
|
|
4174 }
|
|
|
4175
|
|
|
4176 if (reset_changed && whole
|
|
|
4177 #ifdef FEAT_MBYTE
|
|
|
4178 && !write_info.bw_conv_error
|
|
|
4179 #endif
|
|
|
4180 ) /* when written everything correctly */
|
|
|
4181 {
|
|
|
4182 unchanged(buf, TRUE);
|
|
|
4183 u_unchanged(buf);
|
|
|
4184 }
|
|
|
4185
|
|
|
4186 /*
|
|
|
4187 * If written to the current file, update the timestamp of the swap file
|
|
|
4188 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime.
|
|
|
4189 */
|
|
|
4190 if (overwriting)
|
|
|
4191 {
|
|
|
4192 ml_timestamp(buf);
|
|
|
4193 buf->b_flags &= ~BF_WRITE_MASK;
|
|
|
4194 }
|
|
|
4195
|
|
|
4196 /*
|
|
|
4197 * If we kept a backup until now, and we are in patch mode, then we make
|
|
|
4198 * the backup file our 'original' file.
|
|
|
4199 */
|
|
|
4200 if (*p_pm && dobackup)
|
|
|
4201 {
|
|
|
4202 char *org = (char *)buf_modname(
|
|
|
4203 #ifdef SHORT_FNAME
|
|
|
4204 TRUE,
|
|
|
4205 #else
|
|
|
4206 (buf->b_p_sn || buf->b_shortname),
|
|
|
4207 #endif
|
|
|
4208 fname, p_pm, FALSE);
|
|
|
4209
|
|
|
4210 if (backup != NULL)
|
|
|
4211 {
|
|
|
4212 struct stat st;
|
|
|
4213
|
|
|
4214 /*
|
|
|
4215 * If the original file does not exist yet
|
|
|
4216 * the current backup file becomes the original file
|
|
|
4217 */
|
|
|
4218 if (org == NULL)
|
|
|
4219 EMSG(_("E205: Patchmode: can't save original file"));
|
|
|
4220 else if (mch_stat(org, &st) < 0)
|
|
|
4221 {
|
|
|
4222 vim_rename(backup, (char_u *)org);
|
|
|
4223 vim_free(backup); /* don't delete the file */
|
|
|
4224 backup = NULL;
|
|
|
4225 #ifdef UNIX
|
|
|
4226 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime);
|
|
|
4227 #endif
|
|
|
4228 }
|
|
|
4229 }
|
|
|
4230 /*
|
|
|
4231 * If there is no backup file, remember that a (new) file was
|
|
|
4232 * created.
|
|
|
4233 */
|
|
|
4234 else
|
|
|
4235 {
|
|
|
4236 int empty_fd;
|
|
|
4237
|
|
|
4238 if (org == NULL
|
|
|
4239 || (empty_fd = mch_open(org, O_CREAT | O_EXTRA | O_EXCL,
|
|
|
4240 0666)) < 0)
|
|
|
4241 EMSG(_("E206: patchmode: can't touch empty original file"));
|
|
|
4242 else
|
|
|
4243 close(empty_fd);
|
|
|
4244 }
|
|
|
4245 if (org != NULL)
|
|
|
4246 {
|
|
|
4247 mch_setperm((char_u *)org, mch_getperm(fname) & 0777);
|
|
|
4248 vim_free(org);
|
|
|
4249 }
|
|
|
4250 }
|
|
|
4251
|
|
|
4252 /*
|
|
|
4253 * Remove the backup unless 'backup' option is set
|
|
|
4254 */
|
|
|
4255 if (!p_bk && backup != NULL && mch_remove(backup) != 0)
|
|
|
4256 EMSG(_("E207: Can't delete backup file"));
|
|
|
4257
|
|
|
4258 #ifdef FEAT_SUN_WORKSHOP
|
|
|
4259 if (usingSunWorkShop)
|
|
|
4260 workshop_file_saved((char *) ffname);
|
|
|
4261 #endif
|
|
|
4262
|
|
|
4263 goto nofail;
|
|
|
4264
|
|
|
4265 /*
|
|
|
4266 * Finish up. We get here either after failure or success.
|
|
|
4267 */
|
|
|
4268 fail:
|
|
|
4269 --no_wait_return; /* may wait for return now */
|
|
|
4270 nofail:
|
|
|
4271
|
|
|
4272 /* Done saving, we accept changed buffer warnings again */
|
|
|
4273 buf->b_saving = FALSE;
|
|
|
4274
|
|
|
4275 vim_free(backup);
|
|
|
4276 if (buffer != smallbuf)
|
|
|
4277 vim_free(buffer);
|
|
|
4278 #ifdef FEAT_MBYTE
|
|
|
4279 vim_free(fenc_tofree);
|
|
|
4280 vim_free(write_info.bw_conv_buf);
|
|
|
4281 # ifdef USE_ICONV
|
|
|
4282 if (write_info.bw_iconv_fd != (iconv_t)-1)
|
|
|
4283 {
|
|
|
4284 iconv_close(write_info.bw_iconv_fd);
|
|
|
4285 write_info.bw_iconv_fd = (iconv_t)-1;
|
|
|
4286 }
|
|
|
4287 # endif
|
|
|
4288 #endif
|
|
|
4289 #ifdef HAVE_ACL
|
|
|
4290 mch_free_acl(acl);
|
|
|
4291 #endif
|
|
|
4292
|
|
|
4293 if (errmsg != NULL)
|
|
|
4294 {
|
|
|
4295 int numlen = errnum != NULL ? STRLEN(errnum) : 0;
|
|
|
4296
|
|
|
4297 attr = hl_attr(HLF_E); /* set highlight for error messages */
|
|
|
4298 msg_add_fname(buf,
|
|
|
4299 #ifndef UNIX
|
|
|
4300 sfname
|
|
|
4301 #else
|
|
|
4302 fname
|
|
|
4303 #endif
|
|
|
4304 ); /* put file name in IObuff with quotes */
|
|
|
4305 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE)
|
|
|
4306 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL;
|
|
|
4307 /* If the error message has the form "is ...", put the error number in
|
|
|
4308 * front of the file name. */
|
|
|
4309 if (errnum != NULL)
|
|
|
4310 {
|
|
|
4311 mch_memmove(IObuff + numlen, IObuff, STRLEN(IObuff) + 1);
|
|
|
4312 mch_memmove(IObuff, errnum, (size_t)numlen);
|
|
|
4313 }
|
|
|
4314 STRCAT(IObuff, errmsg);
|
|
|
4315 emsg(IObuff);
|
|
|
4316
|
|
|
4317 retval = FAIL;
|
|
|
4318 if (end == 0)
|
|
|
4319 {
|
|
|
4320 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"),
|
|
|
4321 attr | MSG_HIST);
|
|
|
4322 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"),
|
|
|
4323 attr | MSG_HIST);
|
|
|
4324
|
|
|
4325 /* Update the timestamp to avoid an "overwrite changed file"
|
|
|
4326 * prompt when writing again. */
|
|
|
4327 if (mch_stat((char *)fname, &st_old) >= 0)
|
|
|
4328 {
|
|
|
4329 buf_store_time(buf, &st_old, fname);
|
|
|
4330 buf->b_mtime_read = buf->b_mtime;
|
|
|
4331 }
|
|
|
4332 }
|
|
|
4333 }
|
|
|
4334 msg_scroll = msg_save;
|
|
|
4335
|
|
|
4336 #ifdef FEAT_AUTOCMD
|
|
|
4337 #ifdef FEAT_EVAL
|
|
|
4338 if (!should_abort(retval))
|
|
|
4339 #else
|
|
|
4340 if (!got_int)
|
|
|
4341 #endif
|
|
|
4342 {
|
|
|
4343 aco_save_T aco;
|
|
|
4344
|
|
|
4345 write_no_eol_lnum = 0; /* in case it was set by the previous read */
|
|
|
4346
|
|
|
4347 /*
|
|
|
4348 * Apply POST autocommands.
|
|
|
4349 * Careful: The autocommands may call buf_write() recursively!
|
|
|
4350 */
|
|
|
4351 aucmd_prepbuf(&aco, buf);
|
|
|
4352
|
|
|
4353 if (append)
|
|
|
4354 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname,
|
|
|
4355 FALSE, curbuf, eap);
|
|
|
4356 else if (filtering)
|
|
|
4357 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname,
|
|
|
4358 FALSE, curbuf, eap);
|
|
|
4359 else if (reset_changed && whole)
|
|
|
4360 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname,
|
|
|
4361 FALSE, curbuf, eap);
|
|
|
4362 else
|
|
|
4363 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname,
|
|
|
4364 FALSE, curbuf, eap);
|
|
|
4365
|
|
|
4366 /* restore curwin/curbuf and a few other things */
|
|
|
4367 aucmd_restbuf(&aco);
|
|
|
4368
|
|
|
4369 #ifdef FEAT_EVAL
|
|
|
4370 if (aborting()) /* autocmds may abort script processing */
|
|
|
4371 retval = FALSE;
|
|
|
4372 #endif
|
|
|
4373 }
|
|
|
4374 #endif
|
|
|
4375
|
|
|
4376 got_int |= prev_got_int;
|
|
|
4377
|
|
|
4378 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
4379 /* Update machine specific information. */
|
|
|
4380 mch_post_buffer_write(buf);
|
|
|
4381 #endif
|
|
|
4382 return retval;
|
|
|
4383 }
|
|
|
4384
|
|
|
4385 /*
|
|
|
4386 * Put file name into IObuff with quotes.
|
|
|
4387 */
|
|
|
4388 static void
|
|
|
4389 msg_add_fname(buf, fname)
|
|
|
4390 buf_T *buf;
|
|
|
4391 char_u *fname;
|
|
|
4392 {
|
|
|
4393 if (fname == NULL)
|
|
|
4394 fname = (char_u *)"-stdin-";
|
|
|
4395 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE);
|
|
|
4396 IObuff[0] = '"';
|
|
|
4397 STRCAT(IObuff, "\" ");
|
|
|
4398 }
|
|
|
4399
|
|
|
4400 /*
|
|
|
4401 * Append message for text mode to IObuff.
|
|
|
4402 * Return TRUE if something appended.
|
|
|
4403 */
|
|
|
4404 static int
|
|
|
4405 msg_add_fileformat(eol_type)
|
|
|
4406 int eol_type;
|
|
|
4407 {
|
|
|
4408 #ifndef USE_CRNL
|
|
|
4409 if (eol_type == EOL_DOS)
|
|
|
4410 {
|
|
|
4411 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]"));
|
|
|
4412 return TRUE;
|
|
|
4413 }
|
|
|
4414 #endif
|
|
|
4415 #ifndef USE_CR
|
|
|
4416 if (eol_type == EOL_MAC)
|
|
|
4417 {
|
|
|
4418 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]"));
|
|
|
4419 return TRUE;
|
|
|
4420 }
|
|
|
4421 #endif
|
|
|
4422 #if defined(USE_CRNL) || defined(USE_CR)
|
|
|
4423 if (eol_type == EOL_UNIX)
|
|
|
4424 {
|
|
|
4425 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]"));
|
|
|
4426 return TRUE;
|
|
|
4427 }
|
|
|
4428 #endif
|
|
|
4429 return FALSE;
|
|
|
4430 }
|
|
|
4431
|
|
|
4432 /*
|
|
|
4433 * Append line and character count to IObuff.
|
|
|
4434 */
|
|
|
4435 static void
|
|
|
4436 msg_add_lines(insert_space, lnum, nchars)
|
|
|
4437 int insert_space;
|
|
|
4438 long lnum;
|
|
|
4439 long nchars;
|
|
|
4440 {
|
|
|
4441 char_u *p;
|
|
|
4442
|
|
|
4443 p = IObuff + STRLEN(IObuff);
|
|
|
4444
|
|
|
4445 if (insert_space)
|
|
|
4446 *p++ = ' ';
|
|
|
4447 if (shortmess(SHM_LINES))
|
|
|
4448 sprintf((char *)p, "%ldL, %ldC", lnum, nchars);
|
|
|
4449 else
|
|
|
4450 {
|
|
|
4451 if (lnum == 1)
|
|
|
4452 STRCPY(p, _("1 line, "));
|
|
|
4453 else
|
|
|
4454 sprintf((char *)p, _("%ld lines, "), lnum);
|
|
|
4455 p += STRLEN(p);
|
|
|
4456 if (nchars == 1)
|
|
|
4457 STRCPY(p, _("1 character"));
|
|
|
4458 else
|
|
|
4459 sprintf((char *)p, _("%ld characters"), nchars);
|
|
|
4460 }
|
|
|
4461 }
|
|
|
4462
|
|
|
4463 /*
|
|
|
4464 * Append message for missing line separator to IObuff.
|
|
|
4465 */
|
|
|
4466 static void
|
|
|
4467 msg_add_eol()
|
|
|
4468 {
|
|
|
4469 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]"));
|
|
|
4470 }
|
|
|
4471
|
|
|
4472 /*
|
|
|
4473 * Check modification time of file, before writing to it.
|
|
|
4474 * The size isn't checked, because using a tool like "gzip" takes care of
|
|
|
4475 * using the same timestamp but can't set the size.
|
|
|
4476 */
|
|
|
4477 static int
|
|
|
4478 check_mtime(buf, st)
|
|
|
4479 buf_T *buf;
|
|
|
4480 struct stat *st;
|
|
|
4481 {
|
|
|
4482 if (buf->b_mtime_read != 0
|
|
|
4483 && time_differs((long)st->st_mtime, buf->b_mtime_read))
|
|
|
4484 {
|
|
|
4485 msg_scroll = TRUE; /* don't overwrite messages here */
|
|
|
4486 msg_silent = 0; /* must give this prompt */
|
|
|
4487 /* don't use emsg() here, don't want to flush the buffers */
|
|
|
4488 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"),
|
|
|
4489 hl_attr(HLF_E));
|
|
|
4490 if (ask_yesno((char_u *)_("Do you really want to write to it"),
|
|
|
4491 TRUE) == 'n')
|
|
|
4492 return FAIL;
|
|
|
4493 msg_scroll = FALSE; /* always overwrite the file message now */
|
|
|
4494 }
|
|
|
4495 return OK;
|
|
|
4496 }
|
|
|
4497
|
|
|
4498 static int
|
|
|
4499 time_differs(t1, t2)
|
|
|
4500 long t1, t2;
|
|
|
4501 {
|
|
|
4502 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN)
|
|
|
4503 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store
|
|
|
4504 * the seconds. Since the roundoff is done when flushing the inode, the
|
|
|
4505 * time may change unexpectedly by one second!!! */
|
|
|
4506 return (t1 - t2 > 1 || t2 - t1 > 1);
|
|
|
4507 #else
|
|
|
4508 return (t1 != t2);
|
|
|
4509 #endif
|
|
|
4510 }
|
|
|
4511
|
|
|
4512 /*
|
|
|
4513 * Call write() to write a number of bytes to the file.
|
|
|
4514 * Also handles encryption and 'encoding' conversion.
|
|
|
4515 *
|
|
|
4516 * Return FAIL for failure, OK otherwise.
|
|
|
4517 */
|
|
|
4518 static int
|
|
|
4519 buf_write_bytes(ip)
|
|
|
4520 struct bw_info *ip;
|
|
|
4521 {
|
|
|
4522 int wlen;
|
|
|
4523 char_u *buf = ip->bw_buf; /* data to write */
|
|
|
4524 int len = ip->bw_len; /* length of data */
|
|
|
4525 #ifdef HAS_BW_FLAGS
|
|
|
4526 int flags = ip->bw_flags; /* extra flags */
|
|
|
4527 #endif
|
|
|
4528
|
|
|
4529 #ifdef FEAT_MBYTE
|
|
|
4530 /*
|
|
|
4531 * Skip conversion when writing the crypt magic number or the BOM.
|
|
|
4532 */
|
|
|
4533 if (!(flags & FIO_NOCONVERT))
|
|
|
4534 {
|
|
|
4535 char_u *p;
|
|
|
4536 unsigned c;
|
|
|
4537 int n;
|
|
|
4538
|
|
|
4539 if (flags & FIO_UTF8)
|
|
|
4540 {
|
|
|
4541 /*
|
|
|
4542 * Convert latin1 in the buffer to UTF-8 in the file.
|
|
|
4543 */
|
|
|
4544 p = ip->bw_conv_buf; /* translate to buffer */
|
|
|
4545 for (wlen = 0; wlen < len; ++wlen)
|
|
|
4546 p += utf_char2bytes(buf[wlen], p);
|
|
|
4547 buf = ip->bw_conv_buf;
|
|
|
4548 len = (int)(p - ip->bw_conv_buf);
|
|
|
4549 }
|
|
|
4550 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1))
|
|
|
4551 {
|
|
|
4552 /*
|
|
|
4553 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or
|
|
|
4554 * Latin1 chars in the file.
|
|
|
4555 */
|
|
|
4556 if (flags & FIO_LATIN1)
|
|
|
4557 p = buf; /* translate in-place (can only get shorter) */
|
|
|
4558 else
|
|
|
4559 p = ip->bw_conv_buf; /* translate to buffer */
|
|
|
4560 for (wlen = 0; wlen < len; wlen += n)
|
|
|
4561 {
|
|
|
4562 if (wlen == 0 && ip->bw_restlen != 0)
|
|
|
4563 {
|
|
|
4564 int l;
|
|
|
4565
|
|
|
4566 /* Use remainder of previous call. Append the start of
|
|
|
4567 * buf[] to get a full sequence. Might still be too
|
|
|
4568 * short! */
|
|
|
4569 l = CONV_RESTLEN - ip->bw_restlen;
|
|
|
4570 if (l > len)
|
|
|
4571 l = len;
|
|
|
4572 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l);
|
|
|
4573 n = utf_ptr2len_check_len(ip->bw_rest, ip->bw_restlen + l);
|
|
|
4574 if (n > ip->bw_restlen + len)
|
|
|
4575 {
|
|
|
4576 /* We have an incomplete byte sequence at the end to
|
|
|
4577 * be written. We can't convert it without the
|
|
|
4578 * remaining bytes. Keep them for the next call. */
|
|
|
4579 if (ip->bw_restlen + len > CONV_RESTLEN)
|
|
|
4580 return FAIL;
|
|
|
4581 ip->bw_restlen += len;
|
|
|
4582 break;
|
|
|
4583 }
|
|
|
4584 if (n > 1)
|
|
|
4585 c = utf_ptr2char(ip->bw_rest);
|
|
|
4586 else
|
|
|
4587 c = ip->bw_rest[0];
|
|
|
4588 if (n >= ip->bw_restlen)
|
|
|
4589 {
|
|
|
4590 n -= ip->bw_restlen;
|
|
|
4591 ip->bw_restlen = 0;
|
|
|
4592 }
|
|
|
4593 else
|
|
|
4594 {
|
|
|
4595 ip->bw_restlen -= n;
|
|
|
4596 mch_memmove(ip->bw_rest, ip->bw_rest + n,
|
|
|
4597 (size_t)ip->bw_restlen);
|
|
|
4598 n = 0;
|
|
|
4599 }
|
|
|
4600 }
|
|
|
4601 else
|
|
|
4602 {
|
|
|
4603 n = utf_ptr2len_check_len(buf + wlen, len - wlen);
|
|
|
4604 if (n > len - wlen)
|
|
|
4605 {
|
|
|
4606 /* We have an incomplete byte sequence at the end to
|
|
|
4607 * be written. We can't convert it without the
|
|
|
4608 * remaining bytes. Keep them for the next call. */
|
|
|
4609 if (len - wlen > CONV_RESTLEN)
|
|
|
4610 return FAIL;
|
|
|
4611 ip->bw_restlen = len - wlen;
|
|
|
4612 mch_memmove(ip->bw_rest, buf + wlen,
|
|
|
4613 (size_t)ip->bw_restlen);
|
|
|
4614 break;
|
|
|
4615 }
|
|
|
4616 if (n > 1)
|
|
|
4617 c = utf_ptr2char(buf + wlen);
|
|
|
4618 else
|
|
|
4619 c = buf[wlen];
|
|
|
4620 }
|
|
|
4621
|
|
|
4622 ip->bw_conv_error |= ucs2bytes(c, &p, flags);
|
|
|
4623 }
|
|
|
4624 if (flags & FIO_LATIN1)
|
|
|
4625 len = (int)(p - buf);
|
|
|
4626 else
|
|
|
4627 {
|
|
|
4628 buf = ip->bw_conv_buf;
|
|
|
4629 len = (int)(p - ip->bw_conv_buf);
|
|
|
4630 }
|
|
|
4631 }
|
|
|
4632
|
|
|
4633 # ifdef WIN3264
|
|
|
4634 else if (flags & FIO_CODEPAGE)
|
|
|
4635 {
|
|
|
4636 /*
|
|
|
4637 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows
|
|
|
4638 * codepage.
|
|
|
4639 */
|
|
|
4640 char_u *from;
|
|
|
4641 size_t fromlen;
|
|
|
4642 char_u *to;
|
|
|
4643 int u8c;
|
|
|
4644 BOOL bad = FALSE;
|
|
|
4645 int needed;
|
|
|
4646
|
|
|
4647 if (ip->bw_restlen > 0)
|
|
|
4648 {
|
|
|
4649 /* Need to concatenate the remainder of the previous call and
|
|
|
4650 * the bytes of the current call. Use the end of the
|
|
|
4651 * conversion buffer for this. */
|
|
|
4652 fromlen = len + ip->bw_restlen;
|
|
|
4653 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4654 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4655 mch_memmove(from + ip->bw_restlen, buf, (size_t)len);
|
|
|
4656 }
|
|
|
4657 else
|
|
|
4658 {
|
|
|
4659 from = buf;
|
|
|
4660 fromlen = len;
|
|
|
4661 }
|
|
|
4662
|
|
|
4663 to = ip->bw_conv_buf;
|
|
|
4664 if (enc_utf8)
|
|
|
4665 {
|
|
|
4666 /* Convert from UTF-8 to UCS-2, to the start of the buffer.
|
|
|
4667 * The buffer has been allocated to be big enough. */
|
|
|
4668 while (fromlen > 0)
|
|
|
4669 {
|
|
|
4670 n = utf_ptr2len_check_len(from, fromlen);
|
|
|
4671 if (n > (int)fromlen) /* incomplete byte sequence */
|
|
|
4672 break;
|
|
|
4673 u8c = utf_ptr2char(from);
|
|
|
4674 *to++ = (u8c & 0xff);
|
|
|
4675 *to++ = (u8c >> 8);
|
|
|
4676 fromlen -= n;
|
|
|
4677 from += n;
|
|
|
4678 }
|
|
|
4679
|
|
|
4680 /* Copy remainder to ip->bw_rest[] to be used for the next
|
|
|
4681 * call. */
|
|
|
4682 if (fromlen > CONV_RESTLEN)
|
|
|
4683 {
|
|
|
4684 /* weird overlong sequence */
|
|
|
4685 ip->bw_conv_error = TRUE;
|
|
|
4686 return FAIL;
|
|
|
4687 }
|
|
|
4688 mch_memmove(ip->bw_rest, from, fromlen);
|
|
|
4689 ip->bw_restlen = fromlen;
|
|
|
4690 }
|
|
|
4691 else
|
|
|
4692 {
|
|
|
4693 /* Convert from enc_codepage to UCS-2, to the start of the
|
|
|
4694 * buffer. The buffer has been allocated to be big enough. */
|
|
|
4695 ip->bw_restlen = 0;
|
|
|
4696 needed = MultiByteToWideChar(enc_codepage,
|
|
|
4697 MB_ERR_INVALID_CHARS, (LPCSTR)from, fromlen,
|
|
|
4698 NULL, 0);
|
|
|
4699 if (needed == 0)
|
|
|
4700 {
|
|
|
4701 /* When conversion fails there may be a trailing byte. */
|
|
|
4702 needed = MultiByteToWideChar(enc_codepage,
|
|
|
4703 MB_ERR_INVALID_CHARS, (LPCSTR)from, fromlen - 1,
|
|
|
4704 NULL, 0);
|
|
|
4705 if (needed == 0)
|
|
|
4706 {
|
|
|
4707 /* Conversion doesn't work. */
|
|
|
4708 ip->bw_conv_error = TRUE;
|
|
|
4709 return FAIL;
|
|
|
4710 }
|
|
|
4711 /* Save the trailing byte for the next call. */
|
|
|
4712 ip->bw_rest[0] = from[fromlen - 1];
|
|
|
4713 ip->bw_restlen = 1;
|
|
|
4714 }
|
|
|
4715 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS,
|
|
|
4716 (LPCSTR)from, fromlen - ip->bw_restlen,
|
|
|
4717 (LPWSTR)to, needed);
|
|
|
4718 if (needed == 0)
|
|
|
4719 {
|
|
|
4720 /* Safety check: Conversion doesn't work. */
|
|
|
4721 ip->bw_conv_error = TRUE;
|
|
|
4722 return FAIL;
|
|
|
4723 }
|
|
|
4724 to += needed * 2;
|
|
|
4725 }
|
|
|
4726
|
|
|
4727 fromlen = to - ip->bw_conv_buf;
|
|
|
4728 buf = to;
|
|
|
4729 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
4730 if (FIO_GET_CP(flags) == CP_UTF8)
|
|
|
4731 {
|
|
|
4732 /* Convert from UCS-2 to UTF-8, using the remainder of the
|
|
|
4733 * conversion buffer. Fails when out of space. */
|
|
|
4734 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2)
|
|
|
4735 {
|
|
|
4736 u8c = *from++;
|
|
|
4737 u8c += (*from++ << 8);
|
|
|
4738 to += utf_char2bytes(u8c, to);
|
|
|
4739 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen)
|
|
|
4740 {
|
|
|
4741 ip->bw_conv_error = TRUE;
|
|
|
4742 return FAIL;
|
|
|
4743 }
|
|
|
4744 }
|
|
|
4745 len = to - buf;
|
|
|
4746 }
|
|
|
4747 else
|
|
|
4748 #endif
|
|
|
4749 {
|
|
|
4750 /* Convert from UCS-2 to the codepage, using the remainder of
|
|
|
4751 * the conversion buffer. If the conversion uses the default
|
|
|
4752 * character "0", the data doesn't fit in this encoding, so
|
|
|
4753 * fail. */
|
|
|
4754 len = WideCharToMultiByte(FIO_GET_CP(flags), 0,
|
|
|
4755 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR),
|
|
|
4756 (LPSTR)to, ip->bw_conv_buflen - fromlen, 0, &bad);
|
|
|
4757 if (bad)
|
|
|
4758 {
|
|
|
4759 ip->bw_conv_error = TRUE;
|
|
|
4760 return FAIL;
|
|
|
4761 }
|
|
|
4762 }
|
|
|
4763 }
|
|
|
4764 # endif
|
|
|
4765
|
|
|
4766 # ifdef MACOS_X
|
|
|
4767 else if (flags & FIO_MACROMAN)
|
|
|
4768 {
|
|
|
4769 /*
|
|
|
4770 * Convert UTF-8 or latin1 to Apple MacRoman.
