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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 int msg_add_fileformat __ARGS((int eol_type));
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65 static void msg_add_eol __ARGS((void));
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66 static int check_mtime __ARGS((buf_T *buf, struct stat *s));
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67 static int time_differs __ARGS((long t1, long t2));
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68 #ifdef FEAT_AUTOCMD
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69 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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70 #endif
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71
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72 #if defined(FEAT_CRYPT) || defined(FEAT_MBYTE)
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73 # define HAS_BW_FLAGS
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74 # define FIO_LATIN1 0x01 /* convert Latin1 */
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75 # define FIO_UTF8 0x02 /* convert UTF-8 */
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76 # define FIO_UCS2 0x04 /* convert UCS-2 */
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77 # define FIO_UCS4 0x08 /* convert UCS-4 */
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78 # define FIO_UTF16 0x10 /* convert UTF-16 */
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79 # ifdef WIN3264
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80 # define FIO_CODEPAGE 0x20 /* convert MS-Windows codepage */
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81 # define FIO_PUT_CP(x) (((x) & 0xffff) << 16) /* put codepage in top word */
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82 # define FIO_GET_CP(x) (((x)>>16) & 0xffff) /* get codepage from top word */
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83 # endif
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84 # ifdef MACOS_X
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85 # define FIO_MACROMAN 0x20 /* convert MacRoman */
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86 # endif
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87 # define FIO_ENDIAN_L 0x80 /* little endian */
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88 # define FIO_ENCRYPTED 0x1000 /* encrypt written bytes */
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89 # define FIO_NOCONVERT 0x2000 /* skip encoding conversion */
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90 # define FIO_UCSBOM 0x4000 /* check for BOM at start of file */
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91 # define FIO_ALL -1 /* allow all formats */
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92 #endif
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93
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94 /* When converting, a read() or write() may leave some bytes to be converted
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95 * for the next call. The value is guessed... */
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96 #define CONV_RESTLEN 30
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97
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98 /* We have to guess how much a sequence of bytes may expand when converting
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99 * with iconv() to be able to allocate a buffer. */
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100 #define ICONV_MULT 8
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101
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102 /*
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103 * Structure to pass arguments from buf_write() to buf_write_bytes().
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104 */
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105 struct bw_info
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106 {
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107 int bw_fd; /* file descriptor */
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108 char_u *bw_buf; /* buffer with data to be written */
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109 int bw_len; /* lenght of data */
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110 #ifdef HAS_BW_FLAGS
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111 int bw_flags; /* FIO_ flags */
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112 #endif
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113 #ifdef FEAT_MBYTE
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114 char_u bw_rest[CONV_RESTLEN]; /* not converted bytes */
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115 int bw_restlen; /* nr of bytes in bw_rest[] */
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116 int bw_first; /* first write call */
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117 char_u *bw_conv_buf; /* buffer for writing converted chars */
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118 int bw_conv_buflen; /* size of bw_conv_buf */
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119 int bw_conv_error; /* set for conversion error */
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120 # ifdef USE_ICONV
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121 iconv_t bw_iconv_fd; /* descriptor for iconv() or -1 */
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122 # endif
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123 #endif
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124 };
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125
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126 static int buf_write_bytes __ARGS((struct bw_info *ip));
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127
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128 #ifdef FEAT_MBYTE
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129 static int ucs2bytes __ARGS((unsigned c, char_u **pp, int flags));
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130 static int same_encoding __ARGS((char_u *a, char_u *b));
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131 static int get_fio_flags __ARGS((char_u *ptr));
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132 static char_u *check_for_bom __ARGS((char_u *p, long size, int *lenp, int flags));
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133 static int make_bom __ARGS((char_u *buf, char_u *name));
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134 # ifdef WIN3264
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135 static int get_win_fio_flags __ARGS((char_u *ptr));
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136 # endif
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137 # ifdef MACOS_X
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138 static int get_mac_fio_flags __ARGS((char_u *ptr));
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139 # endif
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140 #endif
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141 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf));
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142
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143 void
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144 filemess(buf, name, s, attr)
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145 buf_T *buf;
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146 char_u *name;
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147 char_u *s;
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148 int attr;
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149 {
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150 int msg_scroll_save;
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151
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152 if (msg_silent != 0)
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153 return;
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154 msg_add_fname(buf, name); /* put file name in IObuff with quotes */
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155 /* If it's extremely long, truncate it. */
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156 if (STRLEN(IObuff) > IOSIZE - 80)
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157 IObuff[IOSIZE - 80] = NUL;
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158 STRCAT(IObuff, s);
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159 /*
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160 * For the first message may have to start a new line.
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161 * For further ones overwrite the previous one, reset msg_scroll before
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162 * calling filemess().
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163 */
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164 msg_scroll_save = msg_scroll;
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165 if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0)
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166 msg_scroll = FALSE;
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167 if (!msg_scroll) /* wait a bit when overwriting an error msg */
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168 check_for_delay(FALSE);
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169 msg_start();
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170 msg_scroll = msg_scroll_save;
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171 msg_scrolled_ign = TRUE;
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172 /* may truncate the message to avoid a hit-return prompt */
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173 msg_outtrans_attr(msg_may_trunc(FALSE, IObuff), attr);
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174 msg_clr_eos();
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175 out_flush();
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176 msg_scrolled_ign = FALSE;
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177 }
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178
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179 /*
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180 * Read lines from file "fname" into the buffer after line "from".
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181 *
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182 * 1. We allocate blocks with lalloc, as big as possible.
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183 * 2. Each block is filled with characters from the file with a single read().
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184 * 3. The lines are inserted in the buffer with ml_append().
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185 *
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186 * (caller must check that fname != NULL, unless READ_STDIN is used)
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187 *
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188 * "lines_to_skip" is the number of lines that must be skipped
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189 * "lines_to_read" is the number of lines that are appended
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190 * When not recovering lines_to_skip is 0 and lines_to_read MAXLNUM.
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191 *
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192 * flags:
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193 * READ_NEW starting to edit a new buffer
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194 * READ_FILTER reading filter output
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195 * READ_STDIN read from stdin instead of a file
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196 * READ_BUFFER read from curbuf instead of a file (converting after reading
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197 * stdin)
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198 * READ_DUMMY read into a dummy buffer (to check if file contents changed)
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199 *
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200 * return FAIL for failure, OK otherwise
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201 */
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202 int
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203 readfile(fname, sfname, from, lines_to_skip, lines_to_read, eap, flags)
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204 char_u *fname;
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205 char_u *sfname;
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206 linenr_T from;
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207 linenr_T lines_to_skip;
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208 linenr_T lines_to_read;
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209 exarg_T *eap; /* can be NULL! */
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210 int flags;
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211 {
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212 int fd = 0;
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213 int newfile = (flags & READ_NEW);
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214 int check_readonly;
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215 int filtering = (flags & READ_FILTER);
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216 int read_stdin = (flags & READ_STDIN);
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217 int read_buffer = (flags & READ_BUFFER);
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218 linenr_T read_buf_lnum = 1; /* next line to read from curbuf */
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219 colnr_T read_buf_col = 0; /* next char to read from this line */
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220 char_u c;
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221 linenr_T lnum = from;
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222 char_u *ptr = NULL; /* pointer into read buffer */
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223 char_u *buffer = NULL; /* read buffer */
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224 char_u *new_buffer = NULL; /* init to shut up gcc */
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225 char_u *line_start = NULL; /* init to shut up gcc */
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226 int wasempty; /* buffer was empty before reading */
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227 colnr_T len;
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228 long size = 0;
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229 char_u *p;
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230 long filesize = 0;
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231 int skip_read = FALSE;
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232 #ifdef FEAT_CRYPT
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233 char_u *cryptkey = NULL;
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234 #endif
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235 int split = 0; /* number of split lines */
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236 #define UNKNOWN 0x0fffffff /* file size is unknown */
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237 linenr_T linecnt;
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238 int error = FALSE; /* errors encountered */
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239 int ff_error = EOL_UNKNOWN; /* file format with errors */
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240 long linerest = 0; /* remaining chars in line */
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241 #ifdef UNIX
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242 int perm = 0;
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243 int swap_mode = -1; /* protection bits for swap file */
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244 #else
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245 int perm;
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246 #endif
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247 int fileformat = 0; /* end-of-line format */
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248 int keep_fileformat = FALSE;
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249 struct stat st;
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250 int file_readonly;
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251 linenr_T skip_count = 0;
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252 linenr_T read_count = 0;
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253 int msg_save = msg_scroll;
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254 linenr_T read_no_eol_lnum = 0; /* non-zero lnum when last line of
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255 * last read was missing the eol */
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256 int try_mac = (vim_strchr(p_ffs, 'm') != NULL);
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257 int try_dos = (vim_strchr(p_ffs, 'd') != NULL);
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258 int try_unix = (vim_strchr(p_ffs, 'x') != NULL);
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259 int file_rewind = FALSE;
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260 #ifdef FEAT_MBYTE
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261 int can_retry;
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262 int conv_error = FALSE; /* conversion error detected */
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263 int keep_dest_enc = FALSE; /* don't retry when char doesn't fit
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264 in destination encoding */
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265 linenr_T illegal_byte = 0; /* line nr with illegal byte */
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266 char_u *tmpname = NULL; /* name of 'charconvert' output file */
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267 int fio_flags = 0;
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268 char_u *fenc; /* fileencoding to use */
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269 int fenc_alloced; /* fenc_next is in allocated memory */
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270 char_u *fenc_next = NULL; /* next item in 'fencs' or NULL */
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271 int advance_fenc = FALSE;
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272 long real_size = 0;
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273 # ifdef USE_ICONV
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274 iconv_t iconv_fd = (iconv_t)-1; /* descriptor for iconv() or -1 */
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275 # ifdef FEAT_EVAL
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276 int did_iconv = FALSE; /* TRUE when iconv() failed and trying
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277 'charconvert' next */
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278 # endif
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279 # endif
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280 int converted = FALSE; /* TRUE if conversion done */
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281 int notconverted = FALSE; /* TRUE if conversion wanted but it
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282 wasn't possible */
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283 char_u conv_rest[CONV_RESTLEN];
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284 int conv_restlen = 0; /* nr of bytes in conv_rest[] */
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285 #endif
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286
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287 write_no_eol_lnum = 0; /* in case it was set by the previous read */
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288
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289 /*
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290 * If there is no file name yet, use the one for the read file.
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291 * BF_NOTEDITED is set to reflect this.
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292 * Don't do this for a read from a filter.
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293 * Only do this when 'cpoptions' contains the 'f' flag.
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294 */
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295 if (curbuf->b_ffname == NULL
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296 && !filtering
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297 && fname != NULL
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298 && vim_strchr(p_cpo, CPO_FNAMER) != NULL
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299 && !(flags & READ_DUMMY))
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300 {
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301 if (setfname(curbuf, fname, sfname, FALSE) == OK)
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302 curbuf->b_flags |= BF_NOTEDITED;
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303 }
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304
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167
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305 /* After reading a file the cursor line changes but we don't want to
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306 * display the line. */
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307 ex_no_reprint = TRUE;
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308
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7
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309 /*
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310 * For Unix: Use the short file name whenever possible.
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311 * Avoids problems with networks and when directory names are changed.
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312 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
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313 * another directory, which we don't detect.
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314 */
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315 if (sfname == NULL)
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316 sfname = fname;
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317 #if defined(UNIX) || defined(__EMX__)
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318 fname = sfname;
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319 #endif
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320
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321 #ifdef FEAT_AUTOCMD
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322 /*
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323 * The BufReadCmd and FileReadCmd events intercept the reading process by
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324 * executing the associated commands instead.
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325 */
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326 if (!filtering && !read_stdin && !read_buffer)
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327 {
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328 pos_T pos;
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329
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330 pos = curbuf->b_op_start;
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331
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332 /* Set '[ mark to the line above where the lines go (line 1 if zero). */
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333 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from);
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334 curbuf->b_op_start.col = 0;
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335
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336 if (newfile)
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337 {
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338 if (apply_autocmds_exarg(EVENT_BUFREADCMD, NULL, sfname,
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339 FALSE, curbuf, eap))
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340 #ifdef FEAT_EVAL
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341 return aborting() ? FAIL : OK;
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342 #else
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343 return OK;
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344 #endif
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345 }
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346 else if (apply_autocmds_exarg(EVENT_FILEREADCMD, sfname, sfname,
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347 FALSE, NULL, eap))
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348 #ifdef FEAT_EVAL
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349 return aborting() ? FAIL : OK;
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350 #else
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351 return OK;
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352 #endif
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353
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354 curbuf->b_op_start = pos;
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355 }
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356 #endif
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357
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358 if ((shortmess(SHM_OVER) || curbuf->b_help) && p_verbose == 0)
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359 msg_scroll = FALSE; /* overwrite previous file message */
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360 else
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361 msg_scroll = TRUE; /* don't overwrite previous file message */
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362
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363 /*
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364 * If the name ends in a path separator, we can't open it. Check here,
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365 * because reading the file may actually work, but then creating the swap
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366 * file may destroy it! Reported on MS-DOS and Win 95.
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367 * If the name is too long we might crash further on, quit here.
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368 */
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23
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369 if (fname != NULL && *fname != NUL)
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370 {
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39
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371 p = fname + STRLEN(fname);
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372 if (after_pathsep(fname, p) || STRLEN(fname) >= MAXPATHL)
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23
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373 {
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374 filemess(curbuf, fname, (char_u *)_("Illegal file name"), 0);
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375 msg_end();
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376 msg_scroll = msg_save;
|
|
|
377 return FAIL;
|
|
|
378 }
|
|
7
|
379 }
|
|
|
380
|
|
|
381 #ifdef UNIX
|
|
|
382 /*
|
|
|
383 * On Unix it is possible to read a directory, so we have to
|
|
|
384 * check for it before the mch_open().
|
|
|
385 */
|
|
|
386 if (!read_stdin && !read_buffer)
|
|
|
387 {
|
|
|
388 perm = mch_getperm(fname);
|
|
|
389 if (perm >= 0 && !S_ISREG(perm) /* not a regular file ... */
|
|
|
390 # ifdef S_ISFIFO
|
|
|
391 && !S_ISFIFO(perm) /* ... or fifo */
|
|
|
392 # endif
|
|
|
393 # ifdef S_ISSOCK
|
|
|
394 && !S_ISSOCK(perm) /* ... or socket */
|
|
|
395 # endif
|
|
|
396 )
|
|
|
397 {
|
|
|
398 if (S_ISDIR(perm))
|
|
|
399 filemess(curbuf, fname, (char_u *)_("is a directory"), 0);
|
|
|
400 else
|
|
|
401 filemess(curbuf, fname, (char_u *)_("is not a file"), 0);
|
|
|
402 msg_end();
|
|
|
403 msg_scroll = msg_save;
|
|
|
404 return FAIL;
|
|
|
405 }
|
|
|
406 }
|
|
|
407 #endif
|
|
|
408
|
|
|
409 /* set default 'fileformat' */
|
|
|
410 if (newfile)
|
|
|
411 {
|
|
|
412 if (eap != NULL && eap->force_ff != 0)
|
|
|
413 set_fileformat(get_fileformat_force(curbuf, eap), OPT_LOCAL);
|
|
|
414 else if (*p_ffs != NUL)
|
|
|
415 set_fileformat(default_fileformat(), OPT_LOCAL);
|
|
|
416 }
|
|
|
417
|
|
|
418 /* set or reset 'binary' */
|
|
|
419 if (eap != NULL && eap->force_bin != 0)
|
|
|
420 {
|
|
|
421 int oldval = curbuf->b_p_bin;
|
|
|
422
|
|
|
423 curbuf->b_p_bin = (eap->force_bin == FORCE_BIN);
|
|
|
424 set_options_bin(oldval, curbuf->b_p_bin, OPT_LOCAL);
|
|
|
425 }
|
|
|
426
|
|
|
427 /*
|
|
|
428 * When opening a new file we take the readonly flag from the file.
|
|
|
429 * Default is r/w, can be set to r/o below.
|
|
|
430 * Don't reset it when in readonly mode
|
|
|
431 * Only set/reset b_p_ro when BF_CHECK_RO is set.
|
|
|
432 */
|
|
|
433 check_readonly = (newfile && (curbuf->b_flags & BF_CHECK_RO));
|
|
164
|
434 if (check_readonly && !readonlymode)
|
|
7
|
435 curbuf->b_p_ro = FALSE;
|
|
|
436
|
|
|
437 if (newfile && !read_stdin && !read_buffer)
|
|
|
438 {
|
|
|
439 /* Remember time of file.
|
|
|
440 * For RISCOS, also remember the filetype.
|
|
|
441 */
|
|
|
442 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
443 {
|
|
|
444 buf_store_time(curbuf, &st, fname);
|
|
|
445 curbuf->b_mtime_read = curbuf->b_mtime;
|
|
|
446
|
|
|
447 #if defined(RISCOS) && defined(FEAT_OSFILETYPE)
|
|
|
448 /* Read the filetype into the buffer local filetype option. */
|
|
|
449 mch_read_filetype(fname);
|
|
|
450 #endif
|
|
|
451 #ifdef UNIX
|
|
|
452 /*
|
|
|
453 * Use the protection bits of the original file for the swap file.
|
|
|
454 * This makes it possible for others to read the name of the
|
|
|
455 * edited file from the swapfile, but only if they can read the
|
|
|
456 * edited file.
|
|
|
457 * Remove the "write" and "execute" bits for group and others
|
|
|
458 * (they must not write the swapfile).
|
|
|
459 * Add the "read" and "write" bits for the user, otherwise we may
|
|
|
460 * not be able to write to the file ourselves.
|
|
|
461 * Setting the bits is done below, after creating the swap file.
|
|
|
462 */
|
|
|
463 swap_mode = (st.st_mode & 0644) | 0600;
|
|
|
464 #endif
|
|
|
465 #ifdef FEAT_CW_EDITOR
|
|
|
466 /* Get the FSSpec on MacOS
|
|
|
467 * TODO: Update it properly when the buffer name changes
|
|
|
468 */
|
|
|
469 (void)GetFSSpecFromPath(curbuf->b_ffname, &curbuf->b_FSSpec);
|
|
|
470 #endif
|
|
|
471 #ifdef VMS
|
|
|
472 curbuf->b_fab_rfm = st.st_fab_rfm;
|
|
22
|
473 curbuf->b_fab_rat = st.st_fab_rat;
|
|
|
474 curbuf->b_fab_mrs = st.st_fab_mrs;
|
|
7
|
475 #endif
|
|
|
476 }
|
|
|
477 else
|
|
|
478 {
|
|
|
479 curbuf->b_mtime = 0;
|
|
|
480 curbuf->b_mtime_read = 0;
|
|
|
481 curbuf->b_orig_size = 0;
|
|
|
482 curbuf->b_orig_mode = 0;
|
|
|
483 }
|
|
|
484
|
|
|
485 /* Reset the "new file" flag. It will be set again below when the
|
|
|
486 * file doesn't exist. */
|
|
|
487 curbuf->b_flags &= ~(BF_NEW | BF_NEW_W);
|
|
|
488 }
|
|
|
489
|
|
|
490 /*
|
|
|
491 * for UNIX: check readonly with perm and mch_access()
|
|
|
492 * for RISCOS: same as Unix, otherwise file gets re-datestamped!
|
|
|
493 * for MSDOS and Amiga: check readonly by trying to open the file for writing
|
|
|
494 */
|
|
|
495 file_readonly = FALSE;
|
|
|
496 if (read_stdin)
|
|
|
497 {
|
|
|
498 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|
|
|
499 /* Force binary I/O on stdin to avoid CR-LF -> LF conversion. */
|
|
|
500 setmode(0, O_BINARY);
|
|
|
501 #endif
|
|
|
502 }
|
|
|
503 else if (!read_buffer)
|
|
|
504 {
|
|
|
505 #ifdef USE_MCH_ACCESS
|
|
|
506 if (
|
|
|
507 # ifdef UNIX
|
|
|
508 !(perm & 0222) ||
|
|
|
509 # endif
|
|
|
510 mch_access((char *)fname, W_OK))
|
|
|
511 file_readonly = TRUE;
|
|
|
512 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
|
|
|
513 #else
|
|
|
514 if (!newfile
|
|
|
515 || readonlymode
|
|
|
516 || (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0)
|
|
|
517 {
|
|
|
518 file_readonly = TRUE;
|
|
|
519 /* try to open ro */
|
|
|
520 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
|
|
|
521 }
|
|
|
522 #endif
|
|
|
523 }
|
|
|
524
|
|
|
525 if (fd < 0) /* cannot open at all */
|
|
|
526 {
|
|
|
527 #ifndef UNIX
|
|
|
528 int isdir_f;
|
|
|
529 #endif
|
|
|
530 msg_scroll = msg_save;
|
|
|
531 #ifndef UNIX
|
|
|
532 /*
|
|
|
533 * On MSDOS and Amiga we can't open a directory, check here.
|
|
|
534 */
|
|
|
535 isdir_f = (mch_isdir(fname));
|
|
|
536 perm = mch_getperm(fname); /* check if the file exists */
|
|
|
537 if (isdir_f)
|
|
|
538 {
|
|
|
539 filemess(curbuf, sfname, (char_u *)_("is a directory"), 0);
|
|
|
540 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
541 }
|
|
|
542 else
|
|
|
543 #endif
|
|
|
544 if (newfile)
|
|
|
545 {
|
|
|
546 if (perm < 0)
|
|
|
547 {
|
|
|
548 /*
|
|
|
549 * Set the 'new-file' flag, so that when the file has
|
|
|
550 * been created by someone else, a ":w" will complain.
|
|
|
551 */
|
|
|
552 curbuf->b_flags |= BF_NEW;
|
|
|
553
|
|
|
554 /* Create a swap file now, so that other Vims are warned
|
|
|
555 * that we are editing this file. Don't do this for a
|
|
|
556 * "nofile" or "nowrite" buffer type. */
|
|
|
557 #ifdef FEAT_QUICKFIX
|
|
|
558 if (!bt_dontwrite(curbuf))
|
|
|
559 #endif
|
|
|
560 check_need_swap(newfile);
|
|
|
561 filemess(curbuf, sfname, (char_u *)_("[New File]"), 0);
|
|
|
562 #ifdef FEAT_VIMINFO
|
|
|
563 /* Even though this is a new file, it might have been
|
|
|
564 * edited before and deleted. Get the old marks. */
|
|
|
565 check_marks_read();
|
|
|
566 #endif
|
|
|
567 #ifdef FEAT_MBYTE
|
|
|
568 if (eap != NULL && eap->force_enc != 0)
|
|
|
569 {
|
|
|
570 /* set forced 'fileencoding' */
|
|
|
571 fenc = enc_canonize(eap->cmd + eap->force_enc);
|
|
|
572 if (fenc != NULL)
|
|
|
573 set_string_option_direct((char_u *)"fenc", -1,
|
|
|
574 fenc, OPT_FREE|OPT_LOCAL);
|
|
|
575 vim_free(fenc);
|
|
|
576 }
|
|
|
577 #endif
|
|
|
578 #ifdef FEAT_AUTOCMD
|
|
|
579 apply_autocmds_exarg(EVENT_BUFNEWFILE, sfname, sfname,
|
|
|
580 FALSE, curbuf, eap);
|
|
|
581 #endif
|
|
|
582 /* remember the current fileformat */
|
|
|
583 save_file_ff(curbuf);
|
|
|
584
|
|
|
585 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
|
|
|
586 if (aborting()) /* autocmds may abort script processing */
|
|
|
587 return FAIL;
|
|
|
588 #endif
|
|
|
589 return OK; /* a new file is not an error */
|
|
|
590 }
|
|
|
591 else
|
|
|
592 {
|
|
550
|
593 filemess(curbuf, sfname, (char_u *)(
|
|
|
594 # ifdef EFBIG
|
|
|
595 (errno == EFBIG) ? _("[File too big]") :
|
|
|
596 # endif
|
|
|
597 _("[Permission Denied]")), 0);
|
|
7
|
598 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
599 }
|
|
|
600 }
|
|
|
601
|
|
|
602 return FAIL;
|
|
|
603 }
|
|
|
604
|
|
|
605 /*
|
|
|
606 * Only set the 'ro' flag for readonly files the first time they are
|
|
|
607 * loaded. Help files always get readonly mode
|
|
|
608 */
|
|
|
609 if ((check_readonly && file_readonly) || curbuf->b_help)
|
|
|
610 curbuf->b_p_ro = TRUE;
|
|
|
611
|
|
|
612 if (newfile)
|
|
|
613 {
|
|
|
614 curbuf->b_p_eol = TRUE;
|
|
|
615 curbuf->b_start_eol = TRUE;
|
|
|
616 #ifdef FEAT_MBYTE
|
|
|
617 curbuf->b_p_bomb = FALSE;
|
|
|
618 #endif
|
|
|
619 }
|
|
|
620
|
|
|
621 /* Create a swap file now, so that other Vims are warned that we are
|
|
|
622 * editing this file.
|
|
|
623 * Don't do this for a "nofile" or "nowrite" buffer type. */
|
|
|
624 #ifdef FEAT_QUICKFIX
|
|
|
625 if (!bt_dontwrite(curbuf))
|
|
|
626 #endif
|
|
|
627 {
|
|
|
628 check_need_swap(newfile);
|
|
|
629 #ifdef UNIX
|
|
|
630 /* Set swap file protection bits after creating it. */
|
|
|
631 if (swap_mode > 0 && curbuf->b_ml.ml_mfp->mf_fname != NULL)
|
|
|
632 (void)mch_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode);
|
|
|
633 #endif
|
|
|
634 }
|
|
|
635
|
|
|
636 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
|
637 /* If "Quit" selected at ATTENTION dialog, don't load the file */
|
|
|
638 if (swap_exists_action == SEA_QUIT)
|
|
|
639 {
|
|
|
640 if (!read_buffer && !read_stdin)
|
|
|
641 close(fd);
|
|
|
642 return FAIL;
|
|
|
643 }
|
|
|
644 #endif
|
|
|
645
|
|
|
646 ++no_wait_return; /* don't wait for return yet */
|
|
|
647
|
|
|
648 /*
|
|
|
649 * Set '[ mark to the line above where the lines go (line 1 if zero).
|
|
|
650 */
|
|
|
651 curbuf->b_op_start.lnum = ((from == 0) ? 1 : from);
|
|
|
652 curbuf->b_op_start.col = 0;
|
|
|
653
|
|
|
654 #ifdef FEAT_AUTOCMD
|
|
|
655 if (!read_buffer)
|
|
|
656 {
|
|
|
657 int m = msg_scroll;
|
|
|
658 int n = msg_scrolled;
|
|
|
659 buf_T *old_curbuf = curbuf;
|
|
|
660
|
|
|
661 /*
|
|
|
662 * The file must be closed again, the autocommands may want to change
|
|
|
663 * the file before reading it.
|
|
|
664 */
|
|
|
665 if (!read_stdin)
|
|
|
666 close(fd); /* ignore errors */
|
|
|
667
|
|
|
668 /*
|
|
|
669 * The output from the autocommands should not overwrite anything and
|
|
|
670 * should not be overwritten: Set msg_scroll, restore its value if no
|
|
|
671 * output was done.
|
|
|
672 */
|
|
|
673 msg_scroll = TRUE;
|
|
|
674 if (filtering)
|
|
|
675 apply_autocmds_exarg(EVENT_FILTERREADPRE, NULL, sfname,
|
|
|
676 FALSE, curbuf, eap);
|
|
|
677 else if (read_stdin)
|
|
|
678 apply_autocmds_exarg(EVENT_STDINREADPRE, NULL, sfname,
|
|
|
679 FALSE, curbuf, eap);
|
|
|
680 else if (newfile)
|
|
|
681 apply_autocmds_exarg(EVENT_BUFREADPRE, NULL, sfname,
|
|
|
682 FALSE, curbuf, eap);
|
|
|
683 else
|
|
|
684 apply_autocmds_exarg(EVENT_FILEREADPRE, sfname, sfname,
|
|
|
685 FALSE, NULL, eap);
|
|
|
686 if (msg_scrolled == n)
|
|
|
687 msg_scroll = m;
|
|
|
688
|
|
|
689 #ifdef FEAT_EVAL
|
|
|
690 if (aborting()) /* autocmds may abort script processing */
|
|
|
691 {
|
|
|
692 --no_wait_return;
|
|
|
693 msg_scroll = msg_save;
|
|
|
694 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
695 return FAIL;
|
|
|
696 }
|
|
|
697 #endif
|
|
|
698 /*
|
|
|
699 * Don't allow the autocommands to change the current buffer.
|
|
|
700 * Try to re-open the file.
|
|
|
701 */
|
|
|
702 if (!read_stdin && (curbuf != old_curbuf
|
|
|
703 || (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) < 0))
|
|
|
704 {
|
|
|
705 --no_wait_return;
|
|
|
706 msg_scroll = msg_save;
|
|
|
707 if (fd < 0)
|
|
|
708 EMSG(_("E200: *ReadPre autocommands made the file unreadable"));
|
|
|
709 else
|
|
|
710 EMSG(_("E201: *ReadPre autocommands must not change current buffer"));
|
|
|
711 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
712 return FAIL;
|
|
|
713 }
|
|
|
714 }
|
|
|
715 #endif /* FEAT_AUTOCMD */
|
|
|
716
|
|
|
717 /* Autocommands may add lines to the file, need to check if it is empty */
|
|
|
718 wasempty = (curbuf->b_ml.ml_flags & ML_EMPTY);
|
|
|
719
|
|
|
720 if (!recoverymode && !filtering && !(flags & READ_DUMMY))
|
|
|
721 {
|
|
|
722 /*
|
|
|
723 * Show the user that we are busy reading the input. Sometimes this
|
|
|
724 * may take a while. When reading from stdin another program may
|
|
|
725 * still be running, don't move the cursor to the last line, unless
|
|
|
726 * always using the GUI.
|
|
|
727 */
|
|
|
728 if (read_stdin)
|
|
|
729 {
|
|
|
730 #ifndef ALWAYS_USE_GUI
|
|
|
731 mch_msg(_("Vim: Reading from stdin...\n"));
|
|
|
732 #endif
|
|
|
733 #ifdef FEAT_GUI
|
|
|
734 /* Also write a message in the GUI window, if there is one. */
|
|
|
735 if (gui.in_use && !gui.dying && !gui.starting)
|
|
|
736 {
|
|
|
737 p = (char_u *)_("Reading from stdin...");
|
|
|
738 gui_write(p, (int)STRLEN(p));
|
|
|
739 }
|
|
|
740 #endif
|
|
|
741 }
|
|
|
742 else if (!read_buffer)
|
|
|
743 filemess(curbuf, sfname, (char_u *)"", 0);
|
|
|
744 }
|
|
|
745
|
|
|
746 msg_scroll = FALSE; /* overwrite the file message */
|
|
|
747
|
|
|
748 /*
|
|
|
749 * Set linecnt now, before the "retry" caused by a wrong guess for
|
|
|
750 * fileformat, and after the autocommands, which may change them.
|
|
|
751 */
|
|
|
752 linecnt = curbuf->b_ml.ml_line_count;
|
|
|
753
|
|
|
754 #ifdef FEAT_MBYTE
|
|
|
755 /*
|
|
|
756 * Decide which 'encoding' to use first.
|
|
|
757 */
|
|
|
758 if (eap != NULL && eap->force_enc != 0)
|
|
|
759 {
|
|
|
760 fenc = enc_canonize(eap->cmd + eap->force_enc);
|
|
|
761 fenc_alloced = TRUE;
|
|
|
762 }
|
|
|
763 else if (curbuf->b_p_bin)
|
|
|
764 {
|
|
|
765 fenc = (char_u *)""; /* binary: don't convert */
|
|
|
766 fenc_alloced = FALSE;
|
|
|
767 }
|
|
|
768 else if (curbuf->b_help)
|
|
|
769 {
|
|
|
770 char_u firstline[80];
|
|
301
|
771 int fc;
|
|
7
|
772
|
|
|
773 /* Help files are either utf-8 or latin1. Try utf-8 first, if this
|
|
|
774 * fails it must be latin1.
|
|
|
775 * Always do this when 'encoding' is "utf-8". Otherwise only do
|
|
|
776 * this when needed to avoid [converted] remarks all the time.
|
|
|
777 * It is needed when the first line contains non-ASCII characters.
|
|
|
778 * That is only in *.??x files. */
|
|
|
779 fenc = (char_u *)"latin1";
|
|
|
780 c = enc_utf8;
|
|
301
|
781 if (!c && !read_stdin)
|
|
|
782 {
|
|
|
783 fc = fname[STRLEN(fname) - 1];
|
|
|
784 if (TOLOWER_ASC(fc) == 'x')
|
|
|
785 {
|
|
|
786 /* Read the first line (and a bit more). Immediately rewind to
|
|
|
787 * the start of the file. If the read() fails "len" is -1. */
|
|
|
788 len = vim_read(fd, firstline, 80);
|
|
|
789 lseek(fd, (off_t)0L, SEEK_SET);
|
|
|
790 for (p = firstline; p < firstline + len; ++p)
|
|
|
791 if (*p >= 0x80)
|
|
|
792 {
|
|
|
793 c = TRUE;
|
|
|
794 break;
|
|
|
795 }
|
|
|
796 }
|
|
7
|
797 }
|
|
|
798
|
|
|
799 if (c)
|
|
|
800 {
|
|
|
801 fenc_next = fenc;
|
|
|
802 fenc = (char_u *)"utf-8";
|
|
|
803
|
|
|
804 /* When the file is utf-8 but a character doesn't fit in
|
|
|
805 * 'encoding' don't retry. In help text editing utf-8 bytes
|
|
|
806 * doesn't make sense. */
|
|
|
807 keep_dest_enc = TRUE;
|
|
|
808 }
|
|
|
809 fenc_alloced = FALSE;
|
|
|
810 }
|
|
|
811 else if (*p_fencs == NUL)
|
|
|
812 {
|
|
|
813 fenc = curbuf->b_p_fenc; /* use format from buffer */
|
|
|
814 fenc_alloced = FALSE;
|
|
|
815 }
|
|
|
816 else
|
|
|
817 {
|
|
|
818 fenc_next = p_fencs; /* try items in 'fileencodings' */
|
|
|
819 fenc = next_fenc(&fenc_next);
|
|
|
820 fenc_alloced = TRUE;
|
|
|
821 }
|
|
|
822 #endif
|
|
|
823
|
|
|
824 /*
|
|
|
825 * Jump back here to retry reading the file in different ways.
|
|
|
826 * Reasons to retry:
|
|
|
827 * - encoding conversion failed: try another one from "fenc_next"
|
|
|
828 * - BOM detected and fenc was set, need to setup conversion
|
|
|
829 * - "fileformat" check failed: try another
|
|
|
830 *
|
|
|
831 * Variables set for special retry actions:
|
|
|
832 * "file_rewind" Rewind the file to start reading it again.
|
|
|
833 * "advance_fenc" Advance "fenc" using "fenc_next".
|
|
|
834 * "skip_read" Re-use already read bytes (BOM detected).
|
|
|
835 * "did_iconv" iconv() conversion failed, try 'charconvert'.
|
|
|
836 * "keep_fileformat" Don't reset "fileformat".
|
|
|
837 *
|
|
|
838 * Other status indicators:
|
|
|
839 * "tmpname" When != NULL did conversion with 'charconvert'.
|
|
|
840 * Output file has to be deleted afterwards.
|
|
|
841 * "iconv_fd" When != -1 did conversion with iconv().
|
|
|
842 */
|
|
|
843 retry:
|
|
|
844
|
|
|
845 if (file_rewind)
|
|
|
846 {
|
|
|
847 if (read_buffer)
|
|
|
848 {
|
|
|
849 read_buf_lnum = 1;
|
|
|
850 read_buf_col = 0;
|
|
|
851 }
|
|
|
852 else if (read_stdin || lseek(fd, (off_t)0L, SEEK_SET) != 0)
|
|
|
853 {
|
|
|
854 /* Can't rewind the file, give up. */
|
|
|
855 error = TRUE;
|
|
|
856 goto failed;
|
|
|
857 }
|
|
|
858 /* Delete the previously read lines. */
|
|
|
859 while (lnum > from)
|
|
|
860 ml_delete(lnum--, FALSE);
|
|
|
861 file_rewind = FALSE;
|
|
|
862 #ifdef FEAT_MBYTE
|
|
|
863 if (newfile)
|
|
|
864 curbuf->b_p_bomb = FALSE;
|
|
|
865 conv_error = FALSE;
|
|
|
866 #endif
|
|
|
867 }
|
|
|
868
|
|
|
869 /*
|
|
|
870 * When retrying with another "fenc" and the first time "fileformat"
|
|
|
871 * will be reset.
|
|
|
872 */
|
|
|
873 if (keep_fileformat)
|
|
|
874 keep_fileformat = FALSE;
|
|
|
875 else
|
|
|
876 {
|
|
|
877 if (eap != NULL && eap->force_ff != 0)
|
|
|
878 fileformat = get_fileformat_force(curbuf, eap);
|
|
|
879 else if (curbuf->b_p_bin)
|
|
|
880 fileformat = EOL_UNIX; /* binary: use Unix format */
|
|
|
881 else if (*p_ffs == NUL)
|
|
|
882 fileformat = get_fileformat(curbuf);/* use format from buffer */
|
|
|
883 else
|
|
|
884 fileformat = EOL_UNKNOWN; /* detect from file */
|
|
|
885 }
|
|
|
886
|
|
|
887 #ifdef FEAT_MBYTE
|
|
|
888 # ifdef USE_ICONV
|
|
|
889 if (iconv_fd != (iconv_t)-1)
|
|
|
890 {
|
|
|
891 /* aborted conversion with iconv(), close the descriptor */
|
|
|
892 iconv_close(iconv_fd);
|
|
|
893 iconv_fd = (iconv_t)-1;
|
|
|
894 }
|
|
|
895 # endif
|
|
|
896
|
|
|
897 if (advance_fenc)
|
|
|
898 {
|
|
|
899 /*
|
|
|
900 * Try the next entry in 'fileencodings'.
|
|
|
901 */
|
|
|
902 advance_fenc = FALSE;
|
|
|
903
|
|
|
904 if (eap != NULL && eap->force_enc != 0)
|
|
|
905 {
|
|
|
906 /* Conversion given with "++cc=" wasn't possible, read
|
|
|
907 * without conversion. */
|
|
|
908 notconverted = TRUE;
|
|
|
909 conv_error = FALSE;
|
|
|
910 if (fenc_alloced)
|
|
|
911 vim_free(fenc);
|
|
|
912 fenc = (char_u *)"";
|
|
|
913 fenc_alloced = FALSE;
|
|
|
914 }
|
|
|
915 else
|
|
|
916 {
|
|
|
917 if (fenc_alloced)
|
|
|
918 vim_free(fenc);
|
|
|
919 if (fenc_next != NULL)
|
|
|
920 {
|
|
|
921 fenc = next_fenc(&fenc_next);
|
|
|
922 fenc_alloced = (fenc_next != NULL);
|
|
|
923 }
|
|
|
924 else
|
|
|
925 {
|
|
|
926 fenc = (char_u *)"";
|
|
|
927 fenc_alloced = FALSE;
|
|
|
928 }
|
|
|
929 }
|
|
|
930 if (tmpname != NULL)
|
|
|
931 {
|
|
|
932 mch_remove(tmpname); /* delete converted file */
|
|
|
933 vim_free(tmpname);
|
|
|
934 tmpname = NULL;
|
|
|
935 }
|
|
|
936 }
|
|
|
937
|
|
|
938 /*
|
|
|
939 * Conversion is required when the encoding of the file is different
|
|
|
940 * from 'encoding' or 'encoding' is UTF-16, UCS-2 or UCS-4 (requires
|
|
|
941 * conversion to UTF-8).
|
|
|
942 */
|
|
|
943 fio_flags = 0;
|
|
|
944 converted = (*fenc != NUL && !same_encoding(p_enc, fenc));
|
|
|
945 if (converted || enc_unicode != 0)
|
|
|
946 {
|
|
|
947
|
|
|
948 /* "ucs-bom" means we need to check the first bytes of the file
|
|
|
949 * for a BOM. */
|
|
|
950 if (STRCMP(fenc, ENC_UCSBOM) == 0)
|
|
|
951 fio_flags = FIO_UCSBOM;
|
|
|
952
|
|
|
953 /*
|
|
|
954 * Check if UCS-2/4 or Latin1 to UTF-8 conversion needs to be
|
|
|
955 * done. This is handled below after read(). Prepare the
|
|
|
956 * fio_flags to avoid having to parse the string each time.
|
|
|
957 * Also check for Unicode to Latin1 conversion, because iconv()
|
|
|
958 * appears not to handle this correctly. This works just like
|
|
|
959 * conversion to UTF-8 except how the resulting character is put in
|
|
|
960 * the buffer.
|
|
|
961 */
|
|
|
962 else if (enc_utf8 || STRCMP(p_enc, "latin1") == 0)
|
|
|
963 fio_flags = get_fio_flags(fenc);
|
|
|
964
|
|
|
965 # ifdef WIN3264
|
|
|
966 /*
|
|
|
967 * Conversion from an MS-Windows codepage to UTF-8 or another codepage
|
|
|
968 * is handled with MultiByteToWideChar().
|
|
|
969 */
|
|
|
970 if (fio_flags == 0)
|
|
|
971 fio_flags = get_win_fio_flags(fenc);
|
|
|
972 # endif
|
|
|
973
|
|
|
974 # ifdef MACOS_X
|
|
|
975 /* Conversion from Apple MacRoman to latin1 or UTF-8 */
|
|
|
976 if (fio_flags == 0)
|
|
|
977 fio_flags = get_mac_fio_flags(fenc);
|
|
|
978 # endif
|
|
|
979
|
|
|
980 # ifdef USE_ICONV
|
|
|
981 /*
|
|
|
982 * Try using iconv() if we can't convert internally.
|
|
|
983 */
|
|
|
984 if (fio_flags == 0
|
|
|
985 # ifdef FEAT_EVAL
|
|
|
986 && !did_iconv
|
|
|
987 # endif
|
|
|
988 )
|
|
|
989 iconv_fd = (iconv_t)my_iconv_open(
|
|
|
990 enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc);
|
|
|
991 # endif
|
|
|
992
|
|
|
993 # ifdef FEAT_EVAL
|
|
|
994 /*
|
|
|
995 * Use the 'charconvert' expression when conversion is required
|
|
|
996 * and we can't do it internally or with iconv().
|
|
|
997 */
|
|
|
998 if (fio_flags == 0 && !read_stdin && !read_buffer && *p_ccv != NUL
|
|
|
999 # ifdef USE_ICONV
|
|
|
1000 && iconv_fd == (iconv_t)-1
|
|
|
1001 # endif
|
|
|
1002 )
|
|
|
1003 {
|
|
|
1004 # ifdef USE_ICONV
|
|
|
1005 did_iconv = FALSE;
|
|
|
1006 # endif
|
|
|
1007 /* Skip conversion when it's already done (retry for wrong
|
|
|
1008 * "fileformat"). */
|
|
|
1009 if (tmpname == NULL)
|
|
|
1010 {
|
|
|
1011 tmpname = readfile_charconvert(fname, fenc, &fd);
|
|
|
1012 if (tmpname == NULL)
|
|
|
1013 {
|
|
|
1014 /* Conversion failed. Try another one. */
|
|
|
1015 advance_fenc = TRUE;
|
|
|
1016 if (fd < 0)
|
|
|
1017 {
|
|
|
1018 /* Re-opening the original file failed! */
|
|
|
1019 EMSG(_("E202: Conversion made file unreadable!"));
|
|
|
1020 error = TRUE;
|
|
|
1021 goto failed;
|
|
|
1022 }
|
|
|
1023 goto retry;
|
|
|
1024 }
|
|
|
1025 }
|
|
|
1026 }
|
|
|
1027 else
|
|
|
1028 # endif
|
|
|
1029 {
|
|
|
1030 if (fio_flags == 0
|
|
|
1031 # ifdef USE_ICONV
|
|
|
1032 && iconv_fd == (iconv_t)-1
|
|
|
1033 # endif
|
|
|
1034 )
|
|
|
1035 {
|
|
|
1036 /* Conversion wanted but we can't.
|
|
|
1037 * Try the next conversion in 'fileencodings' */
|
|
|
1038 advance_fenc = TRUE;
|
|
|
1039 goto retry;
|
|
|
1040 }
|
|
|
1041 }
|
|
|
1042 }
|
|
|
1043
|
|
|
1044 /* Set can_retry when it's possible to rewind the file and try with
|
|
|
1045 * another "fenc" value. It's FALSE when no other "fenc" to try, reading
|
|
|
1046 * stdin or "fenc" was specified with "++enc=". */
|
|
|
1047 can_retry = (*fenc != NUL && !read_stdin
|
|
|
1048 && (eap == NULL || eap->force_enc == 0));
|
|
|
1049 #endif
|
|
|
1050
|
|
|
1051 if (!skip_read)
|
|
|
1052 {
|
|
|
1053 linerest = 0;
|
|
|
1054 filesize = 0;
|
|
|
1055 skip_count = lines_to_skip;
|
|
|
1056 read_count = lines_to_read;
|
|
|
1057 #ifdef FEAT_MBYTE
|
|
|
1058 conv_restlen = 0;
|
|
|
1059 #endif
|
|
|
1060 }
|
|
|
1061
|
|
|
1062 while (!error && !got_int)
|
|
|
1063 {
|
|
|
1064 /*
|
|
|
1065 * We allocate as much space for the file as we can get, plus
|
|
|
1066 * space for the old line plus room for one terminating NUL.
|
|
|
1067 * The amount is limited by the fact that read() only can read
|
|
|
1068 * upto max_unsigned characters (and other things).
|
|
|
1069 */
|
|
|
1070 #if SIZEOF_INT <= 2
|
|
|
1071 if (linerest >= 0x7ff0)
|
|
|
1072 {
|
|
|
1073 ++split;
|
|
|
1074 *ptr = NL; /* split line by inserting a NL */
|
|
|
1075 size = 1;
|
|
|
1076 }
|
|
|
1077 else
|
|
|
1078 #endif
|
|
|
1079 {
|
|
|
1080 if (!skip_read)
|
|
|
1081 {
|
|
|
1082 #if SIZEOF_INT > 2
|
|
|
1083 # ifdef __TANDEM
|
|
|
1084 size = SSIZE_MAX; /* use max I/O size, 52K */
|
|
|
1085 # else
|
|
|
1086 size = 0x10000L; /* use buffer >= 64K */
|
|
|
1087 # endif
|
|
|
1088 #else
|
|
|
1089 size = 0x7ff0L - linerest; /* limit buffer to 32K */
|
|
|
1090 #endif
|
|
|
1091
|
|
|
1092 for ( ; size >= 10; size = (long_u)size >> 1)
|
|
|
1093 {
|
|
|
1094 if ((new_buffer = lalloc((long_u)(size + linerest + 1),
|
|
|
1095 FALSE)) != NULL)
|
|
|
1096 break;
|
|
|
1097 }
|
|
|
1098 if (new_buffer == NULL)
|
|
|
1099 {
|
|
|
1100 do_outofmem_msg((long_u)(size * 2 + linerest + 1));
|
|
|
1101 error = TRUE;
|
|
|
1102 break;
|
|
|
1103 }
|
|
|
1104 if (linerest) /* copy characters from the previous buffer */
|
|
|
1105 mch_memmove(new_buffer, ptr - linerest, (size_t)linerest);
|
|
|
1106 vim_free(buffer);
|
|
|
1107 buffer = new_buffer;
|
|
|
1108 ptr = buffer + linerest;
|
|
|
1109 line_start = buffer;
|
|
|
1110
|
|
|
1111 #ifdef FEAT_MBYTE
|
|
|
1112 /* May need room to translate into.
|
|
|
1113 * For iconv() we don't really know the required space, use a
|
|
|
1114 * factor ICONV_MULT.
|
|
|
1115 * latin1 to utf-8: 1 byte becomes up to 2 bytes
|
|
|
1116 * utf-16 to utf-8: 2 bytes become up to 3 bytes, 4 bytes
|
|
|
1117 * become up to 4 bytes, size must be multiple of 2
|
|
|
1118 * ucs-2 to utf-8: 2 bytes become up to 3 bytes, size must be
|
|
|
1119 * multiple of 2
|
|
|
1120 * ucs-4 to utf-8: 4 bytes become up to 6 bytes, size must be
|
|
|
1121 * multiple of 4 */
|
|
|
1122 real_size = size;
|
|
|
1123 # ifdef USE_ICONV
|
|
|
1124 if (iconv_fd != (iconv_t)-1)
|
|
|
1125 size = size / ICONV_MULT;
|
|
|
1126 else
|
|
|
1127 # endif
|
|
|
1128 if (fio_flags & FIO_LATIN1)
|
|
|
1129 size = size / 2;
|
|
|
1130 else if (fio_flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
1131 size = (size * 2 / 3) & ~1;
|
|
|
1132 else if (fio_flags & FIO_UCS4)
|
|
|
1133 size = (size * 2 / 3) & ~3;
|
|
|
1134 else if (fio_flags == FIO_UCSBOM)
|
|
|
1135 size = size / ICONV_MULT; /* worst case */
|
|
|
1136 # ifdef WIN3264
|
|
|
1137 else if (fio_flags & FIO_CODEPAGE)
|
|
|
1138 size = size / ICONV_MULT; /* also worst case */
|
|
|
1139 # endif
|
|
|
1140 # ifdef MACOS_X
|
|
|
1141 else if (fio_flags & FIO_MACROMAN)
|
|
|
1142 size = size / ICONV_MULT; /* also worst case */
|
|
|
1143 # endif
|
|
|
1144 #endif
|
|
|
1145
|
|
|
1146 #ifdef FEAT_MBYTE
|
|
|
1147 if (conv_restlen > 0)
|
|
|
1148 {
|
|
|
1149 /* Insert unconverted bytes from previous line. */
|
|
|
1150 mch_memmove(ptr, conv_rest, conv_restlen);
|
|
|
1151 ptr += conv_restlen;
|
|
|
1152 size -= conv_restlen;
|
|
|
1153 }
|
|
|
1154 #endif
|
|
|
1155
|
|
|
1156 if (read_buffer)
|
|
|
1157 {
|
|
|
1158 /*
|
|
|
1159 * Read bytes from curbuf. Used for converting text read
|
|
|
1160 * from stdin.
|
|
|
1161 */
|
|
|
1162 if (read_buf_lnum > from)
|
|
|
1163 size = 0;
|
|
|
1164 else
|
|
|
1165 {
|
|
|
1166 int n, ni;
|
|
|
1167 long tlen;
|
|
|
1168
|
|
|
1169 tlen = 0;
|
|
|
1170 for (;;)
|
|
|
1171 {
|
|
|
1172 p = ml_get(read_buf_lnum) + read_buf_col;
|
|
|
1173 n = (int)STRLEN(p);
|
|
|
1174 if ((int)tlen + n + 1 > size)
|
|
|
1175 {
|
|
|
1176 /* Filled up to "size", append partial line.
|
|
|
1177 * Change NL to NUL to reverse the effect done
|
|
|
1178 * below. */
|
|
|
1179 n = size - tlen;
|
|
|
1180 for (ni = 0; ni < n; ++ni)
|
|
|
1181 {
|
|
|
1182 if (p[ni] == NL)
|
|
|
1183 ptr[tlen++] = NUL;
|
|
|
1184 else
|
|
|
1185 ptr[tlen++] = p[ni];
|
|
|
1186 }
|
|
|
1187 read_buf_col += n;
|
|
|
1188 break;
|
|
|
1189 }
|
|
|
1190 else
|
|
|
1191 {
|
|
|
1192 /* Append whole line and new-line. Change NL
|
|
|
1193 * to NUL to reverse the effect done below. */
|
|
|
1194 for (ni = 0; ni < n; ++ni)
|
|
|
1195 {
|
|
|
1196 if (p[ni] == NL)
|
|
|
1197 ptr[tlen++] = NUL;
|
|
|
1198 else
|
|
|
1199 ptr[tlen++] = p[ni];
|
|
|
1200 }
|
|
|
1201 ptr[tlen++] = NL;
|
|
|
1202 read_buf_col = 0;
|
|
|
1203 if (++read_buf_lnum > from)
|
|
|
1204 {
|
|
|
1205 /* When the last line didn't have an
|
|
|
1206 * end-of-line don't add it now either. */
|
|
|
1207 if (!curbuf->b_p_eol)
|
|
|
1208 --tlen;
|
|
|
1209 size = tlen;
|
|
|
1210 break;
|
|
|
1211 }
|
|
|
1212 }
|
|
|
1213 }
|
|
|
1214 }
|
|
|
1215 }
|
|
|
1216 else
|
|
|
1217 {
|
|
|
1218 /*
|
|
|
1219 * Read bytes from the file.
|
|
|
1220 */
|
|
|
1221 size = vim_read(fd, ptr, size);
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 if (size <= 0)
|
|
|
1225 {
|
|
|
1226 if (size < 0) /* read error */
|
|
|
1227 error = TRUE;
|
|
|
1228 #ifdef FEAT_MBYTE
|
|
|
1229 else if (conv_restlen > 0)
|
|
|
1230 /* some trailing bytes unconverted */
|
|
|
1231 conv_error = TRUE;
|
|
|
1232 #endif
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 #ifdef FEAT_CRYPT
|
|
|
1236 /*
|
|
|
1237 * At start of file: Check for magic number of encryption.