|
|
|
4771 */
|
|
|
4772 CFStringRef cfstr;
|
|
|
4773 CFRange r;
|
|
|
4774 CFIndex l;
|
|
|
4775 char_u *from;
|
|
|
4776 size_t fromlen;
|
|
|
4777
|
|
|
4778 if (ip->bw_restlen > 0)
|
|
|
4779 {
|
|
|
4780 /* Need to concatenate the remainder of the previous call and
|
|
|
4781 * the bytes of the current call. Use the end of the
|
|
|
4782 * conversion buffer for this. */
|
|
|
4783 fromlen = len + ip->bw_restlen;
|
|
|
4784 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4785 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4786 mch_memmove(from + ip->bw_restlen, buf, (size_t)len);
|
|
|
4787 }
|
|
|
4788 else
|
|
|
4789 {
|
|
|
4790 from = buf;
|
|
|
4791 fromlen = len;
|
|
|
4792 }
|
|
|
4793
|
|
|
4794 ip->bw_restlen = 0;
|
|
|
4795 cfstr = CFStringCreateWithBytes(NULL, from, fromlen,
|
|
|
4796 (enc_utf8) ?
|
|
|
4797 kCFStringEncodingUTF8 : kCFStringEncodingISOLatin1,
|
|
|
4798 0);
|
|
|
4799 while (cfstr == NULL && ip->bw_restlen < 3 && fromlen > 1)
|
|
|
4800 {
|
|
|
4801 ip->bw_rest[ip->bw_restlen++] = from[--fromlen];
|
|
|
4802 cfstr = CFStringCreateWithBytes(NULL, from, fromlen,
|
|
|
4803 (enc_utf8) ?
|
|
|
4804 kCFStringEncodingUTF8 : kCFStringEncodingISOLatin1,
|
|
|
4805 0);
|
|
|
4806 }
|
|
|
4807 if (cfstr == NULL)
|
|
|
4808 {
|
|
|
4809 ip->bw_conv_error = TRUE;
|
|
|
4810 return FAIL;
|
|
|
4811 }
|
|
|
4812
|
|
|
4813 r.location = 0;
|
|
|
4814 r.length = CFStringGetLength(cfstr);
|
|
|
4815 if (r.length != CFStringGetBytes(cfstr, r,
|
|
|
4816 kCFStringEncodingMacRoman,
|
|
|
4817 0, /* no lossy conversion */
|
|
|
4818 0, /* not external representation (since vim
|
|
|
4819 * handles this internally */
|
|
|
4820 ip->bw_conv_buf, ip->bw_conv_buflen, &l))
|
|
|
4821 {
|
|
|
4822 CFRelease(cfstr);
|
|
|
4823 ip->bw_conv_error = TRUE;
|
|
|
4824 return FAIL;
|
|
|
4825 }
|
|
|
4826 CFRelease(cfstr);
|
|
|
4827 buf = ip->bw_conv_buf;
|
|
|
4828 len = l;
|
|
|
4829 }
|
|
|
4830 # endif
|
|
|
4831
|
|
|
4832 # ifdef USE_ICONV
|
|
|
4833 if (ip->bw_iconv_fd != (iconv_t)-1)
|
|
|
4834 {
|
|
|
4835 const char *from;
|
|
|
4836 size_t fromlen;
|
|
|
4837 char *to;
|
|
|
4838 size_t tolen;
|
|
|
4839
|
|
|
4840 /* Convert with iconv(). */
|
|
|
4841 if (ip->bw_restlen > 0)
|
|
|
4842 {
|
|
|
4843 /* Need to concatenate the remainder of the previous call and
|
|
|
4844 * the bytes of the current call. Use the end of the
|
|
|
4845 * conversion buffer for this. */
|
|
|
4846 fromlen = len + ip->bw_restlen;
|
|
|
4847 from = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4848 mch_memmove((void *)from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4849 mch_memmove((void *)(from + ip->bw_restlen), buf, (size_t)len);
|
|
|
4850 tolen = ip->bw_conv_buflen - fromlen;
|
|
|
4851 }
|
|
|
4852 else
|
|
|
4853 {
|
|
|
4854 from = (const char *)buf;
|
|
|
4855 fromlen = len;
|
|
|
4856 tolen = ip->bw_conv_buflen;
|
|
|
4857 }
|
|
|
4858 to = (char *)ip->bw_conv_buf;
|
|
|
4859
|
|
|
4860 if (ip->bw_first)
|
|
|
4861 {
|
|
|
4862 size_t save_len = tolen;
|
|
|
4863
|
|
|
4864 /* output the initial shift state sequence */
|
|
|
4865 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen);
|
|
|
4866
|
|
|
4867 /* There is a bug in iconv() on Linux (which appears to be
|
|
|
4868 * wide-spread) which sets "to" to NULL and messes up "tolen".
|
|
|
4869 */
|
|
|
4870 if (to == NULL)
|
|
|
4871 {
|
|
|
4872 to = (char *)ip->bw_conv_buf;
|
|
|
4873 tolen = save_len;
|
|
|
4874 }
|
|
|
4875 ip->bw_first = FALSE;
|
|
|
4876 }
|
|
|
4877
|
|
|
4878 /*
|
|
|
4879 * If iconv() has an error or there is not enough room, fail.
|
|
|
4880 */
|
|
|
4881 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen)
|
|
|
4882 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL)
|
|
|
4883 || fromlen > CONV_RESTLEN)
|
|
|
4884 {
|
|
|
4885 ip->bw_conv_error = TRUE;
|
|
|
4886 return FAIL;
|
|
|
4887 }
|
|
|
4888
|
|
|
4889 /* copy remainder to ip->bw_rest[] to be used for the next call. */
|
|
|
4890 if (fromlen > 0)
|
|
|
4891 mch_memmove(ip->bw_rest, (void *)from, fromlen);
|
|
|
4892 ip->bw_restlen = (int)fromlen;
|
|
|
4893
|
|
|
4894 buf = ip->bw_conv_buf;
|
|
|
4895 len = (int)((char_u *)to - ip->bw_conv_buf);
|
|
|
4896 }
|
|
|
4897 # endif
|
|
|
4898 }
|
|
|
4899 #endif /* FEAT_MBYTE */
|
|
|
4900
|
|
|
4901 #ifdef FEAT_CRYPT
|
|
|
4902 if (flags & FIO_ENCRYPTED) /* encrypt the data */
|
|
|
4903 {
|
|
|
4904 int ztemp, t, i;
|
|
|
4905
|
|
|
4906 for (i = 0; i < len; i++)
|
|
|
4907 {
|
|
|
4908 ztemp = buf[i];
|
|
|
4909 buf[i] = ZENCODE(ztemp, t);
|
|
|
4910 }
|
|
|
4911 }
|
|
|
4912 #endif
|
|
|
4913
|
|
|
4914 /* Repeat the write(), it may be interrupted by a signal. */
|
|
|
4915 while (len)
|
|
|
4916 {
|
|
|
4917 wlen = vim_write(ip->bw_fd, buf, len);
|
|
|
4918 if (wlen <= 0) /* error! */
|
|
|
4919 return FAIL;
|
|
|
4920 len -= wlen;
|
|
|
4921 buf += wlen;
|
|
|
4922 }
|
|
|
4923 return OK;
|
|
|
4924 }
|
|
|
4925
|
|
|
4926 #ifdef FEAT_MBYTE
|
|
|
4927 /*
|
|
|
4928 * Convert a Unicode character to bytes.
|
|
|
4929 */
|
|
|
4930 static int
|
|
|
4931 ucs2bytes(c, pp, flags)
|
|
|
4932 unsigned c; /* in: character */
|
|
|
4933 char_u **pp; /* in/out: pointer to result */
|
|
|
4934 int flags; /* FIO_ flags */
|
|
|
4935 {
|
|
|
4936 char_u *p = *pp;
|
|
|
4937 int error = FALSE;
|
|
|
4938 int cc;
|
|
|
4939
|
|
|
4940
|
|
|
4941 if (flags & FIO_UCS4)
|
|
|
4942 {
|
|
|
4943 if (flags & FIO_ENDIAN_L)
|
|
|
4944 {
|
|
|
4945 *p++ = c;
|
|
|
4946 *p++ = (c >> 8);
|
|
|
4947 *p++ = (c >> 16);
|
|
|
4948 *p++ = (c >> 24);
|
|
|
4949 }
|
|
|
4950 else
|
|
|
4951 {
|
|
|
4952 *p++ = (c >> 24);
|
|
|
4953 *p++ = (c >> 16);
|
|
|
4954 *p++ = (c >> 8);
|
|
|
4955 *p++ = c;
|
|
|
4956 }
|
|
|
4957 }
|
|
|
4958 else if (flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
4959 {
|
|
|
4960 if (c >= 0x10000)
|
|
|
4961 {
|
|
|
4962 if (flags & FIO_UTF16)
|
|
|
4963 {
|
|
|
4964 /* Make two words, ten bits of the character in each. First
|
|
|
4965 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */
|
|
|
4966 c -= 0x10000;
|
|
|
4967 if (c >= 0x100000)
|
|
|
4968 error = TRUE;
|
|
|
4969 cc = ((c >> 10) & 0x3ff) + 0xd800;
|
|
|
4970 if (flags & FIO_ENDIAN_L)
|
|
|
4971 {
|
|
|
4972 *p++ = cc;
|
|
|
4973 *p++ = ((unsigned)cc >> 8);
|
|
|
4974 }
|
|
|
4975 else
|
|
|
4976 {
|
|
|
4977 *p++ = ((unsigned)cc >> 8);
|
|
|
4978 *p++ = cc;
|
|
|
4979 }
|
|
|
4980 c = (c & 0x3ff) + 0xdc00;
|
|
|
4981 }
|
|
|
4982 else
|
|
|
4983 error = TRUE;
|
|
|
4984 }
|
|
|
4985 if (flags & FIO_ENDIAN_L)
|
|
|
4986 {
|
|
|
4987 *p++ = c;
|
|
|
4988 *p++ = (c >> 8);
|
|
|
4989 }
|
|
|
4990 else
|
|
|
4991 {
|
|
|
4992 *p++ = (c >> 8);
|
|
|
4993 *p++ = c;
|
|
|
4994 }
|
|
|
4995 }
|
|
|
4996 else /* Latin1 */
|
|
|
4997 {
|
|
|
4998 if (c >= 0x100)
|
|
|
4999 {
|
|
|
5000 error = TRUE;
|
|
|
5001 *p++ = 0xBF;
|
|
|
5002 }
|
|
|
5003 else
|
|
|
5004 *p++ = c;
|
|
|
5005 }
|
|
|
5006
|
|
|
5007 *pp = p;
|
|
|
5008 return error;
|
|
|
5009 }
|
|
|
5010
|
|
|
5011 /*
|
|
|
5012 * Return TRUE if "a" and "b" are the same 'encoding'.
|
|
|
5013 * Ignores difference between "ansi" and "latin1", "ucs-4" and "ucs-4be", etc.
|
|
|
5014 */
|
|
|
5015 static int
|
|
|
5016 same_encoding(a, b)
|
|
|
5017 char_u *a;
|
|
|
5018 char_u *b;
|
|
|
5019 {
|
|
|
5020 int f;
|
|
|
5021
|
|
|
5022 if (STRCMP(a, b) == 0)
|
|
|
5023 return TRUE;
|
|
|
5024 f = get_fio_flags(a);
|
|
|
5025 return (f != 0 && get_fio_flags(b) == f);
|
|
|
5026 }
|
|
|
5027
|
|
|
5028 /*
|
|
|
5029 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the
|
|
|
5030 * internal conversion.
|
|
|
5031 * if "ptr" is an empty string, use 'encoding'.
|
|
|
5032 */
|
|
|
5033 static int
|
|
|
5034 get_fio_flags(ptr)
|
|
|
5035 char_u *ptr;
|
|
|
5036 {
|
|
|
5037 int prop;
|
|
|
5038
|
|
|
5039 if (*ptr == NUL)
|
|
|
5040 ptr = p_enc;
|
|
|
5041
|
|
|
5042 prop = enc_canon_props(ptr);
|
|
|
5043 if (prop & ENC_UNICODE)
|
|
|
5044 {
|
|
|
5045 if (prop & ENC_2BYTE)
|
|
|
5046 {
|
|
|
5047 if (prop & ENC_ENDIAN_L)
|
|
|
5048 return FIO_UCS2 | FIO_ENDIAN_L;
|
|
|
5049 return FIO_UCS2;
|
|
|
5050 }
|
|
|
5051 if (prop & ENC_4BYTE)
|
|
|
5052 {
|
|
|
5053 if (prop & ENC_ENDIAN_L)
|
|
|
5054 return FIO_UCS4 | FIO_ENDIAN_L;
|
|
|
5055 return FIO_UCS4;
|
|
|
5056 }
|
|
|
5057 if (prop & ENC_2WORD)
|
|
|
5058 {
|
|
|
5059 if (prop & ENC_ENDIAN_L)
|
|
|
5060 return FIO_UTF16 | FIO_ENDIAN_L;
|
|
|
5061 return FIO_UTF16;
|
|
|
5062 }
|
|
|
5063 return FIO_UTF8;
|
|
|
5064 }
|
|
|
5065 if (prop & ENC_LATIN1)
|
|
|
5066 return FIO_LATIN1;
|
|
|
5067 /* must be ENC_DBCS, requires iconv() */
|
|
|
5068 return 0;
|
|
|
5069 }
|
|
|
5070
|
|
|
5071 #ifdef WIN3264
|
|
|
5072 /*
|
|
|
5073 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed
|
|
|
5074 * for the conversion MS-Windows can do for us. Also accept "utf-8".
|
|
|
5075 * Used for conversion between 'encoding' and 'fileencoding'.
|
|
|
5076 */
|
|
|
5077 static int
|
|
|
5078 get_win_fio_flags(ptr)
|
|
|
5079 char_u *ptr;
|
|
|
5080 {
|
|
|
5081 int cp;
|
|
|
5082
|
|
|
5083 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */
|
|
|
5084 if (!enc_utf8 && enc_codepage <= 0)
|
|
|
5085 return 0;
|
|
|
5086
|
|
|
5087 cp = encname2codepage(ptr);
|
|
|
5088 if (cp == 0)
|
|
|
5089 {
|
|
|
5090 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
5091 if (STRCMP(ptr, "utf-8") == 0)
|
|
|
5092 cp = CP_UTF8;
|
|
|
5093 else
|
|
|
5094 # endif
|
|
|
5095 return 0;
|
|
|
5096 }
|
|
|
5097 return FIO_PUT_CP(cp) | FIO_CODEPAGE;
|
|
|
5098 }
|
|
|
5099 #endif
|
|
|
5100
|
|
|
5101 #ifdef MACOS_X
|
|
|
5102 /*
|
|
|
5103 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags
|
|
|
5104 * needed for the internal conversion to/from utf-8 or latin1.
|
|
|
5105 */
|
|
|
5106 static int
|
|
|
5107 get_mac_fio_flags(ptr)
|
|
|
5108 char_u *ptr;
|
|
|
5109 {
|
|
|
5110 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0)
|
|
|
5111 && (enc_canon_props(ptr) & ENC_MACROMAN))
|
|
|
5112 return FIO_MACROMAN;
|
|
|
5113 return 0;
|
|
|
5114 }
|
|
|
5115 #endif
|
|
|
5116
|
|
|
5117 /*
|
|
|
5118 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size].
|
|
|
5119 * "size" must be at least 2.
|
|
|
5120 * Return the name of the encoding and set "*lenp" to the length.
|
|
|
5121 * Returns NULL when no BOM found.
|
|
|
5122 */
|
|
|
5123 static char_u *
|
|
|
5124 check_for_bom(p, size, lenp, flags)
|
|
|
5125 char_u *p;
|
|
|
5126 long size;
|
|
|
5127 int *lenp;
|
|
|
5128 int flags;
|
|
|
5129 {
|
|
|
5130 char *name = NULL;
|
|
|
5131 int len = 2;
|
|
|
5132
|
|
|
5133 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf
|
|
|
5134 && (flags == FIO_ALL || flags == 0))
|
|
|
5135 {
|
|
|
5136 name = "utf-8"; /* EF BB BF */
|
|
|
5137 len = 3;
|
|
|
5138 }
|
|
|
5139 else if (p[0] == 0xff && p[1] == 0xfe)
|
|
|
5140 {
|
|
|
5141 if (size >= 4 && p[2] == 0 && p[3] == 0
|
|
|
5142 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L)))
|
|
|
5143 {
|
|
|
5144 name = "ucs-4le"; /* FF FE 00 00 */
|
|
|
5145 len = 4;
|
|
|
5146 }
|
|
|
5147 else if (flags == FIO_ALL || flags == (FIO_UCS2 | FIO_ENDIAN_L))
|
|
|
5148 name = "ucs-2le"; /* FF FE */
|
|
|
5149 else if (flags == (FIO_UTF16 | FIO_ENDIAN_L))
|
|
|
5150 name = "utf-16le"; /* FF FE */
|
|
|
5151 }
|
|
|
5152 else if (p[0] == 0xfe && p[1] == 0xff
|
|
|
5153 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16))
|
|
|
5154 {
|
|
|
5155 if (flags == FIO_UTF16)
|
|
|
5156 name = "utf-16"; /* FE FF */
|
|
|
5157 else
|
|
|
5158 name = "ucs-2"; /* FE FF */
|
|
|
5159 }
|
|
|
5160 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe
|
|
|
5161 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4))
|
|
|
5162 {
|
|
|
5163 name = "ucs-4"; /* 00 00 FE FF */
|
|
|
5164 len = 4;
|
|
|
5165 }
|
|
|
5166
|
|
|
5167 *lenp = len;
|
|
|
5168 return (char_u *)name;
|
|
|
5169 }
|
|
|
5170
|
|
|
5171 /*
|
|
|
5172 * Generate a BOM in "buf[4]" for encoding "name".
|
|
|
5173 * Return the length of the BOM (zero when no BOM).
|
|
|
5174 */
|
|
|
5175 static int
|
|
|
5176 make_bom(buf, name)
|
|
|
5177 char_u *buf;
|
|
|
5178 char_u *name;
|
|
|
5179 {
|
|
|
5180 int flags;
|
|
|
5181 char_u *p;
|
|
|
5182
|
|
|
5183 flags = get_fio_flags(name);
|
|
|
5184
|
|
|
5185 /* Can't put a BOM in a non-Unicode file. */
|
|
|
5186 if (flags == FIO_LATIN1 || flags == 0)
|
|
|
5187 return 0;
|
|
|
5188
|
|
|
5189 if (flags == FIO_UTF8) /* UTF-8 */
|
|
|
5190 {
|
|
|
5191 buf[0] = 0xef;
|
|
|
5192 buf[1] = 0xbb;
|
|
|
5193 buf[2] = 0xbf;
|
|
|
5194 return 3;
|
|
|
5195 }
|
|
|
5196 p = buf;
|
|
|
5197 (void)ucs2bytes(0xfeff, &p, flags);
|
|
|
5198 return (int)(p - buf);
|
|
|
5199 }
|
|
|
5200 #endif
|
|
|
5201
|
|
|
5202 /*
|
|
|
5203 * Try to find a shortname by comparing the fullname with the current
|
|
|
5204 * directory.
|
|
|
5205 * Returns NULL if not shorter name possible, pointer into "full_path"
|
|
|
5206 * otherwise.
|
|
|
5207 */
|
|
|
5208 char_u *
|
|
|
5209 shorten_fname(full_path, dir_name)
|
|
|
5210 char_u *full_path;
|
|
|
5211 char_u *dir_name;
|
|
|
5212 {
|
|
|
5213 int len;
|
|
|
5214 char_u *p;
|
|
|
5215
|
|
|
5216 if (full_path == NULL)
|
|
|
5217 return NULL;
|
|
|
5218 len = (int)STRLEN(dir_name);
|
|
|
5219 if (fnamencmp(dir_name, full_path, len) == 0)
|
|
|
5220 {
|
|
|
5221 p = full_path + len;
|
|
|
5222 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|
|
|
5223 /*
|
|
|
5224 * MSDOS: when a file is in the root directory, dir_name will end in a
|
|
|
5225 * slash, since C: by itself does not define a specific dir. In this
|
|
|
5226 * case p may already be correct. <negri>
|
|
|
5227 */
|
|
|
5228 if (!((len > 2) && (*(p - 2) == ':')))
|
|
|
5229 #endif
|
|
|
5230 {
|
|
|
5231 if (vim_ispathsep(*p))
|
|
|
5232 ++p;
|
|
|
5233 #ifndef VMS /* the path separator is always part of the path */
|
|
|
5234 else
|
|
|
5235 p = NULL;
|
|
|
5236 #endif
|
|
|
5237 }
|
|
|
5238 }
|
|
|
5239 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|
|
|
5240 /*
|
|
|
5241 * When using a file in the current drive, remove the drive name:
|
|
|
5242 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on
|
|
|
5243 * a floppy from "A:\dir" to "B:\dir".
|
|
|
5244 */
|
|
|
5245 else if (len > 3
|
|
|
5246 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0])
|
|
|
5247 && full_path[1] == ':'
|
|
|
5248 && vim_ispathsep(full_path[2]))
|
|
|
5249 p = full_path + 2;
|
|
|
5250 #endif
|
|
|
5251 else
|
|
|
5252 p = NULL;
|
|
|
5253 return p;
|
|
|
5254 }
|
|
|
5255
|
|
|
5256 /*
|
|
|
5257 * Shorten filenames for all buffers.
|
|
|
5258 * When "force" is TRUE: Use full path from now on for files currently being
|
|
|
5259 * edited, both for file name and swap file name. Try to shorten the file
|
|
|
5260 * names a bit, if safe to do so.
|
|
|
5261 * When "force" is FALSE: Only try to shorten absolute file names.
|
|
|
5262 * For buffers that have buftype "nofile" or "scratch": never change the file
|
|
|
5263 * name.
|
|
|
5264 */
|
|
|
5265 void
|
|
|
5266 shorten_fnames(force)
|
|
|
5267 int force;
|
|
|
5268 {
|
|
|
5269 char_u dirname[MAXPATHL];
|
|
|
5270 buf_T *buf;
|
|
|
5271 char_u *p;
|
|
|
5272
|
|
|
5273 mch_dirname(dirname, MAXPATHL);
|
|
|
5274 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
5275 {
|
|
|
5276 if (buf->b_fname != NULL
|
|
|
5277 #ifdef FEAT_QUICKFIX
|
|
|
5278 && !bt_nofile(buf)
|
|
|
5279 #endif
|
|
|
5280 && !path_with_url(buf->b_fname)
|
|
|
5281 && (force
|
|
|
5282 || buf->b_sfname == NULL
|
|
|
5283 || mch_isFullName(buf->b_sfname)))
|
|
|
5284 {
|
|
|
5285 vim_free(buf->b_sfname);
|
|
|
5286 buf->b_sfname = NULL;
|
|
|
5287 p = shorten_fname(buf->b_ffname, dirname);
|
|
|
5288 if (p != NULL)
|
|
|
5289 {
|
|
|
5290 buf->b_sfname = vim_strsave(p);
|
|
|
5291 buf->b_fname = buf->b_sfname;
|
|
|
5292 }
|
|
|
5293 if (p == NULL || buf->b_fname == NULL)
|
|
|
5294 buf->b_fname = buf->b_ffname;
|
|
9
|
5295 }
|
|
|
5296
|
|
|
5297 /* Always make the swap file name a full path, a "nofile" buffer may
|
|
|
5298 * also have a swap file. */
|
|
|
5299 mf_fullname(buf->b_ml.ml_mfp);
|
|
7
|
5300 }
|
|
|
5301 #ifdef FEAT_WINDOWS
|
|
|
5302 status_redraw_all();
|
|
|
5303 #endif
|
|
|
5304 }
|
|
|
5305
|
|
|
5306 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
|
|
|
5307 || defined(FEAT_GUI_MSWIN) \
|
|
|
5308 || defined(FEAT_GUI_MAC) \
|
|
|
5309 || defined(PROTO)
|
|
|
5310 /*
|
|
|
5311 * Shorten all filenames in "fnames[count]" by current directory.
|
|
|
5312 */
|
|
|
5313 void
|
|
|
5314 shorten_filenames(fnames, count)
|
|
|
5315 char_u **fnames;
|
|
|
5316 int count;
|
|
|
5317 {
|
|
|
5318 int i;
|
|
|
5319 char_u dirname[MAXPATHL];
|
|
|
5320 char_u *p;
|
|
|
5321
|
|
|
5322 if (fnames == NULL || count < 1)
|
|
|
5323 return;
|
|
|
5324 mch_dirname(dirname, sizeof(dirname));
|
|
|
5325 for (i = 0; i < count; ++i)
|
|
|
5326 {
|
|
|
5327 if ((p = shorten_fname(fnames[i], dirname)) != NULL)
|
|
|
5328 {
|
|
|
5329 /* shorten_fname() returns pointer in given "fnames[i]". If free
|
|
|
5330 * "fnames[i]" first, "p" becomes invalid. So we need to copy
|
|
|
5331 * "p" first then free fnames[i]. */
|
|
|
5332 p = vim_strsave(p);
|
|
|
5333 vim_free(fnames[i]);
|
|
|
5334 fnames[i] = p;
|
|
|
5335 }
|
|
|
5336 }
|
|
|
5337 }
|
|
|
5338 #endif
|
|
|
5339
|
|
|
5340 /*
|
|
|
5341 * add extention to file name - change path/fo.o.h to path/fo.o.h.ext or
|
|
|
5342 * fo_o_h.ext for MSDOS or when shortname option set.
|
|
|
5343 *
|
|
|
5344 * Assumed that fname is a valid name found in the filesystem we assure that
|
|
|
5345 * the return value is a different name and ends in 'ext'.
|
|
|
5346 * "ext" MUST be at most 4 characters long if it starts with a dot, 3
|
|
|
5347 * characters otherwise.
|
|
|
5348 * Space for the returned name is allocated, must be freed later.
|
|
|
5349 * Returns NULL when out of memory.
|
|
|
5350 */
|
|
|
5351 char_u *
|
|
|
5352 modname(fname, ext, prepend_dot)
|
|
|
5353 char_u *fname, *ext;
|
|
|
5354 int prepend_dot; /* may prepend a '.' to file name */
|
|
|
5355 {
|
|
|
5356 return buf_modname(
|
|
|
5357 #ifdef SHORT_FNAME
|
|
|
5358 TRUE,
|
|
|
5359 #else
|
|
|
5360 (curbuf->b_p_sn || curbuf->b_shortname),
|
|
|
5361 #endif
|
|
|
5362 fname, ext, prepend_dot);
|
|
|
5363 }
|
|
|
5364
|
|
|
5365 char_u *
|
|
|
5366 buf_modname(shortname, fname, ext, prepend_dot)
|
|
|
5367 int shortname; /* use 8.3 file name */
|
|
|
5368 char_u *fname, *ext;
|
|
|
5369 int prepend_dot; /* may prepend a '.' to file name */
|
|
|
5370 {
|
|
|
5371 char_u *retval;
|
|
|
5372 char_u *s;
|
|
|
5373 char_u *e;
|
|
|
5374 char_u *ptr;
|
|
|
5375 int fnamelen, extlen;
|
|
|
5376
|
|
|
5377 extlen = (int)STRLEN(ext);
|
|
|
5378
|
|
|
5379 /*
|
|
|
5380 * If there is no file name we must get the name of the current directory
|
|
|
5381 * (we need the full path in case :cd is used).
|
|
|
5382 */
|
|
|
5383 if (fname == NULL || *fname == NUL)
|
|
|
5384 {
|
|
|
5385 retval = alloc((unsigned)(MAXPATHL + extlen + 3));
|
|
|
5386 if (retval == NULL)
|
|
|
5387 return NULL;
|
|
|
5388 if (mch_dirname(retval, MAXPATHL) == FAIL ||
|
|
|
5389 (fnamelen = (int)STRLEN(retval)) == 0)
|
|
|
5390 {
|
|
|
5391 vim_free(retval);
|
|
|
5392 return NULL;
|
|
|
5393 }
|
|
|
5394 if (!vim_ispathsep(retval[fnamelen - 1]))
|
|
|
5395 {
|
|
|
5396 retval[fnamelen++] = PATHSEP;
|
|
|
5397 retval[fnamelen] = NUL;
|
|
|
5398 }
|
|
|
5399 #ifndef SHORT_FNAME
|
|
|
5400 prepend_dot = FALSE; /* nothing to prepend a dot to */
|
|
|
5401 #endif
|
|
|
5402 }
|
|
|
5403 else
|
|
|
5404 {
|
|
|
5405 fnamelen = (int)STRLEN(fname);
|
|
|
5406 retval = alloc((unsigned)(fnamelen + extlen + 3));
|
|
|
5407 if (retval == NULL)
|
|
|
5408 return NULL;
|
|
|
5409 STRCPY(retval, fname);
|
|
|
5410 #ifdef VMS
|
|
|
5411 vms_remove_version(retval); /* we do not need versions here */
|
|
|
5412 #endif
|
|
|
5413 }
|
|
|
5414
|
|
|
5415 /*
|
|
|
5416 * search backwards until we hit a '/', '\' or ':' replacing all '.'
|
|
|
5417 * by '_' for MSDOS or when shortname option set and ext starts with a dot.
|
|
|
5418 * Then truncate what is after the '/', '\' or ':' to 8 characters for
|
|
|
5419 * MSDOS and 26 characters for AMIGA, a lot more for UNIX.
|
|
|
5420 */
|
|
|
5421 for (ptr = retval + fnamelen; ptr >= retval; ptr--)
|
|
|
5422 {
|
|
|
5423 #ifndef RISCOS
|
|
|
5424 if (*ext == '.'
|
|
|
5425 #ifdef USE_LONG_FNAME
|
|
|
5426 && (!USE_LONG_FNAME || shortname)
|
|
|
5427 #else
|
|
|
5428 # ifndef SHORT_FNAME
|
|
|
5429 && shortname
|
|
|
5430 # endif
|
|
|
5431 #endif
|
|
|
5432 )
|
|
|
5433 if (*ptr == '.') /* replace '.' by '_' */
|
|
|
5434 *ptr = '_';
|
|
|
5435 #endif /* RISCOS */
|
|
|
5436 if (vim_ispathsep(*ptr))
|
|
|
5437 break;
|
|
|
5438 }
|
|
|
5439 ptr++;
|
|
|
5440
|
|
|
5441 /* the file name has at most BASENAMELEN characters. */
|
|
|
5442 #ifndef SHORT_FNAME
|
|
|
5443 if (STRLEN(ptr) > (unsigned)BASENAMELEN)
|
|
|
5444 ptr[BASENAMELEN] = '\0';
|
|
|
5445 #endif
|
|
|
5446
|
|
|
5447 s = ptr + STRLEN(ptr);
|
|
|
5448
|
|
|
5449 /*
|
|
|
5450 * For 8.3 file names we may have to reduce the length.
|
|
|
5451 */
|
|
|
5452 #ifdef USE_LONG_FNAME
|
|
|
5453 if (!USE_LONG_FNAME || shortname)
|
|
|
5454 #else
|
|
|
5455 # ifndef SHORT_FNAME
|
|
|
5456 if (shortname)
|
|
|
5457 # endif
|
|
|
5458 #endif
|
|
|
5459 {
|
|
|
5460 /*
|
|
|
5461 * If there is no file name, or the file name ends in '/', and the
|
|
|
5462 * extension starts with '.', put a '_' before the dot, because just
|
|
|
5463 * ".ext" is invalid.
|
|
|
5464 */
|
|
|
5465 if (fname == NULL || *fname == NUL
|
|
|
5466 || vim_ispathsep(fname[STRLEN(fname) - 1]))
|
|
|
5467 {
|
|
|
5468 #ifdef RISCOS
|
|
|
5469 if (*ext == '/')
|
|
|
5470 #else
|
|
|
5471 if (*ext == '.')
|
|
|
5472 #endif
|
|
|
5473 *s++ = '_';
|
|
|
5474 }
|
|
|
5475 /*
|
|
|
5476 * If the extension starts with '.', truncate the base name at 8
|
|
|
5477 * characters
|
|
|
5478 */
|
|
|
5479 #ifdef RISCOS
|
|
|
5480 /* We normally use '/', but swap files are '_' */
|
|
|
5481 else if (*ext == '/' || *ext == '_')
|
|
|
5482 #else
|
|
|
5483 else if (*ext == '.')
|
|
|
5484 #endif
|
|
|
5485 {
|
|
|
5486 if (s - ptr > (size_t)8)
|
|
|
5487 {
|
|
|
5488 s = ptr + 8;
|
|
|
5489 *s = '\0';
|
|
|
5490 }
|
|
|
5491 }
|
|
|
5492 /*
|
|
|
5493 * If the extension doesn't start with '.', and the file name
|
|
|
5494 * doesn't have an extension yet, append a '.'
|
|
|
5495 */
|
|
|
5496 #ifdef RISCOS
|
|
|
5497 else if ((e = vim_strchr(ptr, '/')) == NULL)
|
|
|
5498 *s++ = '/';
|
|
|
5499 #else
|
|
|
5500 else if ((e = vim_strchr(ptr, '.')) == NULL)
|
|
|
5501 *s++ = '.';
|
|
|
5502 #endif
|
|
|
5503 /*
|
|
|
5504 * If the extension doesn't start with '.', and there already is an
|
|
|
5505 * extension, it may need to be tructated
|
|
|
5506 */
|
|
|
5507 else if ((int)STRLEN(e) + extlen > 4)
|
|
|
5508 s = e + 4 - extlen;
|
|
|
5509 }
|
|
|
5510 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264)
|
|
|
5511 /*
|
|
|
5512 * If there is no file name, and the extension starts with '.', put a
|
|
|
5513 * '_' before the dot, because just ".ext" may be invalid if it's on a
|
|
|
5514 * FAT partition, and on HPFS it doesn't matter.
|
|
|
5515 */
|
|
|
5516 else if ((fname == NULL || *fname == NUL) && *ext == '.')
|
|
|
5517 *s++ = '_';
|
|
|
5518 #endif
|
|
|
5519
|
|
|
5520 /*
|
|
|
5521 * Append the extention.
|
|
|
5522 * ext can start with '.' and cannot exceed 3 more characters.
|
|
|
5523 */
|
|
|
5524 STRCPY(s, ext);
|
|
|
5525
|
|
|
5526 #ifndef SHORT_FNAME
|
|
|
5527 /*
|
|
|
5528 * Prepend the dot.
|
|
|
5529 */
|
|
|
5530 if (prepend_dot && !shortname && *(e = gettail(retval)) !=
|
|
|
5531 #ifdef RISCOS
|
|
|
5532 '/'
|
|
|
5533 #else
|
|
|
5534 '.'
|
|
|
5535 #endif
|
|
|
5536 #ifdef USE_LONG_FNAME
|
|
|
5537 && USE_LONG_FNAME
|
|
|
5538 #endif
|
|
|
5539 )
|
|
|
5540 {
|
|
|
5541 mch_memmove(e + 1, e, STRLEN(e) + 1);
|
|
|
5542 #ifdef RISCOS
|
|
|
5543 *e = '/';
|
|
|
5544 #else
|
|
|
5545 *e = '.';
|
|
|
5546 #endif
|
|
|
5547 }
|
|
|
5548 #endif
|
|
|
5549
|
|
|
5550 /*
|
|
|
5551 * Check that, after appending the extension, the file name is really
|
|
|
5552 * different.
|
|
|
5553 */
|
|
|
5554 if (fname != NULL && STRCMP(fname, retval) == 0)
|
|
|
5555 {
|
|
|
5556 /* we search for a character that can be replaced by '_' */
|
|
|
5557 while (--s >= ptr)
|
|
|
5558 {
|
|
|
5559 if (*s != '_')
|
|
|
5560 {
|
|
|
5561 *s = '_';
|
|
|
5562 break;
|
|
|
5563 }
|
|
|
5564 }
|
|
|
5565 if (s < ptr) /* fname was "________.<ext>", how tricky! */
|
|
|
5566 *ptr = 'v';
|
|
|
5567 }
|
|
|
5568 return retval;
|
|
|
5569 }
|
|
|
5570
|
|
|
5571 /*
|
|
|
5572 * Like fgets(), but if the file line is too long, it is truncated and the
|
|
|
5573 * rest of the line is thrown away. Returns TRUE for end-of-file.
|
|
|
5574 */
|
|
|
5575 int
|
|
|
5576 vim_fgets(buf, size, fp)
|
|
|
5577 char_u *buf;
|
|
|
5578 int size;
|
|
|
5579 FILE *fp;
|
|
|
5580 {
|
|
|
5581 char *eof;
|
|
|
5582 #define FGETS_SIZE 200
|
|
|
5583 char tbuf[FGETS_SIZE];
|
|
|
5584
|
|
|
5585 buf[size - 2] = NUL;
|
|
|
5586 #ifdef USE_CR
|
|
|
5587 eof = fgets_cr((char *)buf, size, fp);
|
|
|
5588 #else
|
|
|
5589 eof = fgets((char *)buf, size, fp);
|
|
|
5590 #endif
|
|
|
5591 if (buf[size - 2] != NUL && buf[size - 2] != '\n')
|
|
|
5592 {
|
|
|
5593 buf[size - 1] = NUL; /* Truncate the line */
|
|
|
5594
|
|
|
5595 /* Now throw away the rest of the line: */
|
|
|
5596 do
|
|
|
5597 {
|
|
|
5598 tbuf[FGETS_SIZE - 2] = NUL;
|
|
|
5599 #ifdef USE_CR
|
|
|
5600 fgets_cr((char *)tbuf, FGETS_SIZE, fp);
|
|
|
5601 #else
|
|
|
5602 fgets((char *)tbuf, FGETS_SIZE, fp);
|
|
|
5603 #endif
|
|
|
5604 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n');
|
|
|
5605 }
|
|
|
5606 return (eof == NULL);
|
|
|
5607 }
|
|
|
5608
|
|
|
5609 #if defined(USE_CR) || defined(PROTO)
|
|
|
5610 /*
|
|
|
5611 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF.
|
|
|
5612 * Returns TRUE for end-of-file.
|
|
|
5613 * Only used for the Mac, because it's much slower than vim_fgets().
|
|
|
5614 */
|
|
|
5615 int
|
|
|
5616 tag_fgets(buf, size, fp)
|
|
|
5617 char_u *buf;
|
|
|
5618 int size;
|
|
|
5619 FILE *fp;
|
|
|
5620 {
|
|
|
5621 int i = 0;
|
|
|
5622 int c;
|
|
|
5623 int eof = FALSE;
|
|
|
5624
|
|
|
5625 for (;;)
|
|
|
5626 {
|
|
|
5627 c = fgetc(fp);
|
|
|
5628 if (c == EOF)
|
|
|
5629 {
|
|
|
5630 eof = TRUE;
|
|
|
5631 break;
|
|
|
5632 }
|
|
|
5633 if (c == '\r')
|
|
|
5634 {
|
|
|
5635 /* Always store a NL for end-of-line. */
|
|
|
5636 if (i < size - 1)
|
|
|
5637 buf[i++] = '\n';
|
|
|
5638 c = fgetc(fp);
|
|
|
5639 if (c != '\n') /* Macintosh format: single CR. */
|
|
|
5640 ungetc(c, fp);
|
|
|
5641 break;
|
|
|
5642 }
|
|
|
5643 if (i < size - 1)
|
|
|
5644 buf[i++] = c;
|
|
|
5645 if (c == '\n')
|
|
|
5646 break;
|
|
|
5647 }
|
|
|
5648 buf[i] = NUL;
|
|
|
5649 return eof;
|
|
|
5650 }
|
|
|
5651 #endif
|
|
|
5652
|
|
|
5653 /*
|
|
|
5654 * rename() only works if both files are on the same file system, this
|
|
|
5655 * function will (attempts to?) copy the file across if rename fails -- webb
|
|
|
5656 * Return -1 for failure, 0 for success.
|
|
|
5657 */
|
|
|
5658 int
|
|
|
5659 vim_rename(from, to)
|
|
|
5660 char_u *from;
|
|
|
5661 char_u *to;
|
|
|
5662 {
|
|
|
5663 int fd_in;
|
|
|
5664 int fd_out;
|
|
|
5665 int n;
|
|
|
5666 char *errmsg = NULL;
|
|
|
5667 char *buffer;
|
|
|
5668 #ifdef AMIGA
|
|
|
5669 BPTR flock;
|
|
|
5670 #endif
|
|
|
5671 struct stat st;
|
|
|
5672
|
|
|
5673 /*
|
|
|
5674 * When the names are identical, there is nothing to do.
|
|
|
5675 */
|
|
|
5676 if (fnamecmp(from, to) == 0)
|
|
|
5677 return 0;
|
|
|
5678
|
|
|
5679 /*
|
|
|
5680 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted.
|
|
|
5681 */
|
|
|
5682 if (mch_stat((char *)from, &st) < 0)
|
|
|
5683 return -1;
|
|
|
5684
|
|
|
5685 /*
|
|
|
5686 * Delete the "to" file, this is required on some systems to make the
|
|
|
5687 * mch_rename() work, on other systems it makes sure that we don't have
|
|
|
5688 * two files when the mch_rename() fails.
|
|
|
5689 */
|
|
|
5690
|
|
|
5691 #ifdef AMIGA
|
|
|
5692 /*
|
|
|
5693 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible
|
|
|
5694 * that the name of the "to" file is the same as the "from" file, even
|
|
|
5695 * though the names are different. To avoid the chance of accidently
|
|
|
5696 * deleting the "from" file (horror!) we lock it during the remove.
|
|
|
5697 *
|
|
|
5698 * When used for making a backup before writing the file: This should not
|
|
|
5699 * happen with ":w", because startscript() should detect this problem and
|
|
|
5700 * set buf->b_shortname, causing modname() to return a correct ".bak" file
|
|
|
5701 * name. This problem does exist with ":w filename", but then the
|
|
|
5702 * original file will be somewhere else so the backup isn't really
|
|
|
5703 * important. If autoscripting is off the rename may fail.
|
|
|
5704 */
|
|
|
5705 flock = Lock((UBYTE *)from, (long)ACCESS_READ);
|
|
|
5706 #endif
|
|
|
5707 mch_remove(to);
|
|
|
5708 #ifdef AMIGA
|
|
|
5709 if (flock)
|
|
|
5710 UnLock(flock);
|
|
|
5711 #endif
|
|
|
5712
|
|
|
5713 /*
|
|
|
5714 * First try a normal rename, return if it works.
|
|
|
5715 */
|
|
|
5716 if (mch_rename((char *)from, (char *)to) == 0)
|
|
|
5717 return 0;
|
|
|
5718
|
|
|
5719 /*
|
|
|
5720 * Rename() failed, try copying the file.
|
|
|
5721 */
|
|
|
5722 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0);
|
|
|
5723 if (fd_in == -1)
|
|
|
5724 return -1;
|
|
|
5725 fd_out = mch_open((char *)to, O_CREAT|O_EXCL|O_WRONLY|O_EXTRA, 0666);
|
|
|
5726 if (fd_out == -1)
|
|
|
5727 {
|
|
|
5728 close(fd_in);
|
|
|
5729 return -1;
|
|
|
5730 }
|
|
|
5731
|
|
|
5732 buffer = (char *)alloc(BUFSIZE);
|
|
|
5733 if (buffer == NULL)
|
|
|
5734 {
|
|
|
5735 close(fd_in);
|
|
|
5736 close(fd_out);
|
|
|
5737 return -1;
|
|
|
5738 }
|
|
|
5739
|
|
|
5740 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0)
|
|
|
5741 if (vim_write(fd_out, buffer, n) != n)
|
|
|
5742 {
|
|
|
5743 errmsg = _("E208: Error writing to \"%s\"");
|
|
|
5744 break;
|
|
|
5745 }
|
|
|
5746
|
|
|
5747 vim_free(buffer);
|
|
|
5748 close(fd_in);
|
|
|
5749 if (close(fd_out) < 0)
|
|
|
5750 errmsg = _("E209: Error closing \"%s\"");
|
|
|
5751 if (n < 0)
|
|
|
5752 {
|
|
|
5753 errmsg = _("E210: Error reading \"%s\"");
|
|
|
5754 to = from;
|
|
|
5755 }
|
|
|
5756 if (errmsg != NULL)
|
|
|
5757 {
|
|
|
5758 EMSG2(errmsg, to);
|
|
|
5759 return -1;
|
|
|
5760 }
|
|
|
5761 mch_remove(from);
|
|
|
5762 return 0;
|
|
|
5763 }
|
|
|
5764
|
|
|
5765 static int already_warned = FALSE;
|
|
|
5766
|
|
|
5767 /*
|
|
|
5768 * Check if any not hidden buffer has been changed.
|
|
|
5769 * Postpone the check if there are characters in the stuff buffer, a global
|
|
|
5770 * command is being executed, a mapping is being executed or an autocommand is
|
|
|
5771 * busy.
|
|
|
5772 * Returns TRUE if some message was written (screen should be redrawn and
|
|
|
5773 * cursor positioned).
|
|
|
5774 */
|
|
|
5775 int
|
|
|
5776 check_timestamps(focus)
|
|
|
5777 int focus; /* called for GUI focus event */
|
|
|
5778 {
|
|
|
5779 buf_T *buf;
|
|
|
5780 int didit = 0;
|
|
|
5781 int n;
|
|
|
5782
|
|
|
5783 /* Don't check timestamps while system() or another low-level function may
|
|
|
5784 * cause us to lose and gain focus. */
|
|
|
5785 if (no_check_timestamps > 0)
|
|
|
5786 return FALSE;
|
|
|
5787
|
|
|
5788 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus
|
|
|
5789 * event and we would keep on checking if the file is steadily growing.
|
|
|
5790 * Do check again after typing something. */
|
|
|
5791 if (focus && did_check_timestamps)
|
|
|
5792 {
|
|
|
5793 need_check_timestamps = TRUE;
|
|
|
5794 return FALSE;
|
|
|
5795 }
|
|
|
5796
|
|
|
5797 if (!stuff_empty() || global_busy || !typebuf_typed()
|
|
|
5798 #ifdef FEAT_AUTOCMD
|
|
|
5799 || autocmd_busy
|
|
|
5800 #endif
|
|
|
5801 )
|
|
|
5802 need_check_timestamps = TRUE; /* check later */
|
|
|
5803 else
|
|
|
5804 {
|
|
|
5805 ++no_wait_return;
|
|
|
5806 did_check_timestamps = TRUE;
|
|
|
5807 already_warned = FALSE;
|
|
|
5808 for (buf = firstbuf; buf != NULL; )
|
|
|
5809 {
|
|
|
5810 /* Only check buffers in a window. */
|
|
|
5811 if (buf->b_nwindows > 0)
|
|
|
5812 {
|
|
|
5813 n = buf_check_timestamp(buf, focus);
|
|
|
5814 if (didit < n)
|
|
|
5815 didit = n;
|
|
|
5816 if (n > 0 && !buf_valid(buf))
|
|
|
5817 {
|
|
|
5818 /* Autocommands have removed the buffer, start at the
|
|
|
5819 * first one again. */
|
|
|
5820 buf = firstbuf;
|
|
|
5821 continue;
|
|
|
5822 }
|
|
|
5823 }
|
|
|
5824 buf = buf->b_next;
|
|
|
5825 }
|
|
|
5826 --no_wait_return;
|
|
|
5827 need_check_timestamps = FALSE;
|
|
|
5828 if (need_wait_return && didit == 2)
|
|
|
5829 {
|
|
|
5830 /* make sure msg isn't overwritten */
|
|
|
5831 msg_puts((char_u *)"\n");
|
|
|
5832 out_flush();
|
|
|
5833 }
|
|
|
5834 }
|
|
|
5835 return didit;
|
|
|
5836 }
|
|
|
5837
|
|
|
5838 /*
|
|
|
5839 * Move all the lines from buffer "frombuf" to buffer "tobuf".
|
|
|
5840 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not
|
|
|
5841 * empty.
|
|
|
5842 */
|
|
|
5843 static int
|
|
|
5844 move_lines(frombuf, tobuf)
|
|
|
5845 buf_T *frombuf;
|
|
|
5846 buf_T *tobuf;
|
|
|
5847 {
|
|
|
5848 buf_T *tbuf = curbuf;
|
|
|
5849 int retval = OK;
|
|
|
5850 linenr_T lnum;
|
|
|
5851 char_u *p;
|
|
|
5852
|
|
|
5853 /* Copy the lines in "frombuf" to "tobuf". */
|
|
|
5854 curbuf = tobuf;
|
|
|
5855 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum)
|
|
|
5856 {
|
|
|
5857 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE));
|
|
|
5858 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL)
|
|
|
5859 {
|
|
|
5860 vim_free(p);
|
|
|
5861 retval = FAIL;
|
|
|
5862 break;
|
|
|
5863 }
|
|
|
5864 vim_free(p);
|
|
|
5865 }
|
|
|
5866
|
|
|
5867 /* Delete all the lines in "frombuf". */
|
|
|
5868 if (retval != FAIL)
|
|
|
5869 {
|
|
|
5870 curbuf = frombuf;
|
|
|
5871 while (!bufempty())
|
|
|
5872 if (ml_delete(curbuf->b_ml.ml_line_count, FALSE) == FAIL)
|
|
|
5873 {
|
|
|
5874 /* Oops! We could try putting back the saved lines, but that
|
|
|
5875 * might fail again... */
|
|
|
5876 retval = FAIL;
|
|
|
5877 break;
|
|
|
5878 }
|
|
|
5879 }
|
|
|
5880
|
|
|
5881 curbuf = tbuf;
|
|
|
5882 return retval;
|
|
|
5883 }
|
|
|
5884
|
|
|
5885 /*
|
|
|
5886 * Check if buffer "buf" has been changed.
|
|
|
5887 * Also check if the file for a new buffer unexpectedly appeared.
|
|
|
5888 * return 1 if a changed buffer was found.
|
|
|
5889 * return 2 if a message has been displayed.
|
|
|
5890 * return 0 otherwise.