|
|
|
1238 */
|
|
|
1239 if (filesize == 0)
|
|
|
1240 cryptkey = check_for_cryptkey(cryptkey, ptr, &size,
|
|
|
1241 &filesize, newfile);
|
|
|
1242 /*
|
|
|
1243 * Decrypt the read bytes.
|
|
|
1244 */
|
|
|
1245 if (cryptkey != NULL && size > 0)
|
|
|
1246 for (p = ptr; p < ptr + size; ++p)
|
|
|
1247 ZDECODE(*p);
|
|
|
1248 #endif
|
|
|
1249 }
|
|
|
1250 skip_read = FALSE;
|
|
|
1251
|
|
|
1252 #ifdef FEAT_MBYTE
|
|
|
1253 /*
|
|
|
1254 * At start of file (or after crypt magic number): Check for BOM.
|
|
|
1255 * Also check for a BOM for other Unicode encodings, but not after
|
|
|
1256 * converting with 'charconvert' or when a BOM has already been
|
|
|
1257 * found.
|
|
|
1258 */
|
|
|
1259 if ((filesize == 0
|
|
|
1260 # ifdef FEAT_CRYPT
|
|
|
1261 || (filesize == CRYPT_MAGIC_LEN && cryptkey != NULL)
|
|
|
1262 # endif
|
|
|
1263 )
|
|
|
1264 && (fio_flags == FIO_UCSBOM
|
|
|
1265 || (!curbuf->b_p_bomb
|
|
|
1266 && tmpname == NULL
|
|
|
1267 && (*fenc == 'u' || (*fenc == NUL && enc_utf8)))))
|
|
|
1268 {
|
|
|
1269 char_u *ccname;
|
|
|
1270 int blen;
|
|
|
1271
|
|
|
1272 /* no BOM detection in a short file or in binary mode */
|
|
|
1273 if (size < 2 || curbuf->b_p_bin)
|
|
|
1274 ccname = NULL;
|
|
|
1275 else
|
|
|
1276 ccname = check_for_bom(ptr, size, &blen,
|
|
|
1277 fio_flags == FIO_UCSBOM ? FIO_ALL : get_fio_flags(fenc));
|
|
|
1278 if (ccname != NULL)
|
|
|
1279 {
|
|
|
1280 /* Remove BOM from the text */
|
|
|
1281 filesize += blen;
|
|
|
1282 size -= blen;
|
|
|
1283 mch_memmove(ptr, ptr + blen, (size_t)size);
|
|
|
1284 if (newfile)
|
|
|
1285 curbuf->b_p_bomb = TRUE;
|
|
|
1286 }
|
|
|
1287
|
|
|
1288 if (fio_flags == FIO_UCSBOM)
|
|
|
1289 {
|
|
|
1290 if (ccname == NULL)
|
|
|
1291 {
|
|
|
1292 /* No BOM detected: retry with next encoding. */
|
|
|
1293 advance_fenc = TRUE;
|
|
|
1294 }
|
|
|
1295 else
|
|
|
1296 {
|
|
|
1297 /* BOM detected: set "fenc" and jump back */
|
|
|
1298 if (fenc_alloced)
|
|
|
1299 vim_free(fenc);
|
|
|
1300 fenc = ccname;
|
|
|
1301 fenc_alloced = FALSE;
|
|
|
1302 }
|
|
|
1303 /* retry reading without getting new bytes or rewinding */
|
|
|
1304 skip_read = TRUE;
|
|
|
1305 goto retry;
|
|
|
1306 }
|
|
|
1307 }
|
|
|
1308 #endif
|
|
|
1309 /*
|
|
|
1310 * Break here for a read error or end-of-file.
|
|
|
1311 */
|
|
|
1312 if (size <= 0)
|
|
|
1313 break;
|
|
|
1314
|
|
|
1315 #ifdef FEAT_MBYTE
|
|
|
1316
|
|
|
1317 /* Include not converted bytes. */
|
|
|
1318 ptr -= conv_restlen;
|
|
|
1319 size += conv_restlen;
|
|
|
1320 conv_restlen = 0;
|
|
|
1321
|
|
|
1322 # ifdef USE_ICONV
|
|
|
1323 if (iconv_fd != (iconv_t)-1)
|
|
|
1324 {
|
|
|
1325 /*
|
|
|
1326 * Attempt conversion of the read bytes to 'encoding' using
|
|
|
1327 * iconv().
|
|
|
1328 */
|
|
|
1329 const char *fromp;
|
|
|
1330 char *top;
|
|
|
1331 size_t from_size;
|
|
|
1332 size_t to_size;
|
|
|
1333
|
|
|
1334 fromp = (char *)ptr;
|
|
|
1335 from_size = size;
|
|
|
1336 ptr += size;
|
|
|
1337 top = (char *)ptr;
|
|
|
1338 to_size = real_size - size;
|
|
|
1339
|
|
|
1340 /*
|
|
|
1341 * If there is conversion error or not enough room try using
|
|
179
|
1342 * another conversion. Except for when there is no
|
|
|
1343 * alternative (help files).
|
|
7
|
1344 */
|
|
177
|
1345 while ((iconv(iconv_fd, (void *)&fromp, &from_size,
|
|
|
1346 &top, &to_size)
|
|
7
|
1347 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL)
|
|
|
1348 || from_size > CONV_RESTLEN)
|
|
177
|
1349 {
|
|
375
|
1350 if (!keep_dest_enc && can_retry)
|
|
|
1351 goto rewind_retry;
|
|
177
|
1352 if (!keep_dest_enc)
|
|
375
|
1353 conv_error = TRUE;
|
|
|
1354
|
|
177
|
1355 /* Ignore a byte and try again. */
|
|
|
1356 ++fromp;
|
|
|
1357 --from_size;
|
|
|
1358 *top++ = '?';
|
|
|
1359 --to_size;
|
|
|
1360 }
|
|
7
|
1361
|
|
|
1362 if (from_size > 0)
|
|
|
1363 {
|
|
|
1364 /* Some remaining characters, keep them for the next
|
|
|
1365 * round. */
|
|
|
1366 mch_memmove(conv_rest, (char_u *)fromp, from_size);
|
|
|
1367 conv_restlen = (int)from_size;
|
|
|
1368 }
|
|
|
1369
|
|
|
1370 /* move the linerest to before the converted characters */
|
|
|
1371 line_start = ptr - linerest;
|
|
|
1372 mch_memmove(line_start, buffer, (size_t)linerest);
|
|
|
1373 size = (long)((char_u *)top - ptr);
|
|
|
1374 }
|
|
|
1375 # endif
|
|
|
1376
|
|
|
1377 # ifdef WIN3264
|
|
|
1378 if (fio_flags & FIO_CODEPAGE)
|
|
|
1379 {
|
|
|
1380 /*
|
|
|
1381 * Conversion from an MS-Windows codepage or UTF-8 to UTF-8 or
|
|
|
1382 * a codepage, using standard MS-Windows functions.
|
|
|
1383 * 1. find out how many ucs-2 characters there are.
|
|
|
1384 * 2. convert from 'fileencoding' to ucs-2
|
|
|
1385 * 3. convert from ucs-2 to 'encoding'
|
|
|
1386 */
|
|
|
1387 char_u *ucsp;
|
|
|
1388 size_t from_size = size;
|
|
|
1389 int needed;
|
|
|
1390 char_u *p;
|
|
|
1391 int u8c;
|
|
|
1392
|
|
|
1393 /*
|
|
|
1394 * 1. find out how many ucs-2 characters there are.
|
|
|
1395 */
|
|
|
1396 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
1397 if (FIO_GET_CP(fio_flags) == CP_UTF8)
|
|
|
1398 {
|
|
|
1399 int l, flen;
|
|
|
1400
|
|
|
1401 /* Handle CP_UTF8 ourselves to be able to handle trailing
|
|
|
1402 * bytes properly. First find out the number of
|
|
|
1403 * characters and check for trailing bytes. */
|
|
|
1404 needed = 0;
|
|
|
1405 p = ptr;
|
|
|
1406 for (flen = from_size; flen > 0; flen -= l)
|
|
|
1407 {
|
|
474
|
1408 l = utf_ptr2len_len(p, flen);
|
|
7
|
1409 if (l > flen) /* incomplete char */
|
|
|
1410 {
|
|
|
1411 if (l > CONV_RESTLEN)
|
|
|
1412 /* weird overlong byte sequence */
|
|
|
1413 goto rewind_retry;
|
|
|
1414 mch_memmove(conv_rest, p, flen);
|
|
|
1415 conv_restlen = flen;
|
|
|
1416 from_size -= flen;
|
|
|
1417 break;
|
|
|
1418 }
|
|
|
1419 if (l == 1 && *p >= 0x80) /* illegal byte */
|
|
|
1420 goto rewind_retry;
|
|
|
1421 ++needed;
|
|
|
1422 p += l;
|
|
|
1423 }
|
|
|
1424 }
|
|
|
1425 else
|
|
|
1426 # endif
|
|
|
1427 {
|
|
|
1428 /* We can't tell if the last byte of an MBCS string is
|
|
|
1429 * valid and MultiByteToWideChar() returns zero if it
|
|
|
1430 * isn't. Try the whole string, and if that fails, bump
|
|
|
1431 * the last byte into conv_rest and try again. */
|
|
|
1432 needed = MultiByteToWideChar(FIO_GET_CP(fio_flags),
|
|
|
1433 MB_ERR_INVALID_CHARS, (LPCSTR)ptr, from_size,
|
|
|
1434 NULL, 0);
|
|
|
1435 if (needed == 0)
|
|
|
1436 {
|
|
|
1437 conv_rest[0] = ptr[from_size - 1];
|
|
|
1438 conv_restlen = 1;
|
|
|
1439 --from_size;
|
|
|
1440 needed = MultiByteToWideChar(FIO_GET_CP(fio_flags),
|
|
|
1441 MB_ERR_INVALID_CHARS, (LPCSTR)ptr, from_size,
|
|
|
1442 NULL, 0);
|
|
|
1443 }
|
|
|
1444
|
|
|
1445 /* If there really is a conversion error, try using another
|
|
|
1446 * conversion. */
|
|
|
1447 if (needed == 0)
|
|
|
1448 goto rewind_retry;
|
|
|
1449 }
|
|
|
1450
|
|
|
1451 /*
|
|
|
1452 * 2. convert from 'fileencoding' to ucs-2
|
|
|
1453 *
|
|
|
1454 * Put the result of conversion to UCS-2 at the end of the
|
|
|
1455 * buffer, then convert from UCS-2 to UTF-8 or "enc_codepage"
|
|
|
1456 * into the start of the buffer. If there is not enough space
|
|
|
1457 * just fail, there is probably something wrong.
|
|
|
1458 */
|
|
|
1459 ucsp = ptr + real_size - (needed * sizeof(WCHAR));
|
|
|
1460 if (ucsp < ptr + size)
|
|
|
1461 goto rewind_retry;
|
|
|
1462
|
|
|
1463 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
1464 if (FIO_GET_CP(fio_flags) == CP_UTF8)
|
|
|
1465 {
|
|
|
1466 int l, flen;
|
|
|
1467
|
|
|
1468 /* Convert from utf-8 to ucs-2. */
|
|
|
1469 needed = 0;
|
|
|
1470 p = ptr;
|
|
|
1471 for (flen = from_size; flen > 0; flen -= l)
|
|
|
1472 {
|
|
474
|
1473 l = utf_ptr2len_len(p, flen);
|
|
7
|
1474 u8c = utf_ptr2char(p);
|
|
|
1475 ucsp[needed * 2] = (u8c & 0xff);
|
|
|
1476 ucsp[needed * 2 + 1] = (u8c >> 8);
|
|
|
1477 ++needed;
|
|
|
1478 p += l;
|
|
|
1479 }
|
|
|
1480 }
|
|
|
1481 else
|
|
|
1482 # endif
|
|
|
1483 needed = MultiByteToWideChar(FIO_GET_CP(fio_flags),
|
|
|
1484 MB_ERR_INVALID_CHARS, (LPCSTR)ptr,
|
|
|
1485 from_size, (LPWSTR)ucsp, needed);
|
|
|
1486
|
|
|
1487 /*
|
|
|
1488 * 3. convert from ucs-2 to 'encoding'
|
|
|
1489 */
|
|
|
1490 if (enc_utf8)
|
|
|
1491 {
|
|
|
1492 /* From UCS-2 to UTF-8. Cannot fail. */
|
|
|
1493 p = ptr;
|
|
|
1494 for (; needed > 0; --needed)
|
|
|
1495 {
|
|
|
1496 u8c = *ucsp++;
|
|
|
1497 u8c += (*ucsp++ << 8);
|
|
|
1498 p += utf_char2bytes(u8c, p);
|
|
|
1499 }
|
|
|
1500 size = p - ptr;
|
|
|
1501 }
|
|
|
1502 else
|
|
|
1503 {
|
|
|
1504 BOOL bad = FALSE;
|
|
|
1505
|
|
|
1506 /* From UCS-2 to "enc_codepage". If the conversion uses
|
|
|
1507 * the default character "?", the data doesn't fit in this
|
|
|
1508 * encoding, so fail (unless forced). */
|
|
|
1509 size = WideCharToMultiByte(enc_codepage, 0,
|
|
|
1510 (LPCWSTR)ucsp, needed,
|
|
|
1511 (LPSTR)ptr, real_size, "?", &bad);
|
|
|
1512 if (bad && !keep_dest_enc)
|
|
|
1513 goto rewind_retry;
|
|
|
1514 }
|
|
|
1515 }
|
|
|
1516 else
|
|
|
1517 # endif
|
|
|
1518 # ifdef MACOS_X
|
|
|
1519 if (fio_flags & FIO_MACROMAN)
|
|
|
1520 {
|
|
|
1521 /*
|
|
|
1522 * Conversion from Apple MacRoman char encoding to UTF-8 or
|
|
18
|
1523 * latin1. This is in os_mac_conv.c.
|
|
7
|
1524 */
|
|
18
|
1525 if (macroman2enc(ptr, &size, real_size) == FAIL)
|
|
7
|
1526 goto rewind_retry;
|
|
|
1527 }
|
|
|
1528 else
|
|
|
1529 # endif
|
|
|
1530 if (fio_flags != 0)
|
|
|
1531 {
|
|
|
1532 int u8c;
|
|
|
1533 char_u *dest;
|
|
|
1534 char_u *tail = NULL;
|
|
|
1535
|
|
|
1536 /*
|
|
|
1537 * "enc_utf8" set: Convert Unicode or Latin1 to UTF-8.
|
|
|
1538 * "enc_utf8" not set: Convert Unicode to Latin1.
|
|
|
1539 * Go from end to start through the buffer, because the number
|
|
|
1540 * of bytes may increase.
|
|
|
1541 * "dest" points to after where the UTF-8 bytes go, "p" points
|
|
|
1542 * to after the next character to convert.
|
|
|
1543 */
|
|
|
1544 dest = ptr + real_size;
|
|
|
1545 if (fio_flags == FIO_LATIN1 || fio_flags == FIO_UTF8)
|
|
|
1546 {
|
|
|
1547 p = ptr + size;
|
|
|
1548 if (fio_flags == FIO_UTF8)
|
|
|
1549 {
|
|
|
1550 /* Check for a trailing incomplete UTF-8 sequence */
|
|
|
1551 tail = ptr + size - 1;
|
|
|
1552 while (tail > ptr && (*tail & 0xc0) == 0x80)
|
|
|
1553 --tail;
|
|
|
1554 if (tail + utf_byte2len(*tail) <= ptr + size)
|
|
|
1555 tail = NULL;
|
|
|
1556 else
|
|
|
1557 p = tail;
|
|
|
1558 }
|
|
|
1559 }
|
|
|
1560 else if (fio_flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
1561 {
|
|
|
1562 /* Check for a trailing byte */
|
|
|
1563 p = ptr + (size & ~1);
|
|
|
1564 if (size & 1)
|
|
|
1565 tail = p;
|
|
|
1566 if ((fio_flags & FIO_UTF16) && p > ptr)
|
|
|
1567 {
|
|
|
1568 /* Check for a trailing leading word */
|
|
|
1569 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1570 {
|
|
|
1571 u8c = (*--p << 8);
|
|
|
1572 u8c += *--p;
|
|
|
1573 }
|
|
|
1574 else
|
|
|
1575 {
|
|
|
1576 u8c = *--p;
|
|
|
1577 u8c += (*--p << 8);
|
|
|
1578 }
|
|
|
1579 if (u8c >= 0xd800 && u8c <= 0xdbff)
|
|
|
1580 tail = p;
|
|
|
1581 else
|
|
|
1582 p += 2;
|
|
|
1583 }
|
|
|
1584 }
|
|
|
1585 else /* FIO_UCS4 */
|
|
|
1586 {
|
|
|
1587 /* Check for trailing 1, 2 or 3 bytes */
|
|
|
1588 p = ptr + (size & ~3);
|
|
|
1589 if (size & 3)
|
|
|
1590 tail = p;
|
|
|
1591 }
|
|
|
1592
|
|
|
1593 /* If there is a trailing incomplete sequence move it to
|
|
|
1594 * conv_rest[]. */
|
|
|
1595 if (tail != NULL)
|
|
|
1596 {
|
|
|
1597 conv_restlen = (int)((ptr + size) - tail);
|
|
|
1598 mch_memmove(conv_rest, (char_u *)tail, conv_restlen);
|
|
|
1599 size -= conv_restlen;
|
|
|
1600 }
|
|
|
1601
|
|
|
1602
|
|
|
1603 while (p > ptr)
|
|
|
1604 {
|
|
|
1605 if (fio_flags & FIO_LATIN1)
|
|
|
1606 u8c = *--p;
|
|
|
1607 else if (fio_flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
1608 {
|
|
|
1609 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1610 {
|
|
|
1611 u8c = (*--p << 8);
|
|
|
1612 u8c += *--p;
|
|
|
1613 }
|
|
|
1614 else
|
|
|
1615 {
|
|
|
1616 u8c = *--p;
|
|
|
1617 u8c += (*--p << 8);
|
|
|
1618 }
|
|
|
1619 if ((fio_flags & FIO_UTF16)
|
|
|
1620 && u8c >= 0xdc00 && u8c <= 0xdfff)
|
|
|
1621 {
|
|
|
1622 int u16c;
|
|
|
1623
|
|
|
1624 if (p == ptr)
|
|
|
1625 {
|
|
|
1626 /* Missing leading word. */
|
|
|
1627 if (can_retry)
|
|
|
1628 goto rewind_retry;
|
|
|
1629 conv_error = TRUE;
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 /* found second word of double-word, get the first
|
|
|
1633 * word and compute the resulting character */
|
|
|
1634 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1635 {
|
|
|
1636 u16c = (*--p << 8);
|
|
|
1637 u16c += *--p;
|
|
|
1638 }
|
|
|
1639 else
|
|
|
1640 {
|
|
|
1641 u16c = *--p;
|
|
|
1642 u16c += (*--p << 8);
|
|
|
1643 }
|
|
|
1644 /* Check if the word is indeed a leading word. */
|
|
|
1645 if (u16c < 0xd800 || u16c > 0xdbff)
|
|
|
1646 {
|
|
|
1647 if (can_retry)
|
|
|
1648 goto rewind_retry;
|
|
|
1649 conv_error = TRUE;
|
|
|
1650 }
|
|
|
1651 u8c = 0x10000 + ((u16c & 0x3ff) << 10)
|
|
|
1652 + (u8c & 0x3ff);
|
|
|
1653 }
|
|
|
1654 }
|
|
|
1655 else if (fio_flags & FIO_UCS4)
|
|
|
1656 {
|
|
|
1657 if (fio_flags & FIO_ENDIAN_L)
|
|
|
1658 {
|
|
|
1659 u8c = (*--p << 24);
|
|
|
1660 u8c += (*--p << 16);
|
|
|
1661 u8c += (*--p << 8);
|
|
|
1662 u8c += *--p;
|
|
|
1663 }
|
|
|
1664 else /* big endian */
|
|
|
1665 {
|
|
|
1666 u8c = *--p;
|
|
|
1667 u8c += (*--p << 8);
|
|
|
1668 u8c += (*--p << 16);
|
|
|
1669 u8c += (*--p << 24);
|
|
|
1670 }
|
|
|
1671 }
|
|
|
1672 else /* UTF-8 */
|
|
|
1673 {
|
|
|
1674 if (*--p < 0x80)
|
|
|
1675 u8c = *p;
|
|
|
1676 else
|
|
|
1677 {
|
|
|
1678 len = utf_head_off(ptr, p);
|
|
|
1679 if (len == 0)
|
|
|
1680 {
|
|
|
1681 /* Not a valid UTF-8 character, retry with
|
|
|
1682 * another fenc when possible, otherwise just
|
|
|
1683 * report the error. */
|
|
|
1684 if (can_retry)
|
|
|
1685 goto rewind_retry;
|
|
|
1686 conv_error = TRUE;
|
|
|
1687 }
|
|
|
1688 p -= len;
|
|
|
1689 u8c = utf_ptr2char(p);
|
|
|
1690 }
|
|
|
1691 }
|
|
|
1692 if (enc_utf8) /* produce UTF-8 */
|
|
|
1693 {
|
|
|
1694 dest -= utf_char2len(u8c);
|
|
|
1695 (void)utf_char2bytes(u8c, dest);
|
|
|
1696 }
|
|
|
1697 else /* produce Latin1 */
|
|
|
1698 {
|
|
|
1699 --dest;
|
|
|
1700 if (u8c >= 0x100)
|
|
|
1701 {
|
|
|
1702 /* character doesn't fit in latin1, retry with
|
|
|
1703 * another fenc when possible, otherwise just
|
|
|
1704 * report the error. */
|
|
|
1705 if (can_retry && !keep_dest_enc)
|
|
|
1706 goto rewind_retry;
|
|
|
1707 *dest = 0xBF;
|
|
|
1708 conv_error = TRUE;
|
|
|
1709 }
|
|
|
1710 else
|
|
|
1711 *dest = u8c;
|
|
|
1712 }
|
|
|
1713 }
|
|
|
1714
|
|
|
1715 /* move the linerest to before the converted characters */
|
|
|
1716 line_start = dest - linerest;
|
|
|
1717 mch_memmove(line_start, buffer, (size_t)linerest);
|
|
|
1718 size = (long)((ptr + real_size) - dest);
|
|
|
1719 ptr = dest;
|
|
|
1720 }
|
|
|
1721 else if (enc_utf8 && !conv_error && !curbuf->b_p_bin)
|
|
|
1722 {
|
|
|
1723 /* Reading UTF-8: Check if the bytes are valid UTF-8.
|
|
|
1724 * Need to start before "ptr" when part of the character was
|
|
|
1725 * read in the previous read() call. */
|
|
|
1726 for (p = ptr - utf_head_off(buffer, ptr); p < ptr + size; ++p)
|
|
|
1727 {
|
|
|
1728 if (*p >= 0x80)
|
|
|
1729 {
|
|
474
|
1730 len = utf_ptr2len(p);
|
|
7
|
1731 /* A length of 1 means it's an illegal byte. Accept
|
|
|
1732 * an incomplete character at the end though, the next
|
|
|
1733 * read() will get the next bytes, we'll check it
|
|
|
1734 * then. */
|
|
|
1735 if (len == 1)
|
|
|
1736 {
|
|
|
1737 p += utf_byte2len(*p) - 1;
|
|
|
1738 break;
|
|
|
1739 }
|
|
|
1740 p += len - 1;
|
|
|
1741 }
|
|
|
1742 }
|
|
|
1743 if (p < ptr + size)
|
|
|
1744 {
|
|
|
1745 /* Detected a UTF-8 error. */
|
|
|
1746 if (can_retry)
|
|
|
1747 {
|
|
|
1748 rewind_retry:
|
|
|
1749 /* Retry reading with another conversion. */
|
|
|
1750 # if defined(FEAT_EVAL) && defined(USE_ICONV)
|
|
|
1751 if (*p_ccv != NUL && iconv_fd != (iconv_t)-1)
|
|
|
1752 /* iconv() failed, try 'charconvert' */
|
|
|
1753 did_iconv = TRUE;
|
|
|
1754 else
|
|
|
1755 # endif
|
|
|
1756 /* use next item from 'fileencodings' */
|
|
|
1757 advance_fenc = TRUE;
|
|
|
1758 file_rewind = TRUE;
|
|
|
1759 goto retry;
|
|
|
1760 }
|
|
|
1761
|
|
|
1762 /* There is no alternative fenc, just report the error. */
|
|
|
1763 # ifdef USE_ICONV
|
|
|
1764 if (iconv_fd != (iconv_t)-1)
|
|
|
1765 conv_error = TRUE;
|
|
|
1766 else
|
|
|
1767 # endif
|
|
375
|
1768 if (illegal_byte == 0) /* Keep the first linenr */
|
|
7
|
1769 {
|
|
|
1770 char_u *s;
|
|
|
1771
|
|
|
1772 /* Estimate the line number. */
|
|
|
1773 illegal_byte = curbuf->b_ml.ml_line_count - linecnt + 1;
|
|
|
1774 for (s = ptr; s < p; ++s)
|
|
|
1775 if (*s == '\n')
|
|
|
1776 ++illegal_byte;
|
|
|
1777 }
|
|
|
1778 }
|
|
|
1779 }
|
|
|
1780 #endif
|
|
|
1781
|
|
|
1782 /* count the number of characters (after conversion!) */
|
|
|
1783 filesize += size;
|
|
|
1784
|
|
|
1785 /*
|
|
|
1786 * when reading the first part of a file: guess EOL type
|
|
|
1787 */
|
|
|
1788 if (fileformat == EOL_UNKNOWN)
|
|
|
1789 {
|
|
|
1790 /* First try finding a NL, for Dos and Unix */
|
|
|
1791 if (try_dos || try_unix)
|
|
|
1792 {
|
|
|
1793 for (p = ptr; p < ptr + size; ++p)
|
|
|
1794 {
|
|
|
1795 if (*p == NL)
|
|
|
1796 {
|
|
|
1797 if (!try_unix
|
|
|
1798 || (try_dos && p > ptr && p[-1] == CAR))
|
|
|
1799 fileformat = EOL_DOS;
|
|
|
1800 else
|
|
|
1801 fileformat = EOL_UNIX;
|
|
|
1802 break;
|
|
|
1803 }
|
|
|
1804 }
|
|
|
1805
|
|
|
1806 /* Don't give in to EOL_UNIX if EOL_MAC is more likely */
|
|
|
1807 if (fileformat == EOL_UNIX && try_mac)
|
|
|
1808 {
|
|
|
1809 /* Need to reset the counters when retrying fenc. */
|
|
|
1810 try_mac = 1;
|
|
|
1811 try_unix = 1;
|
|
|
1812 for (; p >= ptr && *p != CAR; p--)
|
|
|
1813 ;
|
|
|
1814 if (p >= ptr)
|
|
|
1815 {
|
|
|
1816 for (p = ptr; p < ptr + size; ++p)
|
|
|
1817 {
|
|
|
1818 if (*p == NL)
|
|
|
1819 try_unix++;
|
|
|
1820 else if (*p == CAR)
|
|
|
1821 try_mac++;
|
|
|
1822 }
|
|
|
1823 if (try_mac > try_unix)
|
|
|
1824 fileformat = EOL_MAC;
|
|
|
1825 }
|
|
|
1826 }
|
|
|
1827 }
|
|
|
1828
|
|
|
1829 /* No NL found: may use Mac format */
|
|
|
1830 if (fileformat == EOL_UNKNOWN && try_mac)
|
|
|
1831 fileformat = EOL_MAC;
|
|
|
1832
|
|
|
1833 /* Still nothing found? Use first format in 'ffs' */
|
|
|
1834 if (fileformat == EOL_UNKNOWN)
|
|
|
1835 fileformat = default_fileformat();
|
|
|
1836
|
|
|
1837 /* if editing a new file: may set p_tx and p_ff */
|
|
|
1838 if (newfile)
|
|
|
1839 set_fileformat(fileformat, OPT_LOCAL);
|
|
|
1840 }
|
|
|
1841 }
|
|
|
1842
|
|
|
1843 /*
|
|
|
1844 * This loop is executed once for every character read.
|
|
|
1845 * Keep it fast!
|
|
|
1846 */
|
|
|
1847 if (fileformat == EOL_MAC)
|
|
|
1848 {
|
|
|
1849 --ptr;
|
|
|
1850 while (++ptr, --size >= 0)
|
|
|
1851 {
|
|
|
1852 /* catch most common case first */
|
|
|
1853 if ((c = *ptr) != NUL && c != CAR && c != NL)
|
|
|
1854 continue;
|
|
|
1855 if (c == NUL)
|
|
|
1856 *ptr = NL; /* NULs are replaced by newlines! */
|
|
|
1857 else if (c == NL)
|
|
|
1858 *ptr = CAR; /* NLs are replaced by CRs! */
|
|
|
1859 else
|
|
|
1860 {
|
|
|
1861 if (skip_count == 0)
|
|
|
1862 {
|
|
|
1863 *ptr = NUL; /* end of line */
|
|
|
1864 len = (colnr_T) (ptr - line_start + 1);
|
|
|
1865 if (ml_append(lnum, line_start, len, newfile) == FAIL)
|
|
|
1866 {
|
|
|
1867 error = TRUE;
|
|
|
1868 break;
|
|
|
1869 }
|
|
|
1870 ++lnum;
|
|
|
1871 if (--read_count == 0)
|
|
|
1872 {
|
|
|
1873 error = TRUE; /* break loop */
|
|
|
1874 line_start = ptr; /* nothing left to write */
|
|
|
1875 break;
|
|
|
1876 }
|
|
|
1877 }
|
|
|
1878 else
|
|
|
1879 --skip_count;
|
|
|
1880 line_start = ptr + 1;
|
|
|
1881 }
|
|
|
1882 }
|
|
|
1883 }
|
|
|
1884 else
|
|
|
1885 {
|
|
|
1886 --ptr;
|
|
|
1887 while (++ptr, --size >= 0)
|
|
|
1888 {
|
|
|
1889 if ((c = *ptr) != NUL && c != NL) /* catch most common case */
|
|
|
1890 continue;
|
|
|
1891 if (c == NUL)
|
|
|
1892 *ptr = NL; /* NULs are replaced by newlines! */
|
|
|
1893 else
|
|
|
1894 {
|
|
|
1895 if (skip_count == 0)
|
|
|
1896 {
|
|
|
1897 *ptr = NUL; /* end of line */
|
|
|
1898 len = (colnr_T)(ptr - line_start + 1);
|
|
|
1899 if (fileformat == EOL_DOS)
|
|
|
1900 {
|
|
|
1901 if (ptr[-1] == CAR) /* remove CR */
|
|
|
1902 {
|
|
|
1903 ptr[-1] = NUL;
|
|
|
1904 --len;
|
|
|
1905 }
|
|
|
1906 /*
|
|
|
1907 * Reading in Dos format, but no CR-LF found!
|
|
|
1908 * When 'fileformats' includes "unix", delete all
|
|
|
1909 * the lines read so far and start all over again.
|
|
|
1910 * Otherwise give an error message later.
|
|
|
1911 */
|
|
|
1912 else if (ff_error != EOL_DOS)
|
|
|
1913 {
|
|
|
1914 if ( try_unix
|
|
|
1915 && !read_stdin
|
|
|
1916 && (read_buffer
|
|
|
1917 || lseek(fd, (off_t)0L, SEEK_SET) == 0))
|
|
|
1918 {
|
|
|
1919 fileformat = EOL_UNIX;
|
|
|
1920 if (newfile)
|
|
|
1921 set_fileformat(EOL_UNIX, OPT_LOCAL);
|
|
|
1922 file_rewind = TRUE;
|
|
|
1923 keep_fileformat = TRUE;
|
|
|
1924 goto retry;
|
|
|
1925 }
|
|
|
1926 ff_error = EOL_DOS;
|
|
|
1927 }
|
|
|
1928 }
|
|
|
1929 if (ml_append(lnum, line_start, len, newfile) == FAIL)
|
|
|
1930 {
|
|
|
1931 error = TRUE;
|
|
|
1932 break;
|
|
|
1933 }
|
|
|
1934 ++lnum;
|
|
|
1935 if (--read_count == 0)
|
|
|
1936 {
|
|
|
1937 error = TRUE; /* break loop */
|
|
|
1938 line_start = ptr; /* nothing left to write */
|
|
|
1939 break;
|
|
|
1940 }
|
|
|
1941 }
|
|
|
1942 else
|
|
|
1943 --skip_count;
|
|
|
1944 line_start = ptr + 1;
|
|
|
1945 }
|
|
|
1946 }
|
|
|
1947 }
|
|
|
1948 linerest = (long)(ptr - line_start);
|
|
|
1949 ui_breakcheck();
|
|
|
1950 }
|
|
|
1951
|
|
|
1952 failed:
|
|
|
1953 /* not an error, max. number of lines reached */
|
|
|
1954 if (error && read_count == 0)
|
|
|
1955 error = FALSE;
|
|
|
1956
|
|
|
1957 /*
|
|
|
1958 * If we get EOF in the middle of a line, note the fact and
|
|
|
1959 * complete the line ourselves.
|
|
|
1960 * In Dos format ignore a trailing CTRL-Z, unless 'binary' set.
|
|
|
1961 */
|
|
|
1962 if (!error
|
|
|
1963 && !got_int
|
|
|
1964 && linerest != 0
|
|
|
1965 && !(!curbuf->b_p_bin
|
|
|
1966 && fileformat == EOL_DOS
|
|
|
1967 && *line_start == Ctrl_Z
|
|
|
1968 && ptr == line_start + 1))
|
|
|
1969 {
|
|
|
1970 if (newfile) /* remember for when writing */
|
|
|
1971 curbuf->b_p_eol = FALSE;
|
|
|
1972 *ptr = NUL;
|
|
|
1973 if (ml_append(lnum, line_start,
|
|
|
1974 (colnr_T)(ptr - line_start + 1), newfile) == FAIL)
|
|
|
1975 error = TRUE;
|
|
|
1976 else
|
|
|
1977 read_no_eol_lnum = ++lnum;
|
|
|
1978 }
|
|
|
1979
|
|
|
1980 if (newfile)
|
|
|
1981 save_file_ff(curbuf); /* remember the current file format */
|
|
|
1982
|
|
|
1983 #ifdef FEAT_CRYPT
|
|
|
1984 if (cryptkey != curbuf->b_p_key)
|
|
|
1985 vim_free(cryptkey);
|
|
|
1986 #endif
|
|
|
1987
|
|
|
1988 #ifdef FEAT_MBYTE
|
|
|
1989 /* If editing a new file: set 'fenc' for the current buffer. */
|
|
|
1990 if (newfile)
|
|
|
1991 set_string_option_direct((char_u *)"fenc", -1, fenc,
|
|
|
1992 OPT_FREE|OPT_LOCAL);
|
|
|
1993 if (fenc_alloced)
|
|
|
1994 vim_free(fenc);
|
|
|
1995 # ifdef USE_ICONV
|
|
|
1996 if (iconv_fd != (iconv_t)-1)
|
|
|
1997 {
|
|
|
1998 iconv_close(iconv_fd);
|
|
|
1999 iconv_fd = (iconv_t)-1;
|
|
|
2000 }
|
|
|
2001 # endif
|
|
|
2002 #endif
|
|
|
2003
|
|
|
2004 if (!read_buffer && !read_stdin)
|
|
|
2005 close(fd); /* errors are ignored */
|
|
|
2006 vim_free(buffer);
|
|
|
2007
|
|
|
2008 #ifdef HAVE_DUP
|
|
|
2009 if (read_stdin)
|
|
|
2010 {
|
|
|
2011 /* Use stderr for stdin, makes shell commands work. */
|
|
|
2012 close(0);
|
|
|
2013 dup(2);
|
|
|
2014 }
|
|
|
2015 #endif
|
|
|
2016
|
|
|
2017 #ifdef FEAT_MBYTE
|
|
|
2018 if (tmpname != NULL)
|
|
|
2019 {
|
|
|
2020 mch_remove(tmpname); /* delete converted file */
|
|
|
2021 vim_free(tmpname);
|
|
|
2022 }
|
|
|
2023 #endif
|
|
|
2024 --no_wait_return; /* may wait for return now */
|
|
|
2025
|
|
|
2026 /*
|
|
|
2027 * In recovery mode everything but autocommands is skipped.
|
|
|
2028 */
|
|
|
2029 if (!recoverymode)
|
|
|
2030 {
|
|
|
2031 /* need to delete the last line, which comes from the empty buffer */
|
|
|
2032 if (newfile && wasempty && !(curbuf->b_ml.ml_flags & ML_EMPTY))
|
|
|
2033 {
|
|
|
2034 #ifdef FEAT_NETBEANS_INTG
|
|
|
2035 netbeansFireChanges = 0;
|
|
|
2036 #endif
|
|
|
2037 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
|
|
|
2038 #ifdef FEAT_NETBEANS_INTG
|
|
|
2039 netbeansFireChanges = 1;
|
|
|
2040 #endif
|
|
|
2041 --linecnt;
|
|
|
2042 }
|
|
|
2043 linecnt = curbuf->b_ml.ml_line_count - linecnt;
|
|
|
2044 if (filesize == 0)
|
|
|
2045 linecnt = 0;
|
|
|
2046 if (newfile || read_buffer)
|
|
|
2047 redraw_curbuf_later(NOT_VALID);
|
|
|
2048 else if (linecnt) /* appended at least one line */
|
|
|
2049 appended_lines_mark(from, linecnt);
|
|
|
2050
|
|
|
2051 #ifdef FEAT_DIFF
|
|
|
2052 /* After reading the text into the buffer the diff info needs to be
|
|
|
2053 * updated. */
|
|
|
2054 if ((newfile || read_buffer))
|
|
|
2055 diff_invalidate();
|
|
|
2056 #endif
|
|
|
2057 #ifndef ALWAYS_USE_GUI
|
|
|
2058 /*
|
|
|
2059 * If we were reading from the same terminal as where messages go,
|
|
|
2060 * the screen will have been messed up.
|
|
|
2061 * Switch on raw mode now and clear the screen.
|
|
|
2062 */
|
|
|
2063 if (read_stdin)
|
|
|
2064 {
|
|
|
2065 settmode(TMODE_RAW); /* set to raw mode */
|
|
|
2066 starttermcap();
|
|
|
2067 screenclear();
|
|
|
2068 }
|
|
|
2069 #endif
|
|
|
2070
|
|
|
2071 if (got_int)
|
|
|
2072 {
|
|
|
2073 if (!(flags & READ_DUMMY))
|
|
|
2074 {
|
|
|
2075 filemess(curbuf, sfname, (char_u *)_(e_interr), 0);
|
|
|
2076 if (newfile)
|
|
|
2077 curbuf->b_p_ro = TRUE; /* must use "w!" now */
|
|
|
2078 }
|
|
|
2079 msg_scroll = msg_save;
|
|
|
2080 #ifdef FEAT_VIMINFO
|
|
|
2081 check_marks_read();
|
|
|
2082 #endif
|
|
|
2083 return OK; /* an interrupt isn't really an error */
|
|
|
2084 }
|
|
|
2085
|
|
|
2086 if (!filtering && !(flags & READ_DUMMY))
|
|
|
2087 {
|
|
|
2088 msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */
|
|
|
2089 c = FALSE;
|
|
|
2090
|
|
|
2091 #ifdef UNIX
|
|
|
2092 # ifdef S_ISFIFO
|
|
|
2093 if (S_ISFIFO(perm)) /* fifo or socket */
|
|
|
2094 {
|
|
|
2095 STRCAT(IObuff, _("[fifo/socket]"));
|
|
|
2096 c = TRUE;
|
|
|
2097 }
|
|
|
2098 # else
|
|
|
2099 # ifdef S_IFIFO
|
|
|
2100 if ((perm & S_IFMT) == S_IFIFO) /* fifo */
|
|
|
2101 {
|
|
|
2102 STRCAT(IObuff, _("[fifo]"));
|
|
|
2103 c = TRUE;
|
|
|
2104 }
|
|
|
2105 # endif
|
|
|
2106 # ifdef S_IFSOCK
|
|
|
2107 if ((perm & S_IFMT) == S_IFSOCK) /* or socket */
|
|
|
2108 {
|
|
|
2109 STRCAT(IObuff, _("[socket]"));
|
|
|
2110 c = TRUE;
|
|
|
2111 }
|
|
|
2112 # endif
|
|
|
2113 # endif
|
|
|
2114 #endif
|
|
|
2115 if (curbuf->b_p_ro)
|
|
|
2116 {
|
|
|
2117 STRCAT(IObuff, shortmess(SHM_RO) ? _("[RO]") : _("[readonly]"));
|
|
|
2118 c = TRUE;
|
|
|
2119 }
|
|
|
2120 if (read_no_eol_lnum)
|
|
|
2121 {
|
|
|
2122 msg_add_eol();
|
|
|
2123 c = TRUE;
|
|
|
2124 }
|
|
|
2125 if (ff_error == EOL_DOS)
|
|
|
2126 {
|
|
|
2127 STRCAT(IObuff, _("[CR missing]"));
|
|
|
2128 c = TRUE;
|
|
|
2129 }
|
|
|
2130 if (ff_error == EOL_MAC)
|
|
|
2131 {
|
|
|
2132 STRCAT(IObuff, _("[NL found]"));
|
|
|
2133 c = TRUE;
|
|
|
2134 }
|
|
|
2135 if (split)
|
|
|
2136 {
|
|
|
2137 STRCAT(IObuff, _("[long lines split]"));
|
|
|
2138 c = TRUE;
|
|
|
2139 }
|
|
|
2140 #ifdef FEAT_MBYTE
|
|
|
2141 if (notconverted)
|
|
|
2142 {
|
|
|
2143 STRCAT(IObuff, _("[NOT converted]"));
|
|
|
2144 c = TRUE;
|
|
|
2145 }
|
|
|
2146 else if (converted)
|
|
|
2147 {
|
|
|
2148 STRCAT(IObuff, _("[converted]"));
|
|
|
2149 c = TRUE;
|
|
|
2150 }
|
|
|
2151 #endif
|
|
|
2152 #ifdef FEAT_CRYPT
|
|
|
2153 if (cryptkey != NULL)
|
|
|
2154 {
|
|
|
2155 STRCAT(IObuff, _("[crypted]"));
|
|
|
2156 c = TRUE;
|
|
|
2157 }
|
|
|
2158 #endif
|
|
|
2159 #ifdef FEAT_MBYTE
|
|
|
2160 if (conv_error)
|
|
|
2161 {
|
|
|
2162 STRCAT(IObuff, _("[CONVERSION ERROR]"));
|
|
|
2163 c = TRUE;
|
|
|
2164 }
|
|
|
2165 else if (illegal_byte > 0)
|
|
|
2166 {
|
|
|
2167 sprintf((char *)IObuff + STRLEN(IObuff),
|
|
|
2168 _("[ILLEGAL BYTE in line %ld]"), (long)illegal_byte);
|
|
|
2169 c = TRUE;
|
|
|
2170 }
|
|
|
2171 else
|
|
|
2172 #endif
|
|
|
2173 if (error)
|
|
|
2174 {
|
|
|
2175 STRCAT(IObuff, _("[READ ERRORS]"));
|
|
|
2176 c = TRUE;
|
|
|
2177 }
|
|
|
2178 if (msg_add_fileformat(fileformat))
|
|
|
2179 c = TRUE;
|
|
|
2180 #ifdef FEAT_CRYPT
|
|
|
2181 if (cryptkey != NULL)
|
|
|
2182 msg_add_lines(c, (long)linecnt, filesize - CRYPT_MAGIC_LEN);
|
|
|
2183 else
|
|
|
2184 #endif
|
|
|
2185 msg_add_lines(c, (long)linecnt, filesize);
|
|
|
2186
|
|
|
2187 vim_free(keep_msg);
|
|
|
2188 keep_msg = NULL;
|
|
|
2189 msg_scrolled_ign = TRUE;
|
|
|
2190 #ifdef ALWAYS_USE_GUI
|
|
|
2191 /* Don't show the message when reading stdin, it would end up in a
|
|
|
2192 * message box (which might be shown when exiting!) */
|
|
|
2193 if (read_stdin || read_buffer)
|
|
|
2194 p = msg_may_trunc(FALSE, IObuff);
|
|
|
2195 else
|
|
|
2196 #endif
|
|
|
2197 p = msg_trunc_attr(IObuff, FALSE, 0);
|
|
|
2198 if (read_stdin || read_buffer || restart_edit != 0
|
|
540
|
2199 || (msg_scrolled != 0 && !need_wait_return))
|
|
7
|
2200 {
|
|
|
2201 /* Need to repeat the message after redrawing when:
|
|
|
2202 * - When reading from stdin (the screen will be cleared next).
|
|
|
2203 * - When restart_edit is set (otherwise there will be a delay
|
|
|
2204 * before redrawing).
|
|
|
2205 * - When the screen was scrolled but there is no wait-return
|
|
|
2206 * prompt. */
|
|
|
2207 set_keep_msg(p);
|
|
|
2208 keep_msg_attr = 0;
|
|
|
2209 }
|
|
|
2210 msg_scrolled_ign = FALSE;
|
|
|
2211 }
|
|
|
2212
|
|
|
2213 /* with errors writing the file requires ":w!" */
|
|
|
2214 if (newfile && (error
|
|
|
2215 #ifdef FEAT_MBYTE
|
|
|
2216 || conv_error
|
|
|
2217 #endif
|
|
|
2218 ))
|
|
|
2219 curbuf->b_p_ro = TRUE;
|
|
|
2220
|
|
|
2221 u_clearline(); /* cannot use "U" command after adding lines */
|
|
|
2222
|
|
|
2223 /*
|
|
|
2224 * In Ex mode: cursor at last new line.
|
|
|
2225 * Otherwise: cursor at first new line.
|
|
|
2226 */
|
|
|
2227 if (exmode_active)
|
|
|
2228 curwin->w_cursor.lnum = from + linecnt;
|
|
|
2229 else
|
|
|
2230 curwin->w_cursor.lnum = from + 1;
|
|
|
2231 check_cursor_lnum();
|
|
|
2232 beginline(BL_WHITE | BL_FIX); /* on first non-blank */
|
|
|
2233
|
|
|
2234 /*
|
|
|
2235 * Set '[ and '] marks to the newly read lines.
|
|
|
2236 */
|
|
|
2237 curbuf->b_op_start.lnum = from + 1;
|
|
|
2238 curbuf->b_op_start.col = 0;
|
|
|
2239 curbuf->b_op_end.lnum = from + linecnt;
|
|
|
2240 curbuf->b_op_end.col = 0;
|
|
|
2241 }
|
|
|
2242 msg_scroll = msg_save;
|
|
|
2243
|
|
|
2244 #ifdef FEAT_VIMINFO
|
|
|
2245 /*
|
|
|
2246 * Get the marks before executing autocommands, so they can be used there.
|
|
|
2247 */
|
|
|
2248 check_marks_read();
|
|
|
2249 #endif
|
|
|
2250
|
|
|
2251 /*
|
|
|
2252 * Trick: We remember if the last line of the read didn't have
|
|
|
2253 * an eol for when writing it again. This is required for
|
|
|
2254 * ":autocmd FileReadPost *.gz set bin|'[,']!gunzip" to work.
|
|
|
2255 */
|
|
|
2256 write_no_eol_lnum = read_no_eol_lnum;
|
|
|
2257
|
|
167
|
2258 #ifdef FEAT_AUTOCMD
|
|
7
|
2259 if (!read_stdin && !read_buffer)
|
|
|
2260 {
|
|
|
2261 int m = msg_scroll;
|
|
|
2262 int n = msg_scrolled;
|
|
|
2263
|
|
|
2264 /* Save the fileformat now, otherwise the buffer will be considered
|
|
|
2265 * modified if the format/encoding was automatically detected. */
|
|
|
2266 if (newfile)
|
|
|
2267 save_file_ff(curbuf);
|
|
|
2268
|
|
|
2269 /*
|
|
|
2270 * The output from the autocommands should not overwrite anything and
|
|
|
2271 * should not be overwritten: Set msg_scroll, restore its value if no
|
|
|
2272 * output was done.
|
|
|
2273 */
|
|
|
2274 msg_scroll = TRUE;
|
|
|
2275 if (filtering)
|
|
|
2276 apply_autocmds_exarg(EVENT_FILTERREADPOST, NULL, sfname,
|
|
|
2277 FALSE, curbuf, eap);
|
|
|
2278 else if (newfile)
|
|
|
2279 apply_autocmds_exarg(EVENT_BUFREADPOST, NULL, sfname,
|
|
|
2280 FALSE, curbuf, eap);
|
|
|
2281 else
|
|
|
2282 apply_autocmds_exarg(EVENT_FILEREADPOST, sfname, sfname,
|
|
|
2283 FALSE, NULL, eap);
|
|
|
2284 if (msg_scrolled == n)
|
|
|
2285 msg_scroll = m;
|
|
|
2286 #ifdef FEAT_EVAL
|
|
|
2287 if (aborting()) /* autocmds may abort script processing */
|
|
|
2288 return FAIL;
|
|
|
2289 #endif
|
|
|
2290 }
|
|
|
2291 #endif
|
|
|
2292
|
|
|
2293 if (recoverymode && error)
|
|
|
2294 return FAIL;
|
|
|
2295 return OK;
|
|
|
2296 }
|
|
|
2297
|
|
|
2298 /*
|
|
|
2299 * Fill "*eap" to force the 'fileencoding' and 'fileformat' to be equal to the
|
|
|
2300 * buffer "buf". Used for calling readfile().
|
|
|
2301 * Returns OK or FAIL.
|
|
|
2302 */
|
|
|
2303 int
|
|
|
2304 prep_exarg(eap, buf)
|
|
|
2305 exarg_T *eap;
|
|
|
2306 buf_T *buf;
|
|
|
2307 {
|
|
|
2308 eap->cmd = alloc((unsigned)(STRLEN(buf->b_p_ff)
|
|
|
2309 #ifdef FEAT_MBYTE
|
|
|
2310 + STRLEN(buf->b_p_fenc)
|
|
|
2311 #endif
|
|
|
2312 + 15));
|
|
|
2313 if (eap->cmd == NULL)
|
|
|
2314 return FAIL;
|
|
|
2315
|
|
|
2316 #ifdef FEAT_MBYTE
|
|
|
2317 sprintf((char *)eap->cmd, "e ++ff=%s ++enc=%s", buf->b_p_ff, buf->b_p_fenc);
|
|
|
2318 eap->force_enc = 14 + (int)STRLEN(buf->b_p_ff);
|
|
|
2319 #else
|
|
|
2320 sprintf((char *)eap->cmd, "e ++ff=%s", buf->b_p_ff);
|
|
|
2321 #endif
|
|
|
2322 eap->force_ff = 7;
|
|
|
2323 return OK;
|
|
|
2324 }
|
|
|
2325
|
|
|
2326 #ifdef FEAT_MBYTE
|
|
|
2327 /*
|
|
|
2328 * Find next fileencoding to use from 'fileencodings'.
|
|
|
2329 * "pp" points to fenc_next. It's advanced to the next item.
|
|
|
2330 * When there are no more items, an empty string is returned and *pp is set to
|
|
|
2331 * NULL.
|
|
|
2332 * When *pp is not set to NULL, the result is in allocated memory.
|
|
|
2333 */
|
|
|
2334 static char_u *
|
|
|
2335 next_fenc(pp)
|
|
|
2336 char_u **pp;
|
|
|
2337 {
|
|
|
2338 char_u *p;
|
|
|
2339 char_u *r;
|
|
|
2340
|
|
|
2341 if (**pp == NUL)
|
|
|
2342 {
|
|
|
2343 *pp = NULL;
|
|
|
2344 return (char_u *)"";
|
|
|
2345 }
|
|
|
2346 p = vim_strchr(*pp, ',');
|
|
|
2347 if (p == NULL)
|
|
|
2348 {
|
|
|
2349 r = enc_canonize(*pp);
|
|
|
2350 *pp += STRLEN(*pp);
|
|
|
2351 }
|
|
|
2352 else
|
|
|
2353 {
|
|
|
2354 r = vim_strnsave(*pp, (int)(p - *pp));
|
|
|
2355 *pp = p + 1;
|
|
|
2356 if (r != NULL)
|
|
|
2357 {
|
|
|
2358 p = enc_canonize(r);
|
|
|
2359 vim_free(r);
|
|
|
2360 r = p;
|
|
|
2361 }
|
|
|
2362 }
|
|
|
2363 if (r == NULL) /* out of memory */
|
|
|
2364 {
|
|
|
2365 r = (char_u *)"";
|
|
|
2366 *pp = NULL;
|
|
|
2367 }
|
|
|
2368 return r;
|
|
|
2369 }
|
|
|
2370
|
|
|
2371 # ifdef FEAT_EVAL
|
|
|
2372 /*
|
|
|
2373 * Convert a file with the 'charconvert' expression.