|
|
|
5891 */
|
|
|
5892 /*ARGSUSED*/
|
|
|
5893 int
|
|
|
5894 buf_check_timestamp(buf, focus)
|
|
|
5895 buf_T *buf;
|
|
|
5896 int focus; /* called for GUI focus event */
|
|
|
5897 {
|
|
|
5898 struct stat st;
|
|
|
5899 int stat_res;
|
|
|
5900 int retval = 0;
|
|
|
5901 char_u *path;
|
|
|
5902 char_u *tbuf;
|
|
|
5903 char *mesg = NULL;
|
|
|
5904 char *mesg2;
|
|
|
5905 int helpmesg = FALSE;
|
|
|
5906 int reload = FALSE;
|
|
|
5907 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
5908 int can_reload = FALSE;
|
|
|
5909 #endif
|
|
|
5910 size_t orig_size = buf->b_orig_size;
|
|
|
5911 int orig_mode = buf->b_orig_mode;
|
|
|
5912 #ifdef FEAT_GUI
|
|
|
5913 int save_mouse_correct = need_mouse_correct;
|
|
|
5914 #endif
|
|
|
5915 #ifdef FEAT_AUTOCMD
|
|
|
5916 static int busy = FALSE;
|
|
|
5917 #endif
|
|
|
5918
|
|
|
5919 /* If there is no file name, the buffer is not loaded, 'buftype' is
|
|
|
5920 * set, we are in the middle of a save or being called recursively: ignore
|
|
|
5921 * this buffer. */
|
|
|
5922 if (buf->b_ffname == NULL
|
|
|
5923 || buf->b_ml.ml_mfp == NULL
|
|
|
5924 #if defined(FEAT_QUICKFIX)
|
|
|
5925 || *buf->b_p_bt != NUL
|
|
|
5926 #endif
|
|
|
5927 || buf->b_saving
|
|
|
5928 #ifdef FEAT_AUTOCMD
|
|
|
5929 || busy
|
|
|
5930 #endif
|
|
|
5931 )
|
|
|
5932 return 0;
|
|
|
5933
|
|
|
5934 if ( !(buf->b_flags & BF_NOTEDITED)
|
|
|
5935 && buf->b_mtime != 0
|
|
|
5936 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0
|
|
|
5937 || time_differs((long)st.st_mtime, buf->b_mtime)
|
|
|
5938 #ifdef HAVE_ST_MODE
|
|
|
5939 || (int)st.st_mode != buf->b_orig_mode
|
|
|
5940 #else
|
|
|
5941 || mch_getperm(buf->b_ffname) != buf->b_orig_mode
|
|
|
5942 #endif
|
|
|
5943 ))
|
|
|
5944 {
|
|
|
5945 retval = 1;
|
|
|
5946
|
|
|
5947 /* set b_mtime to stop further warnings */
|
|
|
5948 if (stat_res < 0)
|
|
|
5949 {
|
|
|
5950 buf->b_mtime = 0;
|
|
|
5951 buf->b_orig_size = 0;
|
|
|
5952 buf->b_orig_mode = 0;
|
|
|
5953 }
|
|
|
5954 else
|
|
|
5955 buf_store_time(buf, &st, buf->b_ffname);
|
|
|
5956
|
|
|
5957 /* Don't do anything for a directory. Might contain the file
|
|
|
5958 * explorer. */
|
|
|
5959 if (mch_isdir(buf->b_fname))
|
|
|
5960 ;
|
|
|
5961
|
|
|
5962 /*
|
|
|
5963 * If 'autoread' is set, the buffer has no changes and the file still
|
|
|
5964 * exists, reload the buffer. Use the buffer-local option value if it
|
|
|
5965 * was set, the global option value otherwise.
|
|
|
5966 */
|
|
|
5967 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar)
|
|
|
5968 && !bufIsChanged(buf) && stat_res >= 0)
|
|
|
5969 reload = TRUE;
|
|
|
5970 else
|
|
|
5971 {
|
|
|
5972 #ifdef FEAT_AUTOCMD
|
|
|
5973 int n;
|
|
|
5974
|
|
|
5975 /*
|
|
|
5976 * Only give the warning if there are no FileChangedShell
|
|
|
5977 * autocommands.
|
|
|
5978 * Avoid being called recursively by setting "busy".
|
|
|
5979 */
|
|
|
5980 busy = TRUE;
|
|
|
5981 n = apply_autocmds(EVENT_FILECHANGEDSHELL,
|
|
|
5982 buf->b_fname, buf->b_fname, FALSE, buf);
|
|
|
5983 busy = FALSE;
|
|
|
5984 if (n)
|
|
|
5985 {
|
|
|
5986 if (!buf_valid(buf))
|
|
|
5987 EMSG(_("E246: FileChangedShell autocommand deleted buffer"));
|
|
|
5988 return 2;
|
|
|
5989 }
|
|
|
5990 else
|
|
|
5991 #endif
|
|
|
5992 {
|
|
|
5993 if (stat_res < 0)
|
|
|
5994 mesg = _("E211: Warning: File \"%s\" no longer available");
|
|
|
5995 else
|
|
|
5996 {
|
|
|
5997 helpmesg = TRUE;
|
|
|
5998 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
5999 can_reload = TRUE;
|
|
|
6000 #endif
|
|
|
6001 /*
|
|
|
6002 * Check if the file contents really changed to avoid
|
|
|
6003 * giving a warning when only the timestamp was set (e.g.,
|
|
|
6004 * checked out of CVS). Always warn when the buffer was
|
|
|
6005 * changed.
|
|
|
6006 */
|
|
|
6007 if (bufIsChanged(buf))
|
|
|
6008 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well");
|
|
|
6009 else if (orig_size != buf->b_orig_size
|
|
|
6010 || buf_contents_changed(buf))
|
|
|
6011 mesg = _("W11: Warning: File \"%s\" has changed since editing started");
|
|
|
6012 else if (orig_mode != buf->b_orig_mode)
|
|
|
6013 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started");
|
|
|
6014 }
|
|
|
6015 }
|
|
|
6016 }
|
|
|
6017
|
|
|
6018 }
|
|
|
6019 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W)
|
|
|
6020 && vim_fexists(buf->b_ffname))
|
|
|
6021 {
|
|
|
6022 retval = 1;
|
|
|
6023 mesg = _("W13: Warning: File \"%s\" has been created after editing started");
|
|
|
6024 buf->b_flags |= BF_NEW_W;
|
|
|
6025 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
6026 can_reload = TRUE;
|
|
|
6027 #endif
|
|
|
6028 }
|
|
|
6029
|
|
|
6030 if (mesg != NULL)
|
|
|
6031 {
|
|
|
6032 path = home_replace_save(buf, buf->b_fname);
|
|
|
6033 if (path != NULL)
|
|
|
6034 {
|
|
|
6035 if (helpmesg)
|
|
|
6036 mesg2 = _("See \":help W11\" for more info.");
|
|
|
6037 else
|
|
|
6038 mesg2 = "";
|
|
|
6039 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg)
|
|
|
6040 + STRLEN(mesg2) + 2));
|
|
|
6041 sprintf((char *)tbuf, mesg, path);
|
|
|
6042 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
6043 if (can_reload)
|
|
|
6044 {
|
|
|
6045 if (*mesg2 != NUL)
|
|
|
6046 {
|
|
|
6047 STRCAT(tbuf, "\n");
|
|
|
6048 STRCAT(tbuf, mesg2);
|
|
|
6049 }
|
|
|
6050 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf,
|
|
|
6051 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2)
|
|
|
6052 reload = TRUE;
|
|
|
6053 }
|
|
|
6054 else
|
|
|
6055 #endif
|
|
|
6056 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned)
|
|
|
6057 {
|
|
|
6058 if (*mesg2 != NUL)
|
|
|
6059 {
|
|
|
6060 STRCAT(tbuf, "; ");
|
|
|
6061 STRCAT(tbuf, mesg2);
|
|
|
6062 }
|
|
|
6063 EMSG(tbuf);
|
|
|
6064 retval = 2;
|
|
|
6065 }
|
|
|
6066 else
|
|
|
6067 {
|
|
8
|
6068 # ifdef FEAT_AUTOCMD
|
|
7
|
6069 if (!autocmd_busy)
|
|
8
|
6070 # endif
|
|
7
|
6071 {
|
|
|
6072 msg_start();
|
|
|
6073 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST);
|
|
|
6074 if (*mesg2 != NUL)
|
|
|
6075 msg_puts_attr((char_u *)mesg2,
|
|
|
6076 hl_attr(HLF_W) + MSG_HIST);
|
|
|
6077 msg_clr_eos();
|
|
|
6078 (void)msg_end();
|
|
|
6079 if (emsg_silent == 0)
|
|
|
6080 {
|
|
|
6081 out_flush();
|
|
8
|
6082 # ifdef FEAT_GUI
|
|
7
|
6083 if (!focus)
|
|
8
|
6084 # endif
|
|
7
|
6085 /* give the user some time to think about it */
|
|
|
6086 ui_delay(1000L, TRUE);
|
|
|
6087
|
|
|
6088 /* don't redraw and erase the message */
|
|
|
6089 redraw_cmdline = FALSE;
|
|
|
6090 }
|
|
|
6091 }
|
|
|
6092 already_warned = TRUE;
|
|
|
6093 }
|
|
|
6094
|
|
|
6095 vim_free(path);
|
|
|
6096 vim_free(tbuf);
|
|
|
6097 }
|
|
|
6098 }
|
|
|
6099
|
|
|
6100 if (reload)
|
|
|
6101 {
|
|
|
6102 exarg_T ea;
|
|
|
6103 pos_T old_cursor;
|
|
|
6104 linenr_T old_topline;
|
|
|
6105 int old_ro = buf->b_p_ro;
|
|
|
6106 buf_T *savebuf;
|
|
|
6107 int saved = OK;
|
|
|
6108 #ifdef FEAT_AUTOCMD
|
|
|
6109 aco_save_T aco;
|
|
|
6110
|
|
|
6111 /* set curwin/curbuf for "buf" and save some things */
|
|
|
6112 aucmd_prepbuf(&aco, buf);
|
|
|
6113 #else
|
|
|
6114 buf_T *save_curbuf = curbuf;
|
|
|
6115
|
|
|
6116 curbuf = buf;
|
|
|
6117 curwin->w_buffer = buf;
|
|
|
6118 #endif
|
|
|
6119
|
|
|
6120 /* We only want to read the text from the file, not reset the syntax
|
|
|
6121 * highlighting, clear marks, diff status, etc. Force the fileformat
|
|
|
6122 * and encoding to be the same. */
|
|
|
6123 if (prep_exarg(&ea, buf) == OK)
|
|
|
6124 {
|
|
|
6125 old_cursor = curwin->w_cursor;
|
|
|
6126 old_topline = curwin->w_topline;
|
|
|
6127
|
|
|
6128 /*
|
|
|
6129 * To behave like when a new file is edited (matters for
|
|
|
6130 * BufReadPost autocommands) we first need to delete the current
|
|
|
6131 * buffer contents. But if reading the file fails we should keep
|
|
|
6132 * the old contents. Can't use memory only, the file might be
|
|
|
6133 * too big. Use a hidden buffer to move the buffer contents to.
|
|
|
6134 */
|
|
|
6135 if (bufempty())
|
|
|
6136 savebuf = NULL;
|
|
|
6137 else
|
|
|
6138 {
|
|
|
6139 /* Allocate a buffer without putting it in the buffer list. */
|
|
|
6140 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY);
|
|
|
6141 if (savebuf != NULL)
|
|
|
6142 {
|
|
|
6143 /* Open the memline. */
|
|
|
6144 curbuf = savebuf;
|
|
|
6145 curwin->w_buffer = savebuf;
|
|
|
6146 saved = ml_open();
|
|
|
6147 curbuf = buf;
|
|
|
6148 curwin->w_buffer = buf;
|
|
|
6149 }
|
|
|
6150 if (savebuf == NULL || saved == FAIL
|
|
|
6151 || move_lines(buf, savebuf) == FAIL)
|
|
|
6152 {
|
|
|
6153 EMSG2(_("E462: Could not prepare for reloading \"%s\""),
|
|
|
6154 buf->b_fname);
|
|
|
6155 saved = FAIL;
|
|
|
6156 }
|
|
|
6157 }
|
|
|
6158
|
|
|
6159 if (saved == OK)
|
|
|
6160 {
|
|
|
6161 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */
|
|
|
6162 #ifdef FEAT_AUTOCMD
|
|
|
6163 keep_filetype = TRUE; /* don't detect 'filetype' */
|
|
|
6164 #endif
|
|
|
6165 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0,
|
|
|
6166 (linenr_T)0,
|
|
|
6167 (linenr_T)MAXLNUM, &ea, READ_NEW) == FAIL)
|
|
|
6168 {
|
|
|
6169 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
|
|
|
6170 if (!aborting())
|
|
|
6171 #endif
|
|
|
6172 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname);
|
|
|
6173 if (savebuf != NULL)
|
|
|
6174 {
|
|
|
6175 /* Put the text back from the save buffer. First
|
|
|
6176 * delete any lines that readfile() added. */
|
|
|
6177 while (!bufempty())
|
|
|
6178 if (ml_delete(curbuf->b_ml.ml_line_count, FALSE)
|
|
|
6179 == FAIL)
|
|
|
6180 break;
|
|
|
6181 (void)move_lines(savebuf, buf);
|
|
|
6182 }
|
|
|
6183 }
|
|
|
6184 else
|
|
|
6185 {
|
|
|
6186 /* Mark the buffer as unmodified and free undo info. */
|
|
|
6187 unchanged(buf, TRUE);
|
|
|
6188 u_blockfree(buf);
|
|
|
6189 u_clearall(buf);
|
|
|
6190 }
|
|
|
6191 }
|
|
|
6192 vim_free(ea.cmd);
|
|
|
6193
|
|
|
6194 if (savebuf != NULL)
|
|
|
6195 wipe_buffer(savebuf, FALSE);
|
|
|
6196
|
|
|
6197 #ifdef FEAT_DIFF
|
|
|
6198 /* Invalidate diff info if necessary. */
|
|
|
6199 diff_invalidate();
|
|
|
6200 #endif
|
|
|
6201
|
|
|
6202 /* Restore the topline and cursor position and check it (lines may
|
|
|
6203 * have been removed). */
|
|
|
6204 if (old_topline > curbuf->b_ml.ml_line_count)
|
|
|
6205 curwin->w_topline = curbuf->b_ml.ml_line_count;
|
|
|
6206 else
|
|
|
6207 curwin->w_topline = old_topline;
|
|
|
6208 curwin->w_cursor = old_cursor;
|
|
|
6209 check_cursor();
|
|
|
6210 update_topline();
|
|
|
6211 #ifdef FEAT_AUTOCMD
|
|
|
6212 keep_filetype = FALSE;
|
|
|
6213 #endif
|
|
|
6214 #ifdef FEAT_FOLDING
|
|
|
6215 {
|
|
|
6216 win_T *wp;
|
|
|
6217
|
|
|
6218 /* Update folds unless they are defined manually. */
|
|
|
6219 FOR_ALL_WINDOWS(wp)
|
|
|
6220 if (wp->w_buffer == curwin->w_buffer
|
|
|
6221 && !foldmethodIsManual(wp))
|
|
|
6222 foldUpdateAll(wp);
|
|
|
6223 }
|
|
|
6224 #endif
|
|
|
6225 /* If the mode didn't change and 'readonly' was set, keep the old
|
|
|
6226 * value; the user probably used the ":view" command. But don't
|
|
|
6227 * reset it, might have had a read error. */
|
|
|
6228 if (orig_mode == curbuf->b_orig_mode)
|
|
|
6229 curbuf->b_p_ro |= old_ro;
|
|
|
6230 }
|
|
|
6231
|
|
|
6232 #ifdef FEAT_AUTOCMD
|
|
|
6233 /* restore curwin/curbuf and a few other things */
|
|
|
6234 aucmd_restbuf(&aco);
|
|
|
6235 /* Careful: autocommands may have made "buf" invalid! */
|
|
|
6236 #else
|
|
|
6237 curwin->w_buffer = save_curbuf;
|
|
|
6238 curbuf = save_curbuf;
|
|
|
6239 #endif
|
|
|
6240 }
|
|
|
6241
|
|
|
6242 #ifdef FEAT_GUI
|
|
|
6243 /* restore this in case an autocommand has set it; it would break
|
|
|
6244 * 'mousefocus' */
|
|
|
6245 need_mouse_correct = save_mouse_correct;
|
|
|
6246 #endif
|
|
|
6247
|
|
|
6248 return retval;
|
|
|
6249 }
|
|
|
6250
|
|
|
6251 /*ARGSUSED*/
|
|
|
6252 void
|
|
|
6253 buf_store_time(buf, st, fname)
|
|
|
6254 buf_T *buf;
|
|
|
6255 struct stat *st;
|
|
|
6256 char_u *fname;
|
|
|
6257 {
|
|
|
6258 buf->b_mtime = (long)st->st_mtime;
|
|
|
6259 buf->b_orig_size = (size_t)st->st_size;
|
|
|
6260 #ifdef HAVE_ST_MODE
|
|
|
6261 buf->b_orig_mode = (int)st->st_mode;
|
|
|
6262 #else
|
|
|
6263 buf->b_orig_mode = mch_getperm(fname);
|
|
|
6264 #endif
|
|
|
6265 }
|
|
|
6266
|
|
|
6267 /*
|
|
|
6268 * Adjust the line with missing eol, used for the next write.
|
|
|
6269 * Used for do_filter(), when the input lines for the filter are deleted.
|
|
|
6270 */
|
|
|
6271 void
|
|
|
6272 write_lnum_adjust(offset)
|
|
|
6273 linenr_T offset;
|
|
|
6274 {
|
|
|
6275 if (write_no_eol_lnum) /* only if there is a missing eol */
|
|
|
6276 write_no_eol_lnum += offset;
|
|
|
6277 }
|
|
|
6278
|
|
|
6279 #if defined(TEMPDIRNAMES) || defined(PROTO)
|
|
|
6280 static long temp_count = 0; /* Temp filename counter. */
|
|
|
6281
|
|
|
6282 /*
|
|
|
6283 * Delete the temp directory and all files it contains.
|
|
|
6284 */
|
|
|
6285 void
|
|
|
6286 vim_deltempdir()
|
|
|
6287 {
|
|
|
6288 char_u **files;
|
|
|
6289 int file_count;
|
|
|
6290 int i;
|
|
|
6291
|
|
|
6292 if (vim_tempdir != NULL)
|
|
|
6293 {
|
|
|
6294 sprintf((char *)NameBuff, "%s*", vim_tempdir);
|
|
|
6295 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files,
|
|
|
6296 EW_DIR|EW_FILE|EW_SILENT) == OK)
|
|
|
6297 {
|
|
|
6298 for (i = 0; i < file_count; ++i)
|
|
|
6299 mch_remove(files[i]);
|
|
|
6300 FreeWild(file_count, files);
|
|
|
6301 }
|
|
|
6302 gettail(NameBuff)[-1] = NUL;
|
|
|
6303 (void)mch_rmdir(NameBuff);
|
|
|
6304
|
|
|
6305 vim_free(vim_tempdir);
|
|
|
6306 vim_tempdir = NULL;
|
|
|
6307 }
|
|
|
6308 }
|
|
|
6309 #endif
|
|
|
6310
|
|
|
6311 /*
|
|
|
6312 * vim_tempname(): Return a unique name that can be used for a temp file.
|
|
|
6313 *
|
|
|
6314 * The temp file is NOT created.
|
|
|
6315 *
|
|
|
6316 * The returned pointer is to allocated memory.
|
|
|
6317 * The returned pointer is NULL if no valid name was found.
|
|
|
6318 */
|
|
|
6319 /*ARGSUSED*/
|
|
|
6320 char_u *
|
|
|
6321 vim_tempname(extra_char)
|
|
|
6322 int extra_char; /* character to use in the name instead of '?' */
|
|
|
6323 {
|
|
|
6324 #ifdef USE_TMPNAM
|
|
|
6325 char_u itmp[L_tmpnam]; /* use tmpnam() */
|
|
|
6326 #else
|
|
|
6327 char_u itmp[TEMPNAMELEN];
|
|
|
6328 #endif
|
|
|
6329
|
|
|
6330 #ifdef TEMPDIRNAMES
|
|
|
6331 static char *(tempdirs[]) = {TEMPDIRNAMES};
|
|
|
6332 int i;
|
|
|
6333 long nr;
|
|
|
6334 long off;
|
|
|
6335 # ifndef EEXIST
|
|
|
6336 struct stat st;
|
|
|
6337 # endif
|
|
|
6338
|
|
|
6339 /*
|
|
|
6340 * This will create a directory for private use by this instance of Vim.
|
|
|
6341 * This is done once, and the same directory is used for all temp files.
|
|
|
6342 * This method avoids security problems because of symlink attacks et al.
|
|
|
6343 * It's also a bit faster, because we only need to check for an existing
|
|
|
6344 * file when creating the directory and not for each temp file.
|
|
|
6345 */
|
|
|
6346 if (vim_tempdir == NULL)
|
|
|
6347 {
|
|
|
6348 /*
|
|
|
6349 * Try the entries in TEMPDIRNAMES to create the temp directory.
|
|
|
6350 */
|
|
|
6351 for (i = 0; i < sizeof(tempdirs) / sizeof(char *); ++i)
|
|
|
6352 {
|
|
|
6353 /* expand $TMP, leave room for "/v1100000/999999999" */
|
|
|
6354 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20);
|
|
|
6355 if (mch_isdir(itmp)) /* directory exists */
|
|
|
6356 {
|
|
|
6357 # ifdef __EMX__
|
|
|
6358 /* If $TMP contains a forward slash (perhaps using bash or
|
|
|
6359 * tcsh), don't add a backslash, use a forward slash!
|
|
|
6360 * Adding 2 backslashes didn't work. */
|
|
|
6361 if (vim_strchr(itmp, '/') != NULL)
|
|
|
6362 STRCAT(itmp, "/");
|
|
|
6363 else
|
|
|
6364 # endif
|
|
|
6365 add_pathsep(itmp);
|
|
|
6366
|
|
|
6367 /* Get an arbitrary number of up to 6 digits. When it's
|
|
|
6368 * unlikely that it already exists it will be faster,
|
|
|
6369 * otherwise it doesn't matter. The use of mkdir() avoids any
|
|
|
6370 * security problems because of the predictable number. */
|
|
|
6371 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L;
|
|
|
6372
|
|
|
6373 /* Try up to 10000 different values until we find a name that
|
|
|
6374 * doesn't exist. */
|
|
|
6375 for (off = 0; off < 10000L; ++off)
|
|
|
6376 {
|
|
|
6377 int r;
|
|
|
6378 #if defined(UNIX) || defined(VMS)
|
|
|
6379 mode_t umask_save;
|
|
|
6380 #endif
|
|
|
6381
|
|
|
6382 sprintf((char *)itmp + STRLEN(itmp), "v%ld", nr + off);
|
|
|
6383 # ifndef EEXIST
|
|
|
6384 /* If mkdir() does not set errno to EEXIST, check for
|
|
|
6385 * existing file here. There is a race condition then,
|
|
|
6386 * although it's fail-safe. */
|
|
|
6387 if (mch_stat((char *)itmp, &st) >= 0)
|
|
|
6388 continue;
|
|
|
6389 # endif
|
|
|
6390 #if defined(UNIX) || defined(VMS)
|
|
|
6391 /* Make sure the umask doesn't remove the executable bit.
|
|
|
6392 * "repl" has been reported to use "177". */
|
|
|
6393 umask_save = umask(077);
|
|
|
6394 #endif
|
|
|
6395 r = vim_mkdir(itmp, 0700);
|
|
|
6396 #if defined(UNIX) || defined(VMS)
|
|
|
6397 (void)umask(umask_save);
|
|
|
6398 #endif
|
|
|
6399 if (r == 0)
|
|
|
6400 {
|
|
|
6401 char_u *buf;
|
|
|
6402
|
|
|
6403 /* Directory was created, use this name.
|
|
|
6404 * Expand to full path; When using the current
|
|
|
6405 * directory a ":cd" would confuse us. */
|
|
|
6406 buf = alloc((unsigned)MAXPATHL + 1);
|
|
|
6407 if (buf != NULL)
|
|
|
6408 {
|
|
|
6409 if (vim_FullName(itmp, buf, MAXPATHL, FALSE)
|
|
|
6410 == FAIL)
|
|
|
6411 STRCPY(buf, itmp);
|
|
|
6412 # ifdef __EMX__
|
|
|
6413 if (vim_strchr(buf, '/') != NULL)
|
|
|
6414 STRCAT(buf, "/");
|
|
|
6415 else
|
|
|
6416 # endif
|
|
|
6417 add_pathsep(buf);
|
|
|
6418 vim_tempdir = vim_strsave(buf);
|
|
|
6419 vim_free(buf);
|
|
|
6420 }
|
|
|
6421 break;
|
|
|
6422 }
|
|
|
6423 # ifdef EEXIST
|
|
|
6424 /* If the mkdir() didn't fail because the file/dir exists,
|
|
|
6425 * we probably can't create any dir here, try another
|
|
|
6426 * place. */
|
|
|
6427 if (errno != EEXIST)
|
|
|
6428 # endif
|
|
|
6429 break;
|
|
|
6430 }
|
|
|
6431 if (vim_tempdir != NULL)
|
|
|
6432 break;
|
|
|
6433 }
|
|
|
6434 }
|
|
|
6435 }
|
|
|
6436
|
|
|
6437 if (vim_tempdir != NULL)
|
|
|
6438 {
|
|
|
6439 /* There is no need to check if the file exists, because we own the
|
|
|
6440 * directory and nobody else creates a file in it. */
|
|
|
6441 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++);
|
|
|
6442 return vim_strsave(itmp);
|
|
|
6443 }
|
|
|
6444
|
|
|
6445 return NULL;
|
|
|
6446
|
|
|
6447 #else /* TEMPDIRNAMES */
|
|
|
6448
|
|
|
6449 # ifdef WIN3264
|
|
|
6450 char szTempFile[_MAX_PATH + 1];
|
|
|
6451 char buf4[4];
|
|
|
6452 char_u *retval;
|
|
|
6453 char_u *p;
|
|
|
6454
|
|
|
6455 STRCPY(itmp, "");
|
|
|
6456 if (GetTempPath(_MAX_PATH, szTempFile) == 0)
|
|
|
6457 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */
|
|
|
6458 strcpy(buf4, "VIM");
|
|
|
6459 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */
|
|
|
6460 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0)
|
|
|
6461 return NULL;
|
|
|
6462 /* GetTempFileName() will create the file, we don't want that */
|
|
|
6463 (void)DeleteFile(itmp);
|
|
|
6464
|
|
|
6465 /* Backslashes in a temp file name cause problems when filtering with
|
|
|
6466 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who
|
|
|
6467 * didn't set 'shellslash'. */
|
|
|
6468 retval = vim_strsave(itmp);
|
|
|
6469 if (*p_shcf == '-' || p_ssl)
|
|
|
6470 for (p = retval; *p; ++p)
|
|
|
6471 if (*p == '\\')
|
|
|
6472 *p = '/';
|
|
|
6473 return retval;
|
|
|
6474
|
|
|
6475 # else /* WIN3264 */
|
|
|
6476
|
|
|
6477 # ifdef USE_TMPNAM
|
|
|
6478 /* tmpnam() will make its own name */
|
|
|
6479 if (*tmpnam((char *)itmp) == NUL)
|
|
|
6480 return NULL;
|
|
|
6481 # else
|
|
|
6482 char_u *p;
|
|
|
6483
|
|
|
6484 # ifdef VMS_TEMPNAM
|
|
|
6485 /* mktemp() is not working on VMS. It seems to be
|
|
|
6486 * a do-nothing function. Therefore we use tempnam().
|
|
|
6487 */
|
|
|
6488 sprintf((char *)itmp, "VIM%c", extra_char);
|
|
|
6489 p = (char_u *)tempnam("tmp:", (char *)itmp);
|
|
|
6490 if (p != NULL)
|
|
|
6491 {
|
|
|
6492 /* VMS will use '.LOG' if we don't explicitly specify an extension,
|
|
|
6493 * and VIM will then be unable to find the file later */
|
|
|
6494 STRCPY(itmp, p);
|
|
|
6495 STRCAT(itmp, ".txt");
|
|
|
6496 free(p);
|
|
|
6497 }
|
|
|
6498 else
|
|
|
6499 return NULL;
|
|
|
6500 # else
|
|
|
6501 STRCPY(itmp, TEMPNAME);
|
|
|
6502 if ((p = vim_strchr(itmp, '?')) != NULL)
|
|
|
6503 *p = extra_char;
|
|
|
6504 if (mktemp((char *)itmp) == NULL)
|
|
|
6505 return NULL;
|
|
|
6506 # endif
|
|
|
6507 # endif
|
|
|
6508
|
|
|
6509 return vim_strsave(itmp);
|
|
|
6510 # endif /* WIN3264 */
|
|
|
6511 #endif /* TEMPDIRNAMES */
|
|
|
6512 }
|
|
|
6513
|
|
|
6514 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
|
|
|
6515 /*
|
|
|
6516 * Convert all backslashes in fname to forward slashes in-place.
|
|
|
6517 */
|
|
|
6518 void
|
|
|
6519 forward_slash(fname)
|
|
|
6520 char_u *fname;
|
|
|
6521 {
|
|
|
6522 char_u *p;
|
|
|
6523
|
|
|
6524 for (p = fname; *p != NUL; ++p)
|
|
|
6525 # ifdef FEAT_MBYTE
|
|
|
6526 /* The Big5 encoding can have '\' in the trail byte. */
|
|
|
6527 if (enc_dbcs != 0 && (*mb_ptr2len_check)(p) > 1)
|
|
|
6528 ++p;
|
|
|
6529 else
|
|
|
6530 # endif
|
|
|
6531 if (*p == '\\')
|
|
|
6532 *p = '/';
|
|
|
6533 }
|
|
|
6534 #endif
|
|
|
6535
|
|
|
6536
|
|
|
6537 /*
|
|
|
6538 * Code for automatic commands.
|
|
|
6539 *
|
|
|
6540 * Only included when "FEAT_AUTOCMD" has been defined.
|
|
|
6541 */
|
|
|
6542
|
|
|
6543 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
6544
|
|
|
6545 /*
|
|
|
6546 * The autocommands are stored in a list for each event.
|
|
|
6547 * Autocommands for the same pattern, that are consecutive, are joined
|
|
|
6548 * together, to avoid having to match the pattern too often.
|
|
|
6549 * The result is an array of Autopat lists, which point to AutoCmd lists:
|
|
|
6550 *
|
|
|
6551 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL
|
|
|
6552 * Autopat.cmds Autopat.cmds
|
|
|
6553 * | |
|
|
|
6554 * V V
|
|
|
6555 * AutoCmd.next AutoCmd.next
|
|
|
6556 * | |
|
|
|
6557 * V V
|
|
|
6558 * AutoCmd.next NULL
|
|
|
6559 * |
|
|
|
6560 * V
|
|
|
6561 * NULL
|
|
|
6562 *
|
|
|
6563 * first_autopat[1] --> Autopat.next --> NULL
|
|
|
6564 * Autopat.cmds
|
|
|
6565 * |
|
|
|
6566 * V
|
|
|
6567 * AutoCmd.next
|
|
|
6568 * |
|
|
|
6569 * V
|
|
|
6570 * NULL
|
|
|
6571 * etc.
|
|
|
6572 *
|
|
|
6573 * The order of AutoCmds is important, this is the order in which they were
|
|
|
6574 * defined and will have to be executed.
|
|
|
6575 */
|
|
|
6576 typedef struct AutoCmd
|
|
|
6577 {
|
|
|
6578 char_u *cmd; /* The command to be executed (NULL
|
|
|
6579 when command has been removed) */
|
|
|
6580 char nested; /* If autocommands nest here */
|
|
|
6581 char last; /* last command in list */
|
|
|
6582 #ifdef FEAT_EVAL
|
|
|
6583 scid_T scriptID; /* script ID where defined */
|
|
|
6584 #endif
|
|
|
6585 struct AutoCmd *next; /* Next AutoCmd in list */
|
|
|
6586 } AutoCmd;
|
|
|
6587
|
|
|
6588 typedef struct AutoPat
|
|
|
6589 {
|
|
|
6590 int group; /* group ID */
|
|
|
6591 char_u *pat; /* pattern as typed (NULL when pattern
|
|
|
6592 has been removed) */
|
|
|
6593 int patlen; /* strlen() of pat */
|
|
|
6594 char_u *reg_pat; /* pattern converted to regexp */
|
|
|
6595 char allow_dirs; /* Pattern may match whole path */
|
|
|
6596 char last; /* last pattern for apply_autocmds() */
|
|
|
6597 AutoCmd *cmds; /* list of commands to do */
|
|
|
6598 struct AutoPat *next; /* next AutoPat in AutoPat list */
|
|
|
6599 } AutoPat;
|
|
|
6600
|
|
|
6601 static struct event_name
|
|
|
6602 {
|
|
|
6603 char *name; /* event name */
|
|
|
6604 EVENT_T event; /* event number */
|
|
|
6605 } event_names[] =
|
|
|
6606 {
|
|
|
6607 {"BufAdd", EVENT_BUFADD},
|
|
|
6608 {"BufCreate", EVENT_BUFADD},
|
|
|
6609 {"BufDelete", EVENT_BUFDELETE},
|
|
|
6610 {"BufEnter", EVENT_BUFENTER},
|
|
|
6611 {"BufFilePost", EVENT_BUFFILEPOST},
|
|
|
6612 {"BufFilePre", EVENT_BUFFILEPRE},
|
|
|
6613 {"BufHidden", EVENT_BUFHIDDEN},
|
|
|
6614 {"BufLeave", EVENT_BUFLEAVE},
|
|
|
6615 {"BufNew", EVENT_BUFNEW},
|
|
|
6616 {"BufNewFile", EVENT_BUFNEWFILE},
|
|
|
6617 {"BufRead", EVENT_BUFREADPOST},
|
|
|
6618 {"BufReadCmd", EVENT_BUFREADCMD},
|
|
|
6619 {"BufReadPost", EVENT_BUFREADPOST},
|
|
|
6620 {"BufReadPre", EVENT_BUFREADPRE},
|
|
|
6621 {"BufUnload", EVENT_BUFUNLOAD},
|
|
|
6622 {"BufWinEnter", EVENT_BUFWINENTER},
|
|
|
6623 {"BufWinLeave", EVENT_BUFWINLEAVE},
|
|
|
6624 {"BufWipeout", EVENT_BUFWIPEOUT},
|
|
|
6625 {"BufWrite", EVENT_BUFWRITEPRE},
|
|
|
6626 {"BufWritePost", EVENT_BUFWRITEPOST},
|
|
|
6627 {"BufWritePre", EVENT_BUFWRITEPRE},
|
|
|
6628 {"BufWriteCmd", EVENT_BUFWRITECMD},
|
|
|
6629 {"CmdwinEnter", EVENT_CMDWINENTER},
|
|
|
6630 {"CmdwinLeave", EVENT_CMDWINLEAVE},
|
|
|
6631 {"EncodingChanged", EVENT_ENCODINGCHANGED},
|
|
|
6632 {"FileEncoding", EVENT_ENCODINGCHANGED},
|
|
|
6633 {"CursorHold", EVENT_CURSORHOLD},
|
|
|
6634 {"FileAppendPost", EVENT_FILEAPPENDPOST},
|
|
|
6635 {"FileAppendPre", EVENT_FILEAPPENDPRE},
|
|
|
6636 {"FileAppendCmd", EVENT_FILEAPPENDCMD},
|
|
|
6637 {"FileChangedShell",EVENT_FILECHANGEDSHELL},
|
|
|
6638 {"FileChangedRO", EVENT_FILECHANGEDRO},
|
|
|
6639 {"FileReadPost", EVENT_FILEREADPOST},
|
|
|
6640 {"FileReadPre", EVENT_FILEREADPRE},
|
|
|
6641 {"FileReadCmd", EVENT_FILEREADCMD},
|
|
|
6642 {"FileType", EVENT_FILETYPE},
|
|
|
6643 {"FileWritePost", EVENT_FILEWRITEPOST},
|
|
|
6644 {"FileWritePre", EVENT_FILEWRITEPRE},
|
|
|
6645 {"FileWriteCmd", EVENT_FILEWRITECMD},
|
|
|
6646 {"FilterReadPost", EVENT_FILTERREADPOST},
|
|
|
6647 {"FilterReadPre", EVENT_FILTERREADPRE},
|
|
|
6648 {"FilterWritePost", EVENT_FILTERWRITEPOST},
|
|
|
6649 {"FilterWritePre", EVENT_FILTERWRITEPRE},
|
|
|
6650 {"FocusGained", EVENT_FOCUSGAINED},
|
|
|
6651 {"FocusLost", EVENT_FOCUSLOST},
|
|
|
6652 {"FuncUndefined", EVENT_FUNCUNDEFINED},
|
|
|
6653 {"GUIEnter", EVENT_GUIENTER},
|
|
|
6654 {"RemoteReply", EVENT_REMOTEREPLY},
|
|
|
6655 {"StdinReadPost", EVENT_STDINREADPOST},
|
|
|
6656 {"StdinReadPre", EVENT_STDINREADPRE},
|
|
|
6657 {"Syntax", EVENT_SYNTAX},
|
|
|
6658 {"TermChanged", EVENT_TERMCHANGED},
|
|
|
6659 {"TermResponse", EVENT_TERMRESPONSE},
|
|
|
6660 {"User", EVENT_USER},
|
|
|
6661 {"VimEnter", EVENT_VIMENTER},
|
|
|
6662 {"VimLeave", EVENT_VIMLEAVE},
|
|
|
6663 {"VimLeavePre", EVENT_VIMLEAVEPRE},
|
|
|
6664 {"WinEnter", EVENT_WINENTER},
|
|
|
6665 {"WinLeave", EVENT_WINLEAVE},
|
|
|
6666 {NULL, (EVENT_T)0}
|
|
|
6667 };
|
|
|
6668
|
|
|
6669 static AutoPat *first_autopat[NUM_EVENTS] =
|
|
|
6670 {
|
|
|
6671 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6672 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6673 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6674 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6675 NULL, NULL, NULL, NULL, NULL, NULL, NULL
|
|
|
6676 };
|
|
|
6677
|
|
|
6678 /*
|
|
|
6679 * struct used to keep status while executing autocommands for an event.
|
|
|
6680 */
|
|
|
6681 typedef struct AutoPatCmd
|
|
|
6682 {
|
|
|
6683 AutoPat *curpat; /* next AutoPat to examine */
|
|
|
6684 AutoCmd *nextcmd; /* next AutoCmd to execute */
|
|
|
6685 int group; /* group being used */
|
|
|
6686 char_u *fname; /* fname to match with */
|
|
|
6687 char_u *sfname; /* sfname to match with */
|
|
|
6688 char_u *tail; /* tail of fname */
|
|
|
6689 EVENT_T event; /* current event */
|
|
|
6690 } AutoPatCmd;
|
|
|
6691
|
|
|
6692 /*
|
|
|
6693 * augroups stores a list of autocmd group names.
|
|
|
6694 */
|
|
|
6695 garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL};
|
|
|
6696 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i])
|
|
|
6697
|
|
|
6698 /*
|
|
|
6699 * The ID of the current group. Group 0 is the default one.
|
|
|
6700 */
|
|
|
6701 #define AUGROUP_DEFAULT -1 /* default autocmd group */
|
|
|
6702 #define AUGROUP_ERROR -2 /* errornouse autocmd group */
|
|
|
6703 #define AUGROUP_ALL -3 /* all autocmd groups */
|
|
|
6704 static int current_augroup = AUGROUP_DEFAULT;
|
|
|
6705
|
|
|
6706 static int au_need_clean = FALSE; /* need to delete marked patterns */
|
|
|
6707
|
|
|
6708 static void show_autocmd __ARGS((AutoPat *ap, EVENT_T event));
|
|
|
6709 static void au_remove_pat __ARGS((AutoPat *ap));
|
|
|
6710 static void au_remove_cmds __ARGS((AutoPat *ap));
|
|
|
6711 static void au_cleanup __ARGS((void));
|
|
|
6712 static int au_new_group __ARGS((char_u *name));
|
|
|
6713 static void au_del_group __ARGS((char_u *name));
|
|
|
6714 static int au_find_group __ARGS((char_u *name));
|
|
|
6715 static EVENT_T event_name2nr __ARGS((char_u *start, char_u **end));
|
|
|
6716 static char_u *event_nr2name __ARGS((EVENT_T event));
|
|
|
6717 static char_u *find_end_event __ARGS((char_u *arg, int have_group));
|
|
|
6718 static int event_ignored __ARGS((EVENT_T event));
|
|
|
6719 static int au_get_grouparg __ARGS((char_u **argp));
|
|
|
6720 static int do_autocmd_event __ARGS((EVENT_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group));
|
|
|
6721 static char_u *getnextac __ARGS((int c, void *cookie, int indent));
|
|
|
6722 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));
|
|
|
6723 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last));
|
|
|
6724
|
|
|
6725 static EVENT_T last_event;
|
|
|
6726 static int last_group;
|
|
|
6727
|
|
|
6728 /*
|
|
|
6729 * Show the autocommands for one AutoPat.
|
|
|
6730 */
|
|
|
6731 static void
|
|
|
6732 show_autocmd(ap, event)
|
|
|
6733 AutoPat *ap;
|
|
|
6734 EVENT_T event;
|
|
|
6735 {
|
|
|
6736 AutoCmd *ac;
|
|
|
6737
|
|
|
6738 /* Check for "got_int" (here and at various places below), which is set
|
|
|
6739 * when "q" has been hit for the "--more--" prompt */
|
|
|
6740 if (got_int)
|
|
|
6741 return;
|
|
|
6742 if (ap->pat == NULL) /* pattern has been removed */
|
|
|
6743 return;
|
|
|
6744
|
|
|
6745 msg_putchar('\n');
|
|
|
6746 if (got_int)
|
|
|
6747 return;
|
|
|
6748 if (event != last_event || ap->group != last_group)
|
|
|
6749 {
|
|
|
6750 if (ap->group != AUGROUP_DEFAULT)
|
|
|
6751 {
|
|
|
6752 if (AUGROUP_NAME(ap->group) == NULL)
|
|
|
6753 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E));
|
|
|
6754 else
|
|
|
6755 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T));
|
|
|
6756 msg_puts((char_u *)" ");
|
|
|
6757 }
|
|
|
6758 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T));
|
|
|
6759 last_event = event;
|
|
|
6760 last_group = ap->group;
|
|
|
6761 msg_putchar('\n');
|
|
|
6762 if (got_int)
|
|
|
6763 return;
|
|
|
6764 }
|
|
|
6765 msg_col = 4;
|
|
|
6766 msg_outtrans(ap->pat);
|
|
|
6767
|
|
|
6768 for (ac = ap->cmds; ac != NULL; ac = ac->next)
|
|
|
6769 {
|
|
|
6770 if (ac->cmd != NULL) /* skip removed commands */
|
|
|
6771 {
|
|
|
6772 if (msg_col >= 14)
|
|
|
6773 msg_putchar('\n');
|
|
|
6774 msg_col = 14;
|
|
|
6775 if (got_int)
|
|
|
6776 return;
|
|
|
6777 msg_outtrans(ac->cmd);
|
|
|
6778 if (got_int)
|
|
|
6779 return;
|
|
|
6780 if (ac->next != NULL)
|
|
|
6781 {
|
|
|
6782 msg_putchar('\n');
|
|
|
6783 if (got_int)
|
|
|
6784 return;
|
|
|
6785 }
|
|
|
6786 }
|
|
|
6787 }
|
|
|
6788 }
|
|
|
6789
|
|
|
6790 /*
|
|
|
6791 * Mark an autocommand pattern for deletion.
|
|
|
6792 */
|
|
|
6793 static void
|
|
|
6794 au_remove_pat(ap)
|
|
|
6795 AutoPat *ap;
|
|
|
6796 {
|
|
|
6797 vim_free(ap->pat);
|
|
|
6798 ap->pat = NULL;
|
|
|
6799 au_need_clean = TRUE;
|
|
|
6800 }
|
|
|
6801
|
|
|
6802 /*
|
|
|
6803 * Mark all commands for a pattern for deletion.
|
|
|
6804 */
|
|
|
6805 static void
|
|
|
6806 au_remove_cmds(ap)
|
|
|
6807 AutoPat *ap;
|
|
|
6808 {
|
|
|
6809 AutoCmd *ac;
|
|
|
6810
|
|
|
6811 for (ac = ap->cmds; ac != NULL; ac = ac->next)
|
|
|
6812 {
|
|
|
6813 vim_free(ac->cmd);
|
|
|
6814 ac->cmd = NULL;
|
|
|
6815 }
|
|
|
6816 au_need_clean = TRUE;
|
|
|
6817 }
|
|
|
6818
|
|
|
6819 /*
|
|
|
6820 * Cleanup autocommands and patterns that have been deleted.
|
|
|
6821 * This is only done when not executing autocommands.
|
|
|
6822 */
|
|
|
6823 static void
|
|
|
6824 au_cleanup()
|
|
|
6825 {
|
|
|
6826 AutoPat *ap, **prev_ap;
|
|
|
6827 AutoCmd *ac, **prev_ac;
|
|
|
6828 EVENT_T event;
|
|
|
6829
|
|
|
6830 if (autocmd_busy || !au_need_clean)
|
|
|
6831 return;
|
|
|
6832
|
|
|
6833 /* loop over all events */
|
|
|
6834 for (event = (EVENT_T)0; (int)event < (int)NUM_EVENTS;
|
|
|
6835 event = (EVENT_T)((int)event + 1))
|
|
|
6836 {
|
|
|
6837 /* loop over all autocommand patterns */
|
|
|
6838 prev_ap = &(first_autopat[(int)event]);
|
|
|
6839 for (ap = *prev_ap; ap != NULL; ap = *prev_ap)
|
|
|
6840 {
|
|
|
6841 /* loop over all commands for this pattern */
|
|
|
6842 prev_ac = &(ap->cmds);
|
|
|
6843 for (ac = *prev_ac; ac != NULL; ac = *prev_ac)
|
|
|
6844 {
|
|
|
6845 /* remove the command if the pattern is to be deleted or when
|
|
|
6846 * the command has been marked for deletion */
|
|
|
6847 if (ap->pat == NULL || ac->cmd == NULL)
|
|
|
6848 {
|
|
|
6849 *prev_ac = ac->next;
|
|
|
6850 vim_free(ac->cmd);
|
|
|
6851 vim_free(ac);
|
|
|
6852 }
|
|
|
6853 else
|
|
|
6854 prev_ac = &(ac->next);
|
|
|
6855 }
|
|
|
6856
|
|
|
6857 /* remove the pattern if it has been marked for deletion */
|
|
|
6858 if (ap->pat == NULL)
|
|
|
6859 {
|
|
|
6860 *prev_ap = ap->next;
|
|
|
6861 vim_free(ap->reg_pat);
|
|
|
6862 vim_free(ap);
|
|
|
6863 }
|
|
|
6864 else
|
|
|
6865 prev_ap = &(ap->next);
|
|
|
6866 }
|
|
|
6867 }
|
|
|
6868
|
|
|
6869 au_need_clean = FALSE;
|
|
|
6870 }
|
|
|
6871
|
|
|
6872 /*
|
|
|
6873 * Add an autocmd group name.
|
|
|
6874 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
|
|
|
6875 */
|
|
|
6876 static int
|
|
|
6877 au_new_group(name)
|
|
|
6878 char_u *name;
|
|
|
6879 {
|
|
|
6880 int i;
|
|
|
6881
|
|
|
6882 i = au_find_group(name);
|
|
|
6883 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */
|
|
|
6884 {
|
|
|
6885 /* First try using a free entry. */
|
|
|
6886 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
6887 if (AUGROUP_NAME(i) == NULL)
|
|
|
6888 break;
|
|
|
6889 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL)
|
|
|
6890 return AUGROUP_ERROR;
|
|
|
6891
|
|
|
6892 AUGROUP_NAME(i) = vim_strsave(name);
|
|
|
6893 if (AUGROUP_NAME(i) == NULL)
|
|
|
6894 return AUGROUP_ERROR;
|
|
|
6895 if (i == augroups.ga_len)
|
|
|
6896 {
|
|
|
6897 ++augroups.ga_len;
|
|
|
6898 --augroups.ga_room;
|
|
|
6899 }
|
|
|
6900 }
|
|
|
6901
|
|
|
6902 return i;
|
|
|
6903 }
|
|
|
6904
|
|
|
6905 static void
|
|
|
6906 au_del_group(name)
|
|
|
6907 char_u *name;
|
|
|
6908 {
|
|
|
6909 int i;
|
|
|
6910
|
|
|
6911 i = au_find_group(name);
|
|
|
6912 if (i == AUGROUP_ERROR) /* the group doesn't exist */
|
|
|
6913 EMSG2(_("E367: No such group: \"%s\""), name);
|
|
|
6914 else
|
|
|
6915 {
|
|
|
6916 vim_free(AUGROUP_NAME(i));
|
|
|
6917 AUGROUP_NAME(i) = NULL;
|
|
|
6918 }
|
|
|
6919 }
|
|
|
6920
|
|
|
6921 /*
|
|
|
6922 * Find the ID of an autocmd group name.
|
|
|
6923 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
|
|
|
6924 */
|
|
|
6925 static int
|
|
|
6926 au_find_group(name)
|
|
|
6927 char_u *name;
|
|
|
6928 {
|
|
|
6929 int i;
|
|
|
6930
|
|
|
6931 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
6932 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0)
|
|
|
6933 return i;
|
|
|
6934 return AUGROUP_ERROR;
|
|
|
6935 }
|
|
|
6936
|
|
|
6937 /*
|
|
|
6938 * ":augroup {name}".
|
|
|
6939 */
|
|
|
6940 void
|
|
|
6941 do_augroup(arg, del_group)
|
|
|
6942 char_u *arg;
|
|
|
6943 int del_group;
|
|
|
6944 {
|
|
|
6945 int i;
|
|
|
6946
|
|
|
6947 if (del_group)
|
|
|
6948 {
|
|
|
6949 if (*arg == NUL)
|
|
|
6950 EMSG(_(e_argreq));
|
|
|
6951 else
|
|
|
6952 au_del_group(arg);
|
|
|
6953 }
|
|
|
6954 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */
|
|
|
6955 current_augroup = AUGROUP_DEFAULT;
|
|
|
6956 else if (*arg) /* ":aug xxx": switch to group xxx */
|
|
|
6957 {
|
|
|
6958 i = au_new_group(arg);
|
|
|
6959 if (i != AUGROUP_ERROR)
|
|
|
6960 current_augroup = i;
|
|
|
6961 }
|
|
|
6962 else /* ":aug": list the group names */
|
|
|
6963 {
|
|
|
6964 msg_start();
|
|
|
6965 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
6966 {
|
|
|
6967 if (AUGROUP_NAME(i) != NULL)
|
|
|
6968 {
|
|
|
6969 msg_puts(AUGROUP_NAME(i));
|
|
|
6970 msg_puts((char_u *)" ");
|
|
|
6971 }
|
|
|
6972 }
|
|
|
6973 msg_clr_eos();
|
|
|
6974 msg_end();
|
|
|
6975 }
|
|
|
6976 }
|
|
|
6977
|
|
|
6978 /*
|
|
|
6979 * Return the event number for event name "start".
|
|
|
6980 * Return NUM_EVENTS if the event name was not found.
|
|
|
6981 * Return a pointer to the next event name in "end".
|
|
|
6982 */
|
|
|
6983 static EVENT_T
|
|
|
6984 event_name2nr(start, end)
|
|
|
6985 char_u *start;
|
|
|
6986 char_u **end;
|
|
|
6987 {
|
|
|
6988 char_u *p;
|
|
|
6989 int i;
|
|
|
6990 int len;
|
|
|
6991
|
|
|
6992 /* the event name ends with end of line, a blank or a comma */
|
|
|
6993 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p)
|
|
|
6994 ;
|
|
|
6995 for (i = 0; event_names[i].name != NULL; ++i)
|
|
|
6996 {
|
|
|
6997 len = (int)STRLEN(event_names[i].name);
|
|
|
6998 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0)
|
|
|
6999 break;
|
|
|
7000 }
|
|
|
7001 if (*p == ',')
|
|
|
7002 ++p;
|
|
|
7003 *end = p;
|
|
|
7004 if (event_names[i].name == NULL)
|
|
|
7005 return NUM_EVENTS;
|
|
|
7006 return event_names[i].event;
|
|
|
7007 }
|
|
|
7008
|
|
|
7009 /*
|
|
|
7010 * Return the name for event "event".
|
|
|
7011 */
|
|
|
7012 static char_u *
|
|
|
7013 event_nr2name(event)
|
|
|
7014 EVENT_T event;
|
|
|
7015 {
|
|
|
7016 int i;
|
|
|
7017
|
|
|
7018 for (i = 0; event_names[i].name != NULL; ++i)
|
|
|
7019 if (event_names[i].event == event)
|
|
|
7020 return (char_u *)event_names[i].name;
|
|
|
7021 return (char_u *)"Unknown";
|
|
|
7022 }
|
|
|
7023
|
|
|
7024 /*
|
|
|
7025 * Scan over the events. "*" stands for all events.