|
|
|
2374 * This closes the file which is to be read, converts it and opens the
|
|
|
2375 * resulting file for reading.
|
|
|
2376 * Returns name of the resulting converted file (the caller should delete it
|
|
|
2377 * after reading it).
|
|
|
2378 * Returns NULL if the conversion failed ("*fdp" is not set) .
|
|
|
2379 */
|
|
|
2380 static char_u *
|
|
|
2381 readfile_charconvert(fname, fenc, fdp)
|
|
|
2382 char_u *fname; /* name of input file */
|
|
|
2383 char_u *fenc; /* converted from */
|
|
|
2384 int *fdp; /* in/out: file descriptor of file */
|
|
|
2385 {
|
|
|
2386 char_u *tmpname;
|
|
|
2387 char_u *errmsg = NULL;
|
|
|
2388
|
|
|
2389 tmpname = vim_tempname('r');
|
|
|
2390 if (tmpname == NULL)
|
|
|
2391 errmsg = (char_u *)_("Can't find temp file for conversion");
|
|
|
2392 else
|
|
|
2393 {
|
|
|
2394 close(*fdp); /* close the input file, ignore errors */
|
|
|
2395 *fdp = -1;
|
|
|
2396 if (eval_charconvert(fenc, enc_utf8 ? (char_u *)"utf-8" : p_enc,
|
|
|
2397 fname, tmpname) == FAIL)
|
|
|
2398 errmsg = (char_u *)_("Conversion with 'charconvert' failed");
|
|
|
2399 if (errmsg == NULL && (*fdp = mch_open((char *)tmpname,
|
|
|
2400 O_RDONLY | O_EXTRA, 0)) < 0)
|
|
|
2401 errmsg = (char_u *)_("can't read output of 'charconvert'");
|
|
|
2402 }
|
|
|
2403
|
|
|
2404 if (errmsg != NULL)
|
|
|
2405 {
|
|
|
2406 /* Don't use emsg(), it breaks mappings, the retry with
|
|
|
2407 * another type of conversion might still work. */
|
|
|
2408 MSG(errmsg);
|
|
|
2409 if (tmpname != NULL)
|
|
|
2410 {
|
|
|
2411 mch_remove(tmpname); /* delete converted file */
|
|
|
2412 vim_free(tmpname);
|
|
|
2413 tmpname = NULL;
|
|
|
2414 }
|
|
|
2415 }
|
|
|
2416
|
|
|
2417 /* If the input file is closed, open it (caller should check for error). */
|
|
|
2418 if (*fdp < 0)
|
|
|
2419 *fdp = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
|
|
|
2420
|
|
|
2421 return tmpname;
|
|
|
2422 }
|
|
|
2423 # endif
|
|
|
2424
|
|
|
2425 #endif
|
|
|
2426
|
|
|
2427 #ifdef FEAT_VIMINFO
|
|
|
2428 /*
|
|
|
2429 * Read marks for the current buffer from the viminfo file, when we support
|
|
|
2430 * buffer marks and the buffer has a name.
|
|
|
2431 */
|
|
|
2432 static void
|
|
|
2433 check_marks_read()
|
|
|
2434 {
|
|
|
2435 if (!curbuf->b_marks_read && get_viminfo_parameter('\'') > 0
|
|
|
2436 && curbuf->b_ffname != NULL)
|
|
|
2437 read_viminfo(NULL, FALSE, TRUE, FALSE);
|
|
|
2438
|
|
|
2439 /* Always set b_marks_read; needed when 'viminfo' is changed to include
|
|
|
2440 * the ' parameter after opening a buffer. */
|
|
|
2441 curbuf->b_marks_read = TRUE;
|
|
|
2442 }
|
|
|
2443 #endif
|
|
|
2444
|
|
|
2445 #ifdef FEAT_CRYPT
|
|
|
2446 /*
|
|
|
2447 * Check for magic number used for encryption.
|
|
|
2448 * If found, the magic number is removed from ptr[*sizep] and *sizep and
|
|
|
2449 * *filesizep are updated.
|
|
|
2450 * Return the (new) encryption key, NULL for no encryption.
|
|
|
2451 */
|
|
|
2452 static char_u *
|
|
|
2453 check_for_cryptkey(cryptkey, ptr, sizep, filesizep, newfile)
|
|
|
2454 char_u *cryptkey; /* previous encryption key or NULL */
|
|
|
2455 char_u *ptr; /* pointer to read bytes */
|
|
|
2456 long *sizep; /* length of read bytes */
|
|
|
2457 long *filesizep; /* nr of bytes used from file */
|
|
|
2458 int newfile; /* editing a new buffer */
|
|
|
2459 {
|
|
|
2460 if (*sizep >= CRYPT_MAGIC_LEN
|
|
|
2461 && STRNCMP(ptr, CRYPT_MAGIC, CRYPT_MAGIC_LEN) == 0)
|
|
|
2462 {
|
|
|
2463 if (cryptkey == NULL)
|
|
|
2464 {
|
|
|
2465 if (*curbuf->b_p_key)
|
|
|
2466 cryptkey = curbuf->b_p_key;
|
|
|
2467 else
|
|
|
2468 {
|
|
|
2469 /* When newfile is TRUE, store the typed key
|
|
|
2470 * in the 'key' option and don't free it. */
|
|
|
2471 cryptkey = get_crypt_key(newfile, FALSE);
|
|
|
2472 /* check if empty key entered */
|
|
|
2473 if (cryptkey != NULL && *cryptkey == NUL)
|
|
|
2474 {
|
|
|
2475 if (cryptkey != curbuf->b_p_key)
|
|
|
2476 vim_free(cryptkey);
|
|
|
2477 cryptkey = NULL;
|
|
|
2478 }
|
|
|
2479 }
|
|
|
2480 }
|
|
|
2481
|
|
|
2482 if (cryptkey != NULL)
|
|
|
2483 {
|
|
|
2484 crypt_init_keys(cryptkey);
|
|
|
2485
|
|
|
2486 /* Remove magic number from the text */
|
|
|
2487 *filesizep += CRYPT_MAGIC_LEN;
|
|
|
2488 *sizep -= CRYPT_MAGIC_LEN;
|
|
|
2489 mch_memmove(ptr, ptr + CRYPT_MAGIC_LEN, (size_t)*sizep);
|
|
|
2490 }
|
|
|
2491 }
|
|
|
2492 /* When starting to edit a new file which does not have
|
|
|
2493 * encryption, clear the 'key' option, except when
|
|
|
2494 * starting up (called with -x argument) */
|
|
|
2495 else if (newfile && *curbuf->b_p_key && !starting)
|
|
|
2496 set_option_value((char_u *)"key", 0L, (char_u *)"", OPT_LOCAL);
|
|
|
2497
|
|
|
2498 return cryptkey;
|
|
|
2499 }
|
|
|
2500 #endif
|
|
|
2501
|
|
|
2502 #ifdef UNIX
|
|
|
2503 static void
|
|
|
2504 set_file_time(fname, atime, mtime)
|
|
|
2505 char_u *fname;
|
|
|
2506 time_t atime; /* access time */
|
|
|
2507 time_t mtime; /* modification time */
|
|
|
2508 {
|
|
|
2509 # if defined(HAVE_UTIME) && defined(HAVE_UTIME_H)
|
|
|
2510 struct utimbuf buf;
|
|
|
2511
|
|
|
2512 buf.actime = atime;
|
|
|
2513 buf.modtime = mtime;
|
|
|
2514 (void)utime((char *)fname, &buf);
|
|
|
2515 # else
|
|
|
2516 # if defined(HAVE_UTIMES)
|
|
|
2517 struct timeval tvp[2];
|
|
|
2518
|
|
|
2519 tvp[0].tv_sec = atime;
|
|
|
2520 tvp[0].tv_usec = 0;
|
|
|
2521 tvp[1].tv_sec = mtime;
|
|
|
2522 tvp[1].tv_usec = 0;
|
|
|
2523 # ifdef NeXT
|
|
|
2524 (void)utimes((char *)fname, tvp);
|
|
|
2525 # else
|
|
|
2526 (void)utimes((char *)fname, (const struct timeval *)&tvp);
|
|
|
2527 # endif
|
|
|
2528 # endif
|
|
|
2529 # endif
|
|
|
2530 }
|
|
|
2531 #endif /* UNIX */
|
|
|
2532
|
|
22
|
2533 #if defined(VMS) && !defined(MIN)
|
|
|
2534 /* Older DECC compiler for VAX doesn't define MIN() */
|
|
|
2535 # define MIN(a, b) ((a) < (b) ? (a) : (b))
|
|
|
2536 #endif
|
|
|
2537
|
|
7
|
2538 /*
|
|
|
2539 * buf_write() - write to file 'fname' lines 'start' through 'end'
|
|
|
2540 *
|
|
|
2541 * We do our own buffering here because fwrite() is so slow.
|
|
|
2542 *
|
|
|
2543 * If forceit is true, we don't care for errors when attempting backups (jw).
|
|
|
2544 * In case of an error everything possible is done to restore the original file.
|
|
|
2545 * But when forceit is TRUE, we risk loosing it.
|
|
|
2546 * When reset_changed is TRUE and start == 1 and end ==
|
|
|
2547 * curbuf->b_ml.ml_line_count, reset curbuf->b_changed.
|
|
|
2548 *
|
|
|
2549 * This function must NOT use NameBuff (because it's called by autowrite()).
|
|
|
2550 *
|
|
|
2551 * return FAIL for failure, OK otherwise
|
|
|
2552 */
|
|
|
2553 int
|
|
|
2554 buf_write(buf, fname, sfname, start, end, eap, append, forceit,
|
|
|
2555 reset_changed, filtering)
|
|
|
2556 buf_T *buf;
|
|
|
2557 char_u *fname;
|
|
|
2558 char_u *sfname;
|
|
|
2559 linenr_T start, end;
|
|
|
2560 exarg_T *eap; /* for forced 'ff' and 'fenc', can be
|
|
|
2561 NULL! */
|
|
|
2562 int append;
|
|
|
2563 int forceit;
|
|
|
2564 int reset_changed;
|
|
|
2565 int filtering;
|
|
|
2566 {
|
|
|
2567 int fd;
|
|
|
2568 char_u *backup = NULL;
|
|
|
2569 int backup_copy = FALSE; /* copy the original file? */
|
|
|
2570 int dobackup;
|
|
|
2571 char_u *ffname;
|
|
|
2572 char_u *wfname = NULL; /* name of file to write to */
|
|
|
2573 char_u *s;
|
|
|
2574 char_u *ptr;
|
|
|
2575 char_u c;
|
|
|
2576 int len;
|
|
|
2577 linenr_T lnum;
|
|
|
2578 long nchars;
|
|
|
2579 char_u *errmsg = NULL;
|
|
|
2580 char_u *errnum = NULL;
|
|
|
2581 char_u *buffer;
|
|
|
2582 char_u smallbuf[SMBUFSIZE];
|
|
|
2583 char_u *backup_ext;
|
|
|
2584 int bufsize;
|
|
|
2585 long perm; /* file permissions */
|
|
|
2586 int retval = OK;
|
|
|
2587 int newfile = FALSE; /* TRUE if file doesn't exist yet */
|
|
|
2588 int msg_save = msg_scroll;
|
|
|
2589 int overwriting; /* TRUE if writing over original */
|
|
|
2590 int no_eol = FALSE; /* no end-of-line written */
|
|
|
2591 int device = FALSE; /* writing to a device */
|
|
|
2592 struct stat st_old;
|
|
|
2593 int prev_got_int = got_int;
|
|
|
2594 int file_readonly = FALSE; /* overwritten file is read-only */
|
|
|
2595 static char *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')";
|
|
|
2596 #if defined(UNIX) || defined(__EMX__XX) /*XXX fix me sometime? */
|
|
|
2597 int made_writable = FALSE; /* 'w' bit has been set */
|
|
|
2598 #endif
|
|
|
2599 /* writing everything */
|
|
|
2600 int whole = (start == 1 && end == buf->b_ml.ml_line_count);
|
|
|
2601 #ifdef FEAT_AUTOCMD
|
|
|
2602 linenr_T old_line_count = buf->b_ml.ml_line_count;
|
|
|
2603 #endif
|
|
|
2604 int attr;
|
|
|
2605 int fileformat;
|
|
|
2606 int write_bin;
|
|
|
2607 struct bw_info write_info; /* info for buf_write_bytes() */
|
|
|
2608 #ifdef FEAT_MBYTE
|
|
|
2609 int converted = FALSE;
|
|
|
2610 int notconverted = FALSE;
|
|
|
2611 char_u *fenc; /* effective 'fileencoding' */
|
|
|
2612 char_u *fenc_tofree = NULL; /* allocated "fenc" */
|
|
|
2613 #endif
|
|
|
2614 #ifdef HAS_BW_FLAGS
|
|
|
2615 int wb_flags = 0;
|
|
|
2616 #endif
|
|
|
2617 #ifdef HAVE_ACL
|
|
|
2618 vim_acl_T acl = NULL; /* ACL copied from original file to
|
|
|
2619 backup or new file */
|
|
|
2620 #endif
|
|
|
2621
|
|
|
2622 if (fname == NULL || *fname == NUL) /* safety check */
|
|
|
2623 return FAIL;
|
|
|
2624
|
|
|
2625 /*
|
|
|
2626 * Disallow writing from .exrc and .vimrc in current directory for
|
|
|
2627 * security reasons.
|
|
|
2628 */
|
|
|
2629 if (check_secure())
|
|
|
2630 return FAIL;
|
|
|
2631
|
|
|
2632 /* Avoid a crash for a long name. */
|
|
|
2633 if (STRLEN(fname) >= MAXPATHL)
|
|
|
2634 {
|
|
|
2635 EMSG(_(e_longname));
|
|
|
2636 return FAIL;
|
|
|
2637 }
|
|
|
2638
|
|
|
2639 #ifdef FEAT_MBYTE
|
|
|
2640 /* must init bw_conv_buf and bw_iconv_fd before jumping to "fail" */
|
|
|
2641 write_info.bw_conv_buf = NULL;
|
|
|
2642 write_info.bw_conv_error = FALSE;
|
|
|
2643 write_info.bw_restlen = 0;
|
|
|
2644 # ifdef USE_ICONV
|
|
|
2645 write_info.bw_iconv_fd = (iconv_t)-1;
|
|
|
2646 # endif
|
|
|
2647 #endif
|
|
|
2648
|
|
167
|
2649 /* After writing a file changedtick changes but we don't want to display
|
|
|
2650 * the line. */
|
|
|
2651 ex_no_reprint = TRUE;
|
|
|
2652
|
|
7
|
2653 /*
|
|
|
2654 * If there is no file name yet, use the one for the written file.
|
|
|
2655 * BF_NOTEDITED is set to reflect this (in case the write fails).
|
|
|
2656 * Don't do this when the write is for a filter command.
|
|
|
2657 * Only do this when 'cpoptions' contains the 'f' flag.
|
|
|
2658 */
|
|
|
2659 if (reset_changed
|
|
|
2660 && whole
|
|
|
2661 && buf == curbuf
|
|
236
|
2662 #ifdef FEAT_QUICKFIX
|
|
|
2663 && !bt_nofile(buf)
|
|
|
2664 #endif
|
|
|
2665 && buf->b_ffname == NULL
|
|
7
|
2666 && !filtering
|
|
|
2667 && vim_strchr(p_cpo, CPO_FNAMEW) != NULL)
|
|
|
2668 {
|
|
|
2669 #ifdef FEAT_AUTOCMD
|
|
|
2670 /* It's like the unnamed buffer is deleted.... */
|
|
|
2671 if (curbuf->b_p_bl)
|
|
|
2672 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf);
|
|
|
2673 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf);
|
|
|
2674 #ifdef FEAT_EVAL
|
|
|
2675 if (aborting()) /* autocmds may abort script processing */
|
|
|
2676 return FAIL;
|
|
|
2677 #endif
|
|
|
2678 #endif
|
|
|
2679 if (setfname(curbuf, fname, sfname, FALSE) == OK)
|
|
|
2680 curbuf->b_flags |= BF_NOTEDITED;
|
|
|
2681 #ifdef FEAT_AUTOCMD
|
|
|
2682 /* ....and a new named one is created */
|
|
|
2683 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, curbuf);
|
|
|
2684 if (curbuf->b_p_bl)
|
|
|
2685 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf);
|
|
|
2686 #endif
|
|
|
2687 }
|
|
|
2688
|
|
|
2689 if (sfname == NULL)
|
|
|
2690 sfname = fname;
|
|
|
2691 /*
|
|
|
2692 * For Unix: Use the short file name whenever possible.
|
|
|
2693 * Avoids problems with networks and when directory names are changed.
|
|
|
2694 * Don't do this for MS-DOS, a "cd" in a sub-shell may have moved us to
|
|
|
2695 * another directory, which we don't detect
|
|
|
2696 */
|
|
|
2697 ffname = fname; /* remember full fname */
|
|
|
2698 #ifdef UNIX
|
|
|
2699 fname = sfname;
|
|
|
2700 #endif
|
|
|
2701
|
|
|
2702 if (buf->b_ffname != NULL && fnamecmp(ffname, buf->b_ffname) == 0)
|
|
|
2703 overwriting = TRUE;
|
|
|
2704 else
|
|
|
2705 overwriting = FALSE;
|
|
|
2706
|
|
|
2707 if (exiting)
|
|
|
2708 settmode(TMODE_COOK); /* when exiting allow typahead now */
|
|
|
2709
|
|
|
2710 ++no_wait_return; /* don't wait for return yet */
|
|
|
2711
|
|
|
2712 /*
|
|
|
2713 * Set '[ and '] marks to the lines to be written.
|
|
|
2714 */
|
|
|
2715 buf->b_op_start.lnum = start;
|
|
|
2716 buf->b_op_start.col = 0;
|
|
|
2717 buf->b_op_end.lnum = end;
|
|
|
2718 buf->b_op_end.col = 0;
|
|
|
2719
|
|
|
2720 #ifdef FEAT_AUTOCMD
|
|
|
2721 {
|
|
|
2722 aco_save_T aco;
|
|
|
2723 int buf_ffname = FALSE;
|
|
|
2724 int buf_sfname = FALSE;
|
|
|
2725 int buf_fname_f = FALSE;
|
|
|
2726 int buf_fname_s = FALSE;
|
|
|
2727 int did_cmd = FALSE;
|
|
17
|
2728 int nofile_err = FALSE;
|
|
161
|
2729 int empty_memline = (buf->b_ml.ml_mfp == NULL);
|
|
7
|
2730
|
|
|
2731 /*
|
|
|
2732 * Apply PRE aucocommands.
|
|
|
2733 * Set curbuf to the buffer to be written.
|
|
|
2734 * Careful: The autocommands may call buf_write() recursively!
|
|
|
2735 */
|
|
|
2736 if (ffname == buf->b_ffname)
|
|
|
2737 buf_ffname = TRUE;
|
|
|
2738 if (sfname == buf->b_sfname)
|
|
|
2739 buf_sfname = TRUE;
|
|
|
2740 if (fname == buf->b_ffname)
|
|
|
2741 buf_fname_f = TRUE;
|
|
|
2742 if (fname == buf->b_sfname)
|
|
|
2743 buf_fname_s = TRUE;
|
|
|
2744
|
|
|
2745 /* set curwin/curbuf to buf and save a few things */
|
|
|
2746 aucmd_prepbuf(&aco, buf);
|
|
|
2747
|
|
|
2748 if (append)
|
|
|
2749 {
|
|
|
2750 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEAPPENDCMD,
|
|
|
2751 sfname, sfname, FALSE, curbuf, eap)))
|
|
17
|
2752 {
|
|
18
|
2753 if (overwriting && bt_nofile(curbuf))
|
|
17
|
2754 nofile_err = TRUE;
|
|
|
2755 else
|
|
|
2756 apply_autocmds_exarg(EVENT_FILEAPPENDPRE,
|
|
7
|
2757 sfname, sfname, FALSE, curbuf, eap);
|
|
17
|
2758 }
|
|
7
|
2759 }
|
|
|
2760 else if (filtering)
|
|
|
2761 {
|
|
|
2762 apply_autocmds_exarg(EVENT_FILTERWRITEPRE,
|
|
|
2763 NULL, sfname, FALSE, curbuf, eap);
|
|
|
2764 }
|
|
|
2765 else if (reset_changed && whole)
|
|
|
2766 {
|
|
|
2767 if (!(did_cmd = apply_autocmds_exarg(EVENT_BUFWRITECMD,
|
|
|
2768 sfname, sfname, FALSE, curbuf, eap)))
|
|
17
|
2769 {
|
|
179
|
2770 if (overwriting && bt_nofile(curbuf))
|
|
17
|
2771 nofile_err = TRUE;
|
|
|
2772 else
|
|
|
2773 apply_autocmds_exarg(EVENT_BUFWRITEPRE,
|
|
7
|
2774 sfname, sfname, FALSE, curbuf, eap);
|
|
17
|
2775 }
|
|
7
|
2776 }
|
|
|
2777 else
|
|
|
2778 {
|
|
|
2779 if (!(did_cmd = apply_autocmds_exarg(EVENT_FILEWRITECMD,
|
|
|
2780 sfname, sfname, FALSE, curbuf, eap)))
|
|
17
|
2781 {
|
|
179
|
2782 if (overwriting && bt_nofile(curbuf))
|
|
17
|
2783 nofile_err = TRUE;
|
|
|
2784 else
|
|
|
2785 apply_autocmds_exarg(EVENT_FILEWRITEPRE,
|
|
7
|
2786 sfname, sfname, FALSE, curbuf, eap);
|
|
17
|
2787 }
|
|
7
|
2788 }
|
|
|
2789
|
|
|
2790 /* restore curwin/curbuf and a few other things */
|
|
|
2791 aucmd_restbuf(&aco);
|
|
|
2792
|
|
|
2793 /*
|
|
|
2794 * In three situations we return here and don't write the file:
|
|
|
2795 * 1. the autocommands deleted or unloaded the buffer.
|
|
|
2796 * 2. The autocommands abort script processing.
|
|
|
2797 * 3. If one of the "Cmd" autocommands was executed.
|
|
|
2798 */
|
|
|
2799 if (!buf_valid(buf))
|
|
|
2800 buf = NULL;
|
|
161
|
2801 if (buf == NULL || (buf->b_ml.ml_mfp == NULL && !empty_memline)
|
|
532
|
2802 || did_cmd || nofile_err
|
|
|
2803 #ifdef FEAT_EVAL
|
|
|
2804 || aborting()
|
|
|
2805 #endif
|
|
|
2806 )
|
|
7
|
2807 {
|
|
|
2808 --no_wait_return;
|
|
|
2809 msg_scroll = msg_save;
|
|
17
|
2810 if (nofile_err)
|
|
|
2811 EMSG(_("E676: No matching autocommands for acwrite buffer"));
|
|
|
2812
|
|
532
|
2813 if (nofile_err
|
|
|
2814 #ifdef FEAT_EVAL
|
|
|
2815 || aborting()
|
|
|
2816 #endif
|
|
|
2817 )
|
|
7
|
2818 /* An aborting error, interrupt or exception in the
|
|
|
2819 * autocommands. */
|
|
|
2820 return FAIL;
|
|
|
2821 if (did_cmd)
|
|
|
2822 {
|
|
|
2823 if (buf == NULL)
|
|
|
2824 /* The buffer was deleted. We assume it was written
|
|
|
2825 * (can't retry anyway). */
|
|
|
2826 return OK;
|
|
|
2827 if (overwriting)
|
|
|
2828 {
|
|
|
2829 /* Assume the buffer was written, update the timestamp. */
|
|
|
2830 ml_timestamp(buf);
|
|
|
2831 buf->b_flags &= ~BF_WRITE_MASK;
|
|
|
2832 }
|
|
39
|
2833 if (reset_changed && buf->b_changed
|
|
|
2834 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL))
|
|
7
|
2835 /* Buffer still changed, the autocommands didn't work
|
|
|
2836 * properly. */
|
|
|
2837 return FAIL;
|
|
|
2838 return OK;
|
|
|
2839 }
|
|
|
2840 #ifdef FEAT_EVAL
|
|
|
2841 if (!aborting())
|
|
|
2842 #endif
|
|
|
2843 EMSG(_("E203: Autocommands deleted or unloaded buffer to be written"));
|
|
|
2844 return FAIL;
|
|
|
2845 }
|
|
|
2846
|
|
|
2847 /*
|
|
|
2848 * The autocommands may have changed the number of lines in the file.
|
|
|
2849 * When writing the whole file, adjust the end.
|
|
|
2850 * When writing part of the file, assume that the autocommands only
|
|
|
2851 * changed the number of lines that are to be written (tricky!).
|
|
|
2852 */
|
|
|
2853 if (buf->b_ml.ml_line_count != old_line_count)
|
|
|
2854 {
|
|
|
2855 if (whole) /* write all */
|
|
|
2856 end = buf->b_ml.ml_line_count;
|
|
|
2857 else if (buf->b_ml.ml_line_count > old_line_count) /* more lines */
|
|
|
2858 end += buf->b_ml.ml_line_count - old_line_count;
|
|
|
2859 else /* less lines */
|
|
|
2860 {
|
|
|
2861 end -= old_line_count - buf->b_ml.ml_line_count;
|
|
|
2862 if (end < start)
|
|
|
2863 {
|
|
|
2864 --no_wait_return;
|
|
|
2865 msg_scroll = msg_save;
|
|
|
2866 EMSG(_("E204: Autocommand changed number of lines in unexpected way"));
|
|
|
2867 return FAIL;
|
|
|
2868 }
|
|
|
2869 }
|
|
|
2870 }
|
|
|
2871
|
|
|
2872 /*
|
|
|
2873 * The autocommands may have changed the name of the buffer, which may
|
|
|
2874 * be kept in fname, ffname and sfname.
|
|
|
2875 */
|
|
|
2876 if (buf_ffname)
|
|
|
2877 ffname = buf->b_ffname;
|
|
|
2878 if (buf_sfname)
|
|
|
2879 sfname = buf->b_sfname;
|
|
|
2880 if (buf_fname_f)
|
|
|
2881 fname = buf->b_ffname;
|
|
|
2882 if (buf_fname_s)
|
|
|
2883 fname = buf->b_sfname;
|
|
|
2884 }
|
|
|
2885 #endif
|
|
|
2886
|
|
|
2887 #ifdef FEAT_NETBEANS_INTG
|
|
|
2888 if (usingNetbeans && isNetbeansBuffer(buf))
|
|
|
2889 {
|
|
|
2890 if (whole)
|
|
|
2891 {
|
|
|
2892 /*
|
|
|
2893 * b_changed can be 0 after an undo, but we still need to write
|
|
|
2894 * the buffer to NetBeans.
|
|
|
2895 */
|
|
|
2896 if (buf->b_changed || isNetbeansModified(buf))
|
|
|
2897 {
|
|
33
|
2898 --no_wait_return; /* may wait for return now */
|
|
|
2899 msg_scroll = msg_save;
|
|
|
2900 netbeans_save_buffer(buf); /* no error checking... */
|
|
7
|
2901 return retval;
|
|
|
2902 }
|
|
|
2903 else
|
|
|
2904 {
|
|
|
2905 errnum = (char_u *)"E656: ";
|
|
|
2906 errmsg = (char_u *)_("NetBeans dissallows writes of unmodified buffers");
|
|
|
2907 buffer = NULL;
|
|
|
2908 goto fail;
|
|
|
2909 }
|
|
|
2910 }
|
|
|
2911 else
|
|
|
2912 {
|
|
|
2913 errnum = (char_u *)"E657: ";
|
|
|
2914 errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers");
|
|
|
2915 buffer = NULL;
|
|
|
2916 goto fail;
|
|
|
2917 }
|
|
|
2918 }
|
|
|
2919 #endif
|
|
|
2920
|
|
|
2921 if (shortmess(SHM_OVER) && !exiting)
|
|
|
2922 msg_scroll = FALSE; /* overwrite previous file message */
|
|
|
2923 else
|
|
|
2924 msg_scroll = TRUE; /* don't overwrite previous file message */
|
|
|
2925 if (!filtering)
|
|
|
2926 filemess(buf,
|
|
|
2927 #ifndef UNIX
|
|
|
2928 sfname,
|
|
|
2929 #else
|
|
|
2930 fname,
|
|
|
2931 #endif
|
|
|
2932 (char_u *)"", 0); /* show that we are busy */
|
|
|
2933 msg_scroll = FALSE; /* always overwrite the file message now */
|
|
|
2934
|
|
|
2935 buffer = alloc(BUFSIZE);
|
|
|
2936 if (buffer == NULL) /* can't allocate big buffer, use small
|
|
|
2937 * one (to be able to write when out of
|
|
|
2938 * memory) */
|
|
|
2939 {
|
|
|
2940 buffer = smallbuf;
|
|
|
2941 bufsize = SMBUFSIZE;
|
|
|
2942 }
|
|
|
2943 else
|
|
|
2944 bufsize = BUFSIZE;
|
|
|
2945
|
|
|
2946 /*
|
|
|
2947 * Get information about original file (if there is one).
|
|
|
2948 */
|
|
|
2949 #if defined(UNIX) && !defined(ARCHIE)
|
|
|
2950 st_old.st_dev = st_old.st_ino = 0;
|
|
|
2951 perm = -1;
|
|
|
2952 if (mch_stat((char *)fname, &st_old) < 0)
|
|
|
2953 newfile = TRUE;
|
|
|
2954 else
|
|
|
2955 {
|
|
|
2956 perm = st_old.st_mode;
|
|
|
2957 if (!S_ISREG(st_old.st_mode)) /* not a file */
|
|
|
2958 {
|
|
|
2959 if (S_ISDIR(st_old.st_mode))
|
|
|
2960 {
|
|
|
2961 errnum = (char_u *)"E502: ";
|
|
|
2962 errmsg = (char_u *)_("is a directory");
|
|
|
2963 goto fail;
|
|
|
2964 }
|
|
|
2965 if (mch_nodetype(fname) != NODE_WRITABLE)
|
|
|
2966 {
|
|
|
2967 errnum = (char_u *)"E503: ";
|
|
|
2968 errmsg = (char_u *)_("is not a file or writable device");
|
|
|
2969 goto fail;
|
|
|
2970 }
|
|
|
2971 /* It's a device of some kind (or a fifo) which we can write to
|
|
|
2972 * but for which we can't make a backup. */
|
|
|
2973 device = TRUE;
|
|
|
2974 newfile = TRUE;
|
|
|
2975 perm = -1;
|
|
|
2976 }
|
|
|
2977 }
|
|
|
2978 #else /* !UNIX */
|
|
|
2979 /*
|
|
|
2980 * Check for a writable device name.
|
|
|
2981 */
|
|
|
2982 c = mch_nodetype(fname);
|
|
|
2983 if (c == NODE_OTHER)
|
|
|
2984 {
|
|
|
2985 errnum = (char_u *)"E503: ";
|
|
|
2986 errmsg = (char_u *)_("is not a file or writable device");
|
|
|
2987 goto fail;
|
|
|
2988 }
|
|
|
2989 if (c == NODE_WRITABLE)
|
|
|
2990 {
|
|
|
2991 device = TRUE;
|
|
|
2992 newfile = TRUE;
|
|
|
2993 perm = -1;
|
|
|
2994 }
|
|
|
2995 else
|
|
|
2996 {
|
|
|
2997 perm = mch_getperm(fname);
|
|
|
2998 if (perm < 0)
|
|
|
2999 newfile = TRUE;
|
|
|
3000 else if (mch_isdir(fname))
|
|
|
3001 {
|
|
|
3002 errnum = (char_u *)"E502: ";
|
|
|
3003 errmsg = (char_u *)_("is a directory");
|
|
|
3004 goto fail;
|
|
|
3005 }
|
|
|
3006 if (overwriting)
|
|
|
3007 (void)mch_stat((char *)fname, &st_old);
|
|
|
3008 }
|
|
|
3009 #endif /* !UNIX */
|
|
|
3010
|
|
|
3011 if (!device && !newfile)
|
|
|
3012 {
|
|
|
3013 /*
|
|
|
3014 * Check if the file is really writable (when renaming the file to
|
|
|
3015 * make a backup we won't discover it later).
|
|
|
3016 */
|
|
|
3017 file_readonly = (
|
|
|
3018 # ifdef USE_MCH_ACCESS
|
|
|
3019 # ifdef UNIX
|
|
|
3020 (perm & 0222) == 0 ||
|
|
|
3021 # endif
|
|
|
3022 mch_access((char *)fname, W_OK)
|
|
|
3023 # else
|
|
|
3024 (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0
|
|
|
3025 ? TRUE : (close(fd), FALSE)
|
|
|
3026 # endif
|
|
|
3027 );
|
|
|
3028 if (!forceit && file_readonly)
|
|
|
3029 {
|
|
|
3030 if (vim_strchr(p_cpo, CPO_FWRITE) != NULL)
|
|
|
3031 {
|
|
|
3032 errnum = (char_u *)"E504: ";
|
|
|
3033 errmsg = (char_u *)_(err_readonly);
|
|
|
3034 }
|
|
|
3035 else
|
|
|
3036 {
|
|
|
3037 errnum = (char_u *)"E505: ";
|
|
|
3038 errmsg = (char_u *)_("is read-only (add ! to override)");
|
|
|
3039 }
|
|
|
3040 goto fail;
|
|
|
3041 }
|
|
|
3042
|
|
|
3043 /*
|
|
|
3044 * Check if the timestamp hasn't changed since reading the file.
|
|
|
3045 */
|
|
|
3046 if (overwriting)
|
|
|
3047 {
|
|
|
3048 retval = check_mtime(buf, &st_old);
|
|
|
3049 if (retval == FAIL)
|
|
|
3050 goto fail;
|
|
|
3051 }
|
|
|
3052 }
|
|
|
3053
|
|
|
3054 #ifdef HAVE_ACL
|
|
|
3055 /*
|
|
|
3056 * For systems that support ACL: get the ACL from the original file.
|
|
|
3057 */
|
|
|
3058 if (!newfile)
|
|
|
3059 acl = mch_get_acl(fname);
|
|
|
3060 #endif
|
|
|
3061
|
|
|
3062 /*
|
|
|
3063 * If 'backupskip' is not empty, don't make a backup for some files.
|
|
|
3064 */
|
|
|
3065 dobackup = (p_wb || p_bk || *p_pm != NUL);
|
|
|
3066 #ifdef FEAT_WILDIGN
|
|
|
3067 if (dobackup && *p_bsk != NUL && match_file_list(p_bsk, sfname, ffname))
|
|
|
3068 dobackup = FALSE;
|
|
|
3069 #endif
|
|
|
3070
|
|
|
3071 /*
|
|
|
3072 * Save the value of got_int and reset it. We don't want a previous
|
|
|
3073 * interruption cancel writing, only hitting CTRL-C while writing should
|
|
|
3074 * abort it.
|
|
|
3075 */
|
|
|
3076 prev_got_int = got_int;
|
|
|
3077 got_int = FALSE;
|
|
|
3078
|
|
|
3079 /* Mark the buffer as 'being saved' to prevent changed buffer warnings */
|
|
|
3080 buf->b_saving = TRUE;
|
|
|
3081
|
|
|
3082 /*
|
|
|
3083 * If we are not appending or filtering, the file exists, and the
|
|
|
3084 * 'writebackup', 'backup' or 'patchmode' option is set, need a backup.
|
|
|
3085 * When 'patchmode' is set also make a backup when appending.
|
|
|
3086 *
|
|
|
3087 * Do not make any backup, if 'writebackup' and 'backup' are both switched
|
|
|
3088 * off. This helps when editing large files on almost-full disks.
|
|
|
3089 */
|
|
|
3090 if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup)
|
|
|
3091 {
|
|
|
3092 #if defined(UNIX) || defined(WIN32)
|
|
|
3093 struct stat st;
|
|
|
3094 #endif
|
|
|
3095
|
|
|
3096 if ((bkc_flags & BKC_YES) || append) /* "yes" */
|
|
|
3097 backup_copy = TRUE;
|
|
|
3098 #if defined(UNIX) || defined(WIN32)
|
|
|
3099 else if ((bkc_flags & BKC_AUTO)) /* "auto" */
|
|
|
3100 {
|
|
|
3101 int i;
|
|
|
3102
|
|
|
3103 # ifdef UNIX
|
|
|
3104 /*
|
|
|
3105 * Don't rename the file when:
|
|
|
3106 * - it's a hard link
|
|
|
3107 * - it's a symbolic link
|
|
|
3108 * - we don't have write permission in the directory
|
|
|
3109 * - we can't set the owner/group of the new file
|
|
|
3110 */
|
|
|
3111 if (st_old.st_nlink > 1
|
|
|
3112 || mch_lstat((char *)fname, &st) < 0
|
|
|
3113 || st.st_dev != st_old.st_dev
|
|
557
|
3114 || st.st_ino != st_old.st_ino
|
|
|
3115 # ifndef HAVE_FCHOWN
|
|
|
3116 || st.st_uid != st_old.st_uid
|
|
|
3117 || st.st_gid != st_old.st_gid
|
|
|
3118 # endif
|
|
|
3119 )
|
|
7
|
3120 backup_copy = TRUE;
|
|
|
3121 else
|
|
|
3122 # endif
|
|
|
3123 {
|
|
|
3124 /*
|
|
|
3125 * Check if we can create a file and set the owner/group to
|
|
|
3126 * the ones from the original file.
|
|
|
3127 * First find a file name that doesn't exist yet (use some
|
|
|
3128 * arbitrary numbers).
|
|
|
3129 */
|
|
|
3130 STRCPY(IObuff, fname);
|
|
|
3131 for (i = 4913; ; i += 123)
|
|
|
3132 {
|
|
|
3133 sprintf((char *)gettail(IObuff), "%d", i);
|
|
557
|
3134 if (mch_lstat((char *)IObuff, &st) < 0)
|
|
7
|
3135 break;
|
|
|
3136 }
|
|
557
|
3137 fd = mch_open((char *)IObuff,
|
|
|
3138 O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm);
|
|
7
|
3139 if (fd < 0) /* can't write in directory */
|
|
|
3140 backup_copy = TRUE;
|
|
|
3141 else
|
|
|
3142 {
|
|
|
3143 # ifdef UNIX
|
|
557
|
3144 # ifdef HAVE_FCHOWN
|
|
|
3145 fchown(fd, st_old.st_uid, st_old.st_gid);
|
|
|
3146 # endif
|
|
7
|
3147 if (mch_stat((char *)IObuff, &st) < 0
|
|
|
3148 || st.st_uid != st_old.st_uid
|
|
|
3149 || st.st_gid != st_old.st_gid
|
|
|
3150 || st.st_mode != perm)
|
|
|
3151 backup_copy = TRUE;
|
|
|
3152 # endif
|
|
|
3153 mch_remove(IObuff);
|
|
557
|
3154 close(fd);
|
|
7
|
3155 }
|
|
|
3156 }
|
|
|
3157 }
|
|
|
3158
|
|
|
3159 # ifdef UNIX
|
|
|
3160 /*
|
|
|
3161 * Break symlinks and/or hardlinks if we've been asked to.
|
|
|
3162 */
|
|
|
3163 if ((bkc_flags & BKC_BREAKSYMLINK) || (bkc_flags & BKC_BREAKHARDLINK))
|
|
|
3164 {
|
|
|
3165 int lstat_res;
|
|
|
3166
|
|
|
3167 lstat_res = mch_lstat((char *)fname, &st);
|
|
|
3168
|
|
|
3169 /* Symlinks. */
|
|
|
3170 if ((bkc_flags & BKC_BREAKSYMLINK)
|
|
|
3171 && lstat_res == 0
|
|
|
3172 && st.st_ino != st_old.st_ino)
|
|
|
3173 backup_copy = FALSE;
|
|
|
3174
|
|
|
3175 /* Hardlinks. */
|
|
|
3176 if ((bkc_flags & BKC_BREAKHARDLINK)
|
|
|
3177 && st_old.st_nlink > 1
|
|
|
3178 && (lstat_res != 0 || st.st_ino == st_old.st_ino))
|
|
|
3179 backup_copy = FALSE;
|
|
|
3180 }
|
|
|
3181 #endif
|
|
|
3182
|
|
|
3183 #endif
|
|
|
3184
|
|
|
3185 /* make sure we have a valid backup extension to use */
|
|
|
3186 if (*p_bex == NUL)
|
|
|
3187 {
|
|
|
3188 #ifdef RISCOS
|
|
|
3189 backup_ext = (char_u *)"/bak";
|
|
|
3190 #else
|
|
|
3191 backup_ext = (char_u *)".bak";
|
|
|
3192 #endif
|
|
|
3193 }
|
|
|
3194 else
|
|
|
3195 backup_ext = p_bex;
|
|
|
3196
|
|
|
3197 if (backup_copy
|
|
|
3198 && (fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0)) >= 0)
|
|
|
3199 {
|
|
|
3200 int bfd;
|
|
|
3201 char_u *copybuf, *wp;
|
|
|
3202 int some_error = FALSE;
|
|
|
3203 struct stat st_new;
|
|
|
3204 char_u *dirp;
|
|
|
3205 char_u *rootname;
|
|
344
|
3206 #if defined(UNIX) && !defined(SHORT_FNAME)
|
|
7
|
3207 int did_set_shortname;
|
|
|
3208 #endif
|
|
|
3209
|
|
|
3210 copybuf = alloc(BUFSIZE + 1);
|
|
|
3211 if (copybuf == NULL)
|
|
|
3212 {
|
|
|
3213 some_error = TRUE; /* out of memory */
|
|
|
3214 goto nobackup;
|
|
|
3215 }
|
|
|
3216
|
|
|
3217 /*
|
|
|
3218 * Try to make the backup in each directory in the 'bdir' option.
|
|
|
3219 *
|
|
|
3220 * Unix semantics has it, that we may have a writable file,
|
|
|
3221 * that cannot be recreated with a simple open(..., O_CREAT, ) e.g:
|
|
|
3222 * - the directory is not writable,
|
|
|
3223 * - the file may be a symbolic link,
|
|
|
3224 * - the file may belong to another user/group, etc.
|
|
|
3225 *
|
|
|
3226 * For these reasons, the existing writable file must be truncated
|
|
|
3227 * and reused. Creation of a backup COPY will be attempted.
|
|
|
3228 */
|
|
|
3229 dirp = p_bdir;
|
|
|
3230 while (*dirp)
|
|
|
3231 {
|
|
|
3232 #ifdef UNIX
|
|
|
3233 st_new.st_ino = 0;
|
|
|
3234 st_new.st_dev = 0;
|
|
|
3235 st_new.st_gid = 0;
|
|
|
3236 #endif
|
|
|
3237
|
|
|
3238 /*
|
|
|
3239 * Isolate one directory name, using an entry in 'bdir'.
|
|
|
3240 */
|
|
|
3241 (void)copy_option_part(&dirp, copybuf, BUFSIZE, ",");
|
|
|
3242 rootname = get_file_in_dir(fname, copybuf);
|
|
|
3243 if (rootname == NULL)
|
|
|
3244 {
|
|
|
3245 some_error = TRUE; /* out of memory */
|
|
|
3246 goto nobackup;
|
|
|
3247 }
|
|
|
3248
|
|
344
|
3249 #if defined(UNIX) && !defined(SHORT_FNAME)
|
|
7
|
3250 did_set_shortname = FALSE;
|
|
|
3251 #endif
|
|
|
3252
|
|
|
3253 /*
|
|
|
3254 * May try twice if 'shortname' not set.
|
|
|
3255 */
|
|
|
3256 for (;;)
|
|
|
3257 {
|
|
|
3258 /*
|
|
|
3259 * Make backup file name.
|
|
|
3260 */
|
|
|
3261 backup = buf_modname(
|
|
|
3262 #ifdef SHORT_FNAME
|
|
|
3263 TRUE,
|
|
|
3264 #else
|
|
|
3265 (buf->b_p_sn || buf->b_shortname),
|
|
|
3266 #endif
|
|
|
3267 rootname, backup_ext, FALSE);
|
|
|
3268 if (backup == NULL)
|
|
|
3269 {
|
|
|
3270 vim_free(rootname);
|
|
|
3271 some_error = TRUE; /* out of memory */
|
|
|
3272 goto nobackup;
|
|
|
3273 }
|
|
|
3274
|
|
|
3275 /*
|
|
|
3276 * Check if backup file already exists.
|
|
|
3277 */
|
|
|
3278 if (mch_stat((char *)backup, &st_new) >= 0)
|
|
|
3279 {
|
|
|
3280 #ifdef UNIX
|
|
|
3281 /*
|
|
|
3282 * Check if backup file is same as original file.
|
|
|
3283 * May happen when modname() gave the same file back.
|
|
|
3284 * E.g. silly link, or file name-length reached.
|
|
|
3285 * If we don't check here, we either ruin the file
|
|
|
3286 * when copying or erase it after writing. jw.
|
|
|
3287 */
|
|
|
3288 if (st_new.st_dev == st_old.st_dev
|
|
|
3289 && st_new.st_ino == st_old.st_ino)
|
|
|
3290 {
|
|
|
3291 vim_free(backup);
|
|
|
3292 backup = NULL; /* no backup file to delete */
|
|
|
3293 # ifndef SHORT_FNAME
|
|
|
3294 /*
|
|
|
3295 * may try again with 'shortname' set
|
|
|
3296 */
|
|
|
3297 if (!(buf->b_shortname || buf->b_p_sn))
|
|
|
3298 {
|
|
|
3299 buf->b_shortname = TRUE;
|
|
|
3300 did_set_shortname = TRUE;
|
|
|
3301 continue;
|
|
|
3302 }
|
|
|
3303 /* setting shortname didn't help */
|
|
|
3304 if (did_set_shortname)
|
|
|
3305 buf->b_shortname = FALSE;
|
|
|
3306 # endif
|
|
|
3307 break;
|
|
|
3308 }
|
|
|
3309 #endif
|
|
|
3310
|
|
|
3311 /*
|
|
|
3312 * If we are not going to keep the backup file, don't
|
|
|
3313 * delete an existing one, try to use another name.
|
|
|
3314 * Change one character, just before the extension.
|
|
|
3315 */
|
|
|
3316 if (!p_bk)
|
|
|
3317 {
|
|
|
3318 wp = backup + STRLEN(backup) - 1
|
|
|
3319 - STRLEN(backup_ext);
|
|
|
3320 if (wp < backup) /* empty file name ??? */
|
|
|
3321 wp = backup;
|
|
|
3322 *wp = 'z';
|
|
|
3323 while (*wp > 'a'
|
|
|
3324 && mch_stat((char *)backup, &st_new) >= 0)
|
|
|
3325 --*wp;
|
|
|
3326 /* They all exist??? Must be something wrong. */
|
|
|
3327 if (*wp == 'a')
|
|
|
3328 {
|
|
|
3329 vim_free(backup);
|
|
|
3330 backup = NULL;
|
|
|
3331 }
|
|
|
3332 }
|
|
|
3333 }
|
|
|
3334 break;
|
|
|
3335 }
|
|
|
3336 vim_free(rootname);
|
|
|
3337
|
|
|
3338 /*
|
|
|
3339 * Try to create the backup file
|
|
|
3340 */
|
|
|
3341 if (backup != NULL)
|
|
|
3342 {
|
|
|
3343 /* remove old backup, if present */
|
|
|
3344 mch_remove(backup);
|
|
|
3345 /* Open with O_EXCL to avoid the file being created while
|
|
|
3346 * we were sleeping (symlink hacker attack?) */
|
|
|
3347 bfd = mch_open((char *)backup,
|
|
557
|
3348 O_WRONLY|O_CREAT|O_EXTRA|O_EXCL|O_NOFOLLOW,
|
|
|
3349 perm & 0777);
|
|
7
|
3350 if (bfd < 0)
|
|
|
3351 {
|
|
|
3352 vim_free(backup);
|
|
|
3353 backup = NULL;
|
|
|
3354 }
|
|
|
3355 else
|
|
|
3356 {
|
|
|
3357 /* set file protection same as original file, but
|
|
|
3358 * strip s-bit */
|
|
|
3359 (void)mch_setperm(backup, perm & 0777);
|
|
|
3360
|
|
|
3361 #ifdef UNIX
|
|
|
3362 /*
|
|
|
3363 * Try to set the group of the backup same as the
|
|
|
3364 * original file. If this fails, set the protection
|
|
|
3365 * bits for the group same as the protection bits for
|
|
|
3366 * others.
|
|
|
3367 */
|
|
557
|
3368 if (st_new.st_gid != st_old.st_gid
|
|
7
|
3369 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */
|
|
557
|
3370 && fchown(bfd, (uid_t)-1, st_old.st_gid) != 0
|
|
7
|
3371 # endif
|
|
|
3372 )
|
|
|
3373 mch_setperm(backup,
|
|
|
3374 (perm & 0707) | ((perm & 07) << 3));
|
|
|
3375 #endif
|
|
|
3376
|
|
|
3377 /*
|
|
|
3378 * copy the file.
|
|
|
3379 */
|
|
|
3380 write_info.bw_fd = bfd;
|
|
|
3381 write_info.bw_buf = copybuf;
|
|
|
3382 #ifdef HAS_BW_FLAGS
|
|
|
3383 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
3384 #endif
|
|
|
3385 while ((write_info.bw_len = vim_read(fd, copybuf,
|
|
|
3386 BUFSIZE)) > 0)
|
|
|
3387 {
|
|
|
3388 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3389 {
|
|
|
3390 errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)");
|
|
|
3391 break;
|
|
|
3392 }
|
|
|
3393 ui_breakcheck();
|
|
|
3394 if (got_int)
|
|
|
3395 {
|
|
|
3396 errmsg = (char_u *)_(e_interr);
|
|
|
3397 break;
|
|
|
3398 }
|
|
|
3399 }
|
|
|
3400
|
|
|
3401 if (close(bfd) < 0 && errmsg == NULL)
|
|
|
3402 errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)");
|
|
|
3403 if (write_info.bw_len < 0)
|
|
|
3404 errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)");
|
|
|
3405 #ifdef UNIX
|
|
|
3406 set_file_time(backup, st_old.st_atime, st_old.st_mtime);
|
|
|
3407 #endif
|
|
|
3408 #ifdef HAVE_ACL
|
|
|
3409 mch_set_acl(backup, acl);
|
|
|
3410 #endif
|
|
|
3411 break;
|
|
|
3412 }
|
|
|
3413 }
|
|
|
3414 }
|
|
|
3415 nobackup:
|
|
|
3416 close(fd); /* ignore errors for closing read file */
|
|
|
3417 vim_free(copybuf);
|
|
|
3418
|
|
|
3419 if (backup == NULL && errmsg == NULL)
|
|
|
3420 errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)");
|
|
|
3421 /* ignore errors when forceit is TRUE */
|
|
|
3422 if ((some_error || errmsg != NULL) && !forceit)
|
|
|
3423 {
|
|
|
3424 retval = FAIL;
|
|
|
3425 goto fail;
|
|
|
3426 }
|
|
|
3427 errmsg = NULL;
|
|
|
3428 }
|
|
|
3429 else
|
|
|
3430 {
|
|
|
3431 char_u *dirp;
|
|
|
3432 char_u *p;
|
|
|
3433 char_u *rootname;
|
|
|
3434
|
|
|
3435 /*
|
|
|
3436 * Make a backup by renaming the original file.
|
|
|
3437 */
|
|
|
3438 /*
|
|
|
3439 * If 'cpoptions' includes the "W" flag, we don't want to
|
|
|
3440 * overwrite a read-only file. But rename may be possible
|
|
|
3441 * anyway, thus we need an extra check here.
|
|
|
3442 */
|
|
|
3443 if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL)
|
|
|
3444 {
|
|
|
3445 errnum = (char_u *)"E504: ";
|
|
|
3446 errmsg = (char_u *)_(err_readonly);
|
|
|
3447 goto fail;
|
|
|
3448 }
|
|
|
3449
|
|
|
3450 /*
|
|
|
3451 *
|
|
|
3452 * Form the backup file name - change path/fo.o.h to
|
|
|
3453 * path/fo.o.h.bak Try all directories in 'backupdir', first one
|
|
|
3454 * that works is used.
|
|
|
3455 */
|
|
|
3456 dirp = p_bdir;
|
|
|
3457 while (*dirp)
|
|
|
3458 {
|
|
|
3459 /*
|
|
|
3460 * Isolate one directory name and make the backup file name.
|
|
|
3461 */
|
|
|
3462 (void)copy_option_part(&dirp, IObuff, IOSIZE, ",");
|
|
|
3463 rootname = get_file_in_dir(fname, IObuff);
|
|
|
3464 if (rootname == NULL)
|
|
|
3465 backup = NULL;
|
|
|
3466 else
|
|
|
3467 {
|
|
|
3468 backup = buf_modname(
|
|
|
3469 #ifdef SHORT_FNAME
|
|
|
3470 TRUE,
|
|
|
3471 #else
|
|
|
3472 (buf->b_p_sn || buf->b_shortname),
|
|
|
3473 #endif
|
|
|
3474 rootname, backup_ext, FALSE);
|
|
|
3475 vim_free(rootname);
|
|
|
3476 }
|
|
|
3477
|
|
|
3478 if (backup != NULL)
|
|
|
3479 {
|
|
|
3480 /*
|
|
|
3481 * If we are not going to keep the backup file, don't
|
|
|
3482 * delete an existing one, try to use another name.