|
|
|
7026 */
|
|
|
7027 static char_u *
|
|
|
7028 find_end_event(arg, have_group)
|
|
|
7029 char_u *arg;
|
|
|
7030 int have_group; /* TRUE when group name was found */
|
|
|
7031 {
|
|
|
7032 char_u *pat;
|
|
|
7033 char_u *p;
|
|
|
7034
|
|
|
7035 if (*arg == '*')
|
|
|
7036 {
|
|
|
7037 if (arg[1] && !vim_iswhite(arg[1]))
|
|
|
7038 {
|
|
|
7039 EMSG2(_("E215: Illegal character after *: %s"), arg);
|
|
|
7040 return NULL;
|
|
|
7041 }
|
|
|
7042 pat = arg + 1;
|
|
|
7043 }
|
|
|
7044 else
|
|
|
7045 {
|
|
|
7046 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p)
|
|
|
7047 {
|
|
|
7048 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS)
|
|
|
7049 {
|
|
|
7050 if (have_group)
|
|
|
7051 EMSG2(_("E216: No such event: %s"), pat);
|
|
|
7052 else
|
|
|
7053 EMSG2(_("E216: No such group or event: %s"), pat);
|
|
|
7054 return NULL;
|
|
|
7055 }
|
|
|
7056 }
|
|
|
7057 }
|
|
|
7058 return pat;
|
|
|
7059 }
|
|
|
7060
|
|
|
7061 /*
|
|
|
7062 * Return TRUE if "event" is included in 'eventignore'.
|
|
|
7063 */
|
|
|
7064 static int
|
|
|
7065 event_ignored(event)
|
|
|
7066 EVENT_T event;
|
|
|
7067 {
|
|
|
7068 char_u *p = p_ei;
|
|
|
7069
|
|
|
7070 if (STRICMP(p_ei, "all") == 0)
|
|
|
7071 return TRUE;
|
|
|
7072
|
|
|
7073 while (*p)
|
|
|
7074 if (event_name2nr(p, &p) == event)
|
|
|
7075 return TRUE;
|
|
|
7076
|
|
|
7077 return FALSE;
|
|
|
7078 }
|
|
|
7079
|
|
|
7080 /*
|
|
|
7081 * Return OK when the contents of p_ei is valid, FAIL otherwise.
|
|
|
7082 */
|
|
|
7083 int
|
|
|
7084 check_ei()
|
|
|
7085 {
|
|
|
7086 char_u *p = p_ei;
|
|
|
7087
|
|
|
7088 if (STRICMP(p_ei, "all") == 0)
|
|
|
7089 return OK;
|
|
|
7090
|
|
|
7091 while (*p)
|
|
|
7092 if (event_name2nr(p, &p) == NUM_EVENTS)
|
|
|
7093 return FAIL;
|
|
|
7094
|
|
|
7095 return OK;
|
|
|
7096 }
|
|
|
7097
|
|
|
7098 /*
|
|
|
7099 * do_autocmd() -- implements the :autocmd command. Can be used in the
|
|
|
7100 * following ways:
|
|
|
7101 *
|
|
|
7102 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that
|
|
|
7103 * will be automatically executed for <event>
|
|
|
7104 * when editing a file matching <pat>, in
|
|
|
7105 * the current group.
|
|
|
7106 * :autocmd <event> <pat> Show the auto-commands associated with
|
|
|
7107 * <event> and <pat>.
|
|
|
7108 * :autocmd <event> Show the auto-commands associated with
|
|
|
7109 * <event>.
|
|
|
7110 * :autocmd Show all auto-commands.
|
|
|
7111 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with
|
|
|
7112 * <event> and <pat>, and add the command
|
|
|
7113 * <cmd>, for the current group.
|
|
|
7114 * :autocmd! <event> <pat> Remove all auto-commands associated with
|
|
|
7115 * <event> and <pat> for the current group.
|
|
|
7116 * :autocmd! <event> Remove all auto-commands associated with
|
|
|
7117 * <event> for the current group.
|
|
|
7118 * :autocmd! Remove ALL auto-commands for the current
|
|
|
7119 * group.
|
|
|
7120 *
|
|
|
7121 * Multiple events and patterns may be given separated by commas. Here are
|
|
|
7122 * some examples:
|
|
|
7123 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic
|
|
|
7124 * :autocmd bufleave * set tw=79 nosmartindent ic infercase
|
|
|
7125 *
|
|
|
7126 * :autocmd * *.c show all autocommands for *.c files.
|
|
|
7127 */
|
|
|
7128 void
|
|
|
7129 do_autocmd(arg, forceit)
|
|
|
7130 char_u *arg;
|
|
|
7131 int forceit;
|
|
|
7132 {
|
|
|
7133 char_u *pat;
|
|
|
7134 char_u *envpat = NULL;
|
|
|
7135 char_u *cmd;
|
|
|
7136 EVENT_T event;
|
|
|
7137 int need_free = FALSE;
|
|
|
7138 int nested = FALSE;
|
|
|
7139 int group;
|
|
|
7140
|
|
|
7141 /*
|
|
|
7142 * Check for a legal group name. If not, use AUGROUP_ALL.
|
|
|
7143 */
|
|
|
7144 group = au_get_grouparg(&arg);
|
|
|
7145 if (arg == NULL) /* out of memory */
|
|
|
7146 return;
|
|
|
7147
|
|
|
7148 /*
|
|
|
7149 * Scan over the events.
|
|
|
7150 * If we find an illegal name, return here, don't do anything.
|
|
|
7151 */
|
|
|
7152 pat = find_end_event(arg, group != AUGROUP_ALL);
|
|
|
7153 if (pat == NULL)
|
|
|
7154 return;
|
|
|
7155
|
|
|
7156 /*
|
|
|
7157 * Scan over the pattern. Put a NUL at the end.
|
|
|
7158 */
|
|
|
7159 pat = skipwhite(pat);
|
|
|
7160 cmd = pat;
|
|
|
7161 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\'))
|
|
|
7162 cmd++;
|
|
|
7163 if (*cmd)
|
|
|
7164 *cmd++ = NUL;
|
|
|
7165
|
|
|
7166 /* Expand environment variables in the pattern. Set 'shellslash', we want
|
|
|
7167 * forward slashes here. */
|
|
|
7168 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL)
|
|
|
7169 {
|
|
|
7170 #ifdef BACKSLASH_IN_FILENAME
|
|
|
7171 int p_ssl_save = p_ssl;
|
|
|
7172
|
|
|
7173 p_ssl = TRUE;
|
|
|
7174 #endif
|
|
|
7175 envpat = expand_env_save(pat);
|
|
|
7176 #ifdef BACKSLASH_IN_FILENAME
|
|
|
7177 p_ssl = p_ssl_save;
|
|
|
7178 #endif
|
|
|
7179 if (envpat != NULL)
|
|
|
7180 pat = envpat;
|
|
|
7181 }
|
|
|
7182
|
|
|
7183 /*
|
|
|
7184 * Check for "nested" flag.
|
|
|
7185 */
|
|
|
7186 cmd = skipwhite(cmd);
|
|
|
7187 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6]))
|
|
|
7188 {
|
|
|
7189 nested = TRUE;
|
|
|
7190 cmd = skipwhite(cmd + 6);
|
|
|
7191 }
|
|
|
7192
|
|
|
7193 /*
|
|
|
7194 * Find the start of the commands.
|
|
|
7195 * Expand <sfile> in it.
|
|
|
7196 */
|
|
|
7197 if (*cmd != NUL)
|
|
|
7198 {
|
|
|
7199 cmd = expand_sfile(cmd);
|
|
|
7200 if (cmd == NULL) /* some error */
|
|
|
7201 return;
|
|
|
7202 need_free = TRUE;
|
|
|
7203 }
|
|
|
7204
|
|
|
7205 /*
|
|
|
7206 * Print header when showing autocommands.
|
|
|
7207 */
|
|
|
7208 if (!forceit && *cmd == NUL)
|
|
|
7209 {
|
|
|
7210 /* Highlight title */
|
|
|
7211 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---"));
|
|
|
7212 }
|
|
|
7213
|
|
|
7214 /*
|
|
|
7215 * Loop over the events.
|
|
|
7216 */
|
|
|
7217 last_event = (EVENT_T)-1; /* for listing the event name */
|
|
|
7218 last_group = AUGROUP_ERROR; /* for listing the group name */
|
|
|
7219 if (*arg == '*' || *arg == NUL)
|
|
|
7220 {
|
|
|
7221 for (event = (EVENT_T)0; (int)event < (int)NUM_EVENTS;
|
|
|
7222 event = (EVENT_T)((int)event + 1))
|
|
|
7223 if (do_autocmd_event(event, pat,
|
|
|
7224 nested, cmd, forceit, group) == FAIL)
|
|
|
7225 break;
|
|
|
7226 }
|
|
|
7227 else
|
|
|
7228 {
|
|
|
7229 while (*arg && !vim_iswhite(*arg))
|
|
|
7230 if (do_autocmd_event(event_name2nr(arg, &arg), pat,
|
|
|
7231 nested, cmd, forceit, group) == FAIL)
|
|
|
7232 break;
|
|
|
7233 }
|
|
|
7234
|
|
|
7235 if (need_free)
|
|
|
7236 vim_free(cmd);
|
|
|
7237 vim_free(envpat);
|
|
|
7238 }
|
|
|
7239
|
|
|
7240 /*
|
|
|
7241 * Find the group ID in a ":autocmd" or ":doautocmd" argument.
|
|
|
7242 * The "argp" argument is advanced to the following argument.
|
|
|
7243 *
|
|
|
7244 * Returns the group ID, AUGROUP_ERROR for error (out of memory).
|
|
|
7245 */
|
|
|
7246 static int
|
|
|
7247 au_get_grouparg(argp)
|
|
|
7248 char_u **argp;
|
|
|
7249 {
|
|
|
7250 char_u *group_name;
|
|
|
7251 char_u *p;
|
|
|
7252 char_u *arg = *argp;
|
|
|
7253 int group = AUGROUP_ALL;
|
|
|
7254
|
|
|
7255 p = skiptowhite(arg);
|
|
|
7256 if (p > arg)
|
|
|
7257 {
|
|
|
7258 group_name = vim_strnsave(arg, (int)(p - arg));
|
|
|
7259 if (group_name == NULL) /* out of memory */
|
|
|
7260 return AUGROUP_ERROR;
|
|
|
7261 group = au_find_group(group_name);
|
|
|
7262 if (group == AUGROUP_ERROR)
|
|
|
7263 group = AUGROUP_ALL; /* no match, use all groups */
|
|
|
7264 else
|
|
|
7265 *argp = skipwhite(p); /* match, skip over group name */
|
|
|
7266 vim_free(group_name);
|
|
|
7267 }
|
|
|
7268 return group;
|
|
|
7269 }
|
|
|
7270
|
|
|
7271 /*
|
|
|
7272 * do_autocmd() for one event.
|
|
|
7273 * If *pat == NUL do for all patterns.
|
|
|
7274 * If *cmd == NUL show entries.
|
|
|
7275 * If forceit == TRUE delete entries.
|
|
|
7276 * If group is not AUGROUP_ALL, only use this group.
|
|
|
7277 */
|
|
|
7278 static int
|
|
|
7279 do_autocmd_event(event, pat, nested, cmd, forceit, group)
|
|
|
7280 EVENT_T event;
|
|
|
7281 char_u *pat;
|
|
|
7282 int nested;
|
|
|
7283 char_u *cmd;
|
|
|
7284 int forceit;
|
|
|
7285 int group;
|
|
|
7286 {
|
|
|
7287 AutoPat *ap;
|
|
|
7288 AutoPat **prev_ap;
|
|
|
7289 AutoCmd *ac;
|
|
|
7290 AutoCmd **prev_ac;
|
|
|
7291 int brace_level;
|
|
|
7292 char_u *endpat;
|
|
|
7293 int findgroup;
|
|
|
7294 int allgroups;
|
|
|
7295 int patlen;
|
|
|
7296
|
|
|
7297 if (group == AUGROUP_ALL)
|
|
|
7298 findgroup = current_augroup;
|
|
|
7299 else
|
|
|
7300 findgroup = group;
|
|
|
7301 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL);
|
|
|
7302
|
|
|
7303 /*
|
|
|
7304 * Show or delete all patterns for an event.
|
|
|
7305 */
|
|
|
7306 if (*pat == NUL)
|
|
|
7307 {
|
|
|
7308 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next)
|
|
|
7309 {
|
|
|
7310 if (forceit) /* delete the AutoPat, if it's in the current group */
|
|
|
7311 {
|
|
|
7312 if (ap->group == findgroup)
|
|
|
7313 au_remove_pat(ap);
|
|
|
7314 }
|
|
|
7315 else if (group == AUGROUP_ALL || ap->group == group)
|
|
|
7316 show_autocmd(ap, event);
|
|
|
7317 }
|
|
|
7318 }
|
|
|
7319
|
|
|
7320 /*
|
|
|
7321 * Loop through all the specified patterns.
|
|
|
7322 */
|
|
|
7323 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat))
|
|
|
7324 {
|
|
|
7325 /*
|
|
|
7326 * Find end of the pattern.
|
|
|
7327 * Watch out for a comma in braces, like "*.\{obj,o\}".
|
|
|
7328 */
|
|
|
7329 brace_level = 0;
|
|
|
7330 for (endpat = pat; *endpat && (*endpat != ',' || brace_level
|
|
|
7331 || endpat[-1] == '\\'); ++endpat)
|
|
|
7332 {
|
|
|
7333 if (*endpat == '{')
|
|
|
7334 brace_level++;
|
|
|
7335 else if (*endpat == '}')
|
|
|
7336 brace_level--;
|
|
|
7337 }
|
|
|
7338 if (pat == endpat) /* ignore single comma */
|
|
|
7339 continue;
|
|
|
7340 patlen = (int)(endpat - pat);
|
|
|
7341
|
|
|
7342 /*
|
|
|
7343 * Find AutoPat entries with this pattern.
|
|
|
7344 */
|
|
|
7345 prev_ap = &first_autopat[(int)event];
|
|
|
7346 while ((ap = *prev_ap) != NULL)
|
|
|
7347 {
|
|
|
7348 if (ap->pat != NULL)
|
|
|
7349 {
|
|
|
7350 /* Accept a pattern when:
|
|
|
7351 * - a group was specified and it's that group, or a group was
|
|
|
7352 * not specified and it's the current group, or a group was
|
|
|
7353 * not specified and we are listing
|
|
|
7354 * - the length of the pattern matches
|
|
|
7355 * - the pattern matches
|
|
|
7356 */
|
|
|
7357 if ((allgroups || ap->group == findgroup)
|
|
|
7358 && ap->patlen == patlen
|
|
|
7359 && STRNCMP(pat, ap->pat, patlen) == 0)
|
|
|
7360 {
|
|
|
7361 /*
|
|
|
7362 * Remove existing autocommands.
|
|
|
7363 * If adding any new autocmd's for this AutoPat, don't
|
|
|
7364 * delete the pattern from the autopat list, append to
|
|
|
7365 * this list.
|
|
|
7366 */
|
|
|
7367 if (forceit)
|
|
|
7368 {
|
|
|
7369 if (*cmd != NUL && ap->next == NULL)
|
|
|
7370 {
|
|
|
7371 au_remove_cmds(ap);
|
|
|
7372 break;
|
|
|
7373 }
|
|
|
7374 au_remove_pat(ap);
|
|
|
7375 }
|
|
|
7376
|
|
|
7377 /*
|
|
|
7378 * Show autocmd's for this autopat
|
|
|
7379 */
|
|
|
7380 else if (*cmd == NUL)
|
|
|
7381 show_autocmd(ap, event);
|
|
|
7382
|
|
|
7383 /*
|
|
|
7384 * Add autocmd to this autopat, if it's the last one.
|
|
|
7385 */
|
|
|
7386 else if (ap->next == NULL)
|
|
|
7387 break;
|
|
|
7388 }
|
|
|
7389 }
|
|
|
7390 prev_ap = &ap->next;
|
|
|
7391 }
|
|
|
7392
|
|
|
7393 /*
|
|
|
7394 * Add a new command.
|
|
|
7395 */
|
|
|
7396 if (*cmd != NUL)
|
|
|
7397 {
|
|
|
7398 /*
|
|
|
7399 * If the pattern we want to add a command to does appear at the
|
|
|
7400 * end of the list (or not is not in the list at all), add the
|
|
|
7401 * pattern at the end of the list.
|
|
|
7402 */
|
|
|
7403 if (ap == NULL)
|
|
|
7404 {
|
|
|
7405 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat));
|
|
|
7406 if (ap == NULL)
|
|
|
7407 return FAIL;
|
|
|
7408 ap->pat = vim_strnsave(pat, patlen);
|
|
|
7409 ap->patlen = patlen;
|
|
|
7410 if (ap->pat == NULL)
|
|
|
7411 {
|
|
|
7412 vim_free(ap);
|
|
|
7413 return FAIL;
|
|
|
7414 }
|
|
|
7415 ap->reg_pat = file_pat_to_reg_pat(pat, endpat,
|
|
|
7416 &ap->allow_dirs, TRUE);
|
|
|
7417 if (ap->reg_pat == NULL)
|
|
|
7418 {
|
|
|
7419 vim_free(ap->pat);
|
|
|
7420 vim_free(ap);
|
|
|
7421 return FAIL;
|
|
|
7422 }
|
|
|
7423 ap->cmds = NULL;
|
|
|
7424 *prev_ap = ap;
|
|
|
7425 ap->next = NULL;
|
|
|
7426 if (group == AUGROUP_ALL)
|
|
|
7427 ap->group = current_augroup;
|
|
|
7428 else
|
|
|
7429 ap->group = group;
|
|
|
7430 }
|
|
|
7431
|
|
|
7432 /*
|
|
|
7433 * Add the autocmd at the end of the AutoCmd list.
|
|
|
7434 */
|
|
|
7435 prev_ac = &(ap->cmds);
|
|
|
7436 while ((ac = *prev_ac) != NULL)
|
|
|
7437 prev_ac = &ac->next;
|
|
|
7438 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd));
|
|
|
7439 if (ac == NULL)
|
|
|
7440 return FAIL;
|
|
|
7441 ac->cmd = vim_strsave(cmd);
|
|
|
7442 #ifdef FEAT_EVAL
|
|
|
7443 ac->scriptID = current_SID;
|
|
|
7444 #endif
|
|
|
7445 if (ac->cmd == NULL)
|
|
|
7446 {
|
|
|
7447 vim_free(ac);
|
|
|
7448 return FAIL;
|
|
|
7449 }
|
|
|
7450 ac->next = NULL;
|
|
|
7451 *prev_ac = ac;
|
|
|
7452 ac->nested = nested;
|
|
|
7453 }
|
|
|
7454 }
|
|
|
7455
|
|
|
7456 au_cleanup(); /* may really delete removed patterns/commands now */
|
|
|
7457 return OK;
|
|
|
7458 }
|
|
|
7459
|
|
|
7460 /*
|
|
|
7461 * Implementation of ":doautocmd [group] event [fname]".
|
|
|
7462 * Return OK for success, FAIL for failure;
|
|
|
7463 */
|
|
|
7464 int
|
|
|
7465 do_doautocmd(arg, do_msg)
|
|
|
7466 char_u *arg;
|
|
|
7467 int do_msg; /* give message for no matching autocmds? */
|
|
|
7468 {
|
|
|
7469 char_u *fname;
|
|
|
7470 int nothing_done = TRUE;
|
|
|
7471 int group;
|
|
|
7472
|
|
|
7473 /*
|
|
|
7474 * Check for a legal group name. If not, use AUGROUP_ALL.
|
|
|
7475 */
|
|
|
7476 group = au_get_grouparg(&arg);
|
|
|
7477 if (arg == NULL) /* out of memory */
|
|
|
7478 return FAIL;
|
|
|
7479
|
|
|
7480 if (*arg == '*')
|
|
|
7481 {
|
|
|
7482 EMSG(_("E217: Can't execute autocommands for ALL events"));
|
|
|
7483 return FAIL;
|
|
|
7484 }
|
|
|
7485
|
|
|
7486 /*
|
|
|
7487 * Scan over the events.
|
|
|
7488 * If we find an illegal name, return here, don't do anything.
|
|
|
7489 */
|
|
|
7490 fname = find_end_event(arg, group != AUGROUP_ALL);
|
|
|
7491 if (fname == NULL)
|
|
|
7492 return FAIL;
|
|
|
7493
|
|
|
7494 fname = skipwhite(fname);
|
|
|
7495
|
|
|
7496 /*
|
|
|
7497 * Loop over the events.
|
|
|
7498 */
|
|
|
7499 while (*arg && !vim_iswhite(*arg))
|
|
|
7500 if (apply_autocmds_group(event_name2nr(arg, &arg),
|
|
|
7501 fname, NULL, TRUE, group, curbuf, NULL))
|
|
|
7502 nothing_done = FALSE;
|
|
|
7503
|
|
|
7504 if (nothing_done && do_msg)
|
|
|
7505 MSG(_("No matching autocommands"));
|
|
|
7506
|
|
|
7507 #ifdef FEAT_EVAL
|
|
|
7508 return aborting() ? FAIL : OK;
|
|
|
7509 #else
|
|
|
7510 return OK;
|
|
|
7511 #endif
|
|
|
7512 }
|
|
|
7513
|
|
|
7514 /*
|
|
|
7515 * ":doautoall": execute autocommands for each loaded buffer.
|
|
|
7516 */
|
|
|
7517 void
|
|
|
7518 ex_doautoall(eap)
|
|
|
7519 exarg_T *eap;
|
|
|
7520 {
|
|
|
7521 int retval;
|
|
|
7522 aco_save_T aco;
|
|
|
7523 buf_T *buf;
|
|
|
7524
|
|
|
7525 /*
|
|
|
7526 * This is a bit tricky: For some commands curwin->w_buffer needs to be
|
|
|
7527 * equal to curbuf, but for some buffers there may not be a window.
|
|
|
7528 * So we change the buffer for the current window for a moment. This
|
|
|
7529 * gives problems when the autocommands make changes to the list of
|
|
|
7530 * buffers or windows...
|
|
|
7531 */
|
|
|
7532 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
7533 {
|
|
|
7534 if (curbuf->b_ml.ml_mfp != NULL)
|
|
|
7535 {
|
|
|
7536 /* find a window for this buffer and save some values */
|
|
|
7537 aucmd_prepbuf(&aco, buf);
|
|
|
7538
|
|
|
7539 /* execute the autocommands for this buffer */
|
|
|
7540 retval = do_doautocmd(eap->arg, FALSE);
|
|
|
7541 do_modelines();
|
|
|
7542
|
|
|
7543 /* restore the current window */
|
|
|
7544 aucmd_restbuf(&aco);
|
|
|
7545
|
|
|
7546 /* stop if there is some error or buffer was deleted */
|
|
|
7547 if (retval == FAIL || !buf_valid(buf))
|
|
|
7548 break;
|
|
|
7549 }
|
|
|
7550 }
|
|
|
7551
|
|
|
7552 check_cursor(); /* just in case lines got deleted */
|
|
|
7553 }
|
|
|
7554
|
|
|
7555 /*
|
|
|
7556 * Prepare for executing autocommands for (hidden) buffer "buf".
|
|
|
7557 * Search a window for the current buffer. Save the cursor position and
|
|
|
7558 * screen offset.
|
|
|
7559 * Set "curbuf" and "curwin" to match "buf".
|
|
|
7560 */
|
|
|
7561 void
|
|
|
7562 aucmd_prepbuf(aco, buf)
|
|
|
7563 aco_save_T *aco; /* structure to save values in */
|
|
|
7564 buf_T *buf; /* new curbuf */
|
|
|
7565 {
|
|
|
7566 win_T *win;
|
|
|
7567
|
|
|
7568 aco->new_curbuf = buf;
|
|
|
7569
|
|
|
7570 /* Find a window that is for the new buffer */
|
|
|
7571 if (buf == curbuf) /* be quick when buf is curbuf */
|
|
|
7572 win = curwin;
|
|
|
7573 else
|
|
|
7574 #ifdef FEAT_WINDOWS
|
|
|
7575 for (win = firstwin; win != NULL; win = win->w_next)
|
|
|
7576 if (win->w_buffer == buf)
|
|
|
7577 break;
|
|
|
7578 #else
|
|
|
7579 win = NULL;
|
|
|
7580 #endif
|
|
|
7581
|
|
|
7582 /*
|
|
|
7583 * Prefer to use an existing window for the buffer, it has the least side
|
|
|
7584 * effects (esp. if "buf" is curbuf).
|
|
|
7585 * Otherwise, use curwin for "buf". It might make some items in the
|
|
|
7586 * window invalid. At least save the cursor and topline.
|
|
|
7587 */
|
|
|
7588 if (win != NULL)
|
|
|
7589 {
|
|
|
7590 /* there is a window for "buf", make it the curwin */
|
|
|
7591 aco->save_curwin = curwin;
|
|
|
7592 curwin = win;
|
|
|
7593 aco->save_buf = win->w_buffer;
|
|
|
7594 aco->new_curwin = win;
|
|
|
7595 }
|
|
|
7596 else
|
|
|
7597 {
|
|
|
7598 /* there is no window for "buf", use curwin */
|
|
|
7599 aco->save_curwin = NULL;
|
|
|
7600 aco->save_buf = curbuf;
|
|
|
7601 --curbuf->b_nwindows;
|
|
|
7602 curwin->w_buffer = buf;
|
|
|
7603 ++buf->b_nwindows;
|
|
|
7604
|
|
|
7605 /* save cursor and topline, set them to safe values */
|
|
|
7606 aco->save_cursor = curwin->w_cursor;
|
|
|
7607 curwin->w_cursor.lnum = 1;
|
|
|
7608 curwin->w_cursor.col = 0;
|
|
|
7609 aco->save_topline = curwin->w_topline;
|
|
|
7610 curwin->w_topline = 1;
|
|
|
7611 #ifdef FEAT_DIFF
|
|
|
7612 aco->save_topfill = curwin->w_topfill;
|
|
|
7613 curwin->w_topfill = 0;
|
|
|
7614 #endif
|
|
|
7615 }
|
|
|
7616
|
|
|
7617 curbuf = buf;
|
|
|
7618 }
|
|
|
7619
|
|
|
7620 /*
|
|
|
7621 * Cleanup after executing autocommands for a (hidden) buffer.