|
|
|
3483 * Change one character, just before the extension.
|
|
|
3484 */
|
|
|
3485 if (!p_bk && mch_getperm(backup) >= 0)
|
|
|
3486 {
|
|
|
3487 p = backup + STRLEN(backup) - 1 - STRLEN(backup_ext);
|
|
|
3488 if (p < backup) /* empty file name ??? */
|
|
|
3489 p = backup;
|
|
|
3490 *p = 'z';
|
|
|
3491 while (*p > 'a' && mch_getperm(backup) >= 0)
|
|
|
3492 --*p;
|
|
|
3493 /* They all exist??? Must be something wrong! */
|
|
|
3494 if (*p == 'a')
|
|
|
3495 {
|
|
|
3496 vim_free(backup);
|
|
|
3497 backup = NULL;
|
|
|
3498 }
|
|
|
3499 }
|
|
|
3500 }
|
|
|
3501 if (backup != NULL)
|
|
|
3502 {
|
|
|
3503 /*
|
|
531
|
3504 * Delete any existing backup and move the current version
|
|
|
3505 * to the backup. For safety, we don't remove the backup
|
|
|
3506 * until the write has finished successfully. And if the
|
|
|
3507 * 'backup' option is set, leave it around.
|
|
7
|
3508 */
|
|
|
3509 /*
|
|
|
3510 * If the renaming of the original file to the backup file
|
|
|
3511 * works, quit here.
|
|
|
3512 */
|
|
|
3513 if (vim_rename(fname, backup) == 0)
|
|
|
3514 break;
|
|
|
3515
|
|
|
3516 vim_free(backup); /* don't do the rename below */
|
|
|
3517 backup = NULL;
|
|
|
3518 }
|
|
|
3519 }
|
|
|
3520 if (backup == NULL && !forceit)
|
|
|
3521 {
|
|
|
3522 errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)");
|
|
|
3523 goto fail;
|
|
|
3524 }
|
|
|
3525 }
|
|
|
3526 }
|
|
|
3527
|
|
|
3528 #if defined(UNIX) && !defined(ARCHIE)
|
|
|
3529 /* When using ":w!" and the file was read-only: make it writable */
|
|
|
3530 if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid()
|
|
|
3531 && vim_strchr(p_cpo, CPO_FWRITE) == NULL)
|
|
|
3532 {
|
|
|
3533 perm |= 0200;
|
|
|
3534 (void)mch_setperm(fname, perm);
|
|
|
3535 made_writable = TRUE;
|
|
|
3536 }
|
|
|
3537 #endif
|
|
|
3538
|
|
|
3539 /* When using ":w!" and writing to the current file, readonly makes no
|
|
164
|
3540 * sense, reset it, unless 'Z' appears in 'cpoptions'. */
|
|
|
3541 if (forceit && overwriting && vim_strchr(p_cpo, CPO_KEEPRO) == NULL)
|
|
7
|
3542 {
|
|
|
3543 buf->b_p_ro = FALSE;
|
|
|
3544 #ifdef FEAT_TITLE
|
|
|
3545 need_maketitle = TRUE; /* set window title later */
|
|
|
3546 #endif
|
|
|
3547 #ifdef FEAT_WINDOWS
|
|
|
3548 status_redraw_all(); /* redraw status lines later */
|
|
|
3549 #endif
|
|
|
3550 }
|
|
|
3551
|
|
|
3552 if (end > buf->b_ml.ml_line_count)
|
|
|
3553 end = buf->b_ml.ml_line_count;
|
|
|
3554 if (buf->b_ml.ml_flags & ML_EMPTY)
|
|
|
3555 start = end + 1;
|
|
|
3556
|
|
|
3557 /*
|
|
|
3558 * If the original file is being overwritten, there is a small chance that
|
|
|
3559 * we crash in the middle of writing. Therefore the file is preserved now.
|
|
|
3560 * This makes all block numbers positive so that recovery does not need
|
|
|
3561 * the original file.
|
|
|
3562 * Don't do this if there is a backup file and we are exiting.
|
|
|
3563 */
|
|
39
|
3564 if (reset_changed && !newfile && overwriting
|
|
7
|
3565 && !(exiting && backup != NULL))
|
|
|
3566 {
|
|
|
3567 ml_preserve(buf, FALSE);
|
|
|
3568 if (got_int)
|
|
|
3569 {
|
|
|
3570 errmsg = (char_u *)_(e_interr);
|
|
|
3571 goto restore_backup;
|
|
|
3572 }
|
|
|
3573 }
|
|
|
3574
|
|
|
3575 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
3576 /*
|
|
|
3577 * Before risking to lose the original file verify if there's
|
|
|
3578 * a resource fork to preserve, and if cannot be done warn
|
|
|
3579 * the users. This happens when overwriting without backups.
|
|
|
3580 */
|
|
|
3581 if (backup == NULL && overwriting && !append)
|
|
|
3582 if (mch_has_resource_fork(fname))
|
|
|
3583 {
|
|
|
3584 errmsg = (char_u *)_("E460: The resource fork would be lost (add ! to override)");
|
|
|
3585 goto restore_backup;
|
|
|
3586 }
|
|
|
3587 #endif
|
|
|
3588
|
|
|
3589 #ifdef VMS
|
|
|
3590 vms_remove_version(fname); /* remove version */
|
|
|
3591 #endif
|
|
|
3592 /* Default: write the the file directly. May write to a temp file for
|
|
|
3593 * multi-byte conversion. */
|
|
|
3594 wfname = fname;
|
|
|
3595
|
|
|
3596 #ifdef FEAT_MBYTE
|
|
|
3597 /* Check for forced 'fileencoding' from "++opt=val" argument. */
|
|
|
3598 if (eap != NULL && eap->force_enc != 0)
|
|
|
3599 {
|
|
|
3600 fenc = eap->cmd + eap->force_enc;
|
|
|
3601 fenc = enc_canonize(fenc);
|
|
|
3602 fenc_tofree = fenc;
|
|
|
3603 }
|
|
|
3604 else
|
|
|
3605 fenc = buf->b_p_fenc;
|
|
|
3606
|
|
|
3607 /*
|
|
|
3608 * The file needs to be converted when 'fileencoding' is set and
|
|
|
3609 * 'fileencoding' differs from 'encoding'.
|
|
|
3610 */
|
|
|
3611 converted = (*fenc != NUL && !same_encoding(p_enc, fenc));
|
|
|
3612
|
|
|
3613 /*
|
|
|
3614 * Check if UTF-8 to UCS-2/4 or Latin1 conversion needs to be done. Or
|
|
|
3615 * Latin1 to Unicode conversion. This is handled in buf_write_bytes().
|
|
|
3616 * Prepare the flags for it and allocate bw_conv_buf when needed.
|
|
|
3617 */
|
|
|
3618 if (converted && (enc_utf8 || STRCMP(p_enc, "latin1") == 0))
|
|
|
3619 {
|
|
|
3620 wb_flags = get_fio_flags(fenc);
|
|
|
3621 if (wb_flags & (FIO_UCS2 | FIO_UCS4 | FIO_UTF16 | FIO_UTF8))
|
|
|
3622 {
|
|
|
3623 /* Need to allocate a buffer to translate into. */
|
|
|
3624 if (wb_flags & (FIO_UCS2 | FIO_UTF16 | FIO_UTF8))
|
|
|
3625 write_info.bw_conv_buflen = bufsize * 2;
|
|
|
3626 else /* FIO_UCS4 */
|
|
|
3627 write_info.bw_conv_buflen = bufsize * 4;
|
|
|
3628 write_info.bw_conv_buf
|
|
|
3629 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3630 if (write_info.bw_conv_buf == NULL)
|
|
|
3631 end = 0;
|
|
|
3632 }
|
|
|
3633 }
|
|
|
3634
|
|
|
3635 # ifdef WIN3264
|
|
|
3636 if (converted && wb_flags == 0 && (wb_flags = get_win_fio_flags(fenc)) != 0)
|
|
|
3637 {
|
|
|
3638 /* Convert UTF-8 -> UCS-2 and UCS-2 -> DBCS. Worst-case * 4: */
|
|
|
3639 write_info.bw_conv_buflen = bufsize * 4;
|
|
|
3640 write_info.bw_conv_buf
|
|
|
3641 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3642 if (write_info.bw_conv_buf == NULL)
|
|
|
3643 end = 0;
|
|
|
3644 }
|
|
|
3645 # endif
|
|
|
3646
|
|
|
3647 # ifdef MACOS_X
|
|
|
3648 if (converted && wb_flags == 0 && (wb_flags = get_mac_fio_flags(fenc)) != 0)
|
|
|
3649 {
|
|
|
3650 write_info.bw_conv_buflen = bufsize * 3;
|
|
|
3651 write_info.bw_conv_buf
|
|
|
3652 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3653 if (write_info.bw_conv_buf == NULL)
|
|
|
3654 end = 0;
|
|
|
3655 }
|
|
|
3656 # endif
|
|
|
3657
|
|
|
3658 # if defined(FEAT_EVAL) || defined(USE_ICONV)
|
|
|
3659 if (converted && wb_flags == 0)
|
|
|
3660 {
|
|
|
3661 # ifdef USE_ICONV
|
|
|
3662 /*
|
|
|
3663 * Use iconv() conversion when conversion is needed and it's not done
|
|
|
3664 * internally.
|
|
|
3665 */
|
|
|
3666 write_info.bw_iconv_fd = (iconv_t)my_iconv_open(fenc,
|
|
|
3667 enc_utf8 ? (char_u *)"utf-8" : p_enc);
|
|
|
3668 if (write_info.bw_iconv_fd != (iconv_t)-1)
|
|
|
3669 {
|
|
|
3670 /* We're going to use iconv(), allocate a buffer to convert in. */
|
|
|
3671 write_info.bw_conv_buflen = bufsize * ICONV_MULT;
|
|
|
3672 write_info.bw_conv_buf
|
|
|
3673 = lalloc((long_u)write_info.bw_conv_buflen, TRUE);
|
|
|
3674 if (write_info.bw_conv_buf == NULL)
|
|
|
3675 end = 0;
|
|
|
3676 write_info.bw_first = TRUE;
|
|
|
3677 }
|
|
|
3678 # ifdef FEAT_EVAL
|
|
|
3679 else
|
|
|
3680 # endif
|
|
|
3681 # endif
|
|
|
3682
|
|
|
3683 # ifdef FEAT_EVAL
|
|
|
3684 /*
|
|
|
3685 * When the file needs to be converted with 'charconvert' after
|
|
|
3686 * writing, write to a temp file instead and let the conversion
|
|
|
3687 * overwrite the original file.
|
|
|
3688 */
|
|
|
3689 if (*p_ccv != NUL)
|
|
|
3690 {
|
|
|
3691 wfname = vim_tempname('w');
|
|
|
3692 if (wfname == NULL) /* Can't write without a tempfile! */
|
|
|
3693 {
|
|
|
3694 errmsg = (char_u *)_("E214: Can't find temp file for writing");
|
|
|
3695 goto restore_backup;
|
|
|
3696 }
|
|
|
3697 }
|
|
|
3698 # endif
|
|
|
3699 }
|
|
|
3700 # endif
|
|
|
3701 if (converted && wb_flags == 0
|
|
|
3702 # ifdef USE_ICONV
|
|
|
3703 && write_info.bw_iconv_fd == (iconv_t)-1
|
|
|
3704 # endif
|
|
|
3705 # ifdef FEAT_EVAL
|
|
|
3706 && wfname == fname
|
|
|
3707 # endif
|
|
|
3708 )
|
|
|
3709 {
|
|
|
3710 if (!forceit)
|
|
|
3711 {
|
|
|
3712 errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)");
|
|
|
3713 goto restore_backup;
|
|
|
3714 }
|
|
|
3715 notconverted = TRUE;
|
|
|
3716 }
|
|
|
3717 #endif
|
|
|
3718
|
|
|
3719 /*
|
|
|
3720 * Open the file "wfname" for writing.
|
|
|
3721 * We may try to open the file twice: If we can't write to the
|
|
|
3722 * file and forceit is TRUE we delete the existing file and try to create
|
|
|
3723 * a new one. If this still fails we may have lost the original file!
|
|
|
3724 * (this may happen when the user reached his quotum for number of files).
|
|
|
3725 * Appending will fail if the file does not exist and forceit is FALSE.
|
|
|
3726 */
|
|
|
3727 while ((fd = mch_open((char *)wfname, O_WRONLY | O_EXTRA | (append
|
|
|
3728 ? (forceit ? (O_APPEND | O_CREAT) : O_APPEND)
|
|
|
3729 : (O_CREAT | O_TRUNC))
|
|
216
|
3730 , perm < 0 ? 0666 : (perm & 0777))) < 0)
|
|
7
|
3731 {
|
|
|
3732 /*
|
|
|
3733 * A forced write will try to create a new file if the old one is
|
|
|
3734 * still readonly. This may also happen when the directory is
|
|
|
3735 * read-only. In that case the mch_remove() will fail.
|
|
|
3736 */
|
|
|
3737 if (errmsg == NULL)
|
|
|
3738 {
|
|
|
3739 #ifdef UNIX
|
|
|
3740 struct stat st;
|
|
|
3741
|
|
|
3742 /* Don't delete the file when it's a hard or symbolic link. */
|
|
|
3743 if ((!newfile && st_old.st_nlink > 1)
|
|
|
3744 || (mch_lstat((char *)fname, &st) == 0
|
|
|
3745 && (st.st_dev != st_old.st_dev
|
|
|
3746 || st.st_ino != st_old.st_ino)))
|
|
|
3747 errmsg = (char_u *)_("E166: Can't open linked file for writing");
|
|
|
3748 else
|
|
|
3749 #endif
|
|
|
3750 {
|
|
|
3751 errmsg = (char_u *)_("E212: Can't open file for writing");
|
|
|
3752 if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL
|
|
|
3753 && perm >= 0)
|
|
|
3754 {
|
|
|
3755 #ifdef UNIX
|
|
|
3756 /* we write to the file, thus it should be marked
|
|
|
3757 writable after all */
|
|
|
3758 if (!(perm & 0200))
|
|
|
3759 made_writable = TRUE;
|
|
|
3760 perm |= 0200;
|
|
|
3761 if (st_old.st_uid != getuid() || st_old.st_gid != getgid())
|
|
|
3762 perm &= 0777;
|
|
|
3763 #endif
|
|
|
3764 if (!append) /* don't remove when appending */
|
|
|
3765 mch_remove(wfname);
|
|
|
3766 continue;
|
|
|
3767 }
|
|
|
3768 }
|
|
|
3769 }
|
|
|
3770
|
|
|
3771 restore_backup:
|
|
|
3772 {
|
|
|
3773 struct stat st;
|
|
|
3774
|
|
|
3775 /*
|
|
|
3776 * If we failed to open the file, we don't need a backup. Throw it
|
|
|
3777 * away. If we moved or removed the original file try to put the
|
|
|
3778 * backup in its place.
|
|
|
3779 */
|
|
|
3780 if (backup != NULL && wfname == fname)
|
|
|
3781 {
|
|
|
3782 if (backup_copy)
|
|
|
3783 {
|
|
|
3784 /*
|
|
|
3785 * There is a small chance that we removed the original,
|
|
|
3786 * try to move the copy in its place.
|
|
|
3787 * This may not work if the vim_rename() fails.
|
|
|
3788 * In that case we leave the copy around.
|
|
|
3789 */
|
|
|
3790 /* If file does not exist, put the copy in its place */
|
|
|
3791 if (mch_stat((char *)fname, &st) < 0)
|
|
|
3792 vim_rename(backup, fname);
|
|
|
3793 /* if original file does exist throw away the copy */
|
|
|
3794 if (mch_stat((char *)fname, &st) >= 0)
|
|
|
3795 mch_remove(backup);
|
|
|
3796 }
|
|
|
3797 else
|
|
|
3798 {
|
|
|
3799 /* try to put the original file back */
|
|
|
3800 vim_rename(backup, fname);
|
|
|
3801 }
|
|
|
3802 }
|
|
|
3803
|
|
|
3804 /* if original file no longer exists give an extra warning */
|
|
|
3805 if (!newfile && mch_stat((char *)fname, &st) < 0)
|
|
|
3806 end = 0;
|
|
|
3807 }
|
|
|
3808
|
|
|
3809 #ifdef FEAT_MBYTE
|
|
|
3810 if (wfname != fname)
|
|
|
3811 vim_free(wfname);
|
|
|
3812 #endif
|
|
|
3813 goto fail;
|
|
|
3814 }
|
|
|
3815 errmsg = NULL;
|
|
|
3816
|
|
|
3817 #if defined(MACOS_CLASSIC) || defined(WIN3264)
|
|
|
3818 /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
3819 /*
|
|
|
3820 * On macintosh copy the original files attributes (i.e. the backup)
|
|
|
3821 * This is done in order to preserve the ressource fork and the
|
|
|
3822 * Finder attribute (label, comments, custom icons, file creatore)
|
|
|
3823 */
|
|
|
3824 if (backup != NULL && overwriting && !append)
|
|
|
3825 {
|
|
|
3826 if (backup_copy)
|
|
|
3827 (void)mch_copy_file_attribute(wfname, backup);
|
|
|
3828 else
|
|
|
3829 (void)mch_copy_file_attribute(backup, wfname);
|
|
|
3830 }
|
|
|
3831
|
|
|
3832 if (!overwriting && !append)
|
|
|
3833 {
|
|
|
3834 if (buf->b_ffname != NULL)
|
|
|
3835 (void)mch_copy_file_attribute(buf->b_ffname, wfname);
|
|
|
3836 /* Should copy ressource fork */
|
|
|
3837 }
|
|
|
3838 #endif
|
|
|
3839
|
|
|
3840 write_info.bw_fd = fd;
|
|
|
3841
|
|
|
3842 #ifdef FEAT_CRYPT
|
|
|
3843 if (*buf->b_p_key && !filtering)
|
|
|
3844 {
|
|
|
3845 crypt_init_keys(buf->b_p_key);
|
|
|
3846 /* Write magic number, so that Vim knows that this file is encrypted
|
|
|
3847 * when reading it again. This also undergoes utf-8 to ucs-2/4
|
|
|
3848 * conversion when needed. */
|
|
|
3849 write_info.bw_buf = (char_u *)CRYPT_MAGIC;
|
|
|
3850 write_info.bw_len = CRYPT_MAGIC_LEN;
|
|
|
3851 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
3852 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3853 end = 0;
|
|
|
3854 wb_flags |= FIO_ENCRYPTED;
|
|
|
3855 }
|
|
|
3856 #endif
|
|
|
3857
|
|
|
3858 write_info.bw_buf = buffer;
|
|
|
3859 nchars = 0;
|
|
|
3860
|
|
|
3861 /* use "++bin", "++nobin" or 'binary' */
|
|
|
3862 if (eap != NULL && eap->force_bin != 0)
|
|
|
3863 write_bin = (eap->force_bin == FORCE_BIN);
|
|
|
3864 else
|
|
|
3865 write_bin = buf->b_p_bin;
|
|
|
3866
|
|
|
3867 #ifdef FEAT_MBYTE
|
|
|
3868 /*
|
|
|
3869 * The BOM is written just after the encryption magic number.
|
|
24
|
3870 * Skip it when appending and the file already existed, the BOM only makes
|
|
|
3871 * sense at the start of the file.
|
|
7
|
3872 */
|
|
24
|
3873 if (buf->b_p_bomb && !write_bin && (!append || perm < 0))
|
|
7
|
3874 {
|
|
|
3875 write_info.bw_len = make_bom(buffer, fenc);
|
|
|
3876 if (write_info.bw_len > 0)
|
|
|
3877 {
|
|
|
3878 /* don't convert, do encryption */
|
|
|
3879 write_info.bw_flags = FIO_NOCONVERT | wb_flags;
|
|
|
3880 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3881 end = 0;
|
|
|
3882 else
|
|
|
3883 nchars += write_info.bw_len;
|
|
|
3884 }
|
|
|
3885 }
|
|
|
3886 #endif
|
|
|
3887
|
|
|
3888 write_info.bw_len = bufsize;
|
|
|
3889 #ifdef HAS_BW_FLAGS
|
|
|
3890 write_info.bw_flags = wb_flags;
|
|
|
3891 #endif
|
|
|
3892 fileformat = get_fileformat_force(buf, eap);
|
|
|
3893 s = buffer;
|
|
|
3894 len = 0;
|
|
|
3895 for (lnum = start; lnum <= end; ++lnum)
|
|
|
3896 {
|
|
|
3897 /*
|
|
|
3898 * The next while loop is done once for each character written.
|
|
|
3899 * Keep it fast!
|
|
|
3900 */
|
|
|
3901 ptr = ml_get_buf(buf, lnum, FALSE) - 1;
|
|
|
3902 while ((c = *++ptr) != NUL)
|
|
|
3903 {
|
|
|
3904 if (c == NL)
|
|
|
3905 *s = NUL; /* replace newlines with NULs */
|
|
|
3906 else if (c == CAR && fileformat == EOL_MAC)
|
|
|
3907 *s = NL; /* Mac: replace CRs with NLs */
|
|
|
3908 else
|
|
|
3909 *s = c;
|
|
|
3910 ++s;
|
|
|
3911 if (++len != bufsize)
|
|
|
3912 continue;
|
|
|
3913 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3914 {
|
|
|
3915 end = 0; /* write error: break loop */
|
|
|
3916 break;
|
|
|
3917 }
|
|
|
3918 nchars += bufsize;
|
|
|
3919 s = buffer;
|
|
|
3920 len = 0;
|
|
|
3921 }
|
|
|
3922 /* write failed or last line has no EOL: stop here */
|
|
|
3923 if (end == 0
|
|
|
3924 || (lnum == end
|
|
|
3925 && write_bin
|
|
|
3926 && (lnum == write_no_eol_lnum
|
|
|
3927 || (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol))))
|
|
|
3928 {
|
|
|
3929 ++lnum; /* written the line, count it */
|
|
|
3930 no_eol = TRUE;
|
|
|
3931 break;
|
|
|
3932 }
|
|
|
3933 if (fileformat == EOL_UNIX)
|
|
|
3934 *s++ = NL;
|
|
|
3935 else
|
|
|
3936 {
|
|
|
3937 *s++ = CAR; /* EOL_MAC or EOL_DOS: write CR */
|
|
|
3938 if (fileformat == EOL_DOS) /* write CR-NL */
|
|
|
3939 {
|
|
|
3940 if (++len == bufsize)
|
|
|
3941 {
|
|
|
3942 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3943 {
|
|
|
3944 end = 0; /* write error: break loop */
|
|
|
3945 break;
|
|
|
3946 }
|
|
|
3947 nchars += bufsize;
|
|
|
3948 s = buffer;
|
|
|
3949 len = 0;
|
|
|
3950 }
|
|
|
3951 *s++ = NL;
|
|
|
3952 }
|
|
|
3953 }
|
|
|
3954 if (++len == bufsize && end)
|
|
|
3955 {
|
|
|
3956 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3957 {
|
|
|
3958 end = 0; /* write error: break loop */
|
|
|
3959 break;
|
|
|
3960 }
|
|
|
3961 nchars += bufsize;
|
|
|
3962 s = buffer;
|
|
|
3963 len = 0;
|
|
|
3964
|
|
|
3965 ui_breakcheck();
|
|
|
3966 if (got_int)
|
|
|
3967 {
|
|
|
3968 end = 0; /* Interrupted, break loop */
|
|
|
3969 break;
|
|
|
3970 }
|
|
|
3971 }
|
|
|
3972 #ifdef VMS
|
|
|
3973 /*
|
|
|
3974 * On VMS there is a problem: newlines get added when writing blocks
|
|
|
3975 * at a time. Fix it by writing a line at a time.
|
|
|
3976 * This is much slower!
|
|
22
|
3977 * Explanation: VAX/DECC RTL insists that records in some RMS
|
|
|
3978 * structures end with a newline (carriage return) character, and if
|
|
|
3979 * they don't it adds one.
|
|
|
3980 * With other RMS structures it works perfect without this fix.
|
|
7
|
3981 */
|
|
22
|
3982 if ((buf->b_fab_rat & (FAB$M_FTN | FAB$M_CR)) != 0)
|
|
|
3983 {
|
|
|
3984 int b2write;
|
|
|
3985
|
|
|
3986 buf->b_fab_mrs = (buf->b_fab_mrs == 0
|
|
|
3987 ? MIN(4096, bufsize)
|
|
|
3988 : MIN(buf->b_fab_mrs, bufsize));
|
|
|
3989
|
|
|
3990 b2write = len;
|
|
|
3991 while (b2write > 0)
|
|
7
|
3992 {
|
|
22
|
3993 write_info.bw_len = MIN(b2write, buf->b_fab_mrs);
|
|
|
3994 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
3995 {
|
|
|
3996 end = 0;
|
|
|
3997 break;
|
|
|
3998 }
|
|
|
3999 b2write -= MIN(b2write, buf->b_fab_mrs);
|
|
7
|
4000 }
|
|
|
4001 write_info.bw_len = bufsize;
|
|
|
4002 nchars += len;
|
|
|
4003 s = buffer;
|
|
|
4004 len = 0;
|
|
|
4005 }
|
|
|
4006 #endif
|
|
|
4007 }
|
|
|
4008 if (len > 0 && end > 0)
|
|
|
4009 {
|
|
|
4010 write_info.bw_len = len;
|
|
|
4011 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
4012 end = 0; /* write error */
|
|
|
4013 nchars += len;
|
|
|
4014 }
|
|
|
4015
|
|
|
4016 #if defined(UNIX) && defined(HAVE_FSYNC)
|
|
|
4017 /* On many journalling file systems there is a bug that causes both the
|
|
|
4018 * original and the backup file to be lost when halting the system right
|
|
|
4019 * after writing the file. That's because only the meta-data is
|
|
|
4020 * journalled. Syncing the file slows down the system, but assures it has
|
|
10
|
4021 * been written to disk and we don't lose it.
|
|
|
4022 * For a device do try the fsync() but don't complain if it does not work
|
|
36
|
4023 * (could be a pipe).
|
|
|
4024 * If the 'fsync' option is FALSE, don't fsync(). Useful for laptops. */
|
|
|
4025 if (p_fs && fsync(fd) != 0 && !device)
|
|
7
|
4026 {
|
|
|
4027 errmsg = (char_u *)_("E667: Fsync failed");
|
|
|
4028 end = 0;
|
|
|
4029 }
|
|
|
4030 #endif
|
|
|
4031
|
|
557
|
4032 #ifdef UNIX
|
|
|
4033 /* When creating a new file, set its owner/group to that of the original
|
|
|
4034 * file. Get the new device and inode number. */
|
|
|
4035 if (backup != NULL && !backup_copy)
|
|
|
4036 {
|
|
|
4037 # ifdef HAVE_FCHOWN
|
|
|
4038 struct stat st;
|
|
|
4039
|
|
|
4040 /* don't change the owner when it's already OK, some systems remove
|
|
|
4041 * permission or ACL stuff */
|
|
|
4042 if (mch_stat((char *)wfname, &st) < 0
|
|
|
4043 || st.st_uid != st_old.st_uid
|
|
|
4044 || st.st_gid != st_old.st_gid)
|
|
|
4045 {
|
|
|
4046 fchown(fd, st_old.st_uid, st_old.st_gid);
|
|
|
4047 if (perm >= 0) /* set permission again, may have changed */
|
|
|
4048 (void)mch_setperm(wfname, perm);
|
|
|
4049 }
|
|
|
4050 # endif
|
|
|
4051 buf_setino(buf);
|
|
|
4052 }
|
|
|
4053 #endif
|
|
|
4054
|
|
7
|
4055 if (close(fd) != 0)
|
|
|
4056 {
|
|
|
4057 errmsg = (char_u *)_("E512: Close failed");
|
|
|
4058 end = 0;
|
|
|
4059 }
|
|
|
4060
|
|
|
4061 #ifdef UNIX
|
|
|
4062 if (made_writable)
|
|
|
4063 perm &= ~0200; /* reset 'w' bit for security reasons */
|
|
|
4064 #endif
|
|
|
4065 if (perm >= 0) /* set perm. of new file same as old file */
|
|
|
4066 (void)mch_setperm(wfname, perm);
|
|
|
4067 #ifdef RISCOS
|
|
|
4068 if (!append && !filtering)
|
|
|
4069 /* Set the filetype after writing the file. */
|
|
|
4070 mch_set_filetype(wfname, buf->b_p_oft);
|
|
|
4071 #endif
|
|
|
4072 #ifdef HAVE_ACL
|
|
|
4073 /* Probably need to set the ACL before changing the user (can't set the
|
|
|
4074 * ACL on a file the user doesn't own). */
|
|
|
4075 if (!backup_copy)
|
|
|
4076 mch_set_acl(wfname, acl);
|
|
|
4077 #endif
|
|
|
4078
|
|
|
4079
|
|
|
4080 #if defined(FEAT_MBYTE) && defined(FEAT_EVAL)
|
|
|
4081 if (wfname != fname)
|
|
|
4082 {
|
|
|
4083 /*
|
|
|
4084 * The file was written to a temp file, now it needs to be converted
|
|
|
4085 * with 'charconvert' to (overwrite) the output file.
|
|
|
4086 */
|
|
|
4087 if (end != 0)
|
|
|
4088 {
|
|
|
4089 if (eval_charconvert(enc_utf8 ? (char_u *)"utf-8" : p_enc, fenc,
|
|
|
4090 wfname, fname) == FAIL)
|
|
|
4091 {
|
|
|
4092 write_info.bw_conv_error = TRUE;
|
|
|
4093 end = 0;
|
|
|
4094 }
|
|
|
4095 }
|
|
|
4096 mch_remove(wfname);
|
|
|
4097 vim_free(wfname);
|
|
|
4098 }
|
|
|
4099 #endif
|
|
|
4100
|
|
|
4101 if (end == 0)
|
|
|
4102 {
|
|
|
4103 if (errmsg == NULL)
|
|
|
4104 {
|
|
|
4105 #ifdef FEAT_MBYTE
|
|
|
4106 if (write_info.bw_conv_error)
|
|
26
|
4107 errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)");
|
|
7
|
4108 else
|
|
|
4109 #endif
|
|
|
4110 if (got_int)
|
|
|
4111 errmsg = (char_u *)_(e_interr);
|
|
|
4112 else
|
|
|
4113 errmsg = (char_u *)_("E514: write error (file system full?)");
|
|
|
4114 }
|
|
|
4115
|
|
|
4116 /*
|
|
|
4117 * If we have a backup file, try to put it in place of the new file,
|
|
|
4118 * because the new file is probably corrupt. This avoids loosing the
|
|
|
4119 * original file when trying to make a backup when writing the file a
|
|
|
4120 * second time.
|
|
|
4121 * When "backup_copy" is set we need to copy the backup over the new
|
|
|
4122 * file. Otherwise rename the backup file.
|
|
|
4123 * If this is OK, don't give the extra warning message.
|
|
|
4124 */
|
|
|
4125 if (backup != NULL)
|
|
|
4126 {
|
|
|
4127 if (backup_copy)
|
|
|
4128 {
|
|
|
4129 /* This may take a while, if we were interrupted let the user
|
|
|
4130 * know we got the message. */
|
|
|
4131 if (got_int)
|
|
|
4132 {
|
|
|
4133 MSG(_(e_interr));
|
|
|
4134 out_flush();
|
|
|
4135 }
|
|
|
4136 if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0)
|
|
|
4137 {
|
|
|
4138 if ((write_info.bw_fd = mch_open((char *)fname,
|
|
194
|
4139 O_WRONLY | O_CREAT | O_TRUNC | O_EXTRA,
|
|
|
4140 perm & 0777)) >= 0)
|
|
7
|
4141 {
|
|
|
4142 /* copy the file. */
|
|
|
4143 write_info.bw_buf = smallbuf;
|
|
|
4144 #ifdef HAS_BW_FLAGS
|
|
|
4145 write_info.bw_flags = FIO_NOCONVERT;
|
|
|
4146 #endif
|
|
|
4147 while ((write_info.bw_len = vim_read(fd, smallbuf,
|
|
|
4148 SMBUFSIZE)) > 0)
|
|
|
4149 if (buf_write_bytes(&write_info) == FAIL)
|
|
|
4150 break;
|
|
|
4151
|
|
|
4152 if (close(write_info.bw_fd) >= 0
|
|
|
4153 && write_info.bw_len == 0)
|
|
|
4154 end = 1; /* success */
|
|
|
4155 }
|
|
|
4156 close(fd); /* ignore errors for closing read file */
|
|
|
4157 }
|
|
|
4158 }
|
|
|
4159 else
|
|
|
4160 {
|
|
|
4161 if (vim_rename(backup, fname) == 0)
|
|
|
4162 end = 1;
|
|
|
4163 }
|
|
|
4164 }
|
|
|
4165 goto fail;
|
|
|
4166 }
|
|
|
4167
|
|
|
4168 lnum -= start; /* compute number of written lines */
|
|
|
4169 --no_wait_return; /* may wait for return now */
|
|
|
4170
|
|
|
4171 #if !(defined(UNIX) || defined(VMS))
|
|
|
4172 fname = sfname; /* use shortname now, for the messages */
|
|
|
4173 #endif
|
|
|
4174 if (!filtering)
|
|
|
4175 {
|
|
|
4176 msg_add_fname(buf, fname); /* put fname in IObuff with quotes */
|
|
|
4177 c = FALSE;
|
|
|
4178 #ifdef FEAT_MBYTE
|
|
|
4179 if (write_info.bw_conv_error)
|
|
|
4180 {
|
|
|
4181 STRCAT(IObuff, _(" CONVERSION ERROR"));
|
|
|
4182 c = TRUE;
|
|
|
4183 }
|
|
|
4184 else if (notconverted)
|
|
|
4185 {
|
|
|
4186 STRCAT(IObuff, _("[NOT converted]"));
|
|
|
4187 c = TRUE;
|
|
|
4188 }
|
|
|
4189 else if (converted)
|
|
|
4190 {
|
|
|
4191 STRCAT(IObuff, _("[converted]"));
|
|
|
4192 c = TRUE;
|
|
|
4193 }
|
|
|
4194 #endif
|
|
|
4195 if (device)
|
|
|
4196 {
|
|
|
4197 STRCAT(IObuff, _("[Device]"));
|
|
|
4198 c = TRUE;
|
|
|
4199 }
|
|
|
4200 else if (newfile)
|
|
|
4201 {
|
|
|
4202 STRCAT(IObuff, shortmess(SHM_NEW) ? _("[New]") : _("[New File]"));
|
|
|
4203 c = TRUE;
|
|
|
4204 }
|
|
|
4205 if (no_eol)
|
|
|
4206 {
|
|
|
4207 msg_add_eol();
|
|
|
4208 c = TRUE;
|
|
|
4209 }
|
|
|
4210 /* may add [unix/dos/mac] */
|
|
|
4211 if (msg_add_fileformat(fileformat))
|
|
|
4212 c = TRUE;
|
|
|
4213 #ifdef FEAT_CRYPT
|
|
|
4214 if (wb_flags & FIO_ENCRYPTED)
|
|
|
4215 {
|
|
|
4216 STRCAT(IObuff, _("[crypted]"));
|
|
|
4217 c = TRUE;
|
|
|
4218 }
|
|
|
4219 #endif
|
|
|
4220 msg_add_lines(c, (long)lnum, nchars); /* add line/char count */
|
|
|
4221 if (!shortmess(SHM_WRITE))
|
|
|
4222 {
|
|
|
4223 if (append)
|
|
|
4224 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [a]") : _(" appended"));
|
|
|
4225 else
|
|
|
4226 STRCAT(IObuff, shortmess(SHM_WRI) ? _(" [w]") : _(" written"));
|
|
|
4227 }
|
|
|
4228
|
|
|
4229 set_keep_msg(msg_trunc_attr(IObuff, FALSE, 0));
|
|
|
4230 keep_msg_attr = 0;
|
|
|
4231 }
|
|
|
4232
|
|
39
|
4233 /* When written everything correctly: reset 'modified'. Unless not
|
|
|
4234 * writing to the original file and '+' is not in 'cpoptions'. */
|
|
7
|
4235 if (reset_changed && whole
|
|
|
4236 #ifdef FEAT_MBYTE
|
|
|
4237 && !write_info.bw_conv_error
|
|
|
4238 #endif
|
|
39
|
4239 && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)
|
|
|
4240 )
|
|
7
|
4241 {
|
|
|
4242 unchanged(buf, TRUE);
|
|
|
4243 u_unchanged(buf);
|
|
|
4244 }
|
|
|
4245
|
|
|
4246 /*
|
|
|
4247 * If written to the current file, update the timestamp of the swap file
|
|
|
4248 * and reset the BF_WRITE_MASK flags. Also sets buf->b_mtime.
|
|
|
4249 */
|
|
|
4250 if (overwriting)
|
|
|
4251 {
|
|
|
4252 ml_timestamp(buf);
|
|
|
4253 buf->b_flags &= ~BF_WRITE_MASK;
|
|
|
4254 }
|
|
|
4255
|
|
|
4256 /*
|
|
|
4257 * If we kept a backup until now, and we are in patch mode, then we make
|
|
|
4258 * the backup file our 'original' file.
|
|
|
4259 */
|
|
|
4260 if (*p_pm && dobackup)
|
|
|
4261 {
|
|
|
4262 char *org = (char *)buf_modname(
|
|
|
4263 #ifdef SHORT_FNAME
|
|
|
4264 TRUE,
|
|
|
4265 #else
|
|
|
4266 (buf->b_p_sn || buf->b_shortname),
|
|
|
4267 #endif
|
|
|
4268 fname, p_pm, FALSE);
|
|
|
4269
|
|
|
4270 if (backup != NULL)
|
|
|
4271 {
|
|
|
4272 struct stat st;
|
|
|
4273
|
|
|
4274 /*
|
|
|
4275 * If the original file does not exist yet
|
|
|
4276 * the current backup file becomes the original file
|
|
|
4277 */
|
|
|
4278 if (org == NULL)
|
|
|
4279 EMSG(_("E205: Patchmode: can't save original file"));
|
|
|
4280 else if (mch_stat(org, &st) < 0)
|
|
|
4281 {
|
|
|
4282 vim_rename(backup, (char_u *)org);
|
|
|
4283 vim_free(backup); /* don't delete the file */
|
|
|
4284 backup = NULL;
|
|
|
4285 #ifdef UNIX
|
|
|
4286 set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime);
|
|
|
4287 #endif
|
|
|
4288 }
|
|
|
4289 }
|
|
|
4290 /*
|
|
|
4291 * If there is no backup file, remember that a (new) file was
|
|
|
4292 * created.
|
|
|
4293 */
|
|
|
4294 else
|
|
|
4295 {
|
|
|
4296 int empty_fd;
|
|
|
4297
|
|
|
4298 if (org == NULL
|
|
557
|
4299 || (empty_fd = mch_open(org,
|
|
|
4300 O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW,
|
|
216
|
4301 perm < 0 ? 0666 : (perm & 0777))) < 0)
|
|
7
|
4302 EMSG(_("E206: patchmode: can't touch empty original file"));
|
|
|
4303 else
|
|
|
4304 close(empty_fd);
|
|
|
4305 }
|
|
|
4306 if (org != NULL)
|
|
|
4307 {
|
|
|
4308 mch_setperm((char_u *)org, mch_getperm(fname) & 0777);
|
|
|
4309 vim_free(org);
|
|
|
4310 }
|
|
|
4311 }
|
|
|
4312
|
|
|
4313 /*
|
|
|
4314 * Remove the backup unless 'backup' option is set
|
|
|
4315 */
|
|
|
4316 if (!p_bk && backup != NULL && mch_remove(backup) != 0)
|
|
|
4317 EMSG(_("E207: Can't delete backup file"));
|
|
|
4318
|
|
|
4319 #ifdef FEAT_SUN_WORKSHOP
|
|
|
4320 if (usingSunWorkShop)
|
|
|
4321 workshop_file_saved((char *) ffname);
|
|
|
4322 #endif
|
|
|
4323
|
|
|
4324 goto nofail;
|
|
|
4325
|
|
|
4326 /*
|
|
|
4327 * Finish up. We get here either after failure or success.
|
|
|
4328 */
|
|
|
4329 fail:
|
|
|
4330 --no_wait_return; /* may wait for return now */
|
|
|
4331 nofail:
|
|
|
4332
|
|
|
4333 /* Done saving, we accept changed buffer warnings again */
|
|
|
4334 buf->b_saving = FALSE;
|
|
|
4335
|
|
|
4336 vim_free(backup);
|
|
|
4337 if (buffer != smallbuf)
|
|
|
4338 vim_free(buffer);
|
|
|
4339 #ifdef FEAT_MBYTE
|
|
|
4340 vim_free(fenc_tofree);
|
|
|
4341 vim_free(write_info.bw_conv_buf);
|
|
|
4342 # ifdef USE_ICONV
|
|
|
4343 if (write_info.bw_iconv_fd != (iconv_t)-1)
|
|
|
4344 {
|
|
|
4345 iconv_close(write_info.bw_iconv_fd);
|
|
|
4346 write_info.bw_iconv_fd = (iconv_t)-1;
|
|
|
4347 }
|
|
|
4348 # endif
|
|
|
4349 #endif
|
|
|
4350 #ifdef HAVE_ACL
|
|
|
4351 mch_free_acl(acl);
|
|
|
4352 #endif
|
|
|
4353
|
|
|
4354 if (errmsg != NULL)
|
|
|
4355 {
|
|
|
4356 int numlen = errnum != NULL ? STRLEN(errnum) : 0;
|
|
|
4357
|
|
|
4358 attr = hl_attr(HLF_E); /* set highlight for error messages */
|
|
|
4359 msg_add_fname(buf,
|
|
|
4360 #ifndef UNIX
|
|
|
4361 sfname
|
|
|
4362 #else
|
|
|
4363 fname
|
|
|
4364 #endif
|
|
|
4365 ); /* put file name in IObuff with quotes */
|
|
|
4366 if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE)
|
|
|
4367 IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL;
|
|
|
4368 /* If the error message has the form "is ...", put the error number in
|
|
|
4369 * front of the file name. */
|
|
|
4370 if (errnum != NULL)
|
|
|
4371 {
|
|
|
4372 mch_memmove(IObuff + numlen, IObuff, STRLEN(IObuff) + 1);
|
|
|
4373 mch_memmove(IObuff, errnum, (size_t)numlen);
|
|
|
4374 }
|
|
|
4375 STRCAT(IObuff, errmsg);
|
|
|
4376 emsg(IObuff);
|
|
|
4377
|
|
|
4378 retval = FAIL;
|
|
|
4379 if (end == 0)
|
|
|
4380 {
|
|
|
4381 MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"),
|
|
|
4382 attr | MSG_HIST);
|
|
|
4383 MSG_PUTS_ATTR(_("don't quit the editor until the file is successfully written!"),
|
|
|
4384 attr | MSG_HIST);
|
|
|
4385
|
|
|
4386 /* Update the timestamp to avoid an "overwrite changed file"
|
|
|
4387 * prompt when writing again. */
|
|
|
4388 if (mch_stat((char *)fname, &st_old) >= 0)
|
|
|
4389 {
|
|
|
4390 buf_store_time(buf, &st_old, fname);
|
|
|
4391 buf->b_mtime_read = buf->b_mtime;
|
|
|
4392 }
|
|
|
4393 }
|
|
|
4394 }
|
|
|
4395 msg_scroll = msg_save;
|
|
|
4396
|
|
|
4397 #ifdef FEAT_AUTOCMD
|
|
|
4398 #ifdef FEAT_EVAL
|
|
|
4399 if (!should_abort(retval))
|
|
|
4400 #else
|
|
|
4401 if (!got_int)
|
|
|
4402 #endif
|
|
|
4403 {
|
|
|
4404 aco_save_T aco;
|
|
|
4405
|
|
|
4406 write_no_eol_lnum = 0; /* in case it was set by the previous read */
|
|
|
4407
|
|
|
4408 /*
|
|
|
4409 * Apply POST autocommands.
|
|
|
4410 * Careful: The autocommands may call buf_write() recursively!
|
|
|
4411 */
|
|
|
4412 aucmd_prepbuf(&aco, buf);
|
|
|
4413
|
|
|
4414 if (append)
|
|
|
4415 apply_autocmds_exarg(EVENT_FILEAPPENDPOST, fname, fname,
|
|
|
4416 FALSE, curbuf, eap);
|
|
|
4417 else if (filtering)
|
|
|
4418 apply_autocmds_exarg(EVENT_FILTERWRITEPOST, NULL, fname,
|
|
|
4419 FALSE, curbuf, eap);
|
|
|
4420 else if (reset_changed && whole)
|
|
|
4421 apply_autocmds_exarg(EVENT_BUFWRITEPOST, fname, fname,
|
|
|
4422 FALSE, curbuf, eap);
|
|
|
4423 else
|
|
|
4424 apply_autocmds_exarg(EVENT_FILEWRITEPOST, fname, fname,
|
|
|
4425 FALSE, curbuf, eap);
|
|
|
4426
|
|
|
4427 /* restore curwin/curbuf and a few other things */
|
|
|
4428 aucmd_restbuf(&aco);
|
|
|
4429
|
|
|
4430 #ifdef FEAT_EVAL
|
|
|
4431 if (aborting()) /* autocmds may abort script processing */
|
|
|
4432 retval = FALSE;
|
|
|
4433 #endif
|
|
|
4434 }
|
|
|
4435 #endif
|
|
|
4436
|
|
|
4437 got_int |= prev_got_int;
|
|
|
4438
|
|
|
4439 #ifdef MACOS_CLASSIC /* TODO: Is it need for MACOS_X? (Dany) */
|
|
|
4440 /* Update machine specific information. */
|
|
|
4441 mch_post_buffer_write(buf);
|
|
|
4442 #endif
|
|
|
4443 return retval;
|
|
|
4444 }
|
|
|
4445
|
|
|
4446 /*
|
|
|
4447 * Put file name into IObuff with quotes.
|
|
|
4448 */
|
|
33
|
4449 void
|
|
7
|
4450 msg_add_fname(buf, fname)
|
|
|
4451 buf_T *buf;
|
|
|
4452 char_u *fname;
|
|
|
4453 {
|
|
|
4454 if (fname == NULL)
|
|
|
4455 fname = (char_u *)"-stdin-";
|
|
|
4456 home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE);
|
|
|
4457 IObuff[0] = '"';
|
|
|
4458 STRCAT(IObuff, "\" ");
|
|
|
4459 }
|
|
|
4460
|
|
|
4461 /*
|
|
|
4462 * Append message for text mode to IObuff.
|
|
|
4463 * Return TRUE if something appended.
|
|
|
4464 */
|
|
|
4465 static int
|
|
|
4466 msg_add_fileformat(eol_type)
|
|
|
4467 int eol_type;
|
|
|
4468 {
|
|
|
4469 #ifndef USE_CRNL
|
|
|
4470 if (eol_type == EOL_DOS)
|
|
|
4471 {
|
|
|
4472 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[dos]") : _("[dos format]"));
|
|
|
4473 return TRUE;
|
|
|
4474 }
|
|
|
4475 #endif
|
|
|
4476 #ifndef USE_CR
|
|
|
4477 if (eol_type == EOL_MAC)
|
|
|
4478 {
|
|
|
4479 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]"));
|
|
|
4480 return TRUE;
|
|
|
4481 }
|
|
|
4482 #endif
|
|
|
4483 #if defined(USE_CRNL) || defined(USE_CR)
|
|
|
4484 if (eol_type == EOL_UNIX)
|
|
|
4485 {
|
|
|
4486 STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]"));
|
|
|
4487 return TRUE;
|
|
|
4488 }
|
|
|
4489 #endif
|
|
|
4490 return FALSE;
|
|
|
4491 }
|
|
|
4492
|
|
|
4493 /*
|
|
|
4494 * Append line and character count to IObuff.
|
|
|
4495 */
|
|
33
|
4496 void
|
|
7
|
4497 msg_add_lines(insert_space, lnum, nchars)
|
|
|
4498 int insert_space;
|
|
|
4499 long lnum;
|
|
|
4500 long nchars;
|
|
|
4501 {
|
|
|
4502 char_u *p;
|
|
|
4503
|
|
|
4504 p = IObuff + STRLEN(IObuff);
|
|
|
4505
|
|
|
4506 if (insert_space)
|
|
|
4507 *p++ = ' ';
|
|
|
4508 if (shortmess(SHM_LINES))
|
|
|
4509 sprintf((char *)p, "%ldL, %ldC", lnum, nchars);
|
|
|
4510 else
|
|
|
4511 {
|
|
|
4512 if (lnum == 1)
|
|
|
4513 STRCPY(p, _("1 line, "));
|
|
|
4514 else
|
|
|
4515 sprintf((char *)p, _("%ld lines, "), lnum);
|
|
|
4516 p += STRLEN(p);
|
|
|
4517 if (nchars == 1)
|
|
|
4518 STRCPY(p, _("1 character"));
|
|
|
4519 else
|
|
|
4520 sprintf((char *)p, _("%ld characters"), nchars);
|
|
|
4521 }
|
|
|
4522 }
|
|
|
4523
|
|
|
4524 /*
|
|
|
4525 * Append message for missing line separator to IObuff.
|
|
|
4526 */
|
|
|
4527 static void
|
|
|
4528 msg_add_eol()
|
|
|
4529 {
|
|
|
4530 STRCAT(IObuff, shortmess(SHM_LAST) ? _("[noeol]") : _("[Incomplete last line]"));
|
|
|
4531 }
|
|
|
4532
|
|
|
4533 /*
|
|
|
4534 * Check modification time of file, before writing to it.
|
|
|
4535 * The size isn't checked, because using a tool like "gzip" takes care of
|
|
|
4536 * using the same timestamp but can't set the size.
|
|
|
4537 */
|
|
|
4538 static int
|
|
|
4539 check_mtime(buf, st)
|
|
|
4540 buf_T *buf;
|
|
|
4541 struct stat *st;
|
|
|
4542 {
|
|
|
4543 if (buf->b_mtime_read != 0
|
|
|
4544 && time_differs((long)st->st_mtime, buf->b_mtime_read))
|
|
|
4545 {
|
|
|
4546 msg_scroll = TRUE; /* don't overwrite messages here */
|
|
|
4547 msg_silent = 0; /* must give this prompt */
|
|
|
4548 /* don't use emsg() here, don't want to flush the buffers */
|
|
|
4549 MSG_ATTR(_("WARNING: The file has been changed since reading it!!!"),
|
|
|
4550 hl_attr(HLF_E));
|
|
|
4551 if (ask_yesno((char_u *)_("Do you really want to write to it"),
|
|
|
4552 TRUE) == 'n')
|
|
|
4553 return FAIL;
|
|
|
4554 msg_scroll = FALSE; /* always overwrite the file message now */
|
|
|
4555 }
|
|
|
4556 return OK;
|
|
|
4557 }
|
|
|
4558
|
|
|
4559 static int
|
|
|
4560 time_differs(t1, t2)
|
|
|
4561 long t1, t2;
|
|
|
4562 {
|
|
|
4563 #if defined(__linux__) || defined(MSDOS) || defined(MSWIN)
|
|
|
4564 /* On a FAT filesystem, esp. under Linux, there are only 5 bits to store
|
|
|
4565 * the seconds. Since the roundoff is done when flushing the inode, the
|
|
|
4566 * time may change unexpectedly by one second!!! */
|
|
|
4567 return (t1 - t2 > 1 || t2 - t1 > 1);
|
|
|
4568 #else
|
|
|
4569 return (t1 != t2);
|
|
|
4570 #endif
|
|
|
4571 }
|
|
|
4572
|
|
|
4573 /*
|
|
|
4574 * Call write() to write a number of bytes to the file.
|
|
|
4575 * Also handles encryption and 'encoding' conversion.
|
|
|
4576 *
|
|
|
4577 * Return FAIL for failure, OK otherwise.
|
|
|
4578 */
|
|
|
4579 static int
|
|
|
4580 buf_write_bytes(ip)
|
|
|
4581 struct bw_info *ip;
|
|
|
4582 {
|
|
|
4583 int wlen;
|
|
|
4584 char_u *buf = ip->bw_buf; /* data to write */
|
|
|
4585 int len = ip->bw_len; /* length of data */
|
|
|
4586 #ifdef HAS_BW_FLAGS
|
|
|
4587 int flags = ip->bw_flags; /* extra flags */
|
|
|
4588 #endif
|
|
|
4589
|
|
|
4590 #ifdef FEAT_MBYTE
|
|
|
4591 /*
|
|
|
4592 * Skip conversion when writing the crypt magic number or the BOM.
|
|
|
4593 */
|
|
|
4594 if (!(flags & FIO_NOCONVERT))
|
|
|
4595 {
|
|
|
4596 char_u *p;
|
|
|
4597 unsigned c;
|
|
|
4598 int n;
|
|
|
4599
|
|
|
4600 if (flags & FIO_UTF8)
|
|
|
4601 {
|
|
|
4602 /*
|
|
|
4603 * Convert latin1 in the buffer to UTF-8 in the file.
|
|
|
4604 */
|
|
|
4605 p = ip->bw_conv_buf; /* translate to buffer */
|
|
|
4606 for (wlen = 0; wlen < len; ++wlen)
|
|
|
4607 p += utf_char2bytes(buf[wlen], p);
|
|
|
4608 buf = ip->bw_conv_buf;
|
|
|
4609 len = (int)(p - ip->bw_conv_buf);
|
|
|
4610 }
|
|
|
4611 else if (flags & (FIO_UCS4 | FIO_UTF16 | FIO_UCS2 | FIO_LATIN1))
|
|
|
4612 {
|
|
|
4613 /*
|
|
|
4614 * Convert UTF-8 bytes in the buffer to UCS-2, UCS-4, UTF-16 or
|
|
|
4615 * Latin1 chars in the file.
|
|
|
4616 */
|
|
|
4617 if (flags & FIO_LATIN1)
|
|
|
4618 p = buf; /* translate in-place (can only get shorter) */
|
|
|
4619 else
|
|
|
4620 p = ip->bw_conv_buf; /* translate to buffer */
|
|
|
4621 for (wlen = 0; wlen < len; wlen += n)
|
|
|
4622 {
|
|
|
4623 if (wlen == 0 && ip->bw_restlen != 0)
|
|
|
4624 {
|
|
|
4625 int l;
|
|
|
4626
|
|
|
4627 /* Use remainder of previous call. Append the start of
|
|
|
4628 * buf[] to get a full sequence. Might still be too
|
|
|
4629 * short! */
|
|
|
4630 l = CONV_RESTLEN - ip->bw_restlen;
|
|
|
4631 if (l > len)
|
|
|
4632 l = len;
|
|
|
4633 mch_memmove(ip->bw_rest + ip->bw_restlen, buf, (size_t)l);
|
|
474
|
4634 n = utf_ptr2len_len(ip->bw_rest, ip->bw_restlen + l);
|
|
7
|
4635 if (n > ip->bw_restlen + len)
|
|
|
4636 {
|
|
|
4637 /* We have an incomplete byte sequence at the end to
|
|
|
4638 * be written. We can't convert it without the
|
|
|
4639 * remaining bytes. Keep them for the next call. */
|
|
|
4640 if (ip->bw_restlen + len > CONV_RESTLEN)
|
|
|
4641 return FAIL;
|
|
|
4642 ip->bw_restlen += len;
|
|
|
4643 break;
|
|
|
4644 }
|
|
|
4645 if (n > 1)
|
|
|
4646 c = utf_ptr2char(ip->bw_rest);
|
|
|
4647 else
|
|
|
4648 c = ip->bw_rest[0];
|
|
|
4649 if (n >= ip->bw_restlen)
|
|
|
4650 {
|
|
|
4651 n -= ip->bw_restlen;
|
|
|
4652 ip->bw_restlen = 0;
|
|
|
4653 }
|
|
|
4654 else
|
|
|
4655 {
|
|
|
4656 ip->bw_restlen -= n;
|
|
|
4657 mch_memmove(ip->bw_rest, ip->bw_rest + n,
|
|
|
4658 (size_t)ip->bw_restlen);
|
|
|
4659 n = 0;
|
|
|
4660 }
|
|
|
4661 }
|
|
|
4662 else
|
|
|
4663 {
|
|
474
|
4664 n = utf_ptr2len_len(buf + wlen, len - wlen);
|
|
7
|
4665 if (n > len - wlen)
|
|
|
4666 {
|
|
|
4667 /* We have an incomplete byte sequence at the end to
|
|
|
4668 * be written. We can't convert it without the
|
|
|
4669 * remaining bytes. Keep them for the next call. */
|
|
|
4670 if (len - wlen > CONV_RESTLEN)
|
|
|
4671 return FAIL;
|
|
|
4672 ip->bw_restlen = len - wlen;
|
|
|
4673 mch_memmove(ip->bw_rest, buf + wlen,
|
|
|
4674 (size_t)ip->bw_restlen);
|
|
|
4675 break;
|
|
|
4676 }
|
|
|
4677 if (n > 1)
|
|
|
4678 c = utf_ptr2char(buf + wlen);
|
|
|
4679 else
|
|
|
4680 c = buf[wlen];
|
|
|
4681 }
|
|
|
4682
|
|
|
4683 ip->bw_conv_error |= ucs2bytes(c, &p, flags);
|
|
|
4684 }
|
|
|
4685 if (flags & FIO_LATIN1)
|
|
|
4686 len = (int)(p - buf);
|
|
|
4687 else
|
|
|
4688 {
|
|
|
4689 buf = ip->bw_conv_buf;
|
|
|
4690 len = (int)(p - ip->bw_conv_buf);
|
|
|
4691 }
|
|
|
4692 }
|
|
|
4693
|
|
|
4694 # ifdef WIN3264
|
|
|
4695 else if (flags & FIO_CODEPAGE)
|
|
|
4696 {
|
|
|
4697 /*
|
|
|
4698 * Convert UTF-8 or codepage to UCS-2 and then to MS-Windows
|
|
|
4699 * codepage.
|
|
|
4700 */
|
|
|
4701 char_u *from;
|
|
|
4702 size_t fromlen;
|
|
|
4703 char_u *to;
|
|
|
4704 int u8c;
|
|
|
4705 BOOL bad = FALSE;
|
|
|
4706 int needed;
|
|
|
4707
|
|
|
4708 if (ip->bw_restlen > 0)
|
|
|
4709 {
|
|
|
4710 /* Need to concatenate the remainder of the previous call and
|
|
|
4711 * the bytes of the current call. Use the end of the
|
|
|
4712 * conversion buffer for this. */
|
|
|
4713 fromlen = len + ip->bw_restlen;
|
|
|
4714 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4715 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4716 mch_memmove(from + ip->bw_restlen, buf, (size_t)len);
|
|
|
4717 }
|
|
|
4718 else
|
|
|
4719 {
|
|
|
4720 from = buf;
|
|
|
4721 fromlen = len;
|
|
|
4722 }
|
|
|
4723
|
|
|
4724 to = ip->bw_conv_buf;
|
|
|
4725 if (enc_utf8)
|
|
|
4726 {
|
|
|
4727 /* Convert from UTF-8 to UCS-2, to the start of the buffer.
|
|
|
4728 * The buffer has been allocated to be big enough. */
|
|
|
4729 while (fromlen > 0)
|
|
|
4730 {
|
|
474
|
4731 n = utf_ptr2len_len(from, fromlen);
|
|
7
|
4732 if (n > (int)fromlen) /* incomplete byte sequence */
|
|
|
4733 break;
|
|
|
4734 u8c = utf_ptr2char(from);
|
|
|
4735 *to++ = (u8c & 0xff);
|
|
|
4736 *to++ = (u8c >> 8);
|
|
|
4737 fromlen -= n;
|
|
|
4738 from += n;
|
|
|
4739 }
|
|
|
4740
|
|
|
4741 /* Copy remainder to ip->bw_rest[] to be used for the next
|
|
|
4742 * call. */
|
|
|
4743 if (fromlen > CONV_RESTLEN)
|
|
|
4744 {
|
|
|
4745 /* weird overlong sequence */
|
|
|
4746 ip->bw_conv_error = TRUE;
|
|
|
4747 return FAIL;
|
|
|
4748 }
|
|
|
4749 mch_memmove(ip->bw_rest, from, fromlen);
|
|
|
4750 ip->bw_restlen = fromlen;
|
|
|
4751 }
|
|
|
4752 else
|
|
|
4753 {
|
|
|
4754 /* Convert from enc_codepage to UCS-2, to the start of the
|
|
|
4755 * buffer. The buffer has been allocated to be big enough. */
|
|
|
4756 ip->bw_restlen = 0;
|
|
|
4757 needed = MultiByteToWideChar(enc_codepage,
|
|
|
4758 MB_ERR_INVALID_CHARS, (LPCSTR)from, fromlen,
|
|
|
4759 NULL, 0);
|
|
|
4760 if (needed == 0)
|
|
|
4761 {
|
|
|
4762 /* When conversion fails there may be a trailing byte. */
|
|
|
4763 needed = MultiByteToWideChar(enc_codepage,
|
|
|
4764 MB_ERR_INVALID_CHARS, (LPCSTR)from, fromlen - 1,
|
|
|
4765 NULL, 0);
|
|
|
4766 if (needed == 0)
|
|
|
4767 {
|
|
|
4768 /* Conversion doesn't work. */
|
|
|
4769 ip->bw_conv_error = TRUE;
|
|
|
4770 return FAIL;
|
|
|
4771 }
|
|
|
4772 /* Save the trailing byte for the next call. */
|
|
|
4773 ip->bw_rest[0] = from[fromlen - 1];
|
|
|
4774 ip->bw_restlen = 1;
|
|
|
4775 }
|
|
|
4776 needed = MultiByteToWideChar(enc_codepage, MB_ERR_INVALID_CHARS,
|
|
|
4777 (LPCSTR)from, fromlen - ip->bw_restlen,
|
|
|
4778 (LPWSTR)to, needed);
|
|
|
4779 if (needed == 0)
|
|
|
4780 {
|
|
|
4781 /* Safety check: Conversion doesn't work. */
|
|
|
4782 ip->bw_conv_error = TRUE;
|
|
|
4783 return FAIL;
|
|
|
4784 }
|
|
|
4785 to += needed * 2;
|
|
|
4786 }
|
|
|
4787
|
|
|
4788 fromlen = to - ip->bw_conv_buf;
|
|
|
4789 buf = to;
|
|
|
4790 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
4791 if (FIO_GET_CP(flags) == CP_UTF8)
|
|
|
4792 {
|
|
|
4793 /* Convert from UCS-2 to UTF-8, using the remainder of the
|
|
|
4794 * conversion buffer. Fails when out of space. */
|
|
|
4795 for (from = ip->bw_conv_buf; fromlen > 1; fromlen -= 2)
|
|
|
4796 {
|
|
|
4797 u8c = *from++;
|
|
|
4798 u8c += (*from++ << 8);
|
|
|
4799 to += utf_char2bytes(u8c, to);
|
|
|
4800 if (to + 6 >= ip->bw_conv_buf + ip->bw_conv_buflen)
|
|
|
4801 {
|
|
|
4802 ip->bw_conv_error = TRUE;
|
|
|
4803 return FAIL;
|
|
|
4804 }
|
|
|
4805 }
|
|
|
4806 len = to - buf;
|
|
|
4807 }
|
|
|
4808 else
|
|
|
4809 #endif
|
|
|
4810 {
|
|
|
4811 /* Convert from UCS-2 to the codepage, using the remainder of
|
|
|
4812 * the conversion buffer. If the conversion uses the default
|
|
|
4813 * character "0", the data doesn't fit in this encoding, so
|
|
|
4814 * fail. */
|
|
|
4815 len = WideCharToMultiByte(FIO_GET_CP(flags), 0,
|
|
|
4816 (LPCWSTR)ip->bw_conv_buf, (int)fromlen / sizeof(WCHAR),
|
|
|
4817 (LPSTR)to, ip->bw_conv_buflen - fromlen, 0, &bad);
|
|
|
4818 if (bad)
|
|
|
4819 {
|
|
|
4820 ip->bw_conv_error = TRUE;
|
|
|
4821 return FAIL;
|
|
|
4822 }
|
|
|
4823 }
|
|
|
4824 }
|
|
|
4825 # endif
|
|
|
4826
|
|
|
4827 # ifdef MACOS_X
|
|
|
4828 else if (flags & FIO_MACROMAN)
|
|
|
4829 {
|
|
|
4830 /*
|
|
|
4831 * Convert UTF-8 or latin1 to Apple MacRoman.
|
|
|
4832 */
|
|
|
4833 char_u *from;
|
|
|
4834 size_t fromlen;
|
|
|
4835
|
|
|
4836 if (ip->bw_restlen > 0)
|
|
|
4837 {
|
|
|
4838 /* Need to concatenate the remainder of the previous call and
|
|
|
4839 * the bytes of the current call. Use the end of the
|
|
|
4840 * conversion buffer for this. */
|
|
|
4841 fromlen = len + ip->bw_restlen;
|
|
|
4842 from = ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4843 mch_memmove(from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4844 mch_memmove(from + ip->bw_restlen, buf, (size_t)len);
|
|
|
4845 }
|
|
|
4846 else
|
|
|
4847 {
|
|
|
4848 from = buf;
|
|
|
4849 fromlen = len;
|
|
|
4850 }
|
|
|
4851
|
|
18
|
4852 if (enc2macroman(from, fromlen,
|
|
|
4853 ip->bw_conv_buf, &len, ip->bw_conv_buflen,
|
|
|
4854 ip->bw_rest, &ip->bw_restlen) == FAIL)
|
|
7
|
4855 {
|
|
|
4856 ip->bw_conv_error = TRUE;
|
|
|
4857 return FAIL;
|
|
|
4858 }
|
|
|
4859 buf = ip->bw_conv_buf;
|
|
|
4860 }
|
|
|
4861 # endif
|
|
|
4862
|
|
|
4863 # ifdef USE_ICONV
|
|
|
4864 if (ip->bw_iconv_fd != (iconv_t)-1)
|
|
|
4865 {
|
|
|
4866 const char *from;
|
|
|
4867 size_t fromlen;
|
|
|
4868 char *to;
|
|
|
4869 size_t tolen;
|
|
|
4870
|
|
|
4871 /* Convert with iconv(). */
|
|
|
4872 if (ip->bw_restlen > 0)
|
|
|
4873 {
|
|
|
4874 /* Need to concatenate the remainder of the previous call and
|
|
|
4875 * the bytes of the current call. Use the end of the
|
|
|
4876 * conversion buffer for this. */
|
|
|
4877 fromlen = len + ip->bw_restlen;
|
|
|
4878 from = (char *)ip->bw_conv_buf + ip->bw_conv_buflen - fromlen;
|
|
|
4879 mch_memmove((void *)from, ip->bw_rest, (size_t)ip->bw_restlen);
|
|
|
4880 mch_memmove((void *)(from + ip->bw_restlen), buf, (size_t)len);
|
|
|
4881 tolen = ip->bw_conv_buflen - fromlen;
|
|
|
4882 }
|
|
|
4883 else
|
|
|
4884 {
|
|
|
4885 from = (const char *)buf;
|
|
|
4886 fromlen = len;
|
|
|
4887 tolen = ip->bw_conv_buflen;
|
|
|
4888 }
|
|
|
4889 to = (char *)ip->bw_conv_buf;
|
|
|
4890
|
|
|
4891 if (ip->bw_first)
|
|
|
4892 {
|
|
|
4893 size_t save_len = tolen;
|
|
|
4894
|
|
|
4895 /* output the initial shift state sequence */
|
|
|
4896 (void)iconv(ip->bw_iconv_fd, NULL, NULL, &to, &tolen);
|
|
|
4897
|
|
|
4898 /* There is a bug in iconv() on Linux (which appears to be
|
|
|
4899 * wide-spread) which sets "to" to NULL and messes up "tolen".
|
|
|
4900 */
|
|
|
4901 if (to == NULL)
|
|
|
4902 {
|
|
|
4903 to = (char *)ip->bw_conv_buf;
|
|
|
4904 tolen = save_len;
|
|
|
4905 }
|
|
|
4906 ip->bw_first = FALSE;
|
|
|
4907 }
|
|
|
4908
|
|
|
4909 /*
|
|
|
4910 * If iconv() has an error or there is not enough room, fail.
|
|
|
4911 */
|
|
|
4912 if ((iconv(ip->bw_iconv_fd, (void *)&from, &fromlen, &to, &tolen)
|
|
|
4913 == (size_t)-1 && ICONV_ERRNO != ICONV_EINVAL)
|
|
|
4914 || fromlen > CONV_RESTLEN)
|
|
|
4915 {
|
|
|
4916 ip->bw_conv_error = TRUE;
|
|
|
4917 return FAIL;
|
|
|
4918 }
|
|
|
4919
|
|
|
4920 /* copy remainder to ip->bw_rest[] to be used for the next call. */
|
|
|
4921 if (fromlen > 0)
|
|
|
4922 mch_memmove(ip->bw_rest, (void *)from, fromlen);
|
|
|
4923 ip->bw_restlen = (int)fromlen;
|
|
|
4924
|
|
|
4925 buf = ip->bw_conv_buf;
|
|
|
4926 len = (int)((char_u *)to - ip->bw_conv_buf);
|
|
|
4927 }
|
|
|
4928 # endif
|
|
|
4929 }
|
|
|
4930 #endif /* FEAT_MBYTE */
|
|
|
4931
|
|
|
4932 #ifdef FEAT_CRYPT
|
|
|
4933 if (flags & FIO_ENCRYPTED) /* encrypt the data */
|
|
|
4934 {
|
|
|
4935 int ztemp, t, i;
|
|
|
4936
|
|
|
4937 for (i = 0; i < len; i++)
|
|
|
4938 {
|
|
|
4939 ztemp = buf[i];
|
|
|
4940 buf[i] = ZENCODE(ztemp, t);
|
|
|
4941 }
|
|
|
4942 }
|
|
|
4943 #endif
|
|
|
4944
|
|
|
4945 /* Repeat the write(), it may be interrupted by a signal. */
|
|
|
4946 while (len)
|
|
|
4947 {
|
|
|
4948 wlen = vim_write(ip->bw_fd, buf, len);
|
|
|
4949 if (wlen <= 0) /* error! */
|
|
|
4950 return FAIL;
|
|
|
4951 len -= wlen;
|
|
|
4952 buf += wlen;
|
|
|
4953 }
|
|
|
4954 return OK;
|
|
|
4955 }
|
|
|
4956
|
|
|
4957 #ifdef FEAT_MBYTE
|
|
|
4958 /*
|
|
|
4959 * Convert a Unicode character to bytes.
|
|
|
4960 */
|
|
|
4961 static int
|
|
|
4962 ucs2bytes(c, pp, flags)
|
|
|
4963 unsigned c; /* in: character */
|
|
|
4964 char_u **pp; /* in/out: pointer to result */
|
|
|
4965 int flags; /* FIO_ flags */
|
|
|
4966 {
|
|
|
4967 char_u *p = *pp;
|
|
|
4968 int error = FALSE;
|
|
|
4969 int cc;
|
|
|
4970
|
|
|
4971
|
|
|
4972 if (flags & FIO_UCS4)
|
|
|
4973 {
|
|
|
4974 if (flags & FIO_ENDIAN_L)
|
|
|
4975 {
|
|
|
4976 *p++ = c;
|
|
|
4977 *p++ = (c >> 8);
|
|
|
4978 *p++ = (c >> 16);
|
|
|
4979 *p++ = (c >> 24);
|
|
|
4980 }
|
|
|
4981 else
|
|
|
4982 {
|
|
|
4983 *p++ = (c >> 24);
|
|
|
4984 *p++ = (c >> 16);
|
|
|
4985 *p++ = (c >> 8);
|
|
|
4986 *p++ = c;
|
|
|
4987 }
|
|
|
4988 }
|
|
|
4989 else if (flags & (FIO_UCS2 | FIO_UTF16))
|
|
|
4990 {
|
|
|
4991 if (c >= 0x10000)
|
|
|
4992 {
|
|
|
4993 if (flags & FIO_UTF16)
|
|
|
4994 {
|
|
|
4995 /* Make two words, ten bits of the character in each. First
|
|
|
4996 * word is 0xd800 - 0xdbff, second one 0xdc00 - 0xdfff */
|
|
|
4997 c -= 0x10000;
|
|
|
4998 if (c >= 0x100000)
|
|
|
4999 error = TRUE;
|
|
|
5000 cc = ((c >> 10) & 0x3ff) + 0xd800;
|
|
|
5001 if (flags & FIO_ENDIAN_L)
|
|
|
5002 {
|
|
|
5003 *p++ = cc;
|
|
|
5004 *p++ = ((unsigned)cc >> 8);
|
|
|
5005 }
|
|
|
5006 else
|
|
|
5007 {
|
|
|
5008 *p++ = ((unsigned)cc >> 8);
|
|
|
5009 *p++ = cc;
|
|
|
5010 }
|
|
|
5011 c = (c & 0x3ff) + 0xdc00;
|
|
|
5012 }
|
|
|
5013 else
|
|
|
5014 error = TRUE;
|
|
|
5015 }
|
|
|
5016 if (flags & FIO_ENDIAN_L)
|
|
|
5017 {
|
|
|
5018 *p++ = c;
|
|
|
5019 *p++ = (c >> 8);
|
|
|
5020 }
|
|
|
5021 else
|
|
|
5022 {
|
|
|
5023 *p++ = (c >> 8);
|
|
|
5024 *p++ = c;
|
|
|
5025 }
|
|
|
5026 }
|
|
|
5027 else /* Latin1 */
|
|
|
5028 {
|
|
|
5029 if (c >= 0x100)
|
|
|
5030 {
|
|
|
5031 error = TRUE;
|
|
|
5032 *p++ = 0xBF;
|
|
|
5033 }
|
|
|
5034 else
|
|
|
5035 *p++ = c;
|
|
|
5036 }
|
|
|
5037
|
|
|
5038 *pp = p;
|
|
|
5039 return error;
|
|
|
5040 }
|
|
|
5041
|
|
|
5042 /*
|
|
|
5043 * Return TRUE if "a" and "b" are the same 'encoding'.
|
|
|
5044 * Ignores difference between "ansi" and "latin1", "ucs-4" and "ucs-4be", etc.
|
|
|
5045 */
|
|
|
5046 static int
|
|
|
5047 same_encoding(a, b)
|
|
|
5048 char_u *a;
|
|
|
5049 char_u *b;
|
|
|
5050 {
|
|
|
5051 int f;
|
|
|
5052
|
|
|
5053 if (STRCMP(a, b) == 0)
|
|
|
5054 return TRUE;
|
|
|
5055 f = get_fio_flags(a);
|
|
|
5056 return (f != 0 && get_fio_flags(b) == f);
|
|
|
5057 }
|
|
|
5058
|
|
|
5059 /*
|
|
|
5060 * Check "ptr" for a unicode encoding and return the FIO_ flags needed for the
|
|
|
5061 * internal conversion.
|
|
|
5062 * if "ptr" is an empty string, use 'encoding'.
|
|
|
5063 */
|
|
|
5064 static int
|
|
|
5065 get_fio_flags(ptr)
|
|
|
5066 char_u *ptr;
|
|
|
5067 {
|
|
|
5068 int prop;
|
|
|
5069
|
|
|
5070 if (*ptr == NUL)
|
|
|
5071 ptr = p_enc;
|
|
|
5072
|
|
|
5073 prop = enc_canon_props(ptr);
|
|
|
5074 if (prop & ENC_UNICODE)
|
|
|
5075 {
|
|
|
5076 if (prop & ENC_2BYTE)
|
|
|
5077 {
|
|
|
5078 if (prop & ENC_ENDIAN_L)
|
|
|
5079 return FIO_UCS2 | FIO_ENDIAN_L;
|
|
|
5080 return FIO_UCS2;
|
|
|
5081 }
|
|
|
5082 if (prop & ENC_4BYTE)
|
|
|
5083 {
|
|
|
5084 if (prop & ENC_ENDIAN_L)
|
|
|
5085 return FIO_UCS4 | FIO_ENDIAN_L;
|
|
|
5086 return FIO_UCS4;
|
|
|
5087 }
|
|
|
5088 if (prop & ENC_2WORD)
|
|
|
5089 {
|
|
|
5090 if (prop & ENC_ENDIAN_L)
|
|
|
5091 return FIO_UTF16 | FIO_ENDIAN_L;
|
|
|
5092 return FIO_UTF16;
|
|
|
5093 }
|
|
|
5094 return FIO_UTF8;
|
|
|
5095 }
|
|
|
5096 if (prop & ENC_LATIN1)
|
|
|
5097 return FIO_LATIN1;
|
|
|
5098 /* must be ENC_DBCS, requires iconv() */
|
|
|
5099 return 0;
|
|
|
5100 }
|
|
|
5101
|
|
|
5102 #ifdef WIN3264
|
|
|
5103 /*
|
|
|
5104 * Check "ptr" for a MS-Windows codepage name and return the FIO_ flags needed
|
|
|
5105 * for the conversion MS-Windows can do for us. Also accept "utf-8".
|
|
|
5106 * Used for conversion between 'encoding' and 'fileencoding'.
|
|
|
5107 */
|
|
|
5108 static int
|
|
|
5109 get_win_fio_flags(ptr)
|
|
|
5110 char_u *ptr;
|
|
|
5111 {
|
|
|
5112 int cp;
|
|
|
5113
|
|
|
5114 /* Cannot do this when 'encoding' is not utf-8 and not a codepage. */
|
|
|
5115 if (!enc_utf8 && enc_codepage <= 0)
|
|
|
5116 return 0;
|
|
|
5117
|
|
|
5118 cp = encname2codepage(ptr);
|
|
|
5119 if (cp == 0)
|
|
|
5120 {
|
|
|
5121 # ifdef CP_UTF8 /* VC 4.1 doesn't define CP_UTF8 */
|
|
|
5122 if (STRCMP(ptr, "utf-8") == 0)
|
|
|
5123 cp = CP_UTF8;
|
|
|
5124 else
|
|
|
5125 # endif
|
|
|
5126 return 0;
|
|
|
5127 }
|
|
|
5128 return FIO_PUT_CP(cp) | FIO_CODEPAGE;
|
|
|
5129 }
|
|
|
5130 #endif
|
|
|
5131
|
|
|
5132 #ifdef MACOS_X
|
|
|
5133 /*
|
|
|
5134 * Check "ptr" for a Carbon supported encoding and return the FIO_ flags
|
|
|
5135 * needed for the internal conversion to/from utf-8 or latin1.
|
|
|
5136 */
|
|
|
5137 static int
|
|
|
5138 get_mac_fio_flags(ptr)
|
|
|
5139 char_u *ptr;
|
|
|
5140 {
|
|
|
5141 if ((enc_utf8 || STRCMP(p_enc, "latin1") == 0)
|
|
|
5142 && (enc_canon_props(ptr) & ENC_MACROMAN))
|
|
|
5143 return FIO_MACROMAN;
|
|
|
5144 return 0;
|
|
|
5145 }
|
|
|
5146 #endif
|
|
|
5147
|
|
|
5148 /*
|
|
|
5149 * Check for a Unicode BOM (Byte Order Mark) at the start of p[size].
|
|
|
5150 * "size" must be at least 2.
|
|
|
5151 * Return the name of the encoding and set "*lenp" to the length.
|
|
|
5152 * Returns NULL when no BOM found.
|
|
|
5153 */
|
|
|
5154 static char_u *
|
|
|
5155 check_for_bom(p, size, lenp, flags)
|
|
|
5156 char_u *p;
|
|
|
5157 long size;
|
|
|
5158 int *lenp;
|
|
|
5159 int flags;
|
|
|
5160 {
|
|
|
5161 char *name = NULL;
|
|
|
5162 int len = 2;
|
|
|
5163
|
|
|
5164 if (p[0] == 0xef && p[1] == 0xbb && size >= 3 && p[2] == 0xbf
|
|
|
5165 && (flags == FIO_ALL || flags == 0))
|
|
|
5166 {
|
|
|
5167 name = "utf-8"; /* EF BB BF */
|
|
|
5168 len = 3;
|
|
|
5169 }
|
|
|
5170 else if (p[0] == 0xff && p[1] == 0xfe)
|
|
|
5171 {
|
|
|
5172 if (size >= 4 && p[2] == 0 && p[3] == 0
|
|
|
5173 && (flags == FIO_ALL || flags == (FIO_UCS4 | FIO_ENDIAN_L)))
|
|
|
5174 {
|
|
|
5175 name = "ucs-4le"; /* FF FE 00 00 */
|
|
|
5176 len = 4;
|
|
|
5177 }
|
|
|
5178 else if (flags == FIO_ALL || flags == (FIO_UCS2 | FIO_ENDIAN_L))
|
|
|
5179 name = "ucs-2le"; /* FF FE */
|
|
|
5180 else if (flags == (FIO_UTF16 | FIO_ENDIAN_L))
|
|
|
5181 name = "utf-16le"; /* FF FE */
|
|
|
5182 }
|
|
|
5183 else if (p[0] == 0xfe && p[1] == 0xff
|
|
|
5184 && (flags == FIO_ALL || flags == FIO_UCS2 || flags == FIO_UTF16))
|
|
|
5185 {
|
|
|
5186 if (flags == FIO_UTF16)
|
|
|
5187 name = "utf-16"; /* FE FF */
|
|
|
5188 else
|
|
|
5189 name = "ucs-2"; /* FE FF */
|
|
|
5190 }
|
|
|
5191 else if (size >= 4 && p[0] == 0 && p[1] == 0 && p[2] == 0xfe
|
|
|
5192 && p[3] == 0xff && (flags == FIO_ALL || flags == FIO_UCS4))
|
|
|
5193 {
|
|
|
5194 name = "ucs-4"; /* 00 00 FE FF */
|
|
|
5195 len = 4;
|
|
|
5196 }
|
|
|
5197
|
|
|
5198 *lenp = len;
|
|
|
5199 return (char_u *)name;
|
|
|
5200 }
|
|
|
5201
|
|
|
5202 /*
|
|
|
5203 * Generate a BOM in "buf[4]" for encoding "name".
|
|
|
5204 * Return the length of the BOM (zero when no BOM).
|
|
|
5205 */
|
|
|
5206 static int
|
|
|
5207 make_bom(buf, name)
|
|
|
5208 char_u *buf;
|
|
|
5209 char_u *name;
|
|
|
5210 {
|
|
|
5211 int flags;
|
|
|
5212 char_u *p;
|
|
|
5213
|
|
|
5214 flags = get_fio_flags(name);
|
|
|
5215
|
|
|
5216 /* Can't put a BOM in a non-Unicode file. */
|
|
|
5217 if (flags == FIO_LATIN1 || flags == 0)
|
|
|
5218 return 0;
|
|
|
5219
|
|
|
5220 if (flags == FIO_UTF8) /* UTF-8 */
|
|
|
5221 {
|
|
|
5222 buf[0] = 0xef;
|
|
|
5223 buf[1] = 0xbb;
|
|
|
5224 buf[2] = 0xbf;
|
|
|
5225 return 3;
|
|
|
5226 }
|
|
|
5227 p = buf;
|
|
|
5228 (void)ucs2bytes(0xfeff, &p, flags);
|
|
|
5229 return (int)(p - buf);
|
|
|
5230 }
|
|
|
5231 #endif
|
|
|
5232
|
|
|
5233 /*
|
|
|
5234 * Try to find a shortname by comparing the fullname with the current
|
|
|
5235 * directory.
|
|
|
5236 * Returns NULL if not shorter name possible, pointer into "full_path"
|
|
|
5237 * otherwise.
|
|
|
5238 */
|
|
|
5239 char_u *
|
|
|
5240 shorten_fname(full_path, dir_name)
|
|
|
5241 char_u *full_path;
|
|
|
5242 char_u *dir_name;
|
|
|
5243 {
|
|
|
5244 int len;
|
|
|
5245 char_u *p;
|
|
|
5246
|
|
|
5247 if (full_path == NULL)
|
|
|
5248 return NULL;
|
|
|
5249 len = (int)STRLEN(dir_name);
|
|
|
5250 if (fnamencmp(dir_name, full_path, len) == 0)
|
|
|
5251 {
|
|
|
5252 p = full_path + len;
|
|
|
5253 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|
|
|
5254 /*
|
|
|
5255 * MSDOS: when a file is in the root directory, dir_name will end in a
|
|
|
5256 * slash, since C: by itself does not define a specific dir. In this
|
|
|
5257 * case p may already be correct. <negri>
|
|
|
5258 */
|
|
|
5259 if (!((len > 2) && (*(p - 2) == ':')))
|
|
|
5260 #endif
|
|
|
5261 {
|
|
|
5262 if (vim_ispathsep(*p))
|
|
|
5263 ++p;
|
|
|
5264 #ifndef VMS /* the path separator is always part of the path */
|
|
|
5265 else
|
|
|
5266 p = NULL;
|
|
|
5267 #endif
|
|
|
5268 }
|
|
|
5269 }
|
|
|
5270 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
|
|
|
5271 /*
|
|
|
5272 * When using a file in the current drive, remove the drive name:
|
|
|
5273 * "A:\dir\file" -> "\dir\file". This helps when moving a session file on
|
|
|
5274 * a floppy from "A:\dir" to "B:\dir".
|
|
|
5275 */
|
|
|
5276 else if (len > 3
|
|
|
5277 && TOUPPER_LOC(full_path[0]) == TOUPPER_LOC(dir_name[0])
|
|
|
5278 && full_path[1] == ':'
|
|
|
5279 && vim_ispathsep(full_path[2]))
|
|
|
5280 p = full_path + 2;
|
|
|
5281 #endif
|
|
|
5282 else
|
|
|
5283 p = NULL;
|
|
|
5284 return p;
|
|
|
5285 }
|
|
|
5286
|
|
|
5287 /*
|
|
|
5288 * Shorten filenames for all buffers.
|
|
|
5289 * When "force" is TRUE: Use full path from now on for files currently being
|
|
|
5290 * edited, both for file name and swap file name. Try to shorten the file
|
|
|
5291 * names a bit, if safe to do so.
|
|
|
5292 * When "force" is FALSE: Only try to shorten absolute file names.
|
|
|
5293 * For buffers that have buftype "nofile" or "scratch": never change the file
|
|
|
5294 * name.
|
|
|
5295 */
|
|
|
5296 void
|
|
|
5297 shorten_fnames(force)
|
|
|
5298 int force;
|
|
|
5299 {
|
|
|
5300 char_u dirname[MAXPATHL];
|
|
|
5301 buf_T *buf;
|
|
|
5302 char_u *p;
|
|
|
5303
|
|
|
5304 mch_dirname(dirname, MAXPATHL);
|
|
|
5305 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
5306 {
|
|
|
5307 if (buf->b_fname != NULL
|
|
|
5308 #ifdef FEAT_QUICKFIX
|
|
|
5309 && !bt_nofile(buf)
|
|
|
5310 #endif
|
|
|
5311 && !path_with_url(buf->b_fname)
|
|
|
5312 && (force
|
|
|
5313 || buf->b_sfname == NULL
|
|
|
5314 || mch_isFullName(buf->b_sfname)))
|
|
|
5315 {
|
|
|
5316 vim_free(buf->b_sfname);
|
|
|
5317 buf->b_sfname = NULL;
|
|
|
5318 p = shorten_fname(buf->b_ffname, dirname);
|
|
|
5319 if (p != NULL)
|
|
|
5320 {
|
|
|
5321 buf->b_sfname = vim_strsave(p);
|
|
|
5322 buf->b_fname = buf->b_sfname;
|
|
|
5323 }
|
|
|
5324 if (p == NULL || buf->b_fname == NULL)
|
|
|
5325 buf->b_fname = buf->b_ffname;
|
|
9
|
5326 }
|
|
|
5327
|
|
|
5328 /* Always make the swap file name a full path, a "nofile" buffer may
|
|
|
5329 * also have a swap file. */
|
|
|
5330 mf_fullname(buf->b_ml.ml_mfp);
|
|
7
|
5331 }
|
|
|
5332 #ifdef FEAT_WINDOWS
|
|
|
5333 status_redraw_all();
|
|
|
5334 #endif
|
|
|
5335 }
|
|
|
5336
|
|
|
5337 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
|
|
|
5338 || defined(FEAT_GUI_MSWIN) \
|
|
|
5339 || defined(FEAT_GUI_MAC) \
|
|
|
5340 || defined(PROTO)
|
|
|
5341 /*
|
|
|
5342 * Shorten all filenames in "fnames[count]" by current directory.
|
|
|
5343 */
|
|
|
5344 void
|
|
|
5345 shorten_filenames(fnames, count)
|
|
|
5346 char_u **fnames;
|
|
|
5347 int count;
|
|
|
5348 {
|
|
|
5349 int i;
|
|
|
5350 char_u dirname[MAXPATHL];
|
|
|
5351 char_u *p;
|
|
|
5352
|
|
|
5353 if (fnames == NULL || count < 1)
|
|
|
5354 return;
|
|
|
5355 mch_dirname(dirname, sizeof(dirname));
|
|
|
5356 for (i = 0; i < count; ++i)
|
|
|
5357 {
|
|
|
5358 if ((p = shorten_fname(fnames[i], dirname)) != NULL)
|
|
|
5359 {
|
|
|
5360 /* shorten_fname() returns pointer in given "fnames[i]". If free
|
|
|
5361 * "fnames[i]" first, "p" becomes invalid. So we need to copy
|
|
|
5362 * "p" first then free fnames[i]. */
|
|
|
5363 p = vim_strsave(p);
|
|
|
5364 vim_free(fnames[i]);
|
|
|
5365 fnames[i] = p;
|
|
|
5366 }
|
|
|
5367 }
|
|
|
5368 }
|
|
|
5369 #endif
|
|
|
5370
|
|
|
5371 /*
|
|
|
5372 * add extention to file name - change path/fo.o.h to path/fo.o.h.ext or
|
|
|
5373 * fo_o_h.ext for MSDOS or when shortname option set.
|
|
|
5374 *
|
|
|
5375 * Assumed that fname is a valid name found in the filesystem we assure that
|
|
|
5376 * the return value is a different name and ends in 'ext'.
|
|
|
5377 * "ext" MUST be at most 4 characters long if it starts with a dot, 3
|
|
|
5378 * characters otherwise.
|
|
|
5379 * Space for the returned name is allocated, must be freed later.
|
|
|
5380 * Returns NULL when out of memory.
|
|
|
5381 */
|
|
|
5382 char_u *
|
|
|
5383 modname(fname, ext, prepend_dot)
|
|
|
5384 char_u *fname, *ext;
|
|
|
5385 int prepend_dot; /* may prepend a '.' to file name */
|
|
|
5386 {
|
|
|
5387 return buf_modname(
|
|
|
5388 #ifdef SHORT_FNAME
|
|
|
5389 TRUE,
|
|
|
5390 #else
|
|
|
5391 (curbuf->b_p_sn || curbuf->b_shortname),
|
|
|
5392 #endif
|
|
|
5393 fname, ext, prepend_dot);
|
|
|
5394 }
|
|
|
5395
|
|
|
5396 char_u *
|
|
|
5397 buf_modname(shortname, fname, ext, prepend_dot)
|
|
|
5398 int shortname; /* use 8.3 file name */
|
|
|
5399 char_u *fname, *ext;
|
|
|
5400 int prepend_dot; /* may prepend a '.' to file name */
|
|
|
5401 {
|
|
|
5402 char_u *retval;
|
|
|
5403 char_u *s;
|
|
|
5404 char_u *e;
|
|
|
5405 char_u *ptr;
|
|
|
5406 int fnamelen, extlen;
|
|
|
5407
|
|
|
5408 extlen = (int)STRLEN(ext);
|
|
|
5409
|
|
|
5410 /*
|
|
|
5411 * If there is no file name we must get the name of the current directory
|
|
|
5412 * (we need the full path in case :cd is used).
|
|
|
5413 */
|
|
|
5414 if (fname == NULL || *fname == NUL)
|
|
|
5415 {
|
|
|
5416 retval = alloc((unsigned)(MAXPATHL + extlen + 3));
|
|
|
5417 if (retval == NULL)
|
|
|
5418 return NULL;
|
|
|
5419 if (mch_dirname(retval, MAXPATHL) == FAIL ||
|
|
|
5420 (fnamelen = (int)STRLEN(retval)) == 0)
|
|
|
5421 {
|
|
|
5422 vim_free(retval);
|
|
|
5423 return NULL;
|
|
|
5424 }
|
|
39
|
5425 if (!after_pathsep(retval, retval + fnamelen))
|
|
7
|
5426 {
|
|
|
5427 retval[fnamelen++] = PATHSEP;
|
|
|
5428 retval[fnamelen] = NUL;
|
|
|
5429 }
|
|
|
5430 #ifndef SHORT_FNAME
|
|
|
5431 prepend_dot = FALSE; /* nothing to prepend a dot to */
|
|
|
5432 #endif
|
|
|
5433 }
|
|
|
5434 else
|
|
|
5435 {
|
|
|
5436 fnamelen = (int)STRLEN(fname);
|
|
|
5437 retval = alloc((unsigned)(fnamelen + extlen + 3));
|
|
|
5438 if (retval == NULL)
|
|
|
5439 return NULL;
|
|
|
5440 STRCPY(retval, fname);
|
|
|
5441 #ifdef VMS
|
|
|
5442 vms_remove_version(retval); /* we do not need versions here */
|
|
|
5443 #endif
|
|
|
5444 }
|
|
|
5445
|
|
|
5446 /*
|
|
|
5447 * search backwards until we hit a '/', '\' or ':' replacing all '.'
|
|
|
5448 * by '_' for MSDOS or when shortname option set and ext starts with a dot.
|
|
|
5449 * Then truncate what is after the '/', '\' or ':' to 8 characters for
|
|
|
5450 * MSDOS and 26 characters for AMIGA, a lot more for UNIX.
|
|
|
5451 */
|
|
391
|
5452 for (ptr = retval + fnamelen; ptr > retval; mb_ptr_back(retval, ptr))
|
|
7
|
5453 {
|
|
|
5454 #ifndef RISCOS
|
|
|
5455 if (*ext == '.'
|
|
391
|
5456 # ifdef USE_LONG_FNAME
|
|
7
|
5457 && (!USE_LONG_FNAME || shortname)
|
|
391
|
5458 # else
|
|
|
5459 # ifndef SHORT_FNAME
|
|
7
|
5460 && shortname
|
|
391
|
5461 # endif
|
|
7
|
5462 # endif
|
|
|
5463 )
|
|
|
5464 if (*ptr == '.') /* replace '.' by '_' */
|
|
|
5465 *ptr = '_';
|
|
391
|
5466 #endif
|
|
7
|
5467 if (vim_ispathsep(*ptr))
|
|
391
|
5468 {
|
|
|
5469 ++ptr;
|
|
7
|
5470 break;
|
|
391
|
5471 }
|
|
|
5472 }
|
|
7
|
5473
|
|
|
5474 /* the file name has at most BASENAMELEN characters. */
|
|
|
5475 #ifndef SHORT_FNAME
|
|
|
5476 if (STRLEN(ptr) > (unsigned)BASENAMELEN)
|
|
|
5477 ptr[BASENAMELEN] = '\0';
|
|
|
5478 #endif
|
|
|
5479
|
|
|
5480 s = ptr + STRLEN(ptr);
|
|
|
5481
|
|
|
5482 /*
|
|
|
5483 * For 8.3 file names we may have to reduce the length.
|
|
|
5484 */
|
|
|
5485 #ifdef USE_LONG_FNAME
|
|
|
5486 if (!USE_LONG_FNAME || shortname)
|
|
|
5487 #else
|
|
|
5488 # ifndef SHORT_FNAME
|
|
|
5489 if (shortname)
|
|
|
5490 # endif
|
|
|
5491 #endif
|
|
|
5492 {
|
|
|
5493 /*
|
|
|
5494 * If there is no file name, or the file name ends in '/', and the
|
|
|
5495 * extension starts with '.', put a '_' before the dot, because just
|
|
|
5496 * ".ext" is invalid.
|
|
|
5497 */
|
|
|
5498 if (fname == NULL || *fname == NUL
|
|
|
5499 || vim_ispathsep(fname[STRLEN(fname) - 1]))
|
|
|
5500 {
|
|
|
5501 #ifdef RISCOS
|
|
|
5502 if (*ext == '/')
|
|
|
5503 #else
|
|
|
5504 if (*ext == '.')
|
|
|
5505 #endif
|
|
|
5506 *s++ = '_';
|
|
|
5507 }
|
|
|
5508 /*
|
|
|
5509 * If the extension starts with '.', truncate the base name at 8
|
|
|
5510 * characters
|
|
|
5511 */
|
|
|
5512 #ifdef RISCOS
|
|
|
5513 /* We normally use '/', but swap files are '_' */
|
|
|
5514 else if (*ext == '/' || *ext == '_')
|
|
|
5515 #else
|
|
|
5516 else if (*ext == '.')
|
|
|
5517 #endif
|
|
|
5518 {
|
|
|
5519 if (s - ptr > (size_t)8)
|
|
|
5520 {
|
|
|
5521 s = ptr + 8;
|
|
|
5522 *s = '\0';
|
|
|
5523 }
|
|
|
5524 }
|
|
|
5525 /*
|
|
|
5526 * If the extension doesn't start with '.', and the file name
|
|
|
5527 * doesn't have an extension yet, append a '.'
|
|
|
5528 */
|
|
|
5529 #ifdef RISCOS
|
|
|
5530 else if ((e = vim_strchr(ptr, '/')) == NULL)
|
|
|
5531 *s++ = '/';
|
|
|
5532 #else
|
|
|
5533 else if ((e = vim_strchr(ptr, '.')) == NULL)
|
|
|
5534 *s++ = '.';
|
|
|
5535 #endif
|
|
|
5536 /*
|
|
|
5537 * If the extension doesn't start with '.', and there already is an
|
|
|
5538 * extension, it may need to be tructated
|
|
|
5539 */
|
|
|
5540 else if ((int)STRLEN(e) + extlen > 4)
|
|
|
5541 s = e + 4 - extlen;
|
|
|
5542 }
|
|
|
5543 #if defined(OS2) || defined(USE_LONG_FNAME) || defined(WIN3264)
|
|
|
5544 /*
|
|
|
5545 * If there is no file name, and the extension starts with '.', put a
|
|
|
5546 * '_' before the dot, because just ".ext" may be invalid if it's on a
|
|
|
5547 * FAT partition, and on HPFS it doesn't matter.
|
|
|
5548 */
|
|
|
5549 else if ((fname == NULL || *fname == NUL) && *ext == '.')
|
|
|
5550 *s++ = '_';
|
|
|
5551 #endif
|
|
|
5552
|
|
|
5553 /*
|
|
|
5554 * Append the extention.
|
|
|
5555 * ext can start with '.' and cannot exceed 3 more characters.
|
|
|
5556 */
|
|
|
5557 STRCPY(s, ext);
|
|
|
5558
|
|
|
5559 #ifndef SHORT_FNAME
|
|
|
5560 /*
|
|
|
5561 * Prepend the dot.
|
|
|
5562 */
|
|
|
5563 if (prepend_dot && !shortname && *(e = gettail(retval)) !=
|
|
|
5564 #ifdef RISCOS
|
|
|
5565 '/'
|
|
|
5566 #else
|
|
|
5567 '.'
|
|
|
5568 #endif
|
|
|
5569 #ifdef USE_LONG_FNAME
|
|
|
5570 && USE_LONG_FNAME
|
|
|
5571 #endif
|
|
|
5572 )
|
|
|
5573 {
|
|
|
5574 mch_memmove(e + 1, e, STRLEN(e) + 1);
|
|
|
5575 #ifdef RISCOS
|
|
|
5576 *e = '/';
|
|
|
5577 #else
|
|
|
5578 *e = '.';
|
|
|
5579 #endif
|
|
|
5580 }
|
|
|
5581 #endif
|
|
|
5582
|
|
|
5583 /*
|
|
|
5584 * Check that, after appending the extension, the file name is really
|
|
|
5585 * different.
|
|
|
5586 */
|
|
|
5587 if (fname != NULL && STRCMP(fname, retval) == 0)
|
|
|
5588 {
|
|
|
5589 /* we search for a character that can be replaced by '_' */
|
|
|
5590 while (--s >= ptr)
|
|
|
5591 {
|
|
|
5592 if (*s != '_')
|
|
|
5593 {
|
|
|
5594 *s = '_';
|
|
|
5595 break;
|
|
|
5596 }
|
|
|
5597 }
|
|
|
5598 if (s < ptr) /* fname was "________.<ext>", how tricky! */
|
|
|
5599 *ptr = 'v';
|
|
|
5600 }
|
|
|
5601 return retval;
|
|
|
5602 }
|
|
|
5603
|
|
|
5604 /*
|
|
|
5605 * Like fgets(), but if the file line is too long, it is truncated and the
|
|
|
5606 * rest of the line is thrown away. Returns TRUE for end-of-file.
|
|
|
5607 */
|
|
|
5608 int
|
|
|
5609 vim_fgets(buf, size, fp)
|
|
|
5610 char_u *buf;
|
|
|
5611 int size;
|
|
|
5612 FILE *fp;
|
|
|
5613 {
|
|
|
5614 char *eof;
|
|
|
5615 #define FGETS_SIZE 200
|
|
|
5616 char tbuf[FGETS_SIZE];
|
|
|
5617
|
|
|
5618 buf[size - 2] = NUL;
|
|
|
5619 #ifdef USE_CR
|
|
|
5620 eof = fgets_cr((char *)buf, size, fp);
|
|
|
5621 #else
|
|
|
5622 eof = fgets((char *)buf, size, fp);
|
|
|
5623 #endif
|
|
|
5624 if (buf[size - 2] != NUL && buf[size - 2] != '\n')
|
|
|
5625 {
|
|
|
5626 buf[size - 1] = NUL; /* Truncate the line */
|
|
|
5627
|
|
|
5628 /* Now throw away the rest of the line: */
|
|
|
5629 do
|
|
|
5630 {
|
|
|
5631 tbuf[FGETS_SIZE - 2] = NUL;
|
|
|
5632 #ifdef USE_CR
|
|
|
5633 fgets_cr((char *)tbuf, FGETS_SIZE, fp);
|
|
|
5634 #else
|
|
|
5635 fgets((char *)tbuf, FGETS_SIZE, fp);
|
|
|
5636 #endif
|
|
|
5637 } while (tbuf[FGETS_SIZE - 2] != NUL && tbuf[FGETS_SIZE - 2] != '\n');
|
|
|
5638 }
|
|
|
5639 return (eof == NULL);
|
|
|
5640 }
|
|
|
5641
|
|
|
5642 #if defined(USE_CR) || defined(PROTO)
|
|
|
5643 /*
|
|
|
5644 * Like vim_fgets(), but accept any line terminator: CR, CR-LF or LF.
|
|
|
5645 * Returns TRUE for end-of-file.
|
|
|
5646 * Only used for the Mac, because it's much slower than vim_fgets().
|
|
|
5647 */
|
|
|
5648 int
|
|
|
5649 tag_fgets(buf, size, fp)
|
|
|
5650 char_u *buf;
|
|
|
5651 int size;
|
|
|
5652 FILE *fp;
|
|
|
5653 {
|
|
|
5654 int i = 0;
|
|
|
5655 int c;
|
|
|
5656 int eof = FALSE;
|
|
|
5657
|
|
|
5658 for (;;)
|
|
|
5659 {
|
|
|
5660 c = fgetc(fp);
|
|
|
5661 if (c == EOF)
|
|
|
5662 {
|
|
|
5663 eof = TRUE;
|
|
|
5664 break;
|
|
|
5665 }
|
|
|
5666 if (c == '\r')
|
|
|
5667 {
|
|
|
5668 /* Always store a NL for end-of-line. */
|
|
|
5669 if (i < size - 1)
|
|
|
5670 buf[i++] = '\n';
|
|
|
5671 c = fgetc(fp);
|
|
|
5672 if (c != '\n') /* Macintosh format: single CR. */
|
|
|
5673 ungetc(c, fp);
|
|
|
5674 break;
|
|
|
5675 }
|
|
|
5676 if (i < size - 1)
|
|
|
5677 buf[i++] = c;
|
|
|
5678 if (c == '\n')
|
|
|
5679 break;
|
|
|
5680 }
|
|
|
5681 buf[i] = NUL;
|
|
|
5682 return eof;
|
|
|
5683 }
|
|
|
5684 #endif
|
|
|
5685
|
|
|
5686 /*
|
|
|
5687 * rename() only works if both files are on the same file system, this
|
|
|
5688 * function will (attempts to?) copy the file across if rename fails -- webb
|
|
|
5689 * Return -1 for failure, 0 for success.
|
|
|
5690 */
|
|
|
5691 int
|
|
|
5692 vim_rename(from, to)
|
|
|
5693 char_u *from;
|
|
|
5694 char_u *to;
|
|
|
5695 {
|
|
|
5696 int fd_in;
|
|
|
5697 int fd_out;
|
|
|
5698 int n;
|
|
|
5699 char *errmsg = NULL;
|
|
|
5700 char *buffer;
|
|
|
5701 #ifdef AMIGA
|
|
|
5702 BPTR flock;
|
|
|
5703 #endif
|
|
|
5704 struct stat st;
|
|
194
|
5705 long perm;
|
|
199
|
5706 #ifdef HAVE_ACL
|
|
|
5707 vim_acl_T acl; /* ACL from original file */
|
|
|
5708 #endif
|
|
7
|
5709
|
|
|
5710 /*
|
|
|
5711 * When the names are identical, there is nothing to do.
|
|
|
5712 */
|
|
|
5713 if (fnamecmp(from, to) == 0)
|
|
|
5714 return 0;
|
|
|
5715
|
|
|
5716 /*
|
|
|
5717 * Fail if the "from" file doesn't exist. Avoids that "to" is deleted.
|
|
|
5718 */
|
|
|
5719 if (mch_stat((char *)from, &st) < 0)
|
|
|
5720 return -1;
|
|
|
5721
|
|
|
5722 /*
|
|
|
5723 * Delete the "to" file, this is required on some systems to make the
|
|
|
5724 * mch_rename() work, on other systems it makes sure that we don't have
|
|
|
5725 * two files when the mch_rename() fails.