|
|
|
7622 * Restore the window as it was (if possible).
|
|
|
7623 */
|
|
|
7624 void
|
|
|
7625 aucmd_restbuf(aco)
|
|
|
7626 aco_save_T *aco; /* structure holding saved values */
|
|
|
7627 {
|
|
|
7628 if (aco->save_curwin != NULL)
|
|
|
7629 {
|
|
|
7630 /* restore curwin */
|
|
|
7631 #ifdef FEAT_WINDOWS
|
|
|
7632 if (win_valid(aco->save_curwin))
|
|
|
7633 #endif
|
|
|
7634 {
|
|
|
7635 /* restore the buffer which was previously edited by curwin, if
|
|
|
7636 * it's still the same window and it's valid */
|
|
|
7637 if (curwin == aco->new_curwin
|
|
|
7638 && buf_valid(aco->save_buf)
|
|
|
7639 && aco->save_buf->b_ml.ml_mfp != NULL)
|
|
|
7640 {
|
|
|
7641 --curbuf->b_nwindows;
|
|
|
7642 curbuf = aco->save_buf;
|
|
|
7643 curwin->w_buffer = curbuf;
|
|
|
7644 ++curbuf->b_nwindows;
|
|
|
7645 }
|
|
|
7646
|
|
|
7647 curwin = aco->save_curwin;
|
|
|
7648 curbuf = curwin->w_buffer;
|
|
|
7649 }
|
|
|
7650 }
|
|
|
7651 else
|
|
|
7652 {
|
|
|
7653 /* restore buffer for curwin if it still exists and is loaded */
|
|
|
7654 if (buf_valid(aco->save_buf) && aco->save_buf->b_ml.ml_mfp != NULL)
|
|
|
7655 {
|
|
|
7656 --curbuf->b_nwindows;
|
|
|
7657 curbuf = aco->save_buf;
|
|
|
7658 curwin->w_buffer = curbuf;
|
|
|
7659 ++curbuf->b_nwindows;
|
|
|
7660 curwin->w_cursor = aco->save_cursor;
|
|
|
7661 check_cursor();
|
|
|
7662 /* check topline < line_count, in case lines got deleted */
|
|
|
7663 if (aco->save_topline <= curbuf->b_ml.ml_line_count)
|
|
|
7664 {
|
|
|
7665 curwin->w_topline = aco->save_topline;
|
|
|
7666 #ifdef FEAT_DIFF
|
|
|
7667 curwin->w_topfill = aco->save_topfill;
|
|
|
7668 #endif
|
|
|
7669 }
|
|
|
7670 else
|
|
|
7671 {
|
|
|
7672 curwin->w_topline = curbuf->b_ml.ml_line_count;
|
|
|
7673 #ifdef FEAT_DIFF
|
|
|
7674 curwin->w_topfill = 0;
|
|
|
7675 #endif
|
|
|
7676 }
|
|
|
7677 }
|
|
|
7678 }
|
|
|
7679 }
|
|
|
7680
|
|
|
7681 static int autocmd_nested = FALSE;
|
|
|
7682
|
|
|
7683 /*
|
|
|
7684 * Execute autocommands for "event" and file name "fname".
|
|
|
7685 * Return TRUE if some commands were executed.
|
|
|
7686 */
|
|
|
7687 int
|
|
|
7688 apply_autocmds(event, fname, fname_io, force, buf)
|
|
|
7689 EVENT_T event;
|
|
|
7690 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
7691 char_u *fname_io; /* fname to use for <afile> on cmdline */
|
|
|
7692 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
7693 buf_T *buf; /* buffer for <abuf> */
|
|
|
7694 {
|
|
|
7695 return apply_autocmds_group(event, fname, fname_io, force,
|
|
|
7696 AUGROUP_ALL, buf, NULL);
|
|
|
7697 }
|
|
|
7698
|
|
|
7699 /*
|
|
|
7700 * Like apply_autocmds(), but with extra "eap" argument. This takes care of
|
|
|
7701 * setting v:filearg.
|
|
|
7702 */
|
|
|
7703 static int
|
|
|
7704 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap)
|
|
|
7705 EVENT_T event;
|
|
|
7706 char_u *fname;
|
|
|
7707 char_u *fname_io;
|
|
|
7708 int force;
|
|
|
7709 buf_T *buf;
|
|
|
7710 exarg_T *eap;
|
|
|
7711 {
|
|
|
7712 return apply_autocmds_group(event, fname, fname_io, force,
|
|
|
7713 AUGROUP_ALL, buf, eap);
|
|
|
7714 }
|
|
|
7715
|
|
|
7716 /*
|
|
|
7717 * Like apply_autocmds(), but handles the caller's retval. If the script
|
|
|
7718 * processing is being aborted or if retval is FAIL when inside a try
|
|
|
7719 * conditional, no autocommands are executed. If otherwise the autocommands
|
|
|
7720 * cause the script to be aborted, retval is set to FAIL.
|
|
|
7721 */
|
|
|
7722 int
|
|
|
7723 apply_autocmds_retval(event, fname, fname_io, force, buf, retval)
|
|
|
7724 EVENT_T event;
|
|
|
7725 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
7726 char_u *fname_io; /* fname to use for <afile> on cmdline */
|
|
|
7727 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
7728 buf_T *buf; /* buffer for <abuf> */
|
|
|
7729 int *retval; /* pointer to caller's retval */
|
|
|
7730 {
|
|
|
7731 int did_cmd;
|
|
|
7732
|
|
|
7733 if (should_abort(*retval))
|
|
|
7734 return FALSE;
|
|
|
7735
|
|
|
7736 did_cmd = apply_autocmds_group(event, fname, fname_io, force,
|
|
|
7737 AUGROUP_ALL, buf, NULL);
|
|
|
7738 if (did_cmd && aborting())
|
|
|
7739 *retval = FAIL;
|
|
|
7740 return did_cmd;
|
|
|
7741 }
|
|
|
7742
|
|
|
7743 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
7744 int
|
|
|
7745 has_cursorhold()
|
|
|
7746 {
|
|
|
7747 return (first_autopat[(int)EVENT_CURSORHOLD] != NULL);
|
|
|
7748 }
|
|
|
7749 #endif
|
|
|
7750
|
|
|
7751 static int
|
|
|
7752 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap)
|
|
|
7753 EVENT_T event;
|
|
|
7754 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
7755 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means
|
|
|
7756 use fname */
|
|
|
7757 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
7758 int group; /* group ID, or AUGROUP_ALL */
|
|
|
7759 buf_T *buf; /* buffer for <abuf> */
|
|
|
7760 exarg_T *eap; /* command arguments */
|
|
|
7761 {
|
|
|
7762 char_u *sfname = NULL; /* short file name */
|
|
|
7763 char_u *tail;
|
|
|
7764 int save_changed;
|
|
|
7765 buf_T *old_curbuf;
|
|
|
7766 int retval = FALSE;
|
|
|
7767 char_u *save_sourcing_name;
|
|
|
7768 linenr_T save_sourcing_lnum;
|
|
|
7769 char_u *save_autocmd_fname;
|
|
|
7770 int save_autocmd_bufnr;
|
|
|
7771 char_u *save_autocmd_match;
|
|
|
7772 int save_autocmd_busy;
|
|
|
7773 int save_autocmd_nested;
|
|
|
7774 static int nesting = 0;
|
|
|
7775 AutoPatCmd patcmd;
|
|
|
7776 AutoPat *ap;
|
|
|
7777 #ifdef FEAT_EVAL
|
|
|
7778 scid_T save_current_SID;
|
|
|
7779 void *save_funccalp;
|
|
|
7780 char_u *save_cmdarg;
|
|
|
7781 long save_cmdbang;
|
|
|
7782 #endif
|
|
|
7783 static int filechangeshell_busy = FALSE;
|
|
|
7784
|
|
|
7785 /*
|
|
|
7786 * Quickly return if there are no autocommands for this event or
|
|
|
7787 * autocommands are blocked.
|
|
|
7788 */
|
|
|
7789 if (first_autopat[(int)event] == NULL || autocmd_block > 0)
|
|
|
7790 return retval;
|
|
|
7791
|
|
|
7792 /*
|
|
|
7793 * When autocommands are busy, new autocommands are only executed when
|
|
|
7794 * explicitly enabled with the "nested" flag.
|
|
|
7795 */
|
|
|
7796 if (autocmd_busy && !(force || autocmd_nested))
|
|
|
7797 return retval;
|
|
|
7798
|
|
|
7799 #ifdef FEAT_EVAL
|
|
|
7800 /*
|
|
|
7801 * Quickly return when immdediately aborting on error, or when an interrupt
|
|
|
7802 * occurred or an exception was thrown but not caught.
|
|
|
7803 */
|
|
|
7804 if (aborting())
|
|
|
7805 return retval;
|
|
|
7806 #endif
|
|
|
7807
|
|
|
7808 /*
|
|
|
7809 * FileChangedShell never nests, because it can create an endless loop.
|
|
|
7810 */
|
|
|
7811 if (filechangeshell_busy && event == EVENT_FILECHANGEDSHELL)
|
|
|
7812 return retval;
|
|
|
7813
|
|
|
7814 /*
|
|
|
7815 * Ignore events in 'eventignore'.
|
|
|
7816 */
|
|
|
7817 if (event_ignored(event))
|
|
|
7818 return retval;
|
|
|
7819
|
|
|
7820 /*
|
|
|
7821 * Allow nesting of autocommands, but restrict the depth, because it's
|
|
|
7822 * possible to create an endless loop.
|
|
|
7823 */
|
|
|
7824 if (nesting == 10)
|
|
|
7825 {
|
|
|
7826 EMSG(_("E218: autocommand nesting too deep"));
|
|
|
7827 return retval;
|
|
|
7828 }
|
|
|
7829
|
|
|
7830 /*
|
|
|
7831 * Check if these autocommands are disabled. Used when doing ":all" or
|
|
|
7832 * ":ball".
|
|
|
7833 */
|
|
|
7834 if ( (autocmd_no_enter
|
|
|
7835 && (event == EVENT_WINENTER || event == EVENT_BUFENTER))
|
|
|
7836 || (autocmd_no_leave
|
|
|
7837 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE)))
|
|
|
7838 return retval;
|
|
|
7839
|
|
|
7840 /*
|
|
|
7841 * Save the autocmd_* variables and info about the current buffer.
|
|
|
7842 */
|
|
|
7843 save_autocmd_fname = autocmd_fname;
|
|
|
7844 save_autocmd_bufnr = autocmd_bufnr;
|
|
|
7845 save_autocmd_match = autocmd_match;
|
|
|
7846 save_autocmd_busy = autocmd_busy;
|
|
|
7847 save_autocmd_nested = autocmd_nested;
|
|
|
7848 save_changed = curbuf->b_changed;
|
|
|
7849 old_curbuf = curbuf;
|
|
|
7850
|
|
|
7851 /*
|
|
|
7852 * Set the file name to be used for <afile>.
|
|
|
7853 */
|
|
|
7854 if (fname_io == NULL)
|
|
|
7855 {
|
|
|
7856 if (fname != NULL && *fname != NUL)
|
|
|
7857 autocmd_fname = fname;
|
|
|
7858 else if (buf != NULL)
|
|
|
7859 autocmd_fname = buf->b_fname;
|
|
|
7860 else
|
|
|
7861 autocmd_fname = NULL;
|
|
|
7862 }
|
|
|
7863 else
|
|
|
7864 autocmd_fname = fname_io;
|
|
|
7865
|
|
|
7866 /*
|
|
|
7867 * Set the buffer number to be used for <abuf>.
|
|
|
7868 */
|
|
|
7869 if (buf == NULL)
|
|
|
7870 autocmd_bufnr = 0;
|
|
|
7871 else
|
|
|
7872 autocmd_bufnr = buf->b_fnum;
|
|
|
7873
|
|
|
7874 /*
|
|
|
7875 * When the file name is NULL or empty, use the file name of buffer "buf".
|
|
|
7876 * Always use the full path of the file name to match with, in case
|
|
|
7877 * "allow_dirs" is set.
|
|
|
7878 */
|
|
|
7879 if (fname == NULL || *fname == NUL)
|
|
|
7880 {
|
|
|
7881 if (buf == NULL)
|
|
|
7882 fname = NULL;
|
|
|
7883 else
|
|
|
7884 {
|
|
|
7885 #ifdef FEAT_SYN_HL
|
|
|
7886 if (event == EVENT_SYNTAX)
|
|
|
7887 fname = buf->b_p_syn;
|
|
|
7888 else
|
|
|
7889 #endif
|
|
|
7890 if (event == EVENT_FILETYPE)
|
|
|
7891 fname = buf->b_p_ft;
|
|
|
7892 else
|
|
|
7893 {
|
|
|
7894 if (buf->b_sfname != NULL)
|
|
|
7895 sfname = vim_strsave(buf->b_sfname);
|
|
|
7896 fname = buf->b_ffname;
|
|
|
7897 }
|
|
|
7898 }
|
|
|
7899 if (fname == NULL)
|
|
|
7900 fname = (char_u *)"";
|
|
|
7901 fname = vim_strsave(fname); /* make a copy, so we can change it */
|
|
|
7902 }
|
|
|
7903 else
|
|
|
7904 {
|
|
|
7905 sfname = vim_strsave(fname);
|
|
|
7906 /* Don't try expanding FileType, Syntax or WindowID. */
|
|
|
7907 if (event == EVENT_FILETYPE || event == EVENT_SYNTAX
|
|
|
7908 || event == EVENT_REMOTEREPLY)
|
|
|
7909 fname = vim_strsave(fname);
|
|
|
7910 else
|
|
|
7911 fname = FullName_save(fname, FALSE);
|
|
|
7912 }
|
|
|
7913 if (fname == NULL) /* out of memory */
|
|
|
7914 {
|
|
|
7915 vim_free(sfname);
|
|
|
7916 return FALSE;
|
|
|
7917 }
|
|
|
7918
|
|
|
7919 #ifdef BACKSLASH_IN_FILENAME
|
|
|
7920 /*
|
|
|
7921 * Replace all backslashes with forward slashes. This makes the
|
|
|
7922 * autocommand patterns portable between Unix and MS-DOS.
|
|
|
7923 */
|
|
|
7924 if (sfname != NULL)
|
|
|
7925 forward_slash(sfname);
|
|
|
7926 forward_slash(fname);
|
|
|
7927 #endif
|
|
|
7928
|
|
|
7929 #ifdef VMS
|
|
|
7930 /* remove version for correct match */
|
|
|
7931 if (sfname != NULL)
|
|
|
7932 vms_remove_version(sfname);
|
|
|
7933 vms_remove_version(fname);
|
|
|
7934 #endif
|
|
|
7935
|
|
|
7936 /*
|
|
|
7937 * Set the name to be used for <amatch>.
|
|
|
7938 */
|
|
|
7939 autocmd_match = fname;
|
|
|
7940
|
|
|
7941
|
|
|
7942 /* Don't redraw while doing auto commands. */
|
|
|
7943 ++RedrawingDisabled;
|
|
|
7944 save_sourcing_name = sourcing_name;
|
|
|
7945 sourcing_name = NULL; /* don't free this one */
|
|
|
7946 save_sourcing_lnum = sourcing_lnum;
|
|
|
7947 sourcing_lnum = 0; /* no line number here */
|
|
|
7948
|
|
|
7949 #ifdef FEAT_EVAL
|
|
|
7950 save_current_SID = current_SID;
|
|
|
7951
|
|
|
7952 /* Don't use local function variables, if called from a function */
|
|
|
7953 save_funccalp = save_funccal();
|
|
|
7954 #endif
|
|
|
7955
|
|
|
7956 /*
|
|
|
7957 * When starting to execute autocommands, save the search patterns.
|
|
|
7958 */
|
|
|
7959 if (!autocmd_busy)
|
|
|
7960 {
|
|
|
7961 save_search_patterns();
|
|
|
7962 saveRedobuff();
|
|
|
7963 did_filetype = keep_filetype;
|
|
|
7964 }
|
|
|
7965
|
|
|
7966 /*
|
|
|
7967 * Note that we are applying autocmds. Some commands need to know.
|
|
|
7968 */
|
|
|
7969 autocmd_busy = TRUE;
|
|
|
7970 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL);
|
|
|
7971 ++nesting; /* see matching decrement below */
|
|
|
7972
|
|
|
7973 /* Remember that FileType was triggered. Used for did_filetype(). */
|
|
|
7974 if (event == EVENT_FILETYPE)
|
|
|
7975 did_filetype = TRUE;
|
|
|
7976
|
|
|
7977 tail = gettail(fname);
|
|
|
7978
|
|
|
7979 /* Find first autocommand that matches */
|
|
|
7980 patcmd.curpat = first_autopat[(int)event];
|
|
|
7981 patcmd.nextcmd = NULL;
|
|
|
7982 patcmd.group = group;
|
|
|
7983 patcmd.fname = fname;
|
|
|
7984 patcmd.sfname = sfname;
|
|
|
7985 patcmd.tail = tail;
|
|
|
7986 patcmd.event = event;
|
|
|
7987 auto_next_pat(&patcmd, FALSE);
|
|
|
7988
|
|
|
7989 /* found one, start executing the autocommands */
|
|
|
7990 if (patcmd.curpat != NULL)
|
|
|
7991 {
|
|
|
7992 #ifdef FEAT_EVAL
|
|
|
7993 /* set v:cmdarg (only when there is a matching pattern) */
|
|
|
7994 save_cmdbang = get_vim_var_nr(VV_CMDBANG);
|
|
|
7995 if (eap != NULL)
|
|
|
7996 {
|
|
|
7997 save_cmdarg = set_cmdarg(eap, NULL);
|
|
|
7998 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit);
|
|
|
7999 }
|
|
|
8000 else
|
|
|
8001 save_cmdarg = NULL; /* avoid gcc warning */
|
|
|
8002 #endif
|
|
|
8003 retval = TRUE;
|
|
|
8004 /* mark the last pattern, to avoid an endless loop when more patterns
|
|
|
8005 * are added when executing autocommands */
|
|
|
8006 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next)
|
|
|
8007 ap->last = FALSE;
|
|
|
8008 ap->last = TRUE;
|
|
|
8009 check_lnums(TRUE); /* make sure cursor and topline are valid */
|
|
|
8010 do_cmdline(NULL, getnextac, (void *)&patcmd,
|
|
|
8011 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
8012 #ifdef FEAT_EVAL
|
|
|
8013 if (eap != NULL)
|
|
|
8014 {
|
|
|
8015 (void)set_cmdarg(NULL, save_cmdarg);
|
|
|
8016 set_vim_var_nr(VV_CMDBANG, save_cmdbang);
|
|
|
8017 }
|
|
|
8018 #endif
|
|
|
8019 }
|
|
|
8020
|
|
|
8021 --RedrawingDisabled;
|
|
|
8022 autocmd_busy = save_autocmd_busy;
|
|
|
8023 filechangeshell_busy = FALSE;
|
|
|
8024 autocmd_nested = save_autocmd_nested;
|
|
|
8025 vim_free(sourcing_name);
|
|
|
8026 sourcing_name = save_sourcing_name;
|
|
|
8027 sourcing_lnum = save_sourcing_lnum;
|
|
|
8028 autocmd_fname = save_autocmd_fname;
|
|
|
8029 autocmd_bufnr = save_autocmd_bufnr;
|
|
|
8030 autocmd_match = save_autocmd_match;
|
|
|
8031 #ifdef FEAT_EVAL
|
|
|
8032 current_SID = save_current_SID;
|
|
|
8033 restore_funccal(save_funccalp);
|
|
|
8034 #endif
|
|
|
8035 vim_free(fname);
|
|
|
8036 vim_free(sfname);
|
|
|
8037 --nesting; /* see matching increment above */
|
|
|
8038
|
|
|
8039 /*
|
|
|
8040 * When stopping to execute autocommands, restore the search patterns and
|
|
|
8041 * the redo buffer.
|
|
|
8042 */
|
|
|
8043 if (!autocmd_busy)
|
|
|
8044 {
|
|
|
8045 restore_search_patterns();
|
|
|
8046 restoreRedobuff();
|
|
|
8047 did_filetype = FALSE;
|
|
|
8048 }
|
|
|
8049
|
|
|
8050 /*
|
|
|
8051 * Some events don't set or reset the Changed flag.
|
|
|
8052 * Check if still in the same buffer!
|
|
|
8053 */
|
|
|
8054 if (curbuf == old_curbuf
|
|
|
8055 && (event == EVENT_BUFREADPOST
|
|
|
8056 || event == EVENT_BUFWRITEPOST
|
|
|
8057 || event == EVENT_FILEAPPENDPOST
|
|
|
8058 || event == EVENT_VIMLEAVE
|
|
|
8059 || event == EVENT_VIMLEAVEPRE))
|
|
|
8060 {
|
|
|
8061 #ifdef FEAT_TITLE
|
|
|
8062 if (curbuf->b_changed != save_changed)
|
|
|
8063 need_maketitle = TRUE;
|
|
|
8064 #endif
|
|
|
8065 curbuf->b_changed = save_changed;
|
|
|
8066 }
|
|
|
8067
|
|
|
8068 au_cleanup(); /* may really delete removed patterns/commands now */
|
|
|
8069 return retval;
|
|
|
8070 }
|
|
|
8071
|
|
|
8072 /*
|
|
|
8073 * Find next autocommand pattern that matches.
|
|
|
8074 */
|
|
|
8075 static void
|
|
|
8076 auto_next_pat(apc, stop_at_last)
|
|
|
8077 AutoPatCmd *apc;
|
|
|
8078 int stop_at_last; /* stop when 'last' flag is set */
|
|
|
8079 {
|
|
|
8080 AutoPat *ap;
|
|
|
8081 AutoCmd *cp;
|
|
|
8082 char_u *name;
|
|
|
8083 char *s;
|
|
|
8084
|
|
|
8085 vim_free(sourcing_name);
|
|
|
8086 sourcing_name = NULL;
|
|
|
8087
|
|
|
8088 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next)
|
|
|
8089 {
|
|
|
8090 apc->curpat = NULL;
|
|
|
8091
|
|
|
8092 /* only use a pattern when it has not been removed, has commands and
|
|
|
8093 * the group matches */
|
|
|
8094 if (ap->pat != NULL && ap->cmds != NULL
|
|
|
8095 && (apc->group == AUGROUP_ALL || apc->group == ap->group))
|
|
|
8096 {
|
|
|
8097 if (match_file_pat(ap->reg_pat, apc->fname, apc->sfname, apc->tail,
|
|
|
8098 ap->allow_dirs))
|
|
|
8099 {
|
|
|
8100 name = event_nr2name(apc->event);
|
|
|
8101 s = _("%s Auto commands for \"%s\"");
|
|
|
8102 sourcing_name = alloc((unsigned)(STRLEN(s)
|
|
|
8103 + STRLEN(name) + ap->patlen + 1));
|
|
|
8104 if (sourcing_name != NULL)
|
|
|
8105 {
|
|
|
8106 sprintf((char *)sourcing_name, s,
|
|
|
8107 (char *)name, (char *)ap->pat);
|
|
|
8108 if (p_verbose >= 8)
|
|
|
8109 msg_str((char_u *)_("Executing %s"), sourcing_name);
|
|
|
8110 }
|
|
|
8111
|
|
|
8112 apc->curpat = ap;
|
|
|
8113 apc->nextcmd = ap->cmds;
|
|
|
8114 /* mark last command */
|
|
|
8115 for (cp = ap->cmds; cp->next != NULL; cp = cp->next)
|
|
|
8116 cp->last = FALSE;
|
|
|
8117 cp->last = TRUE;
|
|
|
8118 }
|
|
|
8119 line_breakcheck();
|
|
|
8120 if (apc->curpat != NULL) /* found a match */
|
|
|
8121 break;
|
|
|
8122 }
|
|
|
8123 if (stop_at_last && ap->last)
|
|
|
8124 break;
|
|
|
8125 }
|
|
|
8126 }
|
|
|
8127
|
|
|
8128 /*
|
|
|
8129 * Get next autocommand command.
|
|
|
8130 * Called by do_cmdline() to get the next line for ":if".
|
|
|
8131 * Returns allocated string, or NULL for end of autocommands.
|
|
|
8132 */
|
|
|
8133 /* ARGSUSED */
|
|
|
8134 static char_u *
|
|
|
8135 getnextac(c, cookie, indent)
|
|
|
8136 int c; /* not used */
|
|
|
8137 void *cookie;
|
|
|
8138 int indent; /* not used */
|
|
|
8139 {
|
|
|
8140 AutoPatCmd *acp = (AutoPatCmd *)cookie;
|
|
|
8141 char_u *retval;
|
|
|
8142 AutoCmd *ac;
|
|
|
8143
|
|
|
8144 /* Can be called again after returning the last line. */
|
|
|
8145 if (acp->curpat == NULL)
|
|
|
8146 return NULL;
|
|
|
8147
|
|
|
8148 /* repeat until we find an autocommand to execute */
|
|
|
8149 for (;;)
|
|
|
8150 {
|
|
|
8151 /* skip removed commands */
|
|
|
8152 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL)
|
|
|
8153 if (acp->nextcmd->last)
|
|
|
8154 acp->nextcmd = NULL;
|
|
|
8155 else
|
|
|
8156 acp->nextcmd = acp->nextcmd->next;
|
|
|
8157
|
|
|
8158 if (acp->nextcmd != NULL)
|
|
|
8159 break;
|
|
|
8160
|
|
|
8161 /* at end of commands, find next pattern that matches */
|
|
|
8162 if (acp->curpat->last)
|
|
|
8163 acp->curpat = NULL;
|
|
|
8164 else
|
|
|
8165 acp->curpat = acp->curpat->next;
|
|
|
8166 if (acp->curpat != NULL)
|
|
|
8167 auto_next_pat(acp, TRUE);
|
|
|
8168 if (acp->curpat == NULL)
|
|
|
8169 return NULL;
|
|
|
8170 }
|
|
|
8171
|
|
|
8172 ac = acp->nextcmd;
|
|
|
8173
|
|
|
8174 if (p_verbose >= 9)
|
|
|
8175 {
|
|
|
8176 msg_scroll = TRUE; /* always scroll up, don't overwrite */
|
|
|
8177 msg_str((char_u *)_("autocommand %s"), ac->cmd);
|
|
|
8178 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
|
8179 cmdline_row = msg_row;
|
|
|
8180 }
|
|
|
8181 retval = vim_strsave(ac->cmd);
|
|
|
8182 autocmd_nested = ac->nested;
|
|
|
8183 #ifdef FEAT_EVAL
|
|
|
8184 current_SID = ac->scriptID;
|
|
|
8185 #endif
|
|
|
8186 if (ac->last)
|
|
|
8187 acp->nextcmd = NULL;
|
|
|
8188 else
|
|
|
8189 acp->nextcmd = ac->next;
|
|
|
8190 return retval;
|
|
|
8191 }
|
|
|
8192
|
|
|
8193 /*
|
|
|
8194 * Return TRUE if there is a matching autocommand for "fname".