|
|
|
5726 */
|
|
|
5727
|
|
|
5728 #ifdef AMIGA
|
|
|
5729 /*
|
|
|
5730 * With MSDOS-compatible filesystems (crossdos, messydos) it is possible
|
|
|
5731 * that the name of the "to" file is the same as the "from" file, even
|
|
|
5732 * though the names are different. To avoid the chance of accidently
|
|
|
5733 * deleting the "from" file (horror!) we lock it during the remove.
|
|
|
5734 *
|
|
|
5735 * When used for making a backup before writing the file: This should not
|
|
|
5736 * happen with ":w", because startscript() should detect this problem and
|
|
|
5737 * set buf->b_shortname, causing modname() to return a correct ".bak" file
|
|
|
5738 * name. This problem does exist with ":w filename", but then the
|
|
|
5739 * original file will be somewhere else so the backup isn't really
|
|
|
5740 * important. If autoscripting is off the rename may fail.
|
|
|
5741 */
|
|
|
5742 flock = Lock((UBYTE *)from, (long)ACCESS_READ);
|
|
|
5743 #endif
|
|
|
5744 mch_remove(to);
|
|
|
5745 #ifdef AMIGA
|
|
|
5746 if (flock)
|
|
|
5747 UnLock(flock);
|
|
|
5748 #endif
|
|
|
5749
|
|
|
5750 /*
|
|
|
5751 * First try a normal rename, return if it works.
|
|
|
5752 */
|
|
|
5753 if (mch_rename((char *)from, (char *)to) == 0)
|
|
|
5754 return 0;
|
|
|
5755
|
|
|
5756 /*
|
|
|
5757 * Rename() failed, try copying the file.
|
|
|
5758 */
|
|
194
|
5759 perm = mch_getperm(from);
|
|
199
|
5760 #ifdef HAVE_ACL
|
|
|
5761 /* For systems that support ACL: get the ACL from the original file. */
|
|
|
5762 acl = mch_get_acl(from);
|
|
|
5763 #endif
|
|
7
|
5764 fd_in = mch_open((char *)from, O_RDONLY|O_EXTRA, 0);
|
|
|
5765 if (fd_in == -1)
|
|
|
5766 return -1;
|
|
194
|
5767
|
|
|
5768 /* Create the new file with same permissions as the original. */
|
|
557
|
5769 fd_out = mch_open((char *)to,
|
|
|
5770 O_CREAT|O_EXCL|O_WRONLY|O_EXTRA|O_NOFOLLOW, (int)perm);
|
|
7
|
5771 if (fd_out == -1)
|
|
|
5772 {
|
|
|
5773 close(fd_in);
|
|
|
5774 return -1;
|
|
|
5775 }
|
|
|
5776
|
|
|
5777 buffer = (char *)alloc(BUFSIZE);
|
|
|
5778 if (buffer == NULL)
|
|
|
5779 {
|
|
|
5780 close(fd_in);
|
|
|
5781 close(fd_out);
|
|
|
5782 return -1;
|
|
|
5783 }
|
|
|
5784
|
|
|
5785 while ((n = vim_read(fd_in, buffer, BUFSIZE)) > 0)
|
|
|
5786 if (vim_write(fd_out, buffer, n) != n)
|
|
|
5787 {
|
|
|
5788 errmsg = _("E208: Error writing to \"%s\"");
|
|
|
5789 break;
|
|
|
5790 }
|
|
|
5791
|
|
|
5792 vim_free(buffer);
|
|
|
5793 close(fd_in);
|
|
|
5794 if (close(fd_out) < 0)
|
|
|
5795 errmsg = _("E209: Error closing \"%s\"");
|
|
|
5796 if (n < 0)
|
|
|
5797 {
|
|
|
5798 errmsg = _("E210: Error reading \"%s\"");
|
|
|
5799 to = from;
|
|
|
5800 }
|
|
194
|
5801 mch_setperm(to, perm);
|
|
199
|
5802 #ifdef HAVE_ACL
|
|
|
5803 mch_set_acl(to, acl);
|
|
|
5804 #endif
|
|
7
|
5805 if (errmsg != NULL)
|
|
|
5806 {
|
|
|
5807 EMSG2(errmsg, to);
|
|
|
5808 return -1;
|
|
|
5809 }
|
|
|
5810 mch_remove(from);
|
|
|
5811 return 0;
|
|
|
5812 }
|
|
|
5813
|
|
|
5814 static int already_warned = FALSE;
|
|
|
5815
|
|
|
5816 /*
|
|
|
5817 * Check if any not hidden buffer has been changed.
|
|
|
5818 * Postpone the check if there are characters in the stuff buffer, a global
|
|
|
5819 * command is being executed, a mapping is being executed or an autocommand is
|
|
|
5820 * busy.
|
|
|
5821 * Returns TRUE if some message was written (screen should be redrawn and
|
|
|
5822 * cursor positioned).
|
|
|
5823 */
|
|
|
5824 int
|
|
|
5825 check_timestamps(focus)
|
|
|
5826 int focus; /* called for GUI focus event */
|
|
|
5827 {
|
|
|
5828 buf_T *buf;
|
|
|
5829 int didit = 0;
|
|
|
5830 int n;
|
|
|
5831
|
|
|
5832 /* Don't check timestamps while system() or another low-level function may
|
|
|
5833 * cause us to lose and gain focus. */
|
|
|
5834 if (no_check_timestamps > 0)
|
|
|
5835 return FALSE;
|
|
|
5836
|
|
|
5837 /* Avoid doing a check twice. The OK/Reload dialog can cause a focus
|
|
|
5838 * event and we would keep on checking if the file is steadily growing.
|
|
|
5839 * Do check again after typing something. */
|
|
|
5840 if (focus && did_check_timestamps)
|
|
|
5841 {
|
|
|
5842 need_check_timestamps = TRUE;
|
|
|
5843 return FALSE;
|
|
|
5844 }
|
|
|
5845
|
|
|
5846 if (!stuff_empty() || global_busy || !typebuf_typed()
|
|
|
5847 #ifdef FEAT_AUTOCMD
|
|
|
5848 || autocmd_busy
|
|
|
5849 #endif
|
|
|
5850 )
|
|
|
5851 need_check_timestamps = TRUE; /* check later */
|
|
|
5852 else
|
|
|
5853 {
|
|
|
5854 ++no_wait_return;
|
|
|
5855 did_check_timestamps = TRUE;
|
|
|
5856 already_warned = FALSE;
|
|
|
5857 for (buf = firstbuf; buf != NULL; )
|
|
|
5858 {
|
|
|
5859 /* Only check buffers in a window. */
|
|
|
5860 if (buf->b_nwindows > 0)
|
|
|
5861 {
|
|
|
5862 n = buf_check_timestamp(buf, focus);
|
|
|
5863 if (didit < n)
|
|
|
5864 didit = n;
|
|
|
5865 if (n > 0 && !buf_valid(buf))
|
|
|
5866 {
|
|
|
5867 /* Autocommands have removed the buffer, start at the
|
|
|
5868 * first one again. */
|
|
|
5869 buf = firstbuf;
|
|
|
5870 continue;
|
|
|
5871 }
|
|
|
5872 }
|
|
|
5873 buf = buf->b_next;
|
|
|
5874 }
|
|
|
5875 --no_wait_return;
|
|
|
5876 need_check_timestamps = FALSE;
|
|
|
5877 if (need_wait_return && didit == 2)
|
|
|
5878 {
|
|
|
5879 /* make sure msg isn't overwritten */
|
|
|
5880 msg_puts((char_u *)"\n");
|
|
|
5881 out_flush();
|
|
|
5882 }
|
|
|
5883 }
|
|
|
5884 return didit;
|
|
|
5885 }
|
|
|
5886
|
|
|
5887 /*
|
|
|
5888 * Move all the lines from buffer "frombuf" to buffer "tobuf".
|
|
|
5889 * Return OK or FAIL. When FAIL "tobuf" is incomplete and/or "frombuf" is not
|
|
|
5890 * empty.
|
|
|
5891 */
|
|
|
5892 static int
|
|
|
5893 move_lines(frombuf, tobuf)
|
|
|
5894 buf_T *frombuf;
|
|
|
5895 buf_T *tobuf;
|
|
|
5896 {
|
|
|
5897 buf_T *tbuf = curbuf;
|
|
|
5898 int retval = OK;
|
|
|
5899 linenr_T lnum;
|
|
|
5900 char_u *p;
|
|
|
5901
|
|
|
5902 /* Copy the lines in "frombuf" to "tobuf". */
|
|
|
5903 curbuf = tobuf;
|
|
|
5904 for (lnum = 1; lnum <= frombuf->b_ml.ml_line_count; ++lnum)
|
|
|
5905 {
|
|
|
5906 p = vim_strsave(ml_get_buf(frombuf, lnum, FALSE));
|
|
|
5907 if (p == NULL || ml_append(lnum - 1, p, 0, FALSE) == FAIL)
|
|
|
5908 {
|
|
|
5909 vim_free(p);
|
|
|
5910 retval = FAIL;
|
|
|
5911 break;
|
|
|
5912 }
|
|
|
5913 vim_free(p);
|
|
|
5914 }
|
|
|
5915
|
|
|
5916 /* Delete all the lines in "frombuf". */
|
|
|
5917 if (retval != FAIL)
|
|
|
5918 {
|
|
|
5919 curbuf = frombuf;
|
|
|
5920 while (!bufempty())
|
|
|
5921 if (ml_delete(curbuf->b_ml.ml_line_count, FALSE) == FAIL)
|
|
|
5922 {
|
|
|
5923 /* Oops! We could try putting back the saved lines, but that
|
|
|
5924 * might fail again... */
|
|
|
5925 retval = FAIL;
|
|
|
5926 break;
|
|
|
5927 }
|
|
|
5928 }
|
|
|
5929
|
|
|
5930 curbuf = tbuf;
|
|
|
5931 return retval;
|
|
|
5932 }
|
|
|
5933
|
|
|
5934 /*
|
|
|
5935 * Check if buffer "buf" has been changed.
|
|
|
5936 * Also check if the file for a new buffer unexpectedly appeared.
|
|
|
5937 * return 1 if a changed buffer was found.
|
|
|
5938 * return 2 if a message has been displayed.
|
|
|
5939 * return 0 otherwise.
|
|
|
5940 */
|
|
|
5941 /*ARGSUSED*/
|
|
|
5942 int
|
|
|
5943 buf_check_timestamp(buf, focus)
|
|
|
5944 buf_T *buf;
|
|
|
5945 int focus; /* called for GUI focus event */
|
|
|
5946 {
|
|
|
5947 struct stat st;
|
|
|
5948 int stat_res;
|
|
|
5949 int retval = 0;
|
|
|
5950 char_u *path;
|
|
|
5951 char_u *tbuf;
|
|
|
5952 char *mesg = NULL;
|
|
188
|
5953 char *mesg2 = "";
|
|
7
|
5954 int helpmesg = FALSE;
|
|
|
5955 int reload = FALSE;
|
|
|
5956 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
5957 int can_reload = FALSE;
|
|
|
5958 #endif
|
|
|
5959 size_t orig_size = buf->b_orig_size;
|
|
|
5960 int orig_mode = buf->b_orig_mode;
|
|
|
5961 #ifdef FEAT_GUI
|
|
|
5962 int save_mouse_correct = need_mouse_correct;
|
|
|
5963 #endif
|
|
|
5964 #ifdef FEAT_AUTOCMD
|
|
|
5965 static int busy = FALSE;
|
|
179
|
5966 int n;
|
|
|
5967 char_u *s;
|
|
|
5968 #endif
|
|
|
5969 char *reason;
|
|
7
|
5970
|
|
|
5971 /* If there is no file name, the buffer is not loaded, 'buftype' is
|
|
|
5972 * set, we are in the middle of a save or being called recursively: ignore
|
|
|
5973 * this buffer. */
|
|
|
5974 if (buf->b_ffname == NULL
|
|
|
5975 || buf->b_ml.ml_mfp == NULL
|
|
|
5976 #if defined(FEAT_QUICKFIX)
|
|
|
5977 || *buf->b_p_bt != NUL
|
|
|
5978 #endif
|
|
|
5979 || buf->b_saving
|
|
|
5980 #ifdef FEAT_AUTOCMD
|
|
|
5981 || busy
|
|
|
5982 #endif
|
|
33
|
5983 #ifdef FEAT_NETBEANS_INTG
|
|
|
5984 || isNetbeansBuffer(buf)
|
|
|
5985 #endif
|
|
7
|
5986 )
|
|
|
5987 return 0;
|
|
|
5988
|
|
|
5989 if ( !(buf->b_flags & BF_NOTEDITED)
|
|
|
5990 && buf->b_mtime != 0
|
|
|
5991 && ((stat_res = mch_stat((char *)buf->b_ffname, &st)) < 0
|
|
|
5992 || time_differs((long)st.st_mtime, buf->b_mtime)
|
|
|
5993 #ifdef HAVE_ST_MODE
|
|
|
5994 || (int)st.st_mode != buf->b_orig_mode
|
|
|
5995 #else
|
|
|
5996 || mch_getperm(buf->b_ffname) != buf->b_orig_mode
|
|
|
5997 #endif
|
|
|
5998 ))
|
|
|
5999 {
|
|
|
6000 retval = 1;
|
|
|
6001
|
|
|
6002 /* set b_mtime to stop further warnings */
|
|
|
6003 if (stat_res < 0)
|
|
|
6004 {
|
|
|
6005 buf->b_mtime = 0;
|
|
|
6006 buf->b_orig_size = 0;
|
|
|
6007 buf->b_orig_mode = 0;
|
|
|
6008 }
|
|
|
6009 else
|
|
|
6010 buf_store_time(buf, &st, buf->b_ffname);
|
|
|
6011
|
|
|
6012 /* Don't do anything for a directory. Might contain the file
|
|
|
6013 * explorer. */
|
|
|
6014 if (mch_isdir(buf->b_fname))
|
|
|
6015 ;
|
|
|
6016
|
|
|
6017 /*
|
|
|
6018 * If 'autoread' is set, the buffer has no changes and the file still
|
|
|
6019 * exists, reload the buffer. Use the buffer-local option value if it
|
|
|
6020 * was set, the global option value otherwise.
|
|
|
6021 */
|
|
|
6022 else if ((buf->b_p_ar >= 0 ? buf->b_p_ar : p_ar)
|
|
|
6023 && !bufIsChanged(buf) && stat_res >= 0)
|
|
|
6024 reload = TRUE;
|
|
|
6025 else
|
|
|
6026 {
|
|
179
|
6027 if (stat_res < 0)
|
|
|
6028 reason = "deleted";
|
|
|
6029 else if (bufIsChanged(buf))
|
|
|
6030 reason = "conflict";
|
|
|
6031 else if (orig_size != buf->b_orig_size || buf_contents_changed(buf))
|
|
|
6032 reason = "changed";
|
|
|
6033 else if (orig_mode != buf->b_orig_mode)
|
|
|
6034 reason = "mode";
|
|
|
6035 else
|
|
|
6036 reason = "time";
|
|
|
6037
|
|
7
|
6038 #ifdef FEAT_AUTOCMD
|
|
|
6039 /*
|
|
|
6040 * Only give the warning if there are no FileChangedShell
|
|
|
6041 * autocommands.
|
|
|
6042 * Avoid being called recursively by setting "busy".
|
|
|
6043 */
|
|
|
6044 busy = TRUE;
|
|
532
|
6045 # ifdef FEAT_EVAL
|
|
179
|
6046 set_vim_var_string(VV_FCS_REASON, (char_u *)reason, -1);
|
|
|
6047 set_vim_var_string(VV_FCS_CHOICE, (char_u *)"", -1);
|
|
532
|
6048 # endif
|
|
7
|
6049 n = apply_autocmds(EVENT_FILECHANGEDSHELL,
|
|
|
6050 buf->b_fname, buf->b_fname, FALSE, buf);
|
|
|
6051 busy = FALSE;
|
|
|
6052 if (n)
|
|
|
6053 {
|
|
|
6054 if (!buf_valid(buf))
|
|
|
6055 EMSG(_("E246: FileChangedShell autocommand deleted buffer"));
|
|
532
|
6056 # ifdef FEAT_EVAL
|
|
179
|
6057 s = get_vim_var_str(VV_FCS_CHOICE);
|
|
|
6058 if (STRCMP(s, "reload") == 0 && *reason != 'd')
|
|
|
6059 reload = TRUE;
|
|
|
6060 else if (STRCMP(s, "ask") == 0)
|
|
|
6061 n = FALSE;
|
|
|
6062 else
|
|
532
|
6063 # endif
|
|
179
|
6064 return 2;
|
|
7
|
6065 }
|
|
179
|
6066 if (!n)
|
|
7
|
6067 #endif
|
|
|
6068 {
|
|
179
|
6069 if (*reason == 'd')
|
|
|
6070 mesg = _("E211: File \"%s\" no longer available");
|
|
7
|
6071 else
|
|
|
6072 {
|
|
|
6073 helpmesg = TRUE;
|
|
|
6074 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
6075 can_reload = TRUE;
|
|
|
6076 #endif
|
|
|
6077 /*
|
|
|
6078 * Check if the file contents really changed to avoid
|
|
|
6079 * giving a warning when only the timestamp was set (e.g.,
|
|
|
6080 * checked out of CVS). Always warn when the buffer was
|
|
|
6081 * changed.
|
|
|
6082 */
|
|
179
|
6083 if (reason[2] == 'n')
|
|
|
6084 {
|
|
7
|
6085 mesg = _("W12: Warning: File \"%s\" has changed and the buffer was changed in Vim as well");
|
|
179
|
6086 mesg2 = _("See \":help W12\" for more info.");
|
|
|
6087 }
|
|
|
6088 else if (reason[1] == 'h')
|
|
|
6089 {
|
|
7
|
6090 mesg = _("W11: Warning: File \"%s\" has changed since editing started");
|
|
179
|
6091 mesg2 = _("See \":help W11\" for more info.");
|
|
|
6092 }
|
|
|
6093 else if (*reason == 'm')
|
|
|
6094 {
|
|
7
|
6095 mesg = _("W16: Warning: Mode of file \"%s\" has changed since editing started");
|
|
179
|
6096 mesg2 = _("See \":help W16\" for more info.");
|
|
|
6097 }
|
|
|
6098 /* Else: only timestamp changed, ignored */
|
|
7
|
6099 }
|
|
|
6100 }
|
|
|
6101 }
|
|
|
6102
|
|
|
6103 }
|
|
|
6104 else if ((buf->b_flags & BF_NEW) && !(buf->b_flags & BF_NEW_W)
|
|
|
6105 && vim_fexists(buf->b_ffname))
|
|
|
6106 {
|
|
|
6107 retval = 1;
|
|
|
6108 mesg = _("W13: Warning: File \"%s\" has been created after editing started");
|
|
|
6109 buf->b_flags |= BF_NEW_W;
|
|
|
6110 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
6111 can_reload = TRUE;
|
|
|
6112 #endif
|
|
|
6113 }
|
|
|
6114
|
|
|
6115 if (mesg != NULL)
|
|
|
6116 {
|
|
|
6117 path = home_replace_save(buf, buf->b_fname);
|
|
|
6118 if (path != NULL)
|
|
|
6119 {
|
|
179
|
6120 if (!helpmesg)
|
|
7
|
6121 mesg2 = "";
|
|
|
6122 tbuf = alloc((unsigned)(STRLEN(path) + STRLEN(mesg)
|
|
|
6123 + STRLEN(mesg2) + 2));
|
|
|
6124 sprintf((char *)tbuf, mesg, path);
|
|
|
6125 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG)
|
|
|
6126 if (can_reload)
|
|
|
6127 {
|
|
|
6128 if (*mesg2 != NUL)
|
|
|
6129 {
|
|
|
6130 STRCAT(tbuf, "\n");
|
|
|
6131 STRCAT(tbuf, mesg2);
|
|
|
6132 }
|
|
|
6133 if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), tbuf,
|
|
|
6134 (char_u *)_("&OK\n&Load File"), 1, NULL) == 2)
|
|
|
6135 reload = TRUE;
|
|
|
6136 }
|
|
|
6137 else
|
|
|
6138 #endif
|
|
|
6139 if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned)
|
|
|
6140 {
|
|
|
6141 if (*mesg2 != NUL)
|
|
|
6142 {
|
|
|
6143 STRCAT(tbuf, "; ");
|
|
|
6144 STRCAT(tbuf, mesg2);
|
|
|
6145 }
|
|
|
6146 EMSG(tbuf);
|
|
|
6147 retval = 2;
|
|
|
6148 }
|
|
|
6149 else
|
|
|
6150 {
|
|
8
|
6151 # ifdef FEAT_AUTOCMD
|
|
7
|
6152 if (!autocmd_busy)
|
|
8
|
6153 # endif
|
|
7
|
6154 {
|
|
|
6155 msg_start();
|
|
|
6156 msg_puts_attr(tbuf, hl_attr(HLF_E) + MSG_HIST);
|
|
|
6157 if (*mesg2 != NUL)
|
|
|
6158 msg_puts_attr((char_u *)mesg2,
|
|
|
6159 hl_attr(HLF_W) + MSG_HIST);
|
|
|
6160 msg_clr_eos();
|
|
|
6161 (void)msg_end();
|
|
|
6162 if (emsg_silent == 0)
|
|
|
6163 {
|
|
|
6164 out_flush();
|
|
8
|
6165 # ifdef FEAT_GUI
|
|
7
|
6166 if (!focus)
|
|
8
|
6167 # endif
|
|
7
|
6168 /* give the user some time to think about it */
|
|
|
6169 ui_delay(1000L, TRUE);
|
|
|
6170
|
|
|
6171 /* don't redraw and erase the message */
|
|
|
6172 redraw_cmdline = FALSE;
|
|
|
6173 }
|
|
|
6174 }
|
|
|
6175 already_warned = TRUE;
|
|
|
6176 }
|
|
|
6177
|
|
|
6178 vim_free(path);
|
|
|
6179 vim_free(tbuf);
|
|
|
6180 }
|
|
|
6181 }
|
|
|
6182
|
|
|
6183 if (reload)
|
|
311
|
6184 /* Reload the buffer. */
|
|
|
6185 buf_reload(buf);
|
|
7
|
6186
|
|
|
6187 #ifdef FEAT_GUI
|
|
|
6188 /* restore this in case an autocommand has set it; it would break
|
|
|
6189 * 'mousefocus' */
|
|
|
6190 need_mouse_correct = save_mouse_correct;
|
|
|
6191 #endif
|
|
|
6192
|
|
|
6193 return retval;
|
|
|
6194 }
|
|
|
6195
|
|
311
|
6196 /*
|
|
|
6197 * Reload a buffer that is already loaded.
|
|
|
6198 * Used when the file was changed outside of Vim.
|
|
|
6199 */
|
|
|
6200 void
|
|
|
6201 buf_reload(buf)
|
|
|
6202 buf_T *buf;
|
|
|
6203 {
|
|
|
6204 exarg_T ea;
|
|
|
6205 pos_T old_cursor;
|
|
|
6206 linenr_T old_topline;
|
|
|
6207 int old_ro = buf->b_p_ro;
|
|
|
6208 int orig_mode = buf->b_orig_mode;
|
|
|
6209 buf_T *savebuf;
|
|
|
6210 int saved = OK;
|
|
|
6211 #ifdef FEAT_AUTOCMD
|
|
|
6212 aco_save_T aco;
|
|
|
6213
|
|
|
6214 /* set curwin/curbuf for "buf" and save some things */
|
|
|
6215 aucmd_prepbuf(&aco, buf);
|
|
|
6216 #else
|
|
|
6217 buf_T *save_curbuf = curbuf;
|
|
|
6218
|
|
|
6219 curbuf = buf;
|
|
|
6220 curwin->w_buffer = buf;
|
|
|
6221 #endif
|
|
|
6222
|
|
|
6223 /* We only want to read the text from the file, not reset the syntax
|
|
|
6224 * highlighting, clear marks, diff status, etc. Force the fileformat
|
|
|
6225 * and encoding to be the same. */
|
|
|
6226 if (prep_exarg(&ea, buf) == OK)
|
|
|
6227 {
|
|
|
6228 old_cursor = curwin->w_cursor;
|
|
|
6229 old_topline = curwin->w_topline;
|
|
|
6230
|
|
|
6231 /*
|
|
|
6232 * To behave like when a new file is edited (matters for
|
|
|
6233 * BufReadPost autocommands) we first need to delete the current
|
|
|
6234 * buffer contents. But if reading the file fails we should keep
|
|
|
6235 * the old contents. Can't use memory only, the file might be
|
|
|
6236 * too big. Use a hidden buffer to move the buffer contents to.
|
|
|
6237 */
|
|
|
6238 if (bufempty())
|
|
|
6239 savebuf = NULL;
|
|
|
6240 else
|
|
|
6241 {
|
|
|
6242 /* Allocate a buffer without putting it in the buffer list. */
|
|
|
6243 savebuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY);
|
|
|
6244 if (savebuf != NULL)
|
|
|
6245 {
|
|
|
6246 /* Open the memline. */
|
|
|
6247 curbuf = savebuf;
|
|
|
6248 curwin->w_buffer = savebuf;
|
|
|
6249 saved = ml_open();
|
|
|
6250 curbuf = buf;
|
|
|
6251 curwin->w_buffer = buf;
|
|
|
6252 }
|
|
|
6253 if (savebuf == NULL || saved == FAIL
|
|
|
6254 || move_lines(buf, savebuf) == FAIL)
|
|
|
6255 {
|
|
|
6256 EMSG2(_("E462: Could not prepare for reloading \"%s\""),
|
|
|
6257 buf->b_fname);
|
|
|
6258 saved = FAIL;
|
|
|
6259 }
|
|
|
6260 }
|
|
|
6261
|
|
|
6262 if (saved == OK)
|
|
|
6263 {
|
|
|
6264 curbuf->b_flags |= BF_CHECK_RO; /* check for RO again */
|
|
|
6265 #ifdef FEAT_AUTOCMD
|
|
|
6266 keep_filetype = TRUE; /* don't detect 'filetype' */
|
|
|
6267 #endif
|
|
|
6268 if (readfile(buf->b_ffname, buf->b_fname, (linenr_T)0,
|
|
|
6269 (linenr_T)0,
|
|
|
6270 (linenr_T)MAXLNUM, &ea, READ_NEW) == FAIL)
|
|
|
6271 {
|
|
|
6272 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
|
|
|
6273 if (!aborting())
|
|
|
6274 #endif
|
|
|
6275 EMSG2(_("E321: Could not reload \"%s\""), buf->b_fname);
|
|
|
6276 if (savebuf != NULL)
|
|
|
6277 {
|
|
|
6278 /* Put the text back from the save buffer. First
|
|
|
6279 * delete any lines that readfile() added. */
|
|
|
6280 while (!bufempty())
|
|
|
6281 if (ml_delete(curbuf->b_ml.ml_line_count, FALSE)
|
|
|
6282 == FAIL)
|
|
|
6283 break;
|
|
|
6284 (void)move_lines(savebuf, buf);
|
|
|
6285 }
|
|
|
6286 }
|
|
|
6287 else
|
|
|
6288 {
|
|
|
6289 /* Mark the buffer as unmodified and free undo info. */
|
|
|
6290 unchanged(buf, TRUE);
|
|
|
6291 u_blockfree(buf);
|
|
|
6292 u_clearall(buf);
|
|
|
6293 }
|
|
|
6294 }
|
|
|
6295 vim_free(ea.cmd);
|
|
|
6296
|
|
|
6297 if (savebuf != NULL)
|
|
|
6298 wipe_buffer(savebuf, FALSE);
|
|
|
6299
|
|
|
6300 #ifdef FEAT_DIFF
|
|
|
6301 /* Invalidate diff info if necessary. */
|
|
|
6302 diff_invalidate();
|
|
|
6303 #endif
|
|
|
6304
|
|
|
6305 /* Restore the topline and cursor position and check it (lines may
|
|
|
6306 * have been removed). */
|
|
|
6307 if (old_topline > curbuf->b_ml.ml_line_count)
|
|
|
6308 curwin->w_topline = curbuf->b_ml.ml_line_count;
|
|
|
6309 else
|
|
|
6310 curwin->w_topline = old_topline;
|
|
|
6311 curwin->w_cursor = old_cursor;
|
|
|
6312 check_cursor();
|
|
|
6313 update_topline();
|
|
|
6314 #ifdef FEAT_AUTOCMD
|
|
|
6315 keep_filetype = FALSE;
|
|
|
6316 #endif
|
|
|
6317 #ifdef FEAT_FOLDING
|
|
|
6318 {
|
|
|
6319 win_T *wp;
|
|
|
6320
|
|
|
6321 /* Update folds unless they are defined manually. */
|
|
|
6322 FOR_ALL_WINDOWS(wp)
|
|
|
6323 if (wp->w_buffer == curwin->w_buffer
|
|
|
6324 && !foldmethodIsManual(wp))
|
|
|
6325 foldUpdateAll(wp);
|
|
|
6326 }
|
|
|
6327 #endif
|
|
|
6328 /* If the mode didn't change and 'readonly' was set, keep the old
|
|
|
6329 * value; the user probably used the ":view" command. But don't
|
|
|
6330 * reset it, might have had a read error. */
|
|
|
6331 if (orig_mode == curbuf->b_orig_mode)
|
|
|
6332 curbuf->b_p_ro |= old_ro;
|
|
|
6333 }
|
|
|
6334
|
|
|
6335 #ifdef FEAT_AUTOCMD
|
|
|
6336 /* restore curwin/curbuf and a few other things */
|
|
|
6337 aucmd_restbuf(&aco);
|
|
|
6338 /* Careful: autocommands may have made "buf" invalid! */
|
|
|
6339 #else
|
|
|
6340 curwin->w_buffer = save_curbuf;
|
|
|
6341 curbuf = save_curbuf;
|
|
|
6342 #endif
|
|
|
6343 }
|
|
|
6344
|
|
7
|
6345 /*ARGSUSED*/
|
|
|
6346 void
|
|
|
6347 buf_store_time(buf, st, fname)
|
|
|
6348 buf_T *buf;
|
|
|
6349 struct stat *st;
|
|
|
6350 char_u *fname;
|
|
|
6351 {
|
|
|
6352 buf->b_mtime = (long)st->st_mtime;
|
|
|
6353 buf->b_orig_size = (size_t)st->st_size;
|
|
|
6354 #ifdef HAVE_ST_MODE
|
|
|
6355 buf->b_orig_mode = (int)st->st_mode;
|
|
|
6356 #else
|
|
|
6357 buf->b_orig_mode = mch_getperm(fname);
|
|
|
6358 #endif
|
|
|
6359 }
|
|
|
6360
|
|
|
6361 /*
|
|
|
6362 * Adjust the line with missing eol, used for the next write.
|
|
|
6363 * Used for do_filter(), when the input lines for the filter are deleted.
|
|
|
6364 */
|
|
|
6365 void
|
|
|
6366 write_lnum_adjust(offset)
|
|
|
6367 linenr_T offset;
|
|
|
6368 {
|
|
167
|
6369 if (write_no_eol_lnum != 0) /* only if there is a missing eol */
|
|
7
|
6370 write_no_eol_lnum += offset;
|
|
|
6371 }
|
|
|
6372
|
|
|
6373 #if defined(TEMPDIRNAMES) || defined(PROTO)
|
|
|
6374 static long temp_count = 0; /* Temp filename counter. */
|
|
|
6375
|
|
|
6376 /*
|
|
|
6377 * Delete the temp directory and all files it contains.
|
|
|
6378 */
|
|
|
6379 void
|
|
|
6380 vim_deltempdir()
|
|
|
6381 {
|
|
|
6382 char_u **files;
|
|
|
6383 int file_count;
|
|
|
6384 int i;
|
|
|
6385
|
|
|
6386 if (vim_tempdir != NULL)
|
|
|
6387 {
|
|
|
6388 sprintf((char *)NameBuff, "%s*", vim_tempdir);
|
|
|
6389 if (gen_expand_wildcards(1, &NameBuff, &file_count, &files,
|
|
|
6390 EW_DIR|EW_FILE|EW_SILENT) == OK)
|
|
|
6391 {
|
|
|
6392 for (i = 0; i < file_count; ++i)
|
|
|
6393 mch_remove(files[i]);
|
|
|
6394 FreeWild(file_count, files);
|
|
|
6395 }
|
|
|
6396 gettail(NameBuff)[-1] = NUL;
|
|
|
6397 (void)mch_rmdir(NameBuff);
|
|
|
6398
|
|
|
6399 vim_free(vim_tempdir);
|
|
|
6400 vim_tempdir = NULL;
|
|
|
6401 }
|
|
|
6402 }
|
|
|
6403 #endif
|
|
|
6404
|
|
|
6405 /*
|
|
|
6406 * vim_tempname(): Return a unique name that can be used for a temp file.
|
|
|
6407 *
|
|
|
6408 * The temp file is NOT created.
|
|
|
6409 *
|
|
|
6410 * The returned pointer is to allocated memory.
|
|
|
6411 * The returned pointer is NULL if no valid name was found.
|
|
|
6412 */
|
|
|
6413 /*ARGSUSED*/
|
|
|
6414 char_u *
|
|
|
6415 vim_tempname(extra_char)
|
|
|
6416 int extra_char; /* character to use in the name instead of '?' */
|
|
|
6417 {
|
|
|
6418 #ifdef USE_TMPNAM
|
|
|
6419 char_u itmp[L_tmpnam]; /* use tmpnam() */
|
|
|
6420 #else
|
|
|
6421 char_u itmp[TEMPNAMELEN];
|
|
|
6422 #endif
|
|
|
6423
|
|
|
6424 #ifdef TEMPDIRNAMES
|
|
|
6425 static char *(tempdirs[]) = {TEMPDIRNAMES};
|
|
|
6426 int i;
|
|
|
6427 long nr;
|
|
|
6428 long off;
|
|
|
6429 # ifndef EEXIST
|
|
|
6430 struct stat st;
|
|
|
6431 # endif
|
|
|
6432
|
|
|
6433 /*
|
|
|
6434 * This will create a directory for private use by this instance of Vim.
|
|
|
6435 * This is done once, and the same directory is used for all temp files.
|
|
|
6436 * This method avoids security problems because of symlink attacks et al.
|
|
|
6437 * It's also a bit faster, because we only need to check for an existing
|
|
|
6438 * file when creating the directory and not for each temp file.
|
|
|
6439 */
|
|
|
6440 if (vim_tempdir == NULL)
|
|
|
6441 {
|
|
|
6442 /*
|
|
|
6443 * Try the entries in TEMPDIRNAMES to create the temp directory.
|
|
|
6444 */
|
|
|
6445 for (i = 0; i < sizeof(tempdirs) / sizeof(char *); ++i)
|
|
|
6446 {
|
|
|
6447 /* expand $TMP, leave room for "/v1100000/999999999" */
|
|
|
6448 expand_env((char_u *)tempdirs[i], itmp, TEMPNAMELEN - 20);
|
|
|
6449 if (mch_isdir(itmp)) /* directory exists */
|
|
|
6450 {
|
|
|
6451 # ifdef __EMX__
|
|
|
6452 /* If $TMP contains a forward slash (perhaps using bash or
|
|
|
6453 * tcsh), don't add a backslash, use a forward slash!
|
|
|
6454 * Adding 2 backslashes didn't work. */
|
|
|
6455 if (vim_strchr(itmp, '/') != NULL)
|
|
|
6456 STRCAT(itmp, "/");
|
|
|
6457 else
|
|
|
6458 # endif
|
|
|
6459 add_pathsep(itmp);
|
|
|
6460
|
|
|
6461 /* Get an arbitrary number of up to 6 digits. When it's
|
|
|
6462 * unlikely that it already exists it will be faster,
|
|
|
6463 * otherwise it doesn't matter. The use of mkdir() avoids any
|
|
|
6464 * security problems because of the predictable number. */
|
|
|
6465 nr = (mch_get_pid() + (long)time(NULL)) % 1000000L;
|
|
|
6466
|
|
|
6467 /* Try up to 10000 different values until we find a name that
|
|
|
6468 * doesn't exist. */
|
|
|
6469 for (off = 0; off < 10000L; ++off)
|
|
|
6470 {
|
|
|
6471 int r;
|
|
|
6472 #if defined(UNIX) || defined(VMS)
|
|
|
6473 mode_t umask_save;
|
|
|
6474 #endif
|
|
|
6475
|
|
|
6476 sprintf((char *)itmp + STRLEN(itmp), "v%ld", nr + off);
|
|
|
6477 # ifndef EEXIST
|
|
|
6478 /* If mkdir() does not set errno to EEXIST, check for
|
|
|
6479 * existing file here. There is a race condition then,
|
|
|
6480 * although it's fail-safe. */
|
|
|
6481 if (mch_stat((char *)itmp, &st) >= 0)
|
|
|
6482 continue;
|
|
|
6483 # endif
|
|
|
6484 #if defined(UNIX) || defined(VMS)
|
|
|
6485 /* Make sure the umask doesn't remove the executable bit.
|
|
|
6486 * "repl" has been reported to use "177". */
|
|
|
6487 umask_save = umask(077);
|
|
|
6488 #endif
|
|
|
6489 r = vim_mkdir(itmp, 0700);
|
|
|
6490 #if defined(UNIX) || defined(VMS)
|
|
|
6491 (void)umask(umask_save);
|
|
|
6492 #endif
|
|
|
6493 if (r == 0)
|
|
|
6494 {
|
|
|
6495 char_u *buf;
|
|
|
6496
|
|
|
6497 /* Directory was created, use this name.
|
|
|
6498 * Expand to full path; When using the current
|
|
|
6499 * directory a ":cd" would confuse us. */
|
|
|
6500 buf = alloc((unsigned)MAXPATHL + 1);
|
|
|
6501 if (buf != NULL)
|
|
|
6502 {
|
|
|
6503 if (vim_FullName(itmp, buf, MAXPATHL, FALSE)
|
|
|
6504 == FAIL)
|
|
|
6505 STRCPY(buf, itmp);
|
|
|
6506 # ifdef __EMX__
|
|
|
6507 if (vim_strchr(buf, '/') != NULL)
|
|
|
6508 STRCAT(buf, "/");
|
|
|
6509 else
|
|
|
6510 # endif
|
|
|
6511 add_pathsep(buf);
|
|
|
6512 vim_tempdir = vim_strsave(buf);
|
|
|
6513 vim_free(buf);
|
|
|
6514 }
|
|
|
6515 break;
|
|
|
6516 }
|
|
|
6517 # ifdef EEXIST
|
|
|
6518 /* If the mkdir() didn't fail because the file/dir exists,
|
|
|
6519 * we probably can't create any dir here, try another
|
|
|
6520 * place. */
|
|
|
6521 if (errno != EEXIST)
|
|
|
6522 # endif
|
|
|
6523 break;
|
|
|
6524 }
|
|
|
6525 if (vim_tempdir != NULL)
|
|
|
6526 break;
|
|
|
6527 }
|
|
|
6528 }
|
|
|
6529 }
|
|
|
6530
|
|
|
6531 if (vim_tempdir != NULL)
|
|
|
6532 {
|
|
|
6533 /* There is no need to check if the file exists, because we own the
|
|
|
6534 * directory and nobody else creates a file in it. */
|
|
|
6535 sprintf((char *)itmp, "%s%ld", vim_tempdir, temp_count++);
|
|
|
6536 return vim_strsave(itmp);
|
|
|
6537 }
|
|
|
6538
|
|
|
6539 return NULL;
|
|
|
6540
|
|
|
6541 #else /* TEMPDIRNAMES */
|
|
|
6542
|
|
|
6543 # ifdef WIN3264
|
|
|
6544 char szTempFile[_MAX_PATH + 1];
|
|
|
6545 char buf4[4];
|
|
|
6546 char_u *retval;
|
|
|
6547 char_u *p;
|
|
|
6548
|
|
|
6549 STRCPY(itmp, "");
|
|
|
6550 if (GetTempPath(_MAX_PATH, szTempFile) == 0)
|
|
|
6551 szTempFile[0] = NUL; /* GetTempPath() failed, use current dir */
|
|
|
6552 strcpy(buf4, "VIM");
|
|
|
6553 buf4[2] = extra_char; /* make it "VIa", "VIb", etc. */
|
|
|
6554 if (GetTempFileName(szTempFile, buf4, 0, itmp) == 0)
|
|
|
6555 return NULL;
|
|
|
6556 /* GetTempFileName() will create the file, we don't want that */
|
|
|
6557 (void)DeleteFile(itmp);
|
|
|
6558
|
|
|
6559 /* Backslashes in a temp file name cause problems when filtering with
|
|
|
6560 * "sh". NOTE: This also checks 'shellcmdflag' to help those people who
|
|
|
6561 * didn't set 'shellslash'. */
|
|
|
6562 retval = vim_strsave(itmp);
|
|
|
6563 if (*p_shcf == '-' || p_ssl)
|
|
|
6564 for (p = retval; *p; ++p)
|
|
|
6565 if (*p == '\\')
|
|
|
6566 *p = '/';
|
|
|
6567 return retval;
|
|
|
6568
|
|
|
6569 # else /* WIN3264 */
|
|
|
6570
|
|
|
6571 # ifdef USE_TMPNAM
|
|
|
6572 /* tmpnam() will make its own name */
|
|
|
6573 if (*tmpnam((char *)itmp) == NUL)
|
|
|
6574 return NULL;
|
|
|
6575 # else
|
|
|
6576 char_u *p;
|
|
|
6577
|
|
|
6578 # ifdef VMS_TEMPNAM
|
|
|
6579 /* mktemp() is not working on VMS. It seems to be
|
|
|
6580 * a do-nothing function. Therefore we use tempnam().
|
|
|
6581 */
|
|
|
6582 sprintf((char *)itmp, "VIM%c", extra_char);
|
|
|
6583 p = (char_u *)tempnam("tmp:", (char *)itmp);
|
|
|
6584 if (p != NULL)
|
|
|
6585 {
|
|
|
6586 /* VMS will use '.LOG' if we don't explicitly specify an extension,
|
|
|
6587 * and VIM will then be unable to find the file later */
|
|
|
6588 STRCPY(itmp, p);
|
|
|
6589 STRCAT(itmp, ".txt");
|
|
|
6590 free(p);
|
|
|
6591 }
|
|
|
6592 else
|
|
|
6593 return NULL;
|
|
|
6594 # else
|
|
|
6595 STRCPY(itmp, TEMPNAME);
|
|
|
6596 if ((p = vim_strchr(itmp, '?')) != NULL)
|
|
|
6597 *p = extra_char;
|
|
|
6598 if (mktemp((char *)itmp) == NULL)
|
|
|
6599 return NULL;
|
|
|
6600 # endif
|
|
|
6601 # endif
|
|
|
6602
|
|
|
6603 return vim_strsave(itmp);
|
|
|
6604 # endif /* WIN3264 */
|
|
|
6605 #endif /* TEMPDIRNAMES */
|
|
|
6606 }
|
|
|
6607
|
|
|
6608 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
|
|
|
6609 /*
|
|
|
6610 * Convert all backslashes in fname to forward slashes in-place.
|
|
|
6611 */
|
|
|
6612 void
|
|
|
6613 forward_slash(fname)
|
|
|
6614 char_u *fname;
|
|
|
6615 {
|
|
|
6616 char_u *p;
|
|
|
6617
|
|
|
6618 for (p = fname; *p != NUL; ++p)
|
|
|
6619 # ifdef FEAT_MBYTE
|
|
|
6620 /* The Big5 encoding can have '\' in the trail byte. */
|
|
474
|
6621 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1)
|
|
7
|
6622 ++p;
|
|
|
6623 else
|
|
|
6624 # endif
|
|
|
6625 if (*p == '\\')
|
|
|
6626 *p = '/';
|
|
|
6627 }
|
|
|
6628 #endif
|
|
|
6629
|
|
|
6630
|
|
|
6631 /*
|
|
|
6632 * Code for automatic commands.
|
|
|
6633 *
|
|
|
6634 * Only included when "FEAT_AUTOCMD" has been defined.
|
|
|
6635 */
|
|
|
6636
|
|
|
6637 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
6638
|
|
|
6639 /*
|
|
|
6640 * The autocommands are stored in a list for each event.
|
|
|
6641 * Autocommands for the same pattern, that are consecutive, are joined
|
|
|
6642 * together, to avoid having to match the pattern too often.
|
|
|
6643 * The result is an array of Autopat lists, which point to AutoCmd lists:
|
|
|
6644 *
|
|
|
6645 * first_autopat[0] --> Autopat.next --> Autopat.next --> NULL
|
|
|
6646 * Autopat.cmds Autopat.cmds
|
|
|
6647 * | |
|
|
|
6648 * V V
|
|
|
6649 * AutoCmd.next AutoCmd.next
|
|
|
6650 * | |
|
|
|
6651 * V V
|
|
|
6652 * AutoCmd.next NULL
|
|
|
6653 * |
|
|
|
6654 * V
|
|
|
6655 * NULL
|
|
|
6656 *
|
|
|
6657 * first_autopat[1] --> Autopat.next --> NULL
|
|
|
6658 * Autopat.cmds
|
|
|
6659 * |
|
|
|
6660 * V
|
|
|
6661 * AutoCmd.next
|
|
|
6662 * |
|
|
|
6663 * V
|
|
|
6664 * NULL
|
|
|
6665 * etc.
|
|
|
6666 *
|
|
|
6667 * The order of AutoCmds is important, this is the order in which they were
|
|
|
6668 * defined and will have to be executed.
|
|
|
6669 */
|
|
|
6670 typedef struct AutoCmd
|
|
|
6671 {
|
|
|
6672 char_u *cmd; /* The command to be executed (NULL
|
|
|
6673 when command has been removed) */
|
|
|
6674 char nested; /* If autocommands nest here */
|
|
|
6675 char last; /* last command in list */
|
|
|
6676 #ifdef FEAT_EVAL
|
|
|
6677 scid_T scriptID; /* script ID where defined */
|
|
|
6678 #endif
|
|
|
6679 struct AutoCmd *next; /* Next AutoCmd in list */
|
|
|
6680 } AutoCmd;
|
|
|
6681
|
|
|
6682 typedef struct AutoPat
|
|
|
6683 {
|
|
|
6684 int group; /* group ID */
|
|
|
6685 char_u *pat; /* pattern as typed (NULL when pattern
|
|
|
6686 has been removed) */
|
|
|
6687 int patlen; /* strlen() of pat */
|
|
153
|
6688 regprog_T *reg_prog; /* compiled regprog for pattern */
|
|
7
|
6689 char allow_dirs; /* Pattern may match whole path */
|
|
|
6690 char last; /* last pattern for apply_autocmds() */
|
|
|
6691 AutoCmd *cmds; /* list of commands to do */
|
|
|
6692 struct AutoPat *next; /* next AutoPat in AutoPat list */
|
|
40
|
6693 int buflocal_nr; /* !=0 for buffer-local AutoPat */
|
|
7
|
6694 } AutoPat;
|
|
|
6695
|
|
|
6696 static struct event_name
|
|
|
6697 {
|
|
|
6698 char *name; /* event name */
|
|
|
6699 EVENT_T event; /* event number */
|
|
|
6700 } event_names[] =
|
|
|
6701 {
|
|
|
6702 {"BufAdd", EVENT_BUFADD},
|
|
|
6703 {"BufCreate", EVENT_BUFADD},
|
|
|
6704 {"BufDelete", EVENT_BUFDELETE},
|
|
|
6705 {"BufEnter", EVENT_BUFENTER},
|
|
|
6706 {"BufFilePost", EVENT_BUFFILEPOST},
|
|
|
6707 {"BufFilePre", EVENT_BUFFILEPRE},
|
|
|
6708 {"BufHidden", EVENT_BUFHIDDEN},
|
|
|
6709 {"BufLeave", EVENT_BUFLEAVE},
|
|
|
6710 {"BufNew", EVENT_BUFNEW},
|
|
|
6711 {"BufNewFile", EVENT_BUFNEWFILE},
|
|
|
6712 {"BufRead", EVENT_BUFREADPOST},
|
|
|
6713 {"BufReadCmd", EVENT_BUFREADCMD},
|
|
|
6714 {"BufReadPost", EVENT_BUFREADPOST},
|
|
|
6715 {"BufReadPre", EVENT_BUFREADPRE},
|
|
|
6716 {"BufUnload", EVENT_BUFUNLOAD},
|
|
|
6717 {"BufWinEnter", EVENT_BUFWINENTER},
|
|
|
6718 {"BufWinLeave", EVENT_BUFWINLEAVE},
|
|
|
6719 {"BufWipeout", EVENT_BUFWIPEOUT},
|
|
|
6720 {"BufWrite", EVENT_BUFWRITEPRE},
|
|
|
6721 {"BufWritePost", EVENT_BUFWRITEPOST},
|
|
|
6722 {"BufWritePre", EVENT_BUFWRITEPRE},
|
|
|
6723 {"BufWriteCmd", EVENT_BUFWRITECMD},
|
|
|
6724 {"CmdwinEnter", EVENT_CMDWINENTER},
|
|
|
6725 {"CmdwinLeave", EVENT_CMDWINLEAVE},
|
|
12
|
6726 {"ColorScheme", EVENT_COLORSCHEME},
|
|
7
|
6727 {"EncodingChanged", EVENT_ENCODINGCHANGED},
|
|
|
6728 {"FileEncoding", EVENT_ENCODINGCHANGED},
|
|
|
6729 {"CursorHold", EVENT_CURSORHOLD},
|
|
|
6730 {"FileAppendPost", EVENT_FILEAPPENDPOST},
|
|
|
6731 {"FileAppendPre", EVENT_FILEAPPENDPRE},
|
|
|
6732 {"FileAppendCmd", EVENT_FILEAPPENDCMD},
|
|
|
6733 {"FileChangedShell",EVENT_FILECHANGEDSHELL},
|
|
|
6734 {"FileChangedRO", EVENT_FILECHANGEDRO},
|
|
|
6735 {"FileReadPost", EVENT_FILEREADPOST},
|
|
|
6736 {"FileReadPre", EVENT_FILEREADPRE},
|
|
|
6737 {"FileReadCmd", EVENT_FILEREADCMD},
|
|
|
6738 {"FileType", EVENT_FILETYPE},
|
|
|
6739 {"FileWritePost", EVENT_FILEWRITEPOST},
|
|
|
6740 {"FileWritePre", EVENT_FILEWRITEPRE},
|
|
|
6741 {"FileWriteCmd", EVENT_FILEWRITECMD},
|
|
|
6742 {"FilterReadPost", EVENT_FILTERREADPOST},
|
|
|
6743 {"FilterReadPre", EVENT_FILTERREADPRE},
|
|
|
6744 {"FilterWritePost", EVENT_FILTERWRITEPOST},
|
|
|
6745 {"FilterWritePre", EVENT_FILTERWRITEPRE},
|
|
|
6746 {"FocusGained", EVENT_FOCUSGAINED},
|
|
|
6747 {"FocusLost", EVENT_FOCUSLOST},
|
|
|
6748 {"FuncUndefined", EVENT_FUNCUNDEFINED},
|
|
|
6749 {"GUIEnter", EVENT_GUIENTER},
|
|
11
|
6750 {"InsertChange", EVENT_INSERTCHANGE},
|
|
|
6751 {"InsertEnter", EVENT_INSERTENTER},
|
|
|
6752 {"InsertLeave", EVENT_INSERTLEAVE},
|
|
434
|
6753 {"MenuPopup", EVENT_MENUPOPUP},
|
|
161
|
6754 {"QuickFixCmdPost", EVENT_QUICKFIXCMDPOST},
|
|
|
6755 {"QuickFixCmdPre", EVENT_QUICKFIXCMDPRE},
|
|
7
|
6756 {"RemoteReply", EVENT_REMOTEREPLY},
|
|
|
6757 {"StdinReadPost", EVENT_STDINREADPOST},
|
|
|
6758 {"StdinReadPre", EVENT_STDINREADPRE},
|
|
|
6759 {"Syntax", EVENT_SYNTAX},
|
|
|
6760 {"TermChanged", EVENT_TERMCHANGED},
|
|
|
6761 {"TermResponse", EVENT_TERMRESPONSE},
|
|
|
6762 {"User", EVENT_USER},
|
|
|
6763 {"VimEnter", EVENT_VIMENTER},
|
|
|
6764 {"VimLeave", EVENT_VIMLEAVE},
|
|
|
6765 {"VimLeavePre", EVENT_VIMLEAVEPRE},
|
|
|
6766 {"WinEnter", EVENT_WINENTER},
|
|
|
6767 {"WinLeave", EVENT_WINLEAVE},
|
|
|
6768 {NULL, (EVENT_T)0}
|
|
|
6769 };
|
|
|
6770
|
|
|
6771 static AutoPat *first_autopat[NUM_EVENTS] =
|
|
|
6772 {
|
|
|
6773 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6774 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6775 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6776 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
18
|
6777 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
|
|
6778 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
|
|
7
|
6779 };
|
|
|
6780
|
|
|
6781 /*
|
|
|
6782 * struct used to keep status while executing autocommands for an event.
|
|
|
6783 */
|
|
|
6784 typedef struct AutoPatCmd
|
|
|
6785 {
|
|
|
6786 AutoPat *curpat; /* next AutoPat to examine */
|
|
|
6787 AutoCmd *nextcmd; /* next AutoCmd to execute */
|
|
|
6788 int group; /* group being used */
|
|
|
6789 char_u *fname; /* fname to match with */
|
|
|
6790 char_u *sfname; /* sfname to match with */
|
|
|
6791 char_u *tail; /* tail of fname */
|
|
|
6792 EVENT_T event; /* current event */
|
|
40
|
6793 int arg_bufnr; /* initially equal to <abuf>, set to zero when
|
|
|
6794 buf is deleted */
|
|
|
6795 struct AutoPatCmd *next; /* chain of active apc-s for auto-invalidation*/
|
|
7
|
6796 } AutoPatCmd;
|
|
|
6797
|
|
297
|
6798 static AutoPatCmd *active_apc_list = NULL; /* stack of active autocommands */
|
|
40
|
6799
|
|
7
|
6800 /*
|
|
|
6801 * augroups stores a list of autocmd group names.
|
|
|
6802 */
|
|
297
|
6803 static garray_T augroups = {0, 0, sizeof(char_u *), 10, NULL};
|
|
7
|
6804 #define AUGROUP_NAME(i) (((char_u **)augroups.ga_data)[i])
|
|
|
6805
|
|
|
6806 /*
|
|
|
6807 * The ID of the current group. Group 0 is the default one.
|
|
|
6808 */
|
|
|
6809 #define AUGROUP_DEFAULT -1 /* default autocmd group */
|
|
|
6810 #define AUGROUP_ERROR -2 /* errornouse autocmd group */
|
|
|
6811 #define AUGROUP_ALL -3 /* all autocmd groups */
|
|
|
6812 static int current_augroup = AUGROUP_DEFAULT;
|
|
|
6813
|
|
|
6814 static int au_need_clean = FALSE; /* need to delete marked patterns */
|
|
|
6815
|
|
|
6816 static void show_autocmd __ARGS((AutoPat *ap, EVENT_T event));
|
|
|
6817 static void au_remove_pat __ARGS((AutoPat *ap));
|
|
|
6818 static void au_remove_cmds __ARGS((AutoPat *ap));
|
|
|
6819 static void au_cleanup __ARGS((void));
|
|
|
6820 static int au_new_group __ARGS((char_u *name));
|
|
|
6821 static void au_del_group __ARGS((char_u *name));
|
|
|
6822 static int au_find_group __ARGS((char_u *name));
|
|
|
6823 static EVENT_T event_name2nr __ARGS((char_u *start, char_u **end));
|
|
|
6824 static char_u *event_nr2name __ARGS((EVENT_T event));
|
|
|
6825 static char_u *find_end_event __ARGS((char_u *arg, int have_group));
|
|
|
6826 static int event_ignored __ARGS((EVENT_T event));
|
|
|
6827 static int au_get_grouparg __ARGS((char_u **argp));
|
|
|
6828 static int do_autocmd_event __ARGS((EVENT_T event, char_u *pat, int nested, char_u *cmd, int forceit, int group));
|
|
|
6829 static char_u *getnextac __ARGS((int c, void *cookie, int indent));
|
|
|
6830 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));
|
|
|
6831 static void auto_next_pat __ARGS((AutoPatCmd *apc, int stop_at_last));
|
|
|
6832
|
|
40
|
6833
|
|
7
|
6834 static EVENT_T last_event;
|
|
|
6835 static int last_group;
|
|
|
6836
|
|
|
6837 /*
|
|
|
6838 * Show the autocommands for one AutoPat.
|
|
|
6839 */
|
|
|
6840 static void
|
|
|
6841 show_autocmd(ap, event)
|
|
|
6842 AutoPat *ap;
|
|
|
6843 EVENT_T event;
|
|
|
6844 {
|
|
|
6845 AutoCmd *ac;
|
|
|
6846
|
|
|
6847 /* Check for "got_int" (here and at various places below), which is set
|
|
|
6848 * when "q" has been hit for the "--more--" prompt */
|
|
|
6849 if (got_int)
|
|
|
6850 return;
|
|
|
6851 if (ap->pat == NULL) /* pattern has been removed */
|
|
|
6852 return;
|
|
|
6853
|
|
|
6854 msg_putchar('\n');
|
|
|
6855 if (got_int)
|
|
|
6856 return;
|
|
|
6857 if (event != last_event || ap->group != last_group)
|
|
|
6858 {
|
|
|
6859 if (ap->group != AUGROUP_DEFAULT)
|
|
|
6860 {
|
|
|
6861 if (AUGROUP_NAME(ap->group) == NULL)
|
|
|
6862 msg_puts_attr((char_u *)_("--Deleted--"), hl_attr(HLF_E));
|
|
|
6863 else
|
|
|
6864 msg_puts_attr(AUGROUP_NAME(ap->group), hl_attr(HLF_T));
|
|
|
6865 msg_puts((char_u *)" ");
|
|
|
6866 }
|
|
|
6867 msg_puts_attr(event_nr2name(event), hl_attr(HLF_T));
|
|
|
6868 last_event = event;
|
|
|
6869 last_group = ap->group;
|
|
|
6870 msg_putchar('\n');
|
|
|
6871 if (got_int)
|
|
|
6872 return;
|
|
|
6873 }
|
|
|
6874 msg_col = 4;
|
|
|
6875 msg_outtrans(ap->pat);
|
|
|
6876
|
|
|
6877 for (ac = ap->cmds; ac != NULL; ac = ac->next)
|
|
|
6878 {
|
|
|
6879 if (ac->cmd != NULL) /* skip removed commands */
|
|
|
6880 {
|
|
|
6881 if (msg_col >= 14)
|
|
|
6882 msg_putchar('\n');
|
|
|
6883 msg_col = 14;
|
|
|
6884 if (got_int)
|
|
|
6885 return;
|
|
|
6886 msg_outtrans(ac->cmd);
|
|
500
|
6887 #ifdef FEAT_EVAL
|
|
|
6888 if (p_verbose > 0)
|
|
|
6889 last_set_msg(ac->scriptID);
|
|
|
6890 #endif
|
|
7
|
6891 if (got_int)
|
|
|
6892 return;
|
|
|
6893 if (ac->next != NULL)
|
|
|
6894 {
|
|
|
6895 msg_putchar('\n');
|
|
|
6896 if (got_int)
|
|
|
6897 return;
|
|
|
6898 }
|
|
|
6899 }
|
|
|
6900 }
|
|
|
6901 }
|
|
|
6902
|
|
|
6903 /*
|
|
|
6904 * Mark an autocommand pattern for deletion.
|
|
|
6905 */
|
|
|
6906 static void
|
|
|
6907 au_remove_pat(ap)
|
|
|
6908 AutoPat *ap;
|
|
|
6909 {
|
|
|
6910 vim_free(ap->pat);
|
|
|
6911 ap->pat = NULL;
|
|
40
|
6912 ap->buflocal_nr = -1;
|
|
7
|
6913 au_need_clean = TRUE;
|
|
|
6914 }
|
|
|
6915
|
|
|
6916 /*
|
|
|
6917 * Mark all commands for a pattern for deletion.
|
|
|
6918 */
|
|
|
6919 static void
|
|
|
6920 au_remove_cmds(ap)
|
|
|
6921 AutoPat *ap;
|
|
|
6922 {
|
|
|
6923 AutoCmd *ac;
|
|
|
6924
|
|
|
6925 for (ac = ap->cmds; ac != NULL; ac = ac->next)
|
|
|
6926 {
|
|
|
6927 vim_free(ac->cmd);
|
|
|
6928 ac->cmd = NULL;
|
|
|
6929 }
|
|
|
6930 au_need_clean = TRUE;
|
|
|
6931 }
|
|
|
6932
|
|
|
6933 /*
|
|
|
6934 * Cleanup autocommands and patterns that have been deleted.
|
|
|
6935 * This is only done when not executing autocommands.
|
|
|
6936 */
|
|
|
6937 static void
|
|
|
6938 au_cleanup()
|
|
|
6939 {
|
|
|
6940 AutoPat *ap, **prev_ap;
|
|
|
6941 AutoCmd *ac, **prev_ac;
|
|
|
6942 EVENT_T event;
|
|
|
6943
|
|
|
6944 if (autocmd_busy || !au_need_clean)
|
|
|
6945 return;
|
|
|
6946
|
|
|
6947 /* loop over all events */
|
|
|
6948 for (event = (EVENT_T)0; (int)event < (int)NUM_EVENTS;
|
|
|
6949 event = (EVENT_T)((int)event + 1))
|
|
|
6950 {
|
|
|
6951 /* loop over all autocommand patterns */
|
|
|
6952 prev_ap = &(first_autopat[(int)event]);
|
|
|
6953 for (ap = *prev_ap; ap != NULL; ap = *prev_ap)
|
|
|
6954 {
|
|
|
6955 /* loop over all commands for this pattern */
|
|
|
6956 prev_ac = &(ap->cmds);
|
|
|
6957 for (ac = *prev_ac; ac != NULL; ac = *prev_ac)
|
|
|
6958 {
|
|
|
6959 /* remove the command if the pattern is to be deleted or when
|
|
|
6960 * the command has been marked for deletion */
|
|
|
6961 if (ap->pat == NULL || ac->cmd == NULL)
|
|
|
6962 {
|
|
|
6963 *prev_ac = ac->next;
|
|
|
6964 vim_free(ac->cmd);
|
|
|
6965 vim_free(ac);
|
|
|
6966 }
|
|
|
6967 else
|
|
|
6968 prev_ac = &(ac->next);
|
|
|
6969 }
|
|
|
6970
|
|
|
6971 /* remove the pattern if it has been marked for deletion */
|
|
|
6972 if (ap->pat == NULL)
|
|
|
6973 {
|
|
|
6974 *prev_ap = ap->next;
|
|
153
|
6975 vim_free(ap->reg_prog);
|
|
7
|
6976 vim_free(ap);
|
|
|
6977 }
|
|
|
6978 else
|
|
|
6979 prev_ap = &(ap->next);
|
|
|
6980 }
|
|
|
6981 }
|
|
|
6982
|
|
|
6983 au_need_clean = FALSE;
|
|
|
6984 }
|
|
|
6985
|
|
|
6986 /*
|
|
40
|
6987 * Called when buffer is freed, to remove/invalidate related buffer-local
|
|
|
6988 * autocmds.
|
|
|
6989 */
|
|
|
6990 void
|
|
|
6991 aubuflocal_remove(buf)
|
|
|
6992 buf_T *buf;
|
|
|
6993 {
|
|
|
6994 AutoPat *ap;
|
|
|
6995 EVENT_T event;
|
|
|
6996 AutoPatCmd *apc;
|
|
|
6997
|
|
|
6998 /* invalidate currently executing autocommands */
|
|
|
6999 for (apc = active_apc_list; apc; apc = apc->next)
|
|
|
7000 if (buf->b_fnum == apc->arg_bufnr)
|
|
|
7001 apc->arg_bufnr = 0;
|
|
|
7002
|
|
|
7003 /* invalidate buflocals looping through events */
|
|
|
7004 for (event = (EVENT_T)0; (int)event < (int)NUM_EVENTS;
|
|
|
7005 event = (EVENT_T)((int)event + 1))
|
|
|
7006 /* loop over all autocommand patterns */
|
|
|
7007 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next)
|
|
|
7008 if (ap->buflocal_nr == buf->b_fnum)
|
|
|
7009 {
|
|
|
7010 au_remove_pat(ap);
|
|
|
7011 if (p_verbose >= 6)
|
|
292
|
7012 {
|
|
|
7013 verbose_enter();
|
|
40
|
7014 smsg((char_u *)
|
|
|
7015 _("auto-removing autocommand: %s <buffer=%d>"),
|
|
|
7016 event_nr2name(event), buf->b_fnum);
|
|
292
|
7017 verbose_leave();
|
|
|
7018 }
|
|
40
|
7019 }
|
|
|
7020 au_cleanup();
|
|
|
7021 }
|
|
|
7022
|
|
|
7023 /*
|
|
7
|
7024 * Add an autocmd group name.
|
|
|
7025 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
|
|
|
7026 */
|
|
|
7027 static int
|
|
|
7028 au_new_group(name)
|
|
|
7029 char_u *name;
|
|
|
7030 {
|
|
|
7031 int i;
|
|
|
7032
|
|
|
7033 i = au_find_group(name);
|
|
|
7034 if (i == AUGROUP_ERROR) /* the group doesn't exist yet, add it */
|
|
|
7035 {
|
|
|
7036 /* First try using a free entry. */
|
|
|
7037 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
7038 if (AUGROUP_NAME(i) == NULL)
|
|
|
7039 break;
|
|
|
7040 if (i == augroups.ga_len && ga_grow(&augroups, 1) == FAIL)
|
|
|
7041 return AUGROUP_ERROR;
|
|
|
7042
|
|
|
7043 AUGROUP_NAME(i) = vim_strsave(name);
|
|
|
7044 if (AUGROUP_NAME(i) == NULL)
|
|
|
7045 return AUGROUP_ERROR;
|
|
|
7046 if (i == augroups.ga_len)
|
|
|
7047 ++augroups.ga_len;
|
|
|
7048 }
|
|
|
7049
|
|
|
7050 return i;
|
|
|
7051 }
|
|
|
7052
|
|
|
7053 static void
|
|
|
7054 au_del_group(name)
|
|
|
7055 char_u *name;
|
|
|
7056 {
|
|
|
7057 int i;
|
|
|
7058
|
|
|
7059 i = au_find_group(name);
|
|
|
7060 if (i == AUGROUP_ERROR) /* the group doesn't exist */
|
|
|
7061 EMSG2(_("E367: No such group: \"%s\""), name);
|
|
|
7062 else
|
|
|
7063 {
|
|
|
7064 vim_free(AUGROUP_NAME(i));
|
|
|
7065 AUGROUP_NAME(i) = NULL;
|
|
|
7066 }
|
|
|
7067 }
|
|
|
7068
|
|
|
7069 /*
|
|
|
7070 * Find the ID of an autocmd group name.
|
|
|
7071 * Return it's ID. Returns AUGROUP_ERROR (< 0) for error.
|
|
|
7072 */
|
|
|
7073 static int
|
|
|
7074 au_find_group(name)
|
|
|
7075 char_u *name;
|
|
|
7076 {
|
|
|
7077 int i;
|
|
|
7078
|
|
|
7079 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
7080 if (AUGROUP_NAME(i) != NULL && STRCMP(AUGROUP_NAME(i), name) == 0)
|
|
|
7081 return i;
|
|
|
7082 return AUGROUP_ERROR;
|
|
|
7083 }
|
|
|
7084
|
|
461
|
7085 #if defined(FEAT_BROWSE) || defined(PROTO)
|
|
|
7086 /*
|
|
|
7087 * Return TRUE if augroup "name" exists.
|
|
|
7088 */
|
|
|
7089 int
|
|
|
7090 au_has_group(name)
|
|
|
7091 char_u *name;
|
|
|
7092 {
|
|
|
7093 return au_find_group(name) != AUGROUP_ERROR;
|
|
|
7094 }
|
|
|
7095 #endif
|
|
|
7096
|
|
7
|
7097 /*
|
|
|
7098 * ":augroup {name}".
|
|
|
7099 */
|
|
|
7100 void
|
|
|
7101 do_augroup(arg, del_group)
|
|
|
7102 char_u *arg;
|
|
|
7103 int del_group;
|
|
|
7104 {
|
|
|
7105 int i;
|
|
|
7106
|
|
|
7107 if (del_group)
|
|
|
7108 {
|
|
|
7109 if (*arg == NUL)
|
|
|
7110 EMSG(_(e_argreq));
|
|
|
7111 else
|
|
|
7112 au_del_group(arg);
|
|
|
7113 }
|
|
|
7114 else if (STRICMP(arg, "end") == 0) /* ":aug end": back to group 0 */
|
|
|
7115 current_augroup = AUGROUP_DEFAULT;
|
|
|
7116 else if (*arg) /* ":aug xxx": switch to group xxx */
|
|
|
7117 {
|
|
|
7118 i = au_new_group(arg);
|
|
|
7119 if (i != AUGROUP_ERROR)
|
|
|
7120 current_augroup = i;
|
|
|
7121 }
|
|
|
7122 else /* ":aug": list the group names */
|
|
|
7123 {
|
|
|
7124 msg_start();
|
|
|
7125 for (i = 0; i < augroups.ga_len; ++i)
|
|
|
7126 {
|
|
|
7127 if (AUGROUP_NAME(i) != NULL)
|
|
|
7128 {
|
|
|
7129 msg_puts(AUGROUP_NAME(i));
|
|
|
7130 msg_puts((char_u *)" ");
|
|
|
7131 }
|
|
|
7132 }
|
|
|
7133 msg_clr_eos();
|
|
|
7134 msg_end();
|
|
|
7135 }
|
|
|
7136 }
|
|
|
7137
|
|
355
|
7138 #if defined(EXITFREE) || defined(PROTO)
|
|
|
7139 void
|
|
|
7140 free_all_autocmds()
|
|
|
7141 {
|
|
|
7142 for (current_augroup = -1; current_augroup < augroups.ga_len;
|
|
|
7143 ++current_augroup)
|
|
|
7144 do_autocmd((char_u *)"", TRUE);
|
|
|
7145 ga_clear_strings(&augroups);
|
|
|
7146 }
|
|
|
7147 #endif
|
|
|
7148
|
|
7
|
7149 /*
|
|
|
7150 * Return the event number for event name "start".
|
|
|
7151 * Return NUM_EVENTS if the event name was not found.
|
|
|
7152 * Return a pointer to the next event name in "end".
|
|
|
7153 */
|
|
|
7154 static EVENT_T
|
|
|
7155 event_name2nr(start, end)
|
|
|
7156 char_u *start;
|
|
|
7157 char_u **end;
|
|
|
7158 {
|
|
|
7159 char_u *p;
|
|
|
7160 int i;
|
|
|
7161 int len;
|
|
|
7162
|
|
|
7163 /* the event name ends with end of line, a blank or a comma */
|
|
|
7164 for (p = start; *p && !vim_iswhite(*p) && *p != ','; ++p)
|
|
|
7165 ;
|
|
|
7166 for (i = 0; event_names[i].name != NULL; ++i)
|
|
|
7167 {
|
|
|
7168 len = (int)STRLEN(event_names[i].name);
|
|
|
7169 if (len == p - start && STRNICMP(event_names[i].name, start, len) == 0)
|
|
|
7170 break;
|
|
|
7171 }
|
|
|
7172 if (*p == ',')
|
|
|
7173 ++p;
|
|
|
7174 *end = p;
|
|
|
7175 if (event_names[i].name == NULL)
|
|
|
7176 return NUM_EVENTS;
|
|
|
7177 return event_names[i].event;
|
|
|
7178 }
|
|
|
7179
|
|
|
7180 /*
|
|
|
7181 * Return the name for event "event".
|
|
|
7182 */
|
|
|
7183 static char_u *
|
|
|
7184 event_nr2name(event)
|
|
|
7185 EVENT_T event;
|
|
|
7186 {
|
|
|
7187 int i;
|
|
|
7188
|
|
|
7189 for (i = 0; event_names[i].name != NULL; ++i)
|
|
|
7190 if (event_names[i].event == event)
|
|
|
7191 return (char_u *)event_names[i].name;
|
|
|
7192 return (char_u *)"Unknown";
|
|
|
7193 }
|
|
|
7194
|
|
|
7195 /*
|
|
|
7196 * Scan over the events. "*" stands for all events.
|
|
|
7197 */
|
|
|
7198 static char_u *
|
|
|
7199 find_end_event(arg, have_group)
|
|
|
7200 char_u *arg;
|
|
|
7201 int have_group; /* TRUE when group name was found */
|
|
|
7202 {
|
|
|
7203 char_u *pat;
|
|
|
7204 char_u *p;
|
|
|
7205
|
|
|
7206 if (*arg == '*')
|
|
|
7207 {
|
|
|
7208 if (arg[1] && !vim_iswhite(arg[1]))
|
|
|
7209 {
|
|
|
7210 EMSG2(_("E215: Illegal character after *: %s"), arg);
|
|
|
7211 return NULL;
|
|
|
7212 }
|
|
|
7213 pat = arg + 1;
|
|
|
7214 }
|
|
|
7215 else
|
|
|
7216 {
|
|
|
7217 for (pat = arg; *pat && !vim_iswhite(*pat); pat = p)
|
|
|
7218 {
|
|
|
7219 if ((int)event_name2nr(pat, &p) >= (int)NUM_EVENTS)
|
|
|
7220 {
|
|
|
7221 if (have_group)
|
|
|
7222 EMSG2(_("E216: No such event: %s"), pat);
|
|
|
7223 else
|
|
|
7224 EMSG2(_("E216: No such group or event: %s"), pat);
|
|
|
7225 return NULL;
|
|
|
7226 }
|
|
|
7227 }
|
|
|
7228 }
|
|
|
7229 return pat;
|
|
|
7230 }
|
|
|
7231
|
|
|
7232 /*
|
|
|
7233 * Return TRUE if "event" is included in 'eventignore'.
|
|
|
7234 */
|
|
|
7235 static int
|
|
|
7236 event_ignored(event)
|
|
|
7237 EVENT_T event;
|
|
|
7238 {
|
|
|
7239 char_u *p = p_ei;
|
|
|
7240
|
|
|
7241 if (STRICMP(p_ei, "all") == 0)
|
|
|
7242 return TRUE;
|
|
|
7243
|
|
|
7244 while (*p)
|
|
|
7245 if (event_name2nr(p, &p) == event)
|
|
|
7246 return TRUE;
|
|
|
7247
|
|
|
7248 return FALSE;
|
|
|
7249 }
|
|
|
7250
|
|
|
7251 /*
|
|
|
7252 * Return OK when the contents of p_ei is valid, FAIL otherwise.
|
|
|
7253 */
|
|
|
7254 int
|
|
|
7255 check_ei()
|
|
|
7256 {
|
|
|
7257 char_u *p = p_ei;
|
|
|
7258
|
|
|
7259 if (STRICMP(p_ei, "all") == 0)
|
|
|
7260 return OK;
|
|
|
7261
|
|
|
7262 while (*p)
|
|
|
7263 if (event_name2nr(p, &p) == NUM_EVENTS)
|
|
|
7264 return FAIL;
|
|
|
7265
|
|
|
7266 return OK;
|
|
|
7267 }
|
|
|
7268
|
|
123
|
7269 # if defined(FEAT_SYN_HL) || defined(PROTO)
|
|
|
7270
|
|
|
7271 /*
|
|
|
7272 * Add "what" to 'eventignore' to skip loading syntax highlighting for every
|
|
|
7273 * buffer loaded into the window. "what" must start with a comma.
|
|
|
7274 * Returns the old value of 'eventignore' in allocated memory.
|
|
|
7275 */
|
|
|
7276 char_u *
|
|
|
7277 au_event_disable(what)
|
|
|
7278 char *what;
|
|
|
7279 {
|
|
|
7280 char_u *new_ei;
|
|
|
7281 char_u *save_ei;
|
|
|
7282
|
|
|
7283 save_ei = vim_strsave(p_ei);
|
|
|
7284 if (save_ei != NULL)
|
|
|
7285 {
|
|
557
|
7286 new_ei = vim_strnsave(p_ei, (int)(STRLEN(p_ei) + STRLEN(what)));
|
|
123
|
7287 if (new_ei != NULL)
|
|
|
7288 {
|
|
|
7289 STRCAT(new_ei, what);
|
|
|
7290 set_string_option_direct((char_u *)"ei", -1, new_ei, OPT_FREE);
|
|
|
7291 vim_free(new_ei);
|
|
|
7292 }
|
|
|
7293 }
|
|
|
7294 return save_ei;
|
|
|
7295 }
|
|
|
7296
|
|
|
7297 void
|
|
|
7298 au_event_restore(old_ei)
|
|
|
7299 char_u *old_ei;
|
|
|
7300 {
|
|
|
7301 if (old_ei != NULL)
|
|
|
7302 {
|
|
|
7303 set_string_option_direct((char_u *)"ei", -1, old_ei, OPT_FREE);
|
|
|
7304 vim_free(old_ei);
|
|
|
7305 }
|
|
|
7306 }
|
|
|
7307 # endif /* FEAT_SYN_HL */
|
|
|
7308
|
|
7
|
7309 /*
|
|
|
7310 * do_autocmd() -- implements the :autocmd command. Can be used in the
|
|
|
7311 * following ways:
|
|
|
7312 *
|
|
|
7313 * :autocmd <event> <pat> <cmd> Add <cmd> to the list of commands that
|
|
|
7314 * will be automatically executed for <event>
|
|
|
7315 * when editing a file matching <pat>, in
|
|
|
7316 * the current group.
|
|
|
7317 * :autocmd <event> <pat> Show the auto-commands associated with
|
|
|
7318 * <event> and <pat>.
|
|
|
7319 * :autocmd <event> Show the auto-commands associated with
|
|
|
7320 * <event>.
|
|
|
7321 * :autocmd Show all auto-commands.
|
|
|
7322 * :autocmd! <event> <pat> <cmd> Remove all auto-commands associated with
|
|
|
7323 * <event> and <pat>, and add the command
|
|
|
7324 * <cmd>, for the current group.
|
|
|
7325 * :autocmd! <event> <pat> Remove all auto-commands associated with
|
|
|
7326 * <event> and <pat> for the current group.
|
|
|
7327 * :autocmd! <event> Remove all auto-commands associated with
|
|
|
7328 * <event> for the current group.
|
|
|
7329 * :autocmd! Remove ALL auto-commands for the current
|
|
|
7330 * group.
|
|
|
7331 *
|
|
|
7332 * Multiple events and patterns may be given separated by commas. Here are
|
|
|
7333 * some examples:
|
|
|
7334 * :autocmd bufread,bufenter *.c,*.h set tw=0 smartindent noic
|
|
|
7335 * :autocmd bufleave * set tw=79 nosmartindent ic infercase
|
|
|
7336 *
|
|
|
7337 * :autocmd * *.c show all autocommands for *.c files.
|
|
|
7338 */
|
|
|
7339 void
|
|
|
7340 do_autocmd(arg, forceit)
|
|
|
7341 char_u *arg;
|
|
|
7342 int forceit;
|
|
|
7343 {
|
|
|
7344 char_u *pat;
|
|
|
7345 char_u *envpat = NULL;
|
|
|
7346 char_u *cmd;
|
|
|
7347 EVENT_T event;
|
|
|
7348 int need_free = FALSE;
|
|
|
7349 int nested = FALSE;
|
|
|
7350 int group;
|
|
|
7351
|
|
|
7352 /*
|
|
|
7353 * Check for a legal group name. If not, use AUGROUP_ALL.
|
|
|
7354 */
|
|
|
7355 group = au_get_grouparg(&arg);
|
|
|
7356 if (arg == NULL) /* out of memory */
|
|
|
7357 return;
|
|
|
7358
|
|
|
7359 /*
|
|
|
7360 * Scan over the events.
|
|
|
7361 * If we find an illegal name, return here, don't do anything.
|
|
|
7362 */
|
|
|
7363 pat = find_end_event(arg, group != AUGROUP_ALL);
|
|
|
7364 if (pat == NULL)
|
|
|
7365 return;
|
|
|
7366
|
|
|
7367 /*
|
|
|
7368 * Scan over the pattern. Put a NUL at the end.
|
|
|
7369 */
|
|
|
7370 pat = skipwhite(pat);
|
|
|
7371 cmd = pat;
|
|
|
7372 while (*cmd && (!vim_iswhite(*cmd) || cmd[-1] == '\\'))
|
|
|
7373 cmd++;
|
|
|
7374 if (*cmd)
|
|
|
7375 *cmd++ = NUL;
|
|
|
7376
|
|
|
7377 /* Expand environment variables in the pattern. Set 'shellslash', we want
|
|
|
7378 * forward slashes here. */
|
|
|
7379 if (vim_strchr(pat, '$') != NULL || vim_strchr(pat, '~') != NULL)
|
|
|
7380 {
|
|
|
7381 #ifdef BACKSLASH_IN_FILENAME
|
|
|
7382 int p_ssl_save = p_ssl;
|
|
|
7383
|
|
|
7384 p_ssl = TRUE;
|
|
|
7385 #endif
|
|
|
7386 envpat = expand_env_save(pat);
|
|
|
7387 #ifdef BACKSLASH_IN_FILENAME
|
|
|
7388 p_ssl = p_ssl_save;
|
|
|
7389 #endif
|
|
|
7390 if (envpat != NULL)
|
|
|
7391 pat = envpat;
|
|
|
7392 }
|
|
|
7393
|
|
|
7394 /*
|
|
|
7395 * Check for "nested" flag.
|
|
|
7396 */
|
|
|
7397 cmd = skipwhite(cmd);
|
|
|
7398 if (*cmd != NUL && STRNCMP(cmd, "nested", 6) == 0 && vim_iswhite(cmd[6]))
|
|
|
7399 {
|
|
|
7400 nested = TRUE;
|
|
|
7401 cmd = skipwhite(cmd + 6);
|
|
|
7402 }
|
|
|
7403
|
|
|
7404 /*
|
|
|
7405 * Find the start of the commands.
|
|
|
7406 * Expand <sfile> in it.
|
|
|
7407 */
|
|
|
7408 if (*cmd != NUL)
|
|
|
7409 {
|
|
|
7410 cmd = expand_sfile(cmd);
|
|
|
7411 if (cmd == NULL) /* some error */
|
|
|
7412 return;
|
|
|
7413 need_free = TRUE;
|
|
|
7414 }
|
|
|
7415
|
|
|
7416 /*
|
|
|
7417 * Print header when showing autocommands.
|
|
|
7418 */
|
|
|
7419 if (!forceit && *cmd == NUL)
|
|
|
7420 {
|
|
|
7421 /* Highlight title */
|
|
|
7422 MSG_PUTS_TITLE(_("\n--- Auto-Commands ---"));
|
|
|
7423 }
|
|
|
7424
|
|
|
7425 /*
|
|
|
7426 * Loop over the events.
|
|
|
7427 */
|
|
|
7428 last_event = (EVENT_T)-1; /* for listing the event name */
|
|
|
7429 last_group = AUGROUP_ERROR; /* for listing the group name */
|
|
|
7430 if (*arg == '*' || *arg == NUL)
|
|
|
7431 {
|
|
|
7432 for (event = (EVENT_T)0; (int)event < (int)NUM_EVENTS;
|
|
|
7433 event = (EVENT_T)((int)event + 1))
|
|
|
7434 if (do_autocmd_event(event, pat,
|
|
|
7435 nested, cmd, forceit, group) == FAIL)
|
|
|
7436 break;
|
|
|
7437 }
|
|
|
7438 else
|
|
|
7439 {
|
|
|
7440 while (*arg && !vim_iswhite(*arg))
|
|
|
7441 if (do_autocmd_event(event_name2nr(arg, &arg), pat,
|
|
|
7442 nested, cmd, forceit, group) == FAIL)
|
|
|
7443 break;
|
|
|
7444 }
|
|
|
7445
|
|
|
7446 if (need_free)
|
|
|
7447 vim_free(cmd);
|
|
|
7448 vim_free(envpat);
|
|
|
7449 }
|
|
|
7450
|
|
|
7451 /*
|
|
|
7452 * Find the group ID in a ":autocmd" or ":doautocmd" argument.
|
|
|
7453 * The "argp" argument is advanced to the following argument.
|
|
|
7454 *
|
|
|
7455 * Returns the group ID, AUGROUP_ERROR for error (out of memory).
|
|
|
7456 */
|
|
|
7457 static int
|
|
|
7458 au_get_grouparg(argp)
|
|
|
7459 char_u **argp;
|
|
|
7460 {
|
|
|
7461 char_u *group_name;
|
|
|
7462 char_u *p;
|
|
|
7463 char_u *arg = *argp;
|
|
|
7464 int group = AUGROUP_ALL;
|
|
|
7465
|
|
|
7466 p = skiptowhite(arg);
|
|
|
7467 if (p > arg)
|
|
|
7468 {
|
|
|
7469 group_name = vim_strnsave(arg, (int)(p - arg));
|
|
|
7470 if (group_name == NULL) /* out of memory */
|
|
|
7471 return AUGROUP_ERROR;
|
|
|
7472 group = au_find_group(group_name);
|
|
|
7473 if (group == AUGROUP_ERROR)
|
|
|
7474 group = AUGROUP_ALL; /* no match, use all groups */
|
|
|
7475 else
|
|
|
7476 *argp = skipwhite(p); /* match, skip over group name */
|
|
|
7477 vim_free(group_name);
|
|
|
7478 }
|
|
|
7479 return group;
|
|
|
7480 }
|
|
|
7481
|
|
|
7482 /*
|
|
|
7483 * do_autocmd() for one event.
|
|
|
7484 * If *pat == NUL do for all patterns.
|
|
|
7485 * If *cmd == NUL show entries.
|
|
|
7486 * If forceit == TRUE delete entries.
|
|
|
7487 * If group is not AUGROUP_ALL, only use this group.
|
|
|
7488 */
|
|
|
7489 static int
|
|
|
7490 do_autocmd_event(event, pat, nested, cmd, forceit, group)
|
|
|
7491 EVENT_T event;
|
|
|
7492 char_u *pat;
|
|
|
7493 int nested;
|
|
|
7494 char_u *cmd;
|
|
|
7495 int forceit;
|
|
|
7496 int group;
|
|
|
7497 {
|
|
|
7498 AutoPat *ap;
|
|
|
7499 AutoPat **prev_ap;
|
|
|
7500 AutoCmd *ac;
|
|
|
7501 AutoCmd **prev_ac;
|
|
|
7502 int brace_level;
|
|
|
7503 char_u *endpat;
|
|
|
7504 int findgroup;
|
|
|
7505 int allgroups;
|
|
|
7506 int patlen;
|
|
40
|
7507 int is_buflocal;
|
|
|
7508 int buflocal_nr;
|
|
|
7509 char_u buflocal_pat[25]; /* for "<buffer=X>" */
|
|
7
|
7510
|
|
|
7511 if (group == AUGROUP_ALL)
|
|
|
7512 findgroup = current_augroup;
|
|
|
7513 else
|
|
|
7514 findgroup = group;
|
|
|
7515 allgroups = (group == AUGROUP_ALL && !forceit && *cmd == NUL);
|
|
|
7516
|
|
|
7517 /*
|
|
|
7518 * Show or delete all patterns for an event.
|
|
|
7519 */
|
|
|
7520 if (*pat == NUL)
|
|
|
7521 {
|
|
|
7522 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next)
|
|
|
7523 {
|
|
|
7524 if (forceit) /* delete the AutoPat, if it's in the current group */
|
|
|
7525 {
|
|
|
7526 if (ap->group == findgroup)
|
|
|
7527 au_remove_pat(ap);
|
|
|
7528 }
|
|
|
7529 else if (group == AUGROUP_ALL || ap->group == group)
|
|
|
7530 show_autocmd(ap, event);
|
|
|
7531 }
|
|
|
7532 }
|
|
|
7533
|
|
|
7534 /*
|
|
|
7535 * Loop through all the specified patterns.
|
|
|
7536 */
|
|
|
7537 for ( ; *pat; pat = (*endpat == ',' ? endpat + 1 : endpat))
|
|
|
7538 {
|
|
|
7539 /*
|
|
|
7540 * Find end of the pattern.
|
|
|
7541 * Watch out for a comma in braces, like "*.\{obj,o\}".
|
|
|
7542 */
|
|
|
7543 brace_level = 0;
|
|
|
7544 for (endpat = pat; *endpat && (*endpat != ',' || brace_level
|
|
|
7545 || endpat[-1] == '\\'); ++endpat)
|
|
|
7546 {
|
|
|
7547 if (*endpat == '{')
|
|
|
7548 brace_level++;
|
|
|
7549 else if (*endpat == '}')
|
|
|
7550 brace_level--;
|
|
|
7551 }
|
|
|
7552 if (pat == endpat) /* ignore single comma */
|
|
|
7553 continue;
|
|
|
7554 patlen = (int)(endpat - pat);
|
|
|
7555
|
|
|
7556 /*
|
|
40
|
7557 * detect special <buflocal[=X]> buffer-local patterns
|
|
|
7558 */
|
|
|
7559 is_buflocal = FALSE;
|
|
|
7560 buflocal_nr = 0;
|
|
|
7561
|
|
|
7562 if (patlen >= 7 && STRNCMP(pat, "<buffer", 7) == 0
|
|
|
7563 && pat[patlen - 1] == '>')
|
|
|
7564 {
|
|
|
7565 /* Error will be printed only for addition. printing and removing
|
|
|
7566 * will proceed silently. */
|
|
|
7567 is_buflocal = TRUE;
|
|
|
7568 if (patlen == 8)
|
|
|
7569 buflocal_nr = curbuf->b_fnum;
|
|
|
7570 else if (patlen > 9 && pat[7] == '=')
|
|
|
7571 {
|
|
|
7572 /* <buffer=abuf> */
|
|
|
7573 if (patlen == 13 && STRNICMP(pat, "<buffer=abuf>", 13))
|
|
|
7574 buflocal_nr = autocmd_bufnr;
|
|
|
7575 /* <buffer=123> */
|
|
|
7576 else if (skipdigits(pat + 8) == pat + patlen - 1)
|
|
|
7577 buflocal_nr = atoi((char *)pat + 8);
|
|
|
7578 }
|
|
|
7579 }
|
|
|
7580
|
|
|
7581 if (is_buflocal)
|
|
|
7582 {
|
|
|
7583 /* normalize pat into standard "<buffer>#N" form */
|
|
|
7584 sprintf((char *)buflocal_pat, "<buffer=%d>", buflocal_nr);
|
|
|
7585 pat = buflocal_pat; /* can modify pat and patlen */
|
|
|
7586 patlen = STRLEN(buflocal_pat); /* but not endpat */
|
|
|
7587 }
|
|
|
7588
|
|
|
7589 /*
|
|
7
|
7590 * Find AutoPat entries with this pattern.
|
|
|
7591 */
|
|
|
7592 prev_ap = &first_autopat[(int)event];
|
|
|
7593 while ((ap = *prev_ap) != NULL)
|
|
|
7594 {
|
|
|
7595 if (ap->pat != NULL)
|
|
|
7596 {
|
|
|
7597 /* Accept a pattern when:
|
|
|
7598 * - a group was specified and it's that group, or a group was
|
|
|
7599 * not specified and it's the current group, or a group was
|
|
|
7600 * not specified and we are listing
|
|
|
7601 * - the length of the pattern matches
|
|
40
|
7602 * - the pattern matches.
|
|
|
7603 * For <buffer[=X]>, this condition works because we normalize
|
|
|
7604 * all buffer-local patterns.
|
|
7
|
7605 */
|
|
|
7606 if ((allgroups || ap->group == findgroup)
|
|
|
7607 && ap->patlen == patlen
|
|
|
7608 && STRNCMP(pat, ap->pat, patlen) == 0)
|
|
|
7609 {
|
|
|
7610 /*
|
|
|
7611 * Remove existing autocommands.
|
|
|
7612 * If adding any new autocmd's for this AutoPat, don't
|
|
|
7613 * delete the pattern from the autopat list, append to
|
|
|
7614 * this list.
|
|
|
7615 */
|
|
|
7616 if (forceit)
|
|
|
7617 {
|
|
|
7618 if (*cmd != NUL && ap->next == NULL)
|
|
|
7619 {
|
|
|
7620 au_remove_cmds(ap);
|
|
|
7621 break;
|
|
|
7622 }
|
|
|
7623 au_remove_pat(ap);
|
|
|
7624 }
|
|
|
7625
|
|
|
7626 /*
|
|
40
|
7627 * Show autocmd's for this autopat, or buflocals <buffer=X>
|
|
7
|
7628 */
|
|
|
7629 else if (*cmd == NUL)
|
|
|
7630 show_autocmd(ap, event);
|
|
|
7631
|
|
|
7632 /*
|
|
|
7633 * Add autocmd to this autopat, if it's the last one.
|
|
|
7634 */
|
|
|
7635 else if (ap->next == NULL)
|
|
|
7636 break;
|
|
|
7637 }
|
|
|
7638 }
|
|
|
7639 prev_ap = &ap->next;
|
|
|
7640 }
|
|
|
7641
|
|
|
7642 /*
|
|
|
7643 * Add a new command.
|
|
|
7644 */
|
|
|
7645 if (*cmd != NUL)
|
|
|
7646 {
|
|
|
7647 /*
|
|
|
7648 * If the pattern we want to add a command to does appear at the
|
|
|
7649 * end of the list (or not is not in the list at all), add the
|
|
|
7650 * pattern at the end of the list.
|
|
|
7651 */
|
|
|
7652 if (ap == NULL)
|
|
|
7653 {
|
|
40
|
7654 /* refuse to add buffer-local ap if buffer number is invalid */
|
|
|
7655 if (is_buflocal && (buflocal_nr == 0
|
|
|
7656 || buflist_findnr(buflocal_nr) == NULL))
|
|
|
7657 {
|
|
|
7658 EMSGN(_("E680: <buffer=%d>: invalid buffer number "),
|
|
|
7659 buflocal_nr);
|
|
|
7660 return FAIL;
|
|
|
7661 }
|
|
|
7662
|
|
7
|
7663 ap = (AutoPat *)alloc((unsigned)sizeof(AutoPat));
|
|
|
7664 if (ap == NULL)
|
|
|
7665 return FAIL;
|
|
|
7666 ap->pat = vim_strnsave(pat, patlen);
|
|
|
7667 ap->patlen = patlen;
|
|
|
7668 if (ap->pat == NULL)
|
|
|
7669 {
|
|
|
7670 vim_free(ap);
|
|
|
7671 return FAIL;
|
|
|
7672 }
|
|
40
|
7673
|
|
|
7674 if (is_buflocal)
|
|
|
7675 {
|
|
|
7676 ap->buflocal_nr = buflocal_nr;
|
|
153
|
7677 ap->reg_prog = NULL;
|
|
40
|
7678 }
|
|
|
7679 else
|
|
7
|
7680 {
|
|
153
|
7681 char_u *reg_pat;
|
|
|
7682
|
|
40
|
7683 ap->buflocal_nr = 0;
|
|
153
|
7684 reg_pat = file_pat_to_reg_pat(pat, endpat,
|
|
40
|
7685 &ap->allow_dirs, TRUE);
|
|
153
|
7686 if (reg_pat != NULL)
|
|
|
7687 ap->reg_prog = vim_regcomp(reg_pat, RE_MAGIC);
|
|
355
|
7688 vim_free(reg_pat);
|
|
153
|
7689 if (reg_pat == NULL || ap->reg_prog == NULL)
|
|
40
|
7690 {
|
|
|
7691 vim_free(ap->pat);
|
|
|
7692 vim_free(ap);
|
|
|
7693 return FAIL;
|
|
|
7694 }
|
|
7
|
7695 }
|
|
|
7696 ap->cmds = NULL;
|
|
|
7697 *prev_ap = ap;
|
|
|
7698 ap->next = NULL;
|
|
|
7699 if (group == AUGROUP_ALL)
|
|
|
7700 ap->group = current_augroup;
|
|
|
7701 else
|
|
|
7702 ap->group = group;
|
|
|
7703 }
|
|
|
7704
|
|
|
7705 /*
|
|
|
7706 * Add the autocmd at the end of the AutoCmd list.
|
|
|
7707 */
|
|
|
7708 prev_ac = &(ap->cmds);
|
|
|
7709 while ((ac = *prev_ac) != NULL)
|
|
|
7710 prev_ac = &ac->next;
|
|
|
7711 ac = (AutoCmd *)alloc((unsigned)sizeof(AutoCmd));
|
|
|
7712 if (ac == NULL)
|
|
|
7713 return FAIL;
|
|
|
7714 ac->cmd = vim_strsave(cmd);
|
|
|
7715 #ifdef FEAT_EVAL
|
|
|
7716 ac->scriptID = current_SID;
|
|
|
7717 #endif
|
|
|
7718 if (ac->cmd == NULL)
|
|
|
7719 {
|
|
|
7720 vim_free(ac);
|
|
|
7721 return FAIL;
|
|
|
7722 }
|
|
|
7723 ac->next = NULL;
|
|
|
7724 *prev_ac = ac;
|
|
|
7725 ac->nested = nested;
|
|
|
7726 }
|
|
|
7727 }
|
|
|
7728
|
|
|
7729 au_cleanup(); /* may really delete removed patterns/commands now */
|
|
|
7730 return OK;
|
|
|
7731 }
|
|
|
7732
|
|
|
7733 /*
|
|
|
7734 * Implementation of ":doautocmd [group] event [fname]".
|
|
|
7735 * Return OK for success, FAIL for failure;
|
|
|
7736 */
|
|
|
7737 int
|
|
|
7738 do_doautocmd(arg, do_msg)
|
|
|
7739 char_u *arg;
|
|
|
7740 int do_msg; /* give message for no matching autocmds? */
|
|
|
7741 {
|
|
|
7742 char_u *fname;
|
|
|
7743 int nothing_done = TRUE;
|
|
|
7744 int group;
|
|
|
7745
|
|
|
7746 /*
|
|
|
7747 * Check for a legal group name. If not, use AUGROUP_ALL.
|
|
|
7748 */
|
|
|
7749 group = au_get_grouparg(&arg);
|
|
|
7750 if (arg == NULL) /* out of memory */
|
|
|
7751 return FAIL;
|
|
|
7752
|
|
|
7753 if (*arg == '*')
|
|
|
7754 {
|
|
|
7755 EMSG(_("E217: Can't execute autocommands for ALL events"));
|
|
|
7756 return FAIL;
|
|
|
7757 }
|
|
|
7758
|
|
|
7759 /*
|
|
|
7760 * Scan over the events.
|
|
|
7761 * If we find an illegal name, return here, don't do anything.
|
|
|
7762 */
|
|
|
7763 fname = find_end_event(arg, group != AUGROUP_ALL);
|
|
|
7764 if (fname == NULL)
|
|
|
7765 return FAIL;
|
|
|
7766
|
|
|
7767 fname = skipwhite(fname);
|
|
|
7768
|
|
|
7769 /*
|
|
|
7770 * Loop over the events.
|
|
|
7771 */
|
|
|
7772 while (*arg && !vim_iswhite(*arg))
|
|
|
7773 if (apply_autocmds_group(event_name2nr(arg, &arg),
|
|
|
7774 fname, NULL, TRUE, group, curbuf, NULL))
|
|
|
7775 nothing_done = FALSE;
|
|
|
7776
|
|
|
7777 if (nothing_done && do_msg)
|
|
|
7778 MSG(_("No matching autocommands"));
|
|
|
7779
|
|
|
7780 #ifdef FEAT_EVAL
|
|
|
7781 return aborting() ? FAIL : OK;
|
|
|
7782 #else
|
|
|
7783 return OK;
|
|
|
7784 #endif
|
|
|
7785 }
|
|
|
7786
|
|
|
7787 /*
|
|
|
7788 * ":doautoall": execute autocommands for each loaded buffer.
|
|
|
7789 */
|
|
|
7790 void
|
|
|
7791 ex_doautoall(eap)
|
|
|
7792 exarg_T *eap;
|
|
|
7793 {
|
|
|
7794 int retval;
|
|
|
7795 aco_save_T aco;
|
|
|
7796 buf_T *buf;
|
|
|
7797
|
|
|
7798 /*
|
|
|
7799 * This is a bit tricky: For some commands curwin->w_buffer needs to be
|
|
|
7800 * equal to curbuf, but for some buffers there may not be a window.
|
|
|
7801 * So we change the buffer for the current window for a moment. This
|
|
|
7802 * gives problems when the autocommands make changes to the list of
|
|
|
7803 * buffers or windows...
|
|
|
7804 */
|
|
|
7805 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
|
|
|
7806 {
|
|
|
7807 if (curbuf->b_ml.ml_mfp != NULL)
|
|
|
7808 {
|
|
|
7809 /* find a window for this buffer and save some values */
|
|
|
7810 aucmd_prepbuf(&aco, buf);
|
|
|
7811
|
|
|
7812 /* execute the autocommands for this buffer */
|
|
|
7813 retval = do_doautocmd(eap->arg, FALSE);
|
|
23
|
7814 do_modelines(FALSE);
|
|
7
|
7815
|
|
|
7816 /* restore the current window */
|
|
|
7817 aucmd_restbuf(&aco);
|
|
|
7818
|
|
|
7819 /* stop if there is some error or buffer was deleted */
|
|
|
7820 if (retval == FAIL || !buf_valid(buf))
|
|
|
7821 break;
|
|
|
7822 }
|
|
|
7823 }
|
|
|
7824
|
|
|
7825 check_cursor(); /* just in case lines got deleted */
|
|
|
7826 }
|
|
|
7827
|
|
|
7828 /*
|
|
|
7829 * Prepare for executing autocommands for (hidden) buffer "buf".
|
|
|
7830 * Search a window for the current buffer. Save the cursor position and
|
|
|
7831 * screen offset.
|
|
|
7832 * Set "curbuf" and "curwin" to match "buf".
|
|
|
7833 */
|
|
|
7834 void
|
|
|
7835 aucmd_prepbuf(aco, buf)
|
|
|
7836 aco_save_T *aco; /* structure to save values in */
|
|
|
7837 buf_T *buf; /* new curbuf */
|
|
|
7838 {
|
|
|
7839 win_T *win;
|
|
|
7840
|
|
|
7841 aco->new_curbuf = buf;
|
|
|
7842
|
|
|
7843 /* Find a window that is for the new buffer */
|
|
|
7844 if (buf == curbuf) /* be quick when buf is curbuf */
|
|
|
7845 win = curwin;
|
|
|
7846 else
|
|
|
7847 #ifdef FEAT_WINDOWS
|
|
|
7848 for (win = firstwin; win != NULL; win = win->w_next)
|
|
|
7849 if (win->w_buffer == buf)
|
|
|
7850 break;
|
|
|
7851 #else
|
|
|
7852 win = NULL;
|
|
|
7853 #endif
|
|
|
7854
|
|
|
7855 /*
|
|
|
7856 * Prefer to use an existing window for the buffer, it has the least side
|
|
|
7857 * effects (esp. if "buf" is curbuf).
|
|
|
7858 * Otherwise, use curwin for "buf". It might make some items in the
|
|
|
7859 * window invalid. At least save the cursor and topline.
|
|
|
7860 */
|
|
|
7861 if (win != NULL)
|
|
|
7862 {
|
|
|
7863 /* there is a window for "buf", make it the curwin */
|
|
|
7864 aco->save_curwin = curwin;
|
|
|
7865 curwin = win;
|
|
|
7866 aco->save_buf = win->w_buffer;
|
|
|
7867 aco->new_curwin = win;
|
|
|
7868 }
|
|
|
7869 else
|
|
|
7870 {
|
|
|
7871 /* there is no window for "buf", use curwin */
|
|
|
7872 aco->save_curwin = NULL;
|
|
|
7873 aco->save_buf = curbuf;
|
|
|
7874 --curbuf->b_nwindows;
|
|
|
7875 curwin->w_buffer = buf;
|
|
|
7876 ++buf->b_nwindows;
|
|
|
7877
|
|
|
7878 /* save cursor and topline, set them to safe values */
|
|
|
7879 aco->save_cursor = curwin->w_cursor;
|
|
|
7880 curwin->w_cursor.lnum = 1;
|
|
|
7881 curwin->w_cursor.col = 0;
|
|
|
7882 aco->save_topline = curwin->w_topline;
|
|
|
7883 curwin->w_topline = 1;
|
|
|
7884 #ifdef FEAT_DIFF
|
|
|
7885 aco->save_topfill = curwin->w_topfill;
|
|
|
7886 curwin->w_topfill = 0;
|
|
|
7887 #endif
|
|
|
7888 }
|
|
|
7889
|
|
|
7890 curbuf = buf;
|
|
|
7891 }
|
|
|
7892
|
|
|
7893 /*
|
|
|
7894 * Cleanup after executing autocommands for a (hidden) buffer.
|
|
|
7895 * Restore the window as it was (if possible).