|
|
|
8195 */
|
|
|
8196 int
|
|
|
8197 has_autocmd(event, sfname)
|
|
|
8198 EVENT_T event;
|
|
|
8199 char_u *sfname;
|
|
|
8200 {
|
|
|
8201 AutoPat *ap;
|
|
|
8202 char_u *fname;
|
|
|
8203 char_u *tail = gettail(sfname);
|
|
|
8204 int retval = FALSE;
|
|
|
8205
|
|
|
8206 fname = FullName_save(sfname, FALSE);
|
|
|
8207 if (fname == NULL)
|
|
|
8208 return FALSE;
|
|
|
8209
|
|
|
8210 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8211 /*
|
|
|
8212 * Replace all backslashes with forward slashes. This makes the
|
|
|
8213 * autocommand patterns portable between Unix and MS-DOS.
|
|
|
8214 */
|
|
|
8215 sfname = vim_strsave(sfname);
|
|
|
8216 if (sfname != NULL)
|
|
|
8217 forward_slash(sfname);
|
|
|
8218 forward_slash(fname);
|
|
|
8219 #endif
|
|
|
8220
|
|
|
8221 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next)
|
|
|
8222 if (ap->pat != NULL && ap->cmds != NULL
|
|
|
8223 && match_file_pat(ap->reg_pat, fname, sfname, tail,
|
|
|
8224 ap->allow_dirs))
|
|
|
8225 {
|
|
|
8226 retval = TRUE;
|
|
|
8227 break;
|
|
|
8228 }
|
|
|
8229
|
|
|
8230 vim_free(fname);
|
|
|
8231 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8232 vim_free(sfname);
|
|
|
8233 #endif
|
|
|
8234
|
|
|
8235 return retval;
|
|
|
8236 }
|
|
|
8237
|
|
|
8238 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
8239 /*
|
|
|
8240 * Function given to ExpandGeneric() to obtain the list of autocommand group
|
|
|
8241 * names.
|
|
|
8242 */
|
|
|
8243 /*ARGSUSED*/
|
|
|
8244 char_u *
|
|
|
8245 get_augroup_name(xp, idx)
|
|
|
8246 expand_T *xp;
|
|
|
8247 int idx;
|
|
|
8248 {
|
|
|
8249 if (idx == augroups.ga_len) /* add "END" add the end */
|
|
|
8250 return (char_u *)"END";
|
|
|
8251 if (idx >= augroups.ga_len) /* end of list */
|
|
|
8252 return NULL;
|
|
|
8253 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */
|
|
|
8254 return (char_u *)"";
|
|
|
8255 return AUGROUP_NAME(idx); /* return a name */
|
|
|
8256 }
|
|
|
8257
|
|
|
8258 static int include_groups = FALSE;
|
|
|
8259
|
|
|
8260 char_u *
|
|
|
8261 set_context_in_autocmd(xp, arg, doautocmd)
|
|
|
8262 expand_T *xp;
|
|
|
8263 char_u *arg;
|
|
|
8264 int doautocmd; /* TRUE for :doautocmd, FALSE for :autocmd */
|
|
|
8265 {
|
|
|
8266 char_u *p;
|
|
|
8267 int group;
|
|
|
8268
|
|
|
8269 /* check for a group name, skip it if present */
|
|
|
8270 include_groups = FALSE;
|
|
|
8271 p = arg;
|
|
|
8272 group = au_get_grouparg(&arg);
|
|
|
8273 if (group == AUGROUP_ERROR)
|
|
|
8274 return NULL;
|
|
|
8275 /* If there only is a group name that's what we expand. */
|
|
|
8276 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1]))
|
|
|
8277 {
|
|
|
8278 arg = p;
|
|
|
8279 group = AUGROUP_ALL;
|
|
|
8280 }
|
|
|
8281
|
|
|
8282 /* skip over event name */
|
|
|
8283 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p)
|
|
|
8284 if (*p == ',')
|
|
|
8285 arg = p + 1;
|
|
|
8286 if (*p == NUL)
|
|
|
8287 {
|
|
|
8288 if (group == AUGROUP_ALL)
|
|
|
8289 include_groups = TRUE;
|
|
|
8290 xp->xp_context = EXPAND_EVENTS; /* expand event name */
|
|
|
8291 xp->xp_pattern = arg;
|
|
|
8292 return NULL;
|
|
|
8293 }
|
|
|
8294
|
|
|
8295 /* skip over pattern */
|
|
|
8296 arg = skipwhite(p);
|
|
|
8297 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\'))
|
|
|
8298 arg++;
|
|
|
8299 if (*arg)
|
|
|
8300 return arg; /* expand (next) command */
|
|
|
8301
|
|
|
8302 if (doautocmd)
|
|
|
8303 xp->xp_context = EXPAND_FILES; /* expand file names */
|
|
|
8304 else
|
|
|
8305 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */
|
|
|
8306 return NULL;
|
|
|
8307 }
|
|
|
8308
|
|
|
8309 /*
|
|
|
8310 * Function given to ExpandGeneric() to obtain the list of event names.
|
|
|
8311 */
|
|
|
8312 /*ARGSUSED*/
|
|
|
8313 char_u *
|
|
|
8314 get_event_name(xp, idx)
|
|
|
8315 expand_T *xp;
|
|
|
8316 int idx;
|
|
|
8317 {
|
|
|
8318 if (idx < augroups.ga_len) /* First list group names, if wanted */
|
|
|
8319 {
|
|
|
8320 if (!include_groups || AUGROUP_NAME(idx) == NULL)
|
|
|
8321 return (char_u *)""; /* skip deleted entries */
|
|
|
8322 return AUGROUP_NAME(idx); /* return a name */
|
|
|
8323 }
|
|
|
8324 return (char_u *)event_names[idx - augroups.ga_len].name;
|
|
|
8325 }
|
|
|
8326
|
|
|
8327 #endif /* FEAT_CMDL_COMPL */
|
|
|
8328
|
|
|
8329 /*
|
|
|
8330 * Return TRUE if an autocommand is defined for "event" and "pattern".
|
|
|
8331 * "pattern" can be NULL to accept any pattern.
|
|
|
8332 */
|
|
|
8333 int
|
|
|
8334 au_exists(name, name_end, pattern)
|
|
|
8335 char_u *name;
|
|
|
8336 char_u *name_end;
|
|
|
8337 char_u *pattern;
|
|
|
8338 {
|
|
|
8339 char_u *event_name;
|
|
|
8340 char_u *p;
|
|
|
8341 EVENT_T event;
|
|
|
8342 AutoPat *ap;
|
|
|
8343
|
|
|
8344 /* find the index (enum) for the event name */
|
|
|
8345 event_name = vim_strnsave(name, (int)(name_end - name));
|
|
|
8346 if (event_name == NULL)
|
|
|
8347 return FALSE;
|
|
|
8348 event = event_name2nr(event_name, &p);
|
|
|
8349 vim_free(event_name);
|
|
|
8350
|
|
|
8351 /* return FALSE if the event name is not recognized */
|
|
|
8352 if (event == NUM_EVENTS) /* unknown event name */
|
|
|
8353 return FALSE;
|
|
|
8354
|
|
|
8355 /* Find the first autocommand for this event.
|
|
|
8356 * If there isn't any, return FALSE;
|
|
|
8357 * If there is one and no pattern given, return TRUE; */
|
|
|
8358 ap = first_autopat[(int)event];
|
|
|
8359 if (ap == NULL)
|
|
|
8360 return FALSE;
|
|
|
8361 if (pattern == NULL)
|
|
|
8362 return TRUE;
|
|
|
8363
|
|
|
8364 /* Check if there is an autocommand with the given pattern. */
|
|
|
8365 for ( ; ap != NULL; ap = ap->next)
|
|
|
8366 /* only use a pattern when it has not been removed and has commands */
|
|
|
8367 if (ap->pat != NULL && ap->cmds != NULL
|
|
|
8368 && fnamecmp(ap->pat, pattern) == 0)
|
|
|
8369 return TRUE;
|
|
|
8370
|
|
|
8371 return FALSE;
|
|
|
8372 }
|
|
|
8373 #endif /* FEAT_AUTOCMD */
|
|
|
8374
|
|
|
8375 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO)
|
|
|
8376 /*
|
|
|
8377 * Try matching a filename with a pattern.
|
|
|
8378 * Used for autocommands and 'wildignore'.
|
|
|
8379 * Returns TRUE if there is a match, FALSE otherwise.
|
|
|
8380 */
|
|
|
8381 int
|
|
|
8382 match_file_pat(pattern, fname, sfname, tail, allow_dirs)
|
|
|
8383 char_u *pattern; /* pattern to match with */
|
|
|
8384 char_u *fname; /* full path of file name */
|
|
|
8385 char_u *sfname; /* short file name or NULL */
|
|
|
8386 char_u *tail; /* tail of path */
|
|
|
8387 int allow_dirs; /* allow matching with dir */
|
|
|
8388 {
|
|
|
8389 regmatch_T regmatch;
|
|
|
8390 int result = FALSE;
|
|
|
8391 #ifdef FEAT_OSFILETYPE
|
|
|
8392 int no_pattern = FALSE; /* TRUE if check is filetype only */
|
|
|
8393 char_u *type_start;
|
|
|
8394 char_u c;
|
|
|
8395 int match = FALSE;
|
|
|
8396 #endif
|
|
|
8397
|
|
|
8398 #ifdef CASE_INSENSITIVE_FILENAME
|
|
|
8399 regmatch.rm_ic = TRUE; /* Always ignore case */
|
|
|
8400 #else
|
|
|
8401 regmatch.rm_ic = FALSE; /* Don't ever ignore case */
|
|
|
8402 #endif
|
|
|
8403 #ifdef FEAT_OSFILETYPE
|
|
|
8404 if (*pattern == '<')
|
|
|
8405 {
|
|
|
8406 /* There is a filetype condition specified with this pattern.
|
|
|
8407 * Check the filetype matches first. If not, don't bother with the
|
|
|
8408 * pattern (set regprog to NULL).
|
|
|
8409 * Always use magic for the regexp.
|
|
|
8410 */
|
|
|
8411
|
|
|
8412 for (type_start = pattern + 1; (c = *pattern); pattern++)
|
|
|
8413 {
|
|
|
8414 if ((c == ';' || c == '>') && match == FALSE)
|
|
|
8415 {
|
|
|
8416 *pattern = NUL; /* Terminate the string */
|
|
|
8417 match = mch_check_filetype(fname, type_start);
|
|
|
8418 *pattern = c; /* Restore the terminator */
|
|
|
8419 type_start = pattern + 1;
|
|
|
8420 }
|
|
|
8421 if (c == '>')
|
|
|
8422 break;
|
|
|
8423 }
|
|
|
8424
|
|
|
8425 /* (c should never be NUL, but check anyway) */
|
|
|
8426 if (match == FALSE || c == NUL)
|
|
|
8427 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */
|
|
|
8428 else if (*pattern == NUL)
|
|
|
8429 {
|
|
|
8430 regmatch.regprog = NULL; /* Vim will try to free regprog later */
|
|
|
8431 no_pattern = TRUE; /* Always matches - don't check pat. */
|
|
|
8432 }
|
|
|
8433 else
|
|
|
8434 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC);
|
|
|
8435 }
|
|
|
8436 else
|
|
|
8437 #endif
|
|
|
8438 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC);
|
|
|
8439
|
|
|
8440 /*
|
|
|
8441 * Try for a match with the pattern with:
|
|
|
8442 * 1. the full file name, when the pattern has a '/'.
|
|
|
8443 * 2. the short file name, when the pattern has a '/'.
|
|
|
8444 * 3. the tail of the file name, when the pattern has no '/'.
|
|
|
8445 */
|
|
|
8446 if (
|
|
|
8447 #ifdef FEAT_OSFILETYPE
|
|
|
8448 /* If the check is for a filetype only and we don't care
|
|
|
8449 * about the path then skip all the regexp stuff.
|
|
|
8450 */
|
|
|
8451 no_pattern ||
|
|
|
8452 #endif
|
|
|
8453 (regmatch.regprog != NULL
|
|
|
8454 && ((allow_dirs
|
|
|
8455 && (vim_regexec(®match, fname, (colnr_T)0)
|
|
|
8456 || (sfname != NULL
|
|
|
8457 && vim_regexec(®match, sfname, (colnr_T)0))))
|
|
|
8458 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0)))))
|
|
|
8459 result = TRUE;
|
|
|
8460
|
|
|
8461 vim_free(regmatch.regprog);
|
|
|
8462 return result;
|
|
|
8463 }
|
|
|
8464 #endif
|
|
|
8465
|
|
|
8466 #if defined(FEAT_WILDIGN) || defined(PROTO)
|
|
|
8467 /*
|
|
|
8468 * Return TRUE if a file matches with a pattern in "list".
|
|
|
8469 * "list" is a comma-separated list of patterns, like 'wildignore'.
|
|
|
8470 * "sfname" is the short file name or NULL, "ffname" the long file name.
|
|
|
8471 */
|
|
|
8472 int
|
|
|
8473 match_file_list(list, sfname, ffname)
|
|
|
8474 char_u *list;
|
|
|
8475 char_u *sfname;
|
|
|
8476 char_u *ffname;
|
|
|
8477 {
|
|
|
8478 char_u buf[100];
|
|
|
8479 char_u *tail;
|
|
|
8480 char_u *regpat;
|
|
|
8481 char allow_dirs;
|
|
|
8482 int match;
|
|
|
8483 char_u *p;
|
|
|
8484
|
|
|
8485 tail = gettail(sfname);
|
|
|
8486
|
|
|
8487 /* try all patterns in 'wildignore' */
|
|
|
8488 p = list;
|
|
|
8489 while (*p)
|
|
|
8490 {
|
|
|
8491 copy_option_part(&p, buf, 100, ",");
|
|
|
8492 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE);
|
|
|
8493 if (regpat == NULL)
|
|
|
8494 break;
|
|
|
8495 match = match_file_pat(regpat, ffname, sfname, tail, (int)allow_dirs);
|
|
|
8496 vim_free(regpat);
|
|
|
8497 if (match)
|
|
|
8498 return TRUE;
|
|
|
8499 }
|
|
|
8500 return FALSE;
|
|
|
8501 }
|
|
|
8502 #endif
|
|
|
8503
|
|
|
8504 /*
|
|
|
8505 * Convert the given pattern "pat" which has shell style wildcards in it, into
|
|
|
8506 * a regular expression, and return the result in allocated memory. If there
|
|
|
8507 * is a directory path separator to be matched, then TRUE is put in
|
|
|
8508 * allow_dirs, otherwise FALSE is put there -- webb.
|
|
|
8509 * Handle backslashes before special characters, like "\*" and "\ ".
|
|
|
8510 *
|
|
|
8511 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg:
|
|
|
8512 * '<html>myfile' becomes '<html>^myfile$' -- leonard.
|
|
|
8513 *
|
|
|
8514 * Returns NULL when out of memory.
|
|
|
8515 */
|
|
|
8516 /*ARGSUSED*/
|
|
|
8517 char_u *
|
|
|
8518 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash)
|
|
|
8519 char_u *pat;
|
|
|
8520 char_u *pat_end; /* first char after pattern or NULL */
|
|
|
8521 char *allow_dirs; /* Result passed back out in here */
|
|
|
8522 int no_bslash; /* Don't use a backward slash as pathsep */
|
|
|
8523 {
|
|
|
8524 int size;
|
|
|
8525 char_u *endp;
|
|
|
8526 char_u *reg_pat;
|
|
|
8527 char_u *p;
|
|
|
8528 int i;
|
|
|
8529 int nested = 0;
|
|
|
8530 int add_dollar = TRUE;
|
|
|
8531 #ifdef FEAT_OSFILETYPE
|
|
|
8532 int check_length = 0;
|
|
|
8533 #endif
|
|
|
8534
|
|
|
8535 if (allow_dirs != NULL)
|
|
|
8536 *allow_dirs = FALSE;
|
|
|
8537 if (pat_end == NULL)
|
|
|
8538 pat_end = pat + STRLEN(pat);
|
|
|
8539
|
|
|
8540 #ifdef FEAT_OSFILETYPE
|
|
|
8541 /* Find out how much of the string is the filetype check */
|
|
|
8542 if (*pat == '<')
|
|
|
8543 {
|
|
|
8544 /* Count chars until the next '>' */
|
|
|
8545 for (p = pat + 1; p < pat_end && *p != '>'; p++)
|
|
|
8546 ;
|
|
|
8547 if (p < pat_end)
|
|
|
8548 {
|
|
|
8549 /* Pattern is of the form <.*>.* */
|
|
|
8550 check_length = p - pat + 1;
|
|
|
8551 if (p + 1 >= pat_end)
|
|
|
8552 {
|
|
|
8553 /* The 'pattern' is a filetype check ONLY */
|
|
|
8554 reg_pat = (char_u *)alloc(check_length + 1);
|
|
|
8555 if (reg_pat != NULL)
|
|
|
8556 {
|
|
|
8557 mch_memmove(reg_pat, pat, (size_t)check_length);
|
|
|
8558 reg_pat[check_length] = NUL;
|
|
|
8559 }
|
|
|
8560 return reg_pat;
|
|
|
8561 }
|
|
|
8562 }
|
|
|
8563 /* else: there was no closing '>' - assume it was a normal pattern */
|
|
|
8564
|
|
|
8565 }
|
|
|
8566 pat += check_length;
|
|
|
8567 size = 2 + check_length;
|
|
|
8568 #else
|
|
|
8569 size = 2; /* '^' at start, '$' at end */
|
|
|
8570 #endif
|
|
|
8571
|
|
|
8572 for (p = pat; p < pat_end; p++)
|
|
|
8573 {
|
|
|
8574 switch (*p)
|
|
|
8575 {
|
|
|
8576 case '*':
|
|
|
8577 case '.':
|
|
|
8578 case ',':
|
|
|
8579 case '{':
|
|
|
8580 case '}':
|
|
|
8581 case '~':
|
|
|
8582 size += 2; /* extra backslash */
|
|
|
8583 break;
|
|
|
8584 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8585 case '\\':
|
|
|
8586 case '/':
|
|
|
8587 size += 4; /* could become "[\/]" */
|
|
|
8588 break;
|
|
|
8589 #endif
|
|
|
8590 default:
|
|
|
8591 size++;
|
|
|
8592 # ifdef FEAT_MBYTE
|
|
|
8593 if (enc_dbcs != 0 && (*mb_ptr2len_check)(p) > 1)
|
|
|
8594 {
|
|
|
8595 ++p;
|
|
|
8596 ++size;
|
|
|
8597 }
|
|
|
8598 # endif
|
|
|
8599 break;
|
|
|
8600 }
|
|
|
8601 }
|
|
|
8602 reg_pat = alloc(size + 1);
|
|
|
8603 if (reg_pat == NULL)
|
|
|
8604 return NULL;
|
|
|
8605
|
|
|
8606 #ifdef FEAT_OSFILETYPE
|
|
|
8607 /* Copy the type check in to the start. */
|
|
|
8608 if (check_length)
|
|
|
8609 mch_memmove(reg_pat, pat - check_length, (size_t)check_length);
|
|
|
8610 i = check_length;
|
|
|
8611 #else
|
|
|
8612 i = 0;
|
|
|
8613 #endif
|
|
|
8614
|
|
|
8615 if (pat[0] == '*')
|
|
|
8616 while (pat[0] == '*' && pat < pat_end - 1)
|
|
|
8617 pat++;
|
|
|
8618 else
|
|
|
8619 reg_pat[i++] = '^';
|
|
|
8620 endp = pat_end - 1;
|
|
|
8621 if (*endp == '*')
|
|
|
8622 {
|
|
|
8623 while (endp - pat > 0 && *endp == '*')
|
|
|
8624 endp--;
|
|
|
8625 add_dollar = FALSE;
|
|
|
8626 }
|
|
|
8627 for (p = pat; *p && nested >= 0 && p <= endp; p++)
|
|
|
8628 {
|
|
|
8629 switch (*p)
|
|
|
8630 {
|
|
|
8631 case '*':
|
|
|
8632 reg_pat[i++] = '.';
|
|
|
8633 reg_pat[i++] = '*';
|
|
|
8634 break;
|
|
|
8635 case '.':
|
|
|
8636 #ifdef RISCOS
|
|
|
8637 if (allow_dirs != NULL)
|
|
|
8638 *allow_dirs = TRUE;
|
|
|
8639 /* FALLTHROUGH */
|
|
|
8640 #endif
|
|
|
8641 case '~':
|
|
|
8642 reg_pat[i++] = '\\';
|
|
|
8643 reg_pat[i++] = *p;
|
|
|
8644 break;
|
|
|
8645 case '?':
|
|
|
8646 #ifdef RISCOS
|
|
|
8647 case '#':
|
|
|
8648 #endif
|
|
|
8649 reg_pat[i++] = '.';
|
|
|
8650 break;
|
|
|
8651 case '\\':
|
|
|
8652 if (p[1] == NUL)
|
|
|
8653 break;
|
|
|
8654 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8655 if (!no_bslash)
|
|
|
8656 {
|
|
|
8657 /* translate:
|
|
|
8658 * "\x" to "\\x" e.g., "dir\file"
|
|
|
8659 * "\*" to "\\.*" e.g., "dir\*.c"
|
|
|
8660 * "\?" to "\\." e.g., "dir\??.c"
|
|
|
8661 * "\+" to "\+" e.g., "fileX\+.c"
|
|
|
8662 */
|
|
|
8663 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?')
|
|
|
8664 && p[1] != '+')
|
|
|
8665 {
|
|
|
8666 reg_pat[i++] = '[';
|
|
|
8667 reg_pat[i++] = '\\';
|
|
|
8668 reg_pat[i++] = '/';
|
|
|
8669 reg_pat[i++] = ']';
|
|
|
8670 if (allow_dirs != NULL)
|
|
|
8671 *allow_dirs = TRUE;
|
|
|
8672 break;
|
|
|
8673 }
|
|
|
8674 }
|
|
|
8675 #endif
|
|
|
8676 if (*++p == '?'
|
|
|
8677 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8678 && no_bslash
|
|
|
8679 #endif
|
|
|
8680 )
|
|
|
8681 reg_pat[i++] = '?';
|
|
|
8682 else
|
|
|
8683 if (*p == ',')
|
|
|
8684 reg_pat[i++] = ',';
|
|
|
8685 else
|
|
|
8686 {
|
|
|
8687 if (allow_dirs != NULL && vim_ispathsep(*p)
|
|
|
8688 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8689 && (!no_bslash || *p != '\\')
|
|
|
8690 #endif
|
|
|
8691 )
|
|
|
8692 *allow_dirs = TRUE;
|
|
|
8693 reg_pat[i++] = '\\';
|
|
|
8694 reg_pat[i++] = *p;
|
|
|
8695 }
|
|
|
8696 break;
|
|
|
8697 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8698 case '/':
|
|
|
8699 reg_pat[i++] = '[';
|
|
|
8700 reg_pat[i++] = '\\';
|
|
|
8701 reg_pat[i++] = '/';
|
|
|
8702 reg_pat[i++] = ']';
|
|
|
8703 if (allow_dirs != NULL)
|
|
|
8704 *allow_dirs = TRUE;
|
|
|
8705 break;
|
|
|
8706 #endif
|
|
|
8707 case '{':
|
|
|
8708 reg_pat[i++] = '\\';
|
|
|
8709 reg_pat[i++] = '(';
|
|
|
8710 nested++;
|
|
|
8711 break;
|
|
|
8712 case '}':
|
|
|
8713 reg_pat[i++] = '\\';
|
|
|
8714 reg_pat[i++] = ')';
|
|
|
8715 --nested;
|
|
|
8716 break;
|
|
|
8717 case ',':
|
|
|
8718 if (nested)
|
|
|
8719 {
|
|
|
8720 reg_pat[i++] = '\\';
|
|
|
8721 reg_pat[i++] = '|';
|
|
|
8722 }
|
|
|
8723 else
|
|
|
8724 reg_pat[i++] = ',';
|
|
|
8725 break;
|
|
|
8726 default:
|
|
|
8727 # ifdef FEAT_MBYTE
|
|
|
8728 if (enc_dbcs != 0 && (*mb_ptr2len_check)(p) > 1)
|
|
|
8729 reg_pat[i++] = *p++;
|
|
|
8730 else
|
|
|
8731 # endif
|
|
|
8732 if (allow_dirs != NULL && vim_ispathsep(*p))
|
|
|
8733 *allow_dirs = TRUE;
|
|
|
8734 reg_pat[i++] = *p;
|
|
|
8735 break;
|
|
|
8736 }
|
|
|
8737 }
|
|
|
8738 if (add_dollar)
|
|
|
8739 reg_pat[i++] = '$';
|
|
|
8740 reg_pat[i] = NUL;
|
|
|
8741 if (nested != 0)
|
|
|
8742 {
|
|
|
8743 if (nested < 0)
|
|
|
8744 EMSG(_("E219: Missing {."));
|
|
|
8745 else
|
|
|
8746 EMSG(_("E220: Missing }."));
|
|
|
8747 vim_free(reg_pat);
|
|
|
8748 reg_pat = NULL;
|
|
|
8749 }
|
|
|
8750 return reg_pat;
|
|
|
8751 }
|