|
|
|
7896 */
|
|
|
7897 void
|
|
|
7898 aucmd_restbuf(aco)
|
|
|
7899 aco_save_T *aco; /* structure holding saved values */
|
|
|
7900 {
|
|
|
7901 if (aco->save_curwin != NULL)
|
|
|
7902 {
|
|
|
7903 /* restore curwin */
|
|
|
7904 #ifdef FEAT_WINDOWS
|
|
|
7905 if (win_valid(aco->save_curwin))
|
|
|
7906 #endif
|
|
|
7907 {
|
|
|
7908 /* restore the buffer which was previously edited by curwin, if
|
|
|
7909 * it's still the same window and it's valid */
|
|
|
7910 if (curwin == aco->new_curwin
|
|
|
7911 && buf_valid(aco->save_buf)
|
|
|
7912 && aco->save_buf->b_ml.ml_mfp != NULL)
|
|
|
7913 {
|
|
|
7914 --curbuf->b_nwindows;
|
|
|
7915 curbuf = aco->save_buf;
|
|
|
7916 curwin->w_buffer = curbuf;
|
|
|
7917 ++curbuf->b_nwindows;
|
|
|
7918 }
|
|
|
7919
|
|
|
7920 curwin = aco->save_curwin;
|
|
|
7921 curbuf = curwin->w_buffer;
|
|
|
7922 }
|
|
|
7923 }
|
|
|
7924 else
|
|
|
7925 {
|
|
|
7926 /* restore buffer for curwin if it still exists and is loaded */
|
|
|
7927 if (buf_valid(aco->save_buf) && aco->save_buf->b_ml.ml_mfp != NULL)
|
|
|
7928 {
|
|
|
7929 --curbuf->b_nwindows;
|
|
|
7930 curbuf = aco->save_buf;
|
|
|
7931 curwin->w_buffer = curbuf;
|
|
|
7932 ++curbuf->b_nwindows;
|
|
|
7933 curwin->w_cursor = aco->save_cursor;
|
|
|
7934 check_cursor();
|
|
|
7935 /* check topline < line_count, in case lines got deleted */
|
|
|
7936 if (aco->save_topline <= curbuf->b_ml.ml_line_count)
|
|
|
7937 {
|
|
|
7938 curwin->w_topline = aco->save_topline;
|
|
|
7939 #ifdef FEAT_DIFF
|
|
|
7940 curwin->w_topfill = aco->save_topfill;
|
|
|
7941 #endif
|
|
|
7942 }
|
|
|
7943 else
|
|
|
7944 {
|
|
|
7945 curwin->w_topline = curbuf->b_ml.ml_line_count;
|
|
|
7946 #ifdef FEAT_DIFF
|
|
|
7947 curwin->w_topfill = 0;
|
|
|
7948 #endif
|
|
|
7949 }
|
|
|
7950 }
|
|
|
7951 }
|
|
|
7952 }
|
|
|
7953
|
|
|
7954 static int autocmd_nested = FALSE;
|
|
|
7955
|
|
|
7956 /*
|
|
|
7957 * Execute autocommands for "event" and file name "fname".
|
|
|
7958 * Return TRUE if some commands were executed.
|
|
|
7959 */
|
|
|
7960 int
|
|
|
7961 apply_autocmds(event, fname, fname_io, force, buf)
|
|
|
7962 EVENT_T event;
|
|
|
7963 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
7964 char_u *fname_io; /* fname to use for <afile> on cmdline */
|
|
|
7965 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
7966 buf_T *buf; /* buffer for <abuf> */
|
|
|
7967 {
|
|
|
7968 return apply_autocmds_group(event, fname, fname_io, force,
|
|
|
7969 AUGROUP_ALL, buf, NULL);
|
|
|
7970 }
|
|
|
7971
|
|
|
7972 /*
|
|
|
7973 * Like apply_autocmds(), but with extra "eap" argument. This takes care of
|
|
|
7974 * setting v:filearg.
|
|
|
7975 */
|
|
|
7976 static int
|
|
|
7977 apply_autocmds_exarg(event, fname, fname_io, force, buf, eap)
|
|
|
7978 EVENT_T event;
|
|
|
7979 char_u *fname;
|
|
|
7980 char_u *fname_io;
|
|
|
7981 int force;
|
|
|
7982 buf_T *buf;
|
|
|
7983 exarg_T *eap;
|
|
|
7984 {
|
|
|
7985 return apply_autocmds_group(event, fname, fname_io, force,
|
|
|
7986 AUGROUP_ALL, buf, eap);
|
|
|
7987 }
|
|
|
7988
|
|
|
7989 /*
|
|
|
7990 * Like apply_autocmds(), but handles the caller's retval. If the script
|
|
|
7991 * processing is being aborted or if retval is FAIL when inside a try
|
|
|
7992 * conditional, no autocommands are executed. If otherwise the autocommands
|
|
|
7993 * cause the script to be aborted, retval is set to FAIL.
|
|
|
7994 */
|
|
|
7995 int
|
|
|
7996 apply_autocmds_retval(event, fname, fname_io, force, buf, retval)
|
|
|
7997 EVENT_T event;
|
|
|
7998 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
7999 char_u *fname_io; /* fname to use for <afile> on cmdline */
|
|
|
8000 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
8001 buf_T *buf; /* buffer for <abuf> */
|
|
|
8002 int *retval; /* pointer to caller's retval */
|
|
|
8003 {
|
|
|
8004 int did_cmd;
|
|
|
8005
|
|
532
|
8006 #ifdef FEAT_EVAL
|
|
7
|
8007 if (should_abort(*retval))
|
|
|
8008 return FALSE;
|
|
532
|
8009 #endif
|
|
7
|
8010
|
|
|
8011 did_cmd = apply_autocmds_group(event, fname, fname_io, force,
|
|
|
8012 AUGROUP_ALL, buf, NULL);
|
|
532
|
8013 if (did_cmd
|
|
|
8014 #ifdef FEAT_EVAL
|
|
|
8015 && aborting()
|
|
|
8016 #endif
|
|
|
8017 )
|
|
7
|
8018 *retval = FAIL;
|
|
|
8019 return did_cmd;
|
|
|
8020 }
|
|
|
8021
|
|
|
8022 #if defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
|
8023 int
|
|
|
8024 has_cursorhold()
|
|
|
8025 {
|
|
|
8026 return (first_autopat[(int)EVENT_CURSORHOLD] != NULL);
|
|
|
8027 }
|
|
|
8028 #endif
|
|
|
8029
|
|
|
8030 static int
|
|
|
8031 apply_autocmds_group(event, fname, fname_io, force, group, buf, eap)
|
|
|
8032 EVENT_T event;
|
|
|
8033 char_u *fname; /* NULL or empty means use actual file name */
|
|
|
8034 char_u *fname_io; /* fname to use for <afile> on cmdline, NULL means
|
|
|
8035 use fname */
|
|
|
8036 int force; /* when TRUE, ignore autocmd_busy */
|
|
|
8037 int group; /* group ID, or AUGROUP_ALL */
|
|
|
8038 buf_T *buf; /* buffer for <abuf> */
|
|
|
8039 exarg_T *eap; /* command arguments */
|
|
|
8040 {
|
|
|
8041 char_u *sfname = NULL; /* short file name */
|
|
|
8042 char_u *tail;
|
|
|
8043 int save_changed;
|
|
|
8044 buf_T *old_curbuf;
|
|
|
8045 int retval = FALSE;
|
|
|
8046 char_u *save_sourcing_name;
|
|
|
8047 linenr_T save_sourcing_lnum;
|
|
|
8048 char_u *save_autocmd_fname;
|
|
|
8049 int save_autocmd_bufnr;
|
|
|
8050 char_u *save_autocmd_match;
|
|
|
8051 int save_autocmd_busy;
|
|
|
8052 int save_autocmd_nested;
|
|
|
8053 static int nesting = 0;
|
|
|
8054 AutoPatCmd patcmd;
|
|
|
8055 AutoPat *ap;
|
|
|
8056 #ifdef FEAT_EVAL
|
|
|
8057 scid_T save_current_SID;
|
|
|
8058 void *save_funccalp;
|
|
|
8059 char_u *save_cmdarg;
|
|
|
8060 long save_cmdbang;
|
|
|
8061 #endif
|
|
|
8062 static int filechangeshell_busy = FALSE;
|
|
170
|
8063 #ifdef FEAT_PROFILE
|
|
|
8064 proftime_T wait_time;
|
|
|
8065 #endif
|
|
7
|
8066
|
|
|
8067 /*
|
|
|
8068 * Quickly return if there are no autocommands for this event or
|
|
|
8069 * autocommands are blocked.
|
|
|
8070 */
|
|
|
8071 if (first_autopat[(int)event] == NULL || autocmd_block > 0)
|
|
40
|
8072 goto BYPASS_AU;
|
|
7
|
8073
|
|
|
8074 /*
|
|
|
8075 * When autocommands are busy, new autocommands are only executed when
|
|
|
8076 * explicitly enabled with the "nested" flag.
|
|
|
8077 */
|
|
|
8078 if (autocmd_busy && !(force || autocmd_nested))
|
|
40
|
8079 goto BYPASS_AU;
|
|
7
|
8080
|
|
|
8081 #ifdef FEAT_EVAL
|
|
|
8082 /*
|
|
|
8083 * Quickly return when immdediately aborting on error, or when an interrupt
|
|
|
8084 * occurred or an exception was thrown but not caught.
|
|
|
8085 */
|
|
|
8086 if (aborting())
|
|
40
|
8087 goto BYPASS_AU;
|
|
7
|
8088 #endif
|
|
|
8089
|
|
|
8090 /*
|
|
|
8091 * FileChangedShell never nests, because it can create an endless loop.
|
|
|
8092 */
|
|
|
8093 if (filechangeshell_busy && event == EVENT_FILECHANGEDSHELL)
|
|
40
|
8094 goto BYPASS_AU;
|
|
7
|
8095
|
|
|
8096 /*
|
|
|
8097 * Ignore events in 'eventignore'.
|
|
|
8098 */
|
|
|
8099 if (event_ignored(event))
|
|
40
|
8100 goto BYPASS_AU;
|
|
7
|
8101
|
|
|
8102 /*
|
|
|
8103 * Allow nesting of autocommands, but restrict the depth, because it's
|
|
|
8104 * possible to create an endless loop.
|
|
|
8105 */
|
|
|
8106 if (nesting == 10)
|
|
|
8107 {
|
|
|
8108 EMSG(_("E218: autocommand nesting too deep"));
|
|
40
|
8109 goto BYPASS_AU;
|
|
7
|
8110 }
|
|
|
8111
|
|
|
8112 /*
|
|
|
8113 * Check if these autocommands are disabled. Used when doing ":all" or
|
|
|
8114 * ":ball".
|
|
|
8115 */
|
|
|
8116 if ( (autocmd_no_enter
|
|
|
8117 && (event == EVENT_WINENTER || event == EVENT_BUFENTER))
|
|
|
8118 || (autocmd_no_leave
|
|
|
8119 && (event == EVENT_WINLEAVE || event == EVENT_BUFLEAVE)))
|
|
40
|
8120 goto BYPASS_AU;
|
|
7
|
8121
|
|
|
8122 /*
|
|
|
8123 * Save the autocmd_* variables and info about the current buffer.
|
|
|
8124 */
|
|
|
8125 save_autocmd_fname = autocmd_fname;
|
|
|
8126 save_autocmd_bufnr = autocmd_bufnr;
|
|
|
8127 save_autocmd_match = autocmd_match;
|
|
|
8128 save_autocmd_busy = autocmd_busy;
|
|
|
8129 save_autocmd_nested = autocmd_nested;
|
|
|
8130 save_changed = curbuf->b_changed;
|
|
|
8131 old_curbuf = curbuf;
|
|
|
8132
|
|
|
8133 /*
|
|
|
8134 * Set the file name to be used for <afile>.
|
|
|
8135 */
|
|
|
8136 if (fname_io == NULL)
|
|
|
8137 {
|
|
|
8138 if (fname != NULL && *fname != NUL)
|
|
|
8139 autocmd_fname = fname;
|
|
|
8140 else if (buf != NULL)
|
|
|
8141 autocmd_fname = buf->b_fname;
|
|
|
8142 else
|
|
|
8143 autocmd_fname = NULL;
|
|
|
8144 }
|
|
|
8145 else
|
|
|
8146 autocmd_fname = fname_io;
|
|
|
8147
|
|
|
8148 /*
|
|
|
8149 * Set the buffer number to be used for <abuf>.
|
|
|
8150 */
|
|
|
8151 if (buf == NULL)
|
|
|
8152 autocmd_bufnr = 0;
|
|
|
8153 else
|
|
|
8154 autocmd_bufnr = buf->b_fnum;
|
|
|
8155
|
|
|
8156 /*
|
|
|
8157 * When the file name is NULL or empty, use the file name of buffer "buf".
|
|
|
8158 * Always use the full path of the file name to match with, in case
|
|
|
8159 * "allow_dirs" is set.
|
|
|
8160 */
|
|
|
8161 if (fname == NULL || *fname == NUL)
|
|
|
8162 {
|
|
|
8163 if (buf == NULL)
|
|
|
8164 fname = NULL;
|
|
|
8165 else
|
|
|
8166 {
|
|
|
8167 #ifdef FEAT_SYN_HL
|
|
|
8168 if (event == EVENT_SYNTAX)
|
|
|
8169 fname = buf->b_p_syn;
|
|
|
8170 else
|
|
|
8171 #endif
|
|
|
8172 if (event == EVENT_FILETYPE)
|
|
|
8173 fname = buf->b_p_ft;
|
|
|
8174 else
|
|
|
8175 {
|
|
|
8176 if (buf->b_sfname != NULL)
|
|
|
8177 sfname = vim_strsave(buf->b_sfname);
|
|
|
8178 fname = buf->b_ffname;
|
|
|
8179 }
|
|
|
8180 }
|
|
|
8181 if (fname == NULL)
|
|
|
8182 fname = (char_u *)"";
|
|
|
8183 fname = vim_strsave(fname); /* make a copy, so we can change it */
|
|
|
8184 }
|
|
|
8185 else
|
|
|
8186 {
|
|
|
8187 sfname = vim_strsave(fname);
|
|
161
|
8188 /* Don't try expanding FileType, Syntax, WindowID or QuickFixCmd* */
|
|
|
8189 if (event == EVENT_FILETYPE
|
|
|
8190 || event == EVENT_SYNTAX
|
|
|
8191 || event == EVENT_REMOTEREPLY
|
|
|
8192 || event == EVENT_QUICKFIXCMDPRE
|
|
|
8193 || event == EVENT_QUICKFIXCMDPOST)
|
|
7
|
8194 fname = vim_strsave(fname);
|
|
|
8195 else
|
|
|
8196 fname = FullName_save(fname, FALSE);
|
|
|
8197 }
|
|
|
8198 if (fname == NULL) /* out of memory */
|
|
|
8199 {
|
|
|
8200 vim_free(sfname);
|
|
40
|
8201 retval = FALSE;
|
|
|
8202 goto BYPASS_AU;
|
|
7
|
8203 }
|
|
|
8204
|
|
|
8205 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8206 /*
|
|
|
8207 * Replace all backslashes with forward slashes. This makes the
|
|
|
8208 * autocommand patterns portable between Unix and MS-DOS.
|
|
|
8209 */
|
|
|
8210 if (sfname != NULL)
|
|
|
8211 forward_slash(sfname);
|
|
|
8212 forward_slash(fname);
|
|
|
8213 #endif
|
|
|
8214
|
|
|
8215 #ifdef VMS
|
|
|
8216 /* remove version for correct match */
|
|
|
8217 if (sfname != NULL)
|
|
|
8218 vms_remove_version(sfname);
|
|
|
8219 vms_remove_version(fname);
|
|
|
8220 #endif
|
|
|
8221
|
|
|
8222 /*
|
|
|
8223 * Set the name to be used for <amatch>.
|
|
|
8224 */
|
|
|
8225 autocmd_match = fname;
|
|
|
8226
|
|
|
8227
|
|
|
8228 /* Don't redraw while doing auto commands. */
|
|
|
8229 ++RedrawingDisabled;
|
|
|
8230 save_sourcing_name = sourcing_name;
|
|
|
8231 sourcing_name = NULL; /* don't free this one */
|
|
|
8232 save_sourcing_lnum = sourcing_lnum;
|
|
|
8233 sourcing_lnum = 0; /* no line number here */
|
|
|
8234
|
|
|
8235 #ifdef FEAT_EVAL
|
|
|
8236 save_current_SID = current_SID;
|
|
|
8237
|
|
170
|
8238 # ifdef FEAT_PROFILE
|
|
|
8239 if (do_profiling)
|
|
|
8240 prof_child_enter(&wait_time); /* doesn't count for the caller itself */
|
|
|
8241 # endif
|
|
|
8242
|
|
7
|
8243 /* Don't use local function variables, if called from a function */
|
|
|
8244 save_funccalp = save_funccal();
|
|
|
8245 #endif
|
|
|
8246
|
|
|
8247 /*
|
|
|
8248 * When starting to execute autocommands, save the search patterns.
|
|
|
8249 */
|
|
|
8250 if (!autocmd_busy)
|
|
|
8251 {
|
|
|
8252 save_search_patterns();
|
|
|
8253 saveRedobuff();
|
|
|
8254 did_filetype = keep_filetype;
|
|
|
8255 }
|
|
|
8256
|
|
|
8257 /*
|
|
|
8258 * Note that we are applying autocmds. Some commands need to know.
|
|
|
8259 */
|
|
|
8260 autocmd_busy = TRUE;
|
|
|
8261 filechangeshell_busy = (event == EVENT_FILECHANGEDSHELL);
|
|
|
8262 ++nesting; /* see matching decrement below */
|
|
|
8263
|
|
|
8264 /* Remember that FileType was triggered. Used for did_filetype(). */
|
|
|
8265 if (event == EVENT_FILETYPE)
|
|
|
8266 did_filetype = TRUE;
|
|
|
8267
|
|
|
8268 tail = gettail(fname);
|
|
|
8269
|
|
|
8270 /* Find first autocommand that matches */
|
|
|
8271 patcmd.curpat = first_autopat[(int)event];
|
|
|
8272 patcmd.nextcmd = NULL;
|
|
|
8273 patcmd.group = group;
|
|
|
8274 patcmd.fname = fname;
|
|
|
8275 patcmd.sfname = sfname;
|
|
|
8276 patcmd.tail = tail;
|
|
|
8277 patcmd.event = event;
|
|
40
|
8278 patcmd.arg_bufnr = autocmd_bufnr;
|
|
|
8279 patcmd.next = NULL;
|
|
7
|
8280 auto_next_pat(&patcmd, FALSE);
|
|
|
8281
|
|
|
8282 /* found one, start executing the autocommands */
|
|
|
8283 if (patcmd.curpat != NULL)
|
|
|
8284 {
|
|
40
|
8285 /* add to active_apc_list */
|
|
|
8286 patcmd.next = active_apc_list;
|
|
|
8287 active_apc_list = &patcmd;
|
|
|
8288
|
|
7
|
8289 #ifdef FEAT_EVAL
|
|
|
8290 /* set v:cmdarg (only when there is a matching pattern) */
|
|
|
8291 save_cmdbang = get_vim_var_nr(VV_CMDBANG);
|
|
|
8292 if (eap != NULL)
|
|
|
8293 {
|
|
|
8294 save_cmdarg = set_cmdarg(eap, NULL);
|
|
|
8295 set_vim_var_nr(VV_CMDBANG, (long)eap->forceit);
|
|
|
8296 }
|
|
|
8297 else
|
|
|
8298 save_cmdarg = NULL; /* avoid gcc warning */
|
|
|
8299 #endif
|
|
|
8300 retval = TRUE;
|
|
|
8301 /* mark the last pattern, to avoid an endless loop when more patterns
|
|
|
8302 * are added when executing autocommands */
|
|
|
8303 for (ap = patcmd.curpat; ap->next != NULL; ap = ap->next)
|
|
|
8304 ap->last = FALSE;
|
|
|
8305 ap->last = TRUE;
|
|
|
8306 check_lnums(TRUE); /* make sure cursor and topline are valid */
|
|
|
8307 do_cmdline(NULL, getnextac, (void *)&patcmd,
|
|
|
8308 DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
|
|
|
8309 #ifdef FEAT_EVAL
|
|
|
8310 if (eap != NULL)
|
|
|
8311 {
|
|
|
8312 (void)set_cmdarg(NULL, save_cmdarg);
|
|
|
8313 set_vim_var_nr(VV_CMDBANG, save_cmdbang);
|
|
|
8314 }
|
|
|
8315 #endif
|
|
40
|
8316 /* delete from active_apc_list */
|
|
|
8317 if (active_apc_list == &patcmd) /* just in case */
|
|
|
8318 active_apc_list = patcmd.next;
|
|
7
|
8319 }
|
|
|
8320
|
|
|
8321 --RedrawingDisabled;
|
|
|
8322 autocmd_busy = save_autocmd_busy;
|
|
|
8323 filechangeshell_busy = FALSE;
|
|
|
8324 autocmd_nested = save_autocmd_nested;
|
|
|
8325 vim_free(sourcing_name);
|
|
|
8326 sourcing_name = save_sourcing_name;
|
|
|
8327 sourcing_lnum = save_sourcing_lnum;
|
|
|
8328 autocmd_fname = save_autocmd_fname;
|
|
|
8329 autocmd_bufnr = save_autocmd_bufnr;
|
|
|
8330 autocmd_match = save_autocmd_match;
|
|
|
8331 #ifdef FEAT_EVAL
|
|
|
8332 current_SID = save_current_SID;
|
|
|
8333 restore_funccal(save_funccalp);
|
|
170
|
8334 # ifdef FEAT_PROFILE
|
|
|
8335 if (do_profiling)
|
|
|
8336 prof_child_exit(&wait_time);
|
|
|
8337 # endif
|
|
7
|
8338 #endif
|
|
|
8339 vim_free(fname);
|
|
|
8340 vim_free(sfname);
|
|
|
8341 --nesting; /* see matching increment above */
|
|
|
8342
|
|
|
8343 /*
|
|
|
8344 * When stopping to execute autocommands, restore the search patterns and
|
|
|
8345 * the redo buffer.
|
|
|
8346 */
|
|
|
8347 if (!autocmd_busy)
|
|
|
8348 {
|
|
|
8349 restore_search_patterns();
|
|
|
8350 restoreRedobuff();
|
|
|
8351 did_filetype = FALSE;
|
|
|
8352 }
|
|
|
8353
|
|
|
8354 /*
|
|
|
8355 * Some events don't set or reset the Changed flag.
|
|
|
8356 * Check if still in the same buffer!
|
|
|
8357 */
|
|
|
8358 if (curbuf == old_curbuf
|
|
|
8359 && (event == EVENT_BUFREADPOST
|
|
|
8360 || event == EVENT_BUFWRITEPOST
|
|
|
8361 || event == EVENT_FILEAPPENDPOST
|
|
|
8362 || event == EVENT_VIMLEAVE
|
|
|
8363 || event == EVENT_VIMLEAVEPRE))
|
|
|
8364 {
|
|
|
8365 #ifdef FEAT_TITLE
|
|
|
8366 if (curbuf->b_changed != save_changed)
|
|
|
8367 need_maketitle = TRUE;
|
|
|
8368 #endif
|
|
|
8369 curbuf->b_changed = save_changed;
|
|
|
8370 }
|
|
|
8371
|
|
|
8372 au_cleanup(); /* may really delete removed patterns/commands now */
|
|
40
|
8373
|
|
|
8374 BYPASS_AU:
|
|
|
8375 /* When wiping out a buffer make sure all its buffer-local autocommands
|
|
|
8376 * are deleted. */
|
|
|
8377 if (event == EVENT_BUFWIPEOUT && buf != NULL)
|
|
|
8378 aubuflocal_remove(buf);
|
|
|
8379
|
|
7
|
8380 return retval;
|
|
|
8381 }
|
|
|
8382
|
|
|
8383 /*
|
|
|
8384 * Find next autocommand pattern that matches.
|
|
|
8385 */
|
|
|
8386 static void
|
|
|
8387 auto_next_pat(apc, stop_at_last)
|
|
|
8388 AutoPatCmd *apc;
|
|
|
8389 int stop_at_last; /* stop when 'last' flag is set */
|
|
|
8390 {
|
|
|
8391 AutoPat *ap;
|
|
|
8392 AutoCmd *cp;
|
|
|
8393 char_u *name;
|
|
|
8394 char *s;
|
|
|
8395
|
|
|
8396 vim_free(sourcing_name);
|
|
|
8397 sourcing_name = NULL;
|
|
|
8398
|
|
|
8399 for (ap = apc->curpat; ap != NULL && !got_int; ap = ap->next)
|
|
|
8400 {
|
|
|
8401 apc->curpat = NULL;
|
|
|
8402
|
|
|
8403 /* only use a pattern when it has not been removed, has commands and
|
|
40
|
8404 * the group matches. For buffer-local autocommands only check the
|
|
|
8405 * buffer number. */
|
|
7
|
8406 if (ap->pat != NULL && ap->cmds != NULL
|
|
|
8407 && (apc->group == AUGROUP_ALL || apc->group == ap->group))
|
|
|
8408 {
|
|
40
|
8409 /* execution-condition */
|
|
|
8410 if (ap->buflocal_nr == 0
|
|
153
|
8411 ? (match_file_pat(NULL, ap->reg_prog, apc->fname,
|
|
|
8412 apc->sfname, apc->tail, ap->allow_dirs))
|
|
40
|
8413 : ap->buflocal_nr == apc->arg_bufnr)
|
|
7
|
8414 {
|
|
|
8415 name = event_nr2name(apc->event);
|
|
|
8416 s = _("%s Auto commands for \"%s\"");
|
|
|
8417 sourcing_name = alloc((unsigned)(STRLEN(s)
|
|
|
8418 + STRLEN(name) + ap->patlen + 1));
|
|
|
8419 if (sourcing_name != NULL)
|
|
|
8420 {
|
|
|
8421 sprintf((char *)sourcing_name, s,
|
|
|
8422 (char *)name, (char *)ap->pat);
|
|
|
8423 if (p_verbose >= 8)
|
|
292
|
8424 {
|
|
|
8425 verbose_enter();
|
|
273
|
8426 smsg((char_u *)_("Executing %s"), sourcing_name);
|
|
292
|
8427 verbose_leave();
|
|
|
8428 }
|
|
7
|
8429 }
|
|
|
8430
|
|
|
8431 apc->curpat = ap;
|
|
|
8432 apc->nextcmd = ap->cmds;
|
|
|
8433 /* mark last command */
|
|
|
8434 for (cp = ap->cmds; cp->next != NULL; cp = cp->next)
|
|
|
8435 cp->last = FALSE;
|
|
|
8436 cp->last = TRUE;
|
|
|
8437 }
|
|
|
8438 line_breakcheck();
|
|
|
8439 if (apc->curpat != NULL) /* found a match */
|
|
|
8440 break;
|
|
|
8441 }
|
|
|
8442 if (stop_at_last && ap->last)
|
|
|
8443 break;
|
|
|
8444 }
|
|
|
8445 }
|
|
|
8446
|
|
|
8447 /*
|
|
|
8448 * Get next autocommand command.
|
|
|
8449 * Called by do_cmdline() to get the next line for ":if".
|
|
|
8450 * Returns allocated string, or NULL for end of autocommands.
|
|
|
8451 */
|
|
|
8452 /* ARGSUSED */
|
|
|
8453 static char_u *
|
|
|
8454 getnextac(c, cookie, indent)
|
|
|
8455 int c; /* not used */
|
|
|
8456 void *cookie;
|
|
|
8457 int indent; /* not used */
|
|
|
8458 {
|
|
|
8459 AutoPatCmd *acp = (AutoPatCmd *)cookie;
|
|
|
8460 char_u *retval;
|
|
|
8461 AutoCmd *ac;
|
|
|
8462
|
|
|
8463 /* Can be called again after returning the last line. */
|
|
|
8464 if (acp->curpat == NULL)
|
|
|
8465 return NULL;
|
|
|
8466
|
|
|
8467 /* repeat until we find an autocommand to execute */
|
|
|
8468 for (;;)
|
|
|
8469 {
|
|
|
8470 /* skip removed commands */
|
|
|
8471 while (acp->nextcmd != NULL && acp->nextcmd->cmd == NULL)
|
|
|
8472 if (acp->nextcmd->last)
|
|
|
8473 acp->nextcmd = NULL;
|
|
|
8474 else
|
|
|
8475 acp->nextcmd = acp->nextcmd->next;
|
|
|
8476
|
|
|
8477 if (acp->nextcmd != NULL)
|
|
|
8478 break;
|
|
|
8479
|
|
|
8480 /* at end of commands, find next pattern that matches */
|
|
|
8481 if (acp->curpat->last)
|
|
|
8482 acp->curpat = NULL;
|
|
|
8483 else
|
|
|
8484 acp->curpat = acp->curpat->next;
|
|
|
8485 if (acp->curpat != NULL)
|
|
|
8486 auto_next_pat(acp, TRUE);
|
|
|
8487 if (acp->curpat == NULL)
|
|
|
8488 return NULL;
|
|
|
8489 }
|
|
|
8490
|
|
|
8491 ac = acp->nextcmd;
|
|
|
8492
|
|
|
8493 if (p_verbose >= 9)
|
|
|
8494 {
|
|
292
|
8495 verbose_enter_scroll();
|
|
273
|
8496 smsg((char_u *)_("autocommand %s"), ac->cmd);
|
|
7
|
8497 msg_puts((char_u *)"\n"); /* don't overwrite this either */
|
|
292
|
8498 verbose_leave_scroll();
|
|
7
|
8499 }
|
|
|
8500 retval = vim_strsave(ac->cmd);
|
|
|
8501 autocmd_nested = ac->nested;
|
|
|
8502 #ifdef FEAT_EVAL
|
|
|
8503 current_SID = ac->scriptID;
|
|
|
8504 #endif
|
|
|
8505 if (ac->last)
|
|
|
8506 acp->nextcmd = NULL;
|
|
|
8507 else
|
|
|
8508 acp->nextcmd = ac->next;
|
|
|
8509 return retval;
|
|
|
8510 }
|
|
|
8511
|
|
|
8512 /*
|
|
|
8513 * Return TRUE if there is a matching autocommand for "fname".
|
|
40
|
8514 * To account for buffer-local autocommands, function needs to know
|
|
|
8515 * in which buffer the file will be opened.
|
|
7
|
8516 */
|
|
|
8517 int
|
|
40
|
8518 has_autocmd(event, sfname, buf)
|
|
7
|
8519 EVENT_T event;
|
|
|
8520 char_u *sfname;
|
|
40
|
8521 buf_T *buf;
|
|
7
|
8522 {
|
|
|
8523 AutoPat *ap;
|
|
|
8524 char_u *fname;
|
|
|
8525 char_u *tail = gettail(sfname);
|
|
|
8526 int retval = FALSE;
|
|
|
8527
|
|
|
8528 fname = FullName_save(sfname, FALSE);
|
|
|
8529 if (fname == NULL)
|
|
|
8530 return FALSE;
|
|
|
8531
|
|
|
8532 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8533 /*
|
|
|
8534 * Replace all backslashes with forward slashes. This makes the
|
|
|
8535 * autocommand patterns portable between Unix and MS-DOS.
|
|
|
8536 */
|
|
|
8537 sfname = vim_strsave(sfname);
|
|
|
8538 if (sfname != NULL)
|
|
|
8539 forward_slash(sfname);
|
|
|
8540 forward_slash(fname);
|
|
|
8541 #endif
|
|
|
8542
|
|
|
8543 for (ap = first_autopat[(int)event]; ap != NULL; ap = ap->next)
|
|
|
8544 if (ap->pat != NULL && ap->cmds != NULL
|
|
40
|
8545 && (ap->buflocal_nr == 0
|
|
153
|
8546 ? match_file_pat(NULL, ap->reg_prog,
|
|
|
8547 fname, sfname, tail, ap->allow_dirs)
|
|
40
|
8548 : buf != NULL && ap->buflocal_nr == buf->b_fnum
|
|
|
8549 ))
|
|
7
|
8550 {
|
|
|
8551 retval = TRUE;
|
|
|
8552 break;
|
|
|
8553 }
|
|
|
8554
|
|
|
8555 vim_free(fname);
|
|
|
8556 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8557 vim_free(sfname);
|
|
|
8558 #endif
|
|
|
8559
|
|
|
8560 return retval;
|
|
|
8561 }
|
|
|
8562
|
|
|
8563 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
|
|
|
8564 /*
|
|
|
8565 * Function given to ExpandGeneric() to obtain the list of autocommand group
|
|
|
8566 * names.
|
|
|
8567 */
|
|
|
8568 /*ARGSUSED*/
|
|
|
8569 char_u *
|
|
|
8570 get_augroup_name(xp, idx)
|
|
|
8571 expand_T *xp;
|
|
|
8572 int idx;
|
|
|
8573 {
|
|
|
8574 if (idx == augroups.ga_len) /* add "END" add the end */
|
|
|
8575 return (char_u *)"END";
|
|
|
8576 if (idx >= augroups.ga_len) /* end of list */
|
|
|
8577 return NULL;
|
|
|
8578 if (AUGROUP_NAME(idx) == NULL) /* skip deleted entries */
|
|
|
8579 return (char_u *)"";
|
|
|
8580 return AUGROUP_NAME(idx); /* return a name */
|
|
|
8581 }
|
|
|
8582
|
|
|
8583 static int include_groups = FALSE;
|
|
|
8584
|
|
|
8585 char_u *
|
|
|
8586 set_context_in_autocmd(xp, arg, doautocmd)
|
|
|
8587 expand_T *xp;
|
|
|
8588 char_u *arg;
|
|
|
8589 int doautocmd; /* TRUE for :doautocmd, FALSE for :autocmd */
|
|
|
8590 {
|
|
|
8591 char_u *p;
|
|
|
8592 int group;
|
|
|
8593
|
|
|
8594 /* check for a group name, skip it if present */
|
|
|
8595 include_groups = FALSE;
|
|
|
8596 p = arg;
|
|
|
8597 group = au_get_grouparg(&arg);
|
|
|
8598 if (group == AUGROUP_ERROR)
|
|
|
8599 return NULL;
|
|
|
8600 /* If there only is a group name that's what we expand. */
|
|
|
8601 if (*arg == NUL && group != AUGROUP_ALL && !vim_iswhite(arg[-1]))
|
|
|
8602 {
|
|
|
8603 arg = p;
|
|
|
8604 group = AUGROUP_ALL;
|
|
|
8605 }
|
|
|
8606
|
|
|
8607 /* skip over event name */
|
|
|
8608 for (p = arg; *p != NUL && !vim_iswhite(*p); ++p)
|
|
|
8609 if (*p == ',')
|
|
|
8610 arg = p + 1;
|
|
|
8611 if (*p == NUL)
|
|
|
8612 {
|
|
|
8613 if (group == AUGROUP_ALL)
|
|
|
8614 include_groups = TRUE;
|
|
|
8615 xp->xp_context = EXPAND_EVENTS; /* expand event name */
|
|
|
8616 xp->xp_pattern = arg;
|
|
|
8617 return NULL;
|
|
|
8618 }
|
|
|
8619
|
|
|
8620 /* skip over pattern */
|
|
|
8621 arg = skipwhite(p);
|
|
|
8622 while (*arg && (!vim_iswhite(*arg) || arg[-1] == '\\'))
|
|
|
8623 arg++;
|
|
|
8624 if (*arg)
|
|
|
8625 return arg; /* expand (next) command */
|
|
|
8626
|
|
|
8627 if (doautocmd)
|
|
|
8628 xp->xp_context = EXPAND_FILES; /* expand file names */
|
|
|
8629 else
|
|
|
8630 xp->xp_context = EXPAND_NOTHING; /* pattern is not expanded */
|
|
|
8631 return NULL;
|
|
|
8632 }
|
|
|
8633
|
|
|
8634 /*
|
|
|
8635 * Function given to ExpandGeneric() to obtain the list of event names.
|
|
|
8636 */
|
|
|
8637 /*ARGSUSED*/
|
|
|
8638 char_u *
|
|
|
8639 get_event_name(xp, idx)
|
|
|
8640 expand_T *xp;
|
|
|
8641 int idx;
|
|
|
8642 {
|
|
|
8643 if (idx < augroups.ga_len) /* First list group names, if wanted */
|
|
|
8644 {
|
|
|
8645 if (!include_groups || AUGROUP_NAME(idx) == NULL)
|
|
|
8646 return (char_u *)""; /* skip deleted entries */
|
|
|
8647 return AUGROUP_NAME(idx); /* return a name */
|
|
|
8648 }
|
|
|
8649 return (char_u *)event_names[idx - augroups.ga_len].name;
|
|
|
8650 }
|
|
|
8651
|
|
|
8652 #endif /* FEAT_CMDL_COMPL */
|
|
|
8653
|
|
|
8654 /*
|
|
|
8655 * Return TRUE if an autocommand is defined for "event" and "pattern".
|
|
40
|
8656 * "pattern" can be NULL to accept any pattern. Buffer-local patterns
|
|
|
8657 * <buffer> or <buffer=N> are accepted.
|
|
|
8658 * Used for exists("#Event#pat")
|
|
7
|
8659 */
|
|
|
8660 int
|
|
|
8661 au_exists(name, name_end, pattern)
|
|
|
8662 char_u *name;
|
|
|
8663 char_u *name_end;
|
|
|
8664 char_u *pattern;
|
|
|
8665 {
|
|
|
8666 char_u *event_name;
|
|
|
8667 char_u *p;
|
|
|
8668 EVENT_T event;
|
|
|
8669 AutoPat *ap;
|
|
40
|
8670 buf_T *buflocal_buf = NULL;
|
|
7
|
8671
|
|
|
8672 /* find the index (enum) for the event name */
|
|
|
8673 event_name = vim_strnsave(name, (int)(name_end - name));
|
|
|
8674 if (event_name == NULL)
|
|
|
8675 return FALSE;
|
|
|
8676 event = event_name2nr(event_name, &p);
|
|
|
8677 vim_free(event_name);
|
|
|
8678
|
|
|
8679 /* return FALSE if the event name is not recognized */
|
|
|
8680 if (event == NUM_EVENTS) /* unknown event name */
|
|
|
8681 return FALSE;
|
|
|
8682
|
|
|
8683 /* Find the first autocommand for this event.
|
|
|
8684 * If there isn't any, return FALSE;
|
|
|
8685 * If there is one and no pattern given, return TRUE; */
|
|
|
8686 ap = first_autopat[(int)event];
|
|
|
8687 if (ap == NULL)
|
|
|
8688 return FALSE;
|
|
|
8689 if (pattern == NULL)
|
|
|
8690 return TRUE;
|
|
|
8691
|
|
40
|
8692 /* if pattern is "<buffer>", special handling is needed which uses curbuf */
|
|
|
8693 /* for pattern "<buffer=N>, fnamecmp() will work fine */
|
|
|
8694 if (STRICMP(pattern, "<buffer>") == 0)
|
|
|
8695 buflocal_buf = curbuf;
|
|
|
8696
|
|
7
|
8697 /* Check if there is an autocommand with the given pattern. */
|
|
|
8698 for ( ; ap != NULL; ap = ap->next)
|
|
40
|
8699 /* only use a pattern when it has not been removed and has commands. */
|
|
|
8700 /* For buffer-local autocommands, fnamecmp() works fine. */
|
|
7
|
8701 if (ap->pat != NULL && ap->cmds != NULL
|
|
40
|
8702 && (buflocal_buf == NULL
|
|
|
8703 ? fnamecmp(ap->pat, pattern) == 0
|
|
|
8704 : ap->buflocal_nr == buflocal_buf->b_fnum))
|
|
7
|
8705 return TRUE;
|
|
|
8706
|
|
|
8707 return FALSE;
|
|
|
8708 }
|
|
40
|
8709
|
|
7
|
8710 #endif /* FEAT_AUTOCMD */
|
|
|
8711
|
|
|
8712 #if defined(FEAT_AUTOCMD) || defined(FEAT_WILDIGN) || defined(PROTO)
|
|
|
8713 /*
|
|
153
|
8714 * Try matching a filename with a "pattern" ("prog" is NULL), or use the
|
|
|
8715 * precompiled regprog "prog" ("pattern" is NULL). That avoids calling
|
|
|
8716 * vim_regcomp() often.
|
|
7
|
8717 * Used for autocommands and 'wildignore'.
|
|
|
8718 * Returns TRUE if there is a match, FALSE otherwise.
|
|
|
8719 */
|
|
|
8720 int
|
|
153
|
8721 match_file_pat(pattern, prog, fname, sfname, tail, allow_dirs)
|
|
7
|
8722 char_u *pattern; /* pattern to match with */
|
|
153
|
8723 regprog_T *prog; /* pre-compiled regprog or NULL */
|
|
7
|
8724 char_u *fname; /* full path of file name */
|
|
|
8725 char_u *sfname; /* short file name or NULL */
|
|
|
8726 char_u *tail; /* tail of path */
|
|
|
8727 int allow_dirs; /* allow matching with dir */
|
|
|
8728 {
|
|
|
8729 regmatch_T regmatch;
|
|
|
8730 int result = FALSE;
|
|
|
8731 #ifdef FEAT_OSFILETYPE
|
|
|
8732 int no_pattern = FALSE; /* TRUE if check is filetype only */
|
|
|
8733 char_u *type_start;
|
|
|
8734 char_u c;
|
|
|
8735 int match = FALSE;
|
|
|
8736 #endif
|
|
|
8737
|
|
|
8738 #ifdef CASE_INSENSITIVE_FILENAME
|
|
|
8739 regmatch.rm_ic = TRUE; /* Always ignore case */
|
|
|
8740 #else
|
|
|
8741 regmatch.rm_ic = FALSE; /* Don't ever ignore case */
|
|
|
8742 #endif
|
|
|
8743 #ifdef FEAT_OSFILETYPE
|
|
|
8744 if (*pattern == '<')
|
|
|
8745 {
|
|
|
8746 /* There is a filetype condition specified with this pattern.
|
|
|
8747 * Check the filetype matches first. If not, don't bother with the
|
|
|
8748 * pattern (set regprog to NULL).
|
|
|
8749 * Always use magic for the regexp.
|
|
|
8750 */
|
|
|
8751
|
|
|
8752 for (type_start = pattern + 1; (c = *pattern); pattern++)
|
|
|
8753 {
|
|
|
8754 if ((c == ';' || c == '>') && match == FALSE)
|
|
|
8755 {
|
|
|
8756 *pattern = NUL; /* Terminate the string */
|
|
|
8757 match = mch_check_filetype(fname, type_start);
|
|
|
8758 *pattern = c; /* Restore the terminator */
|
|
|
8759 type_start = pattern + 1;
|
|
|
8760 }
|
|
|
8761 if (c == '>')
|
|
|
8762 break;
|
|
|
8763 }
|
|
|
8764
|
|
|
8765 /* (c should never be NUL, but check anyway) */
|
|
|
8766 if (match == FALSE || c == NUL)
|
|
|
8767 regmatch.regprog = NULL; /* Doesn't match - don't check pat. */
|
|
|
8768 else if (*pattern == NUL)
|
|
|
8769 {
|
|
|
8770 regmatch.regprog = NULL; /* Vim will try to free regprog later */
|
|
|
8771 no_pattern = TRUE; /* Always matches - don't check pat. */
|
|
|
8772 }
|
|
|
8773 else
|
|
|
8774 regmatch.regprog = vim_regcomp(pattern + 1, RE_MAGIC);
|
|
|
8775 }
|
|
|
8776 else
|
|
|
8777 #endif
|
|
153
|
8778 {
|
|
|
8779 if (prog != NULL)
|
|
|
8780 regmatch.regprog = prog;
|
|
|
8781 else
|
|
|
8782 regmatch.regprog = vim_regcomp(pattern, RE_MAGIC);
|
|
|
8783 }
|
|
7
|
8784
|
|
|
8785 /*
|
|
|
8786 * Try for a match with the pattern with:
|
|
|
8787 * 1. the full file name, when the pattern has a '/'.
|
|
|
8788 * 2. the short file name, when the pattern has a '/'.
|
|
|
8789 * 3. the tail of the file name, when the pattern has no '/'.
|
|
|
8790 */
|
|
|
8791 if (
|
|
|
8792 #ifdef FEAT_OSFILETYPE
|
|
|
8793 /* If the check is for a filetype only and we don't care
|
|
|
8794 * about the path then skip all the regexp stuff.
|
|
|
8795 */
|
|
|
8796 no_pattern ||
|
|
|
8797 #endif
|
|
|
8798 (regmatch.regprog != NULL
|
|
|
8799 && ((allow_dirs
|
|
|
8800 && (vim_regexec(®match, fname, (colnr_T)0)
|
|
|
8801 || (sfname != NULL
|
|
|
8802 && vim_regexec(®match, sfname, (colnr_T)0))))
|
|
|
8803 || (!allow_dirs && vim_regexec(®match, tail, (colnr_T)0)))))
|
|
|
8804 result = TRUE;
|
|
|
8805
|
|
153
|
8806 if (prog == NULL)
|
|
|
8807 vim_free(regmatch.regprog);
|
|
7
|
8808 return result;
|
|
|
8809 }
|
|
|
8810 #endif
|
|
|
8811
|
|
|
8812 #if defined(FEAT_WILDIGN) || defined(PROTO)
|
|
|
8813 /*
|
|
|
8814 * Return TRUE if a file matches with a pattern in "list".
|
|
|
8815 * "list" is a comma-separated list of patterns, like 'wildignore'.
|
|
|
8816 * "sfname" is the short file name or NULL, "ffname" the long file name.
|
|
|
8817 */
|
|
|
8818 int
|
|
|
8819 match_file_list(list, sfname, ffname)
|
|
|
8820 char_u *list;
|
|
|
8821 char_u *sfname;
|
|
|
8822 char_u *ffname;
|
|
|
8823 {
|
|
|
8824 char_u buf[100];
|
|
|
8825 char_u *tail;
|
|
|
8826 char_u *regpat;
|
|
|
8827 char allow_dirs;
|
|
|
8828 int match;
|
|
|
8829 char_u *p;
|
|
|
8830
|
|
|
8831 tail = gettail(sfname);
|
|
|
8832
|
|
|
8833 /* try all patterns in 'wildignore' */
|
|
|
8834 p = list;
|
|
|
8835 while (*p)
|
|
|
8836 {
|
|
|
8837 copy_option_part(&p, buf, 100, ",");
|
|
|
8838 regpat = file_pat_to_reg_pat(buf, NULL, &allow_dirs, FALSE);
|
|
|
8839 if (regpat == NULL)
|
|
|
8840 break;
|
|
153
|
8841 match = match_file_pat(regpat, NULL, ffname, sfname,
|
|
|
8842 tail, (int)allow_dirs);
|
|
7
|
8843 vim_free(regpat);
|
|
|
8844 if (match)
|
|
|
8845 return TRUE;
|
|
|
8846 }
|
|
|
8847 return FALSE;
|
|
|
8848 }
|
|
|
8849 #endif
|
|
|
8850
|
|
|
8851 /*
|
|
|
8852 * Convert the given pattern "pat" which has shell style wildcards in it, into
|
|
|
8853 * a regular expression, and return the result in allocated memory. If there
|
|
|
8854 * is a directory path separator to be matched, then TRUE is put in
|
|
|
8855 * allow_dirs, otherwise FALSE is put there -- webb.
|
|
|
8856 * Handle backslashes before special characters, like "\*" and "\ ".
|
|
|
8857 *
|
|
|
8858 * If FEAT_OSFILETYPE defined then pass initial <type> through unchanged. Eg:
|
|
|
8859 * '<html>myfile' becomes '<html>^myfile$' -- leonard.
|
|
|
8860 *
|
|
|
8861 * Returns NULL when out of memory.
|
|
|
8862 */
|
|
|
8863 /*ARGSUSED*/
|
|
|
8864 char_u *
|
|
|
8865 file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash)
|
|
|
8866 char_u *pat;
|
|
|
8867 char_u *pat_end; /* first char after pattern or NULL */
|
|
|
8868 char *allow_dirs; /* Result passed back out in here */
|
|
|
8869 int no_bslash; /* Don't use a backward slash as pathsep */
|
|
|
8870 {
|
|
|
8871 int size;
|
|
|
8872 char_u *endp;
|
|
|
8873 char_u *reg_pat;
|
|
|
8874 char_u *p;
|
|
|
8875 int i;
|
|
|
8876 int nested = 0;
|
|
|
8877 int add_dollar = TRUE;
|
|
|
8878 #ifdef FEAT_OSFILETYPE
|
|
|
8879 int check_length = 0;
|
|
|
8880 #endif
|
|
|
8881
|
|
|
8882 if (allow_dirs != NULL)
|
|
|
8883 *allow_dirs = FALSE;
|
|
|
8884 if (pat_end == NULL)
|
|
|
8885 pat_end = pat + STRLEN(pat);
|
|
|
8886
|
|
|
8887 #ifdef FEAT_OSFILETYPE
|
|
|
8888 /* Find out how much of the string is the filetype check */
|
|
|
8889 if (*pat == '<')
|
|
|
8890 {
|
|
|
8891 /* Count chars until the next '>' */
|
|
|
8892 for (p = pat + 1; p < pat_end && *p != '>'; p++)
|
|
|
8893 ;
|
|
|
8894 if (p < pat_end)
|
|
|
8895 {
|
|
|
8896 /* Pattern is of the form <.*>.* */
|
|
|
8897 check_length = p - pat + 1;
|
|
|
8898 if (p + 1 >= pat_end)
|
|
|
8899 {
|
|
|
8900 /* The 'pattern' is a filetype check ONLY */
|
|
|
8901 reg_pat = (char_u *)alloc(check_length + 1);
|
|
|
8902 if (reg_pat != NULL)
|
|
|
8903 {
|
|
|
8904 mch_memmove(reg_pat, pat, (size_t)check_length);
|
|
|
8905 reg_pat[check_length] = NUL;
|
|
|
8906 }
|
|
|
8907 return reg_pat;
|
|
|
8908 }
|
|
|
8909 }
|
|
|
8910 /* else: there was no closing '>' - assume it was a normal pattern */
|
|
|
8911
|
|
|
8912 }
|
|
|
8913 pat += check_length;
|
|
|
8914 size = 2 + check_length;
|
|
|
8915 #else
|
|
|
8916 size = 2; /* '^' at start, '$' at end */
|
|
|
8917 #endif
|
|
|
8918
|
|
|
8919 for (p = pat; p < pat_end; p++)
|
|
|
8920 {
|
|
|
8921 switch (*p)
|
|
|
8922 {
|
|
|
8923 case '*':
|
|
|
8924 case '.':
|
|
|
8925 case ',':
|
|
|
8926 case '{':
|
|
|
8927 case '}':
|
|
|
8928 case '~':
|
|
|
8929 size += 2; /* extra backslash */
|
|
|
8930 break;
|
|
|
8931 #ifdef BACKSLASH_IN_FILENAME
|
|
|
8932 case '\\':
|
|
|
8933 case '/':
|
|
|
8934 size += 4; /* could become "[\/]" */
|
|
|
8935 break;
|
|
|
8936 #endif
|
|
|
8937 default:
|
|
|
8938 size++;
|
|
|
8939 # ifdef FEAT_MBYTE
|
|
474
|
8940 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1)
|
|
7
|
8941 {
|
|
|
8942 ++p;
|
|
|
8943 ++size;
|
|
|
8944 }
|
|
|
8945 # endif
|
|
|
8946 break;
|
|
|
8947 }
|
|
|
8948 }
|
|
|
8949 reg_pat = alloc(size + 1);
|
|
|
8950 if (reg_pat == NULL)
|
|
|
8951 return NULL;
|
|
|
8952
|
|
|
8953 #ifdef FEAT_OSFILETYPE
|
|
|
8954 /* Copy the type check in to the start. */
|
|
|
8955 if (check_length)
|
|
|
8956 mch_memmove(reg_pat, pat - check_length, (size_t)check_length);
|
|
|
8957 i = check_length;
|
|
|
8958 #else
|
|
|
8959 i = 0;
|
|
|
8960 #endif
|
|
|
8961
|
|
|
8962 if (pat[0] == '*')
|
|
|
8963 while (pat[0] == '*' && pat < pat_end - 1)
|
|
|
8964 pat++;
|
|
|
8965 else
|
|
|
8966 reg_pat[i++] = '^';
|
|
|
8967 endp = pat_end - 1;
|
|
|
8968 if (*endp == '*')
|
|
|
8969 {
|
|
|
8970 while (endp - pat > 0 && *endp == '*')
|
|
|
8971 endp--;
|
|
|
8972 add_dollar = FALSE;
|
|
|
8973 }
|
|
|
8974 for (p = pat; *p && nested >= 0 && p <= endp; p++)
|
|
|
8975 {
|
|
|
8976 switch (*p)
|
|
|
8977 {
|
|
|
8978 case '*':
|
|
|
8979 reg_pat[i++] = '.';
|
|
|
8980 reg_pat[i++] = '*';
|
|
444
|
8981 while (p[1] == '*') /* "**" matches like "*" */
|
|
|
8982 ++p;
|
|
7
|
8983 break;
|
|
|
8984 case '.':
|
|
|
8985 #ifdef RISCOS
|
|
|
8986 if (allow_dirs != NULL)
|
|
|
8987 *allow_dirs = TRUE;
|
|
|
8988 /* FALLTHROUGH */
|
|
|
8989 #endif
|
|
|
8990 case '~':
|
|
|
8991 reg_pat[i++] = '\\';
|
|
|
8992 reg_pat[i++] = *p;
|
|
|
8993 break;
|
|
|
8994 case '?':
|
|
|
8995 #ifdef RISCOS
|
|
|
8996 case '#':
|
|
|
8997 #endif
|
|
|
8998 reg_pat[i++] = '.';
|
|
|
8999 break;
|
|
|
9000 case '\\':
|
|
|
9001 if (p[1] == NUL)
|
|
|
9002 break;
|
|
|
9003 #ifdef BACKSLASH_IN_FILENAME
|
|
|
9004 if (!no_bslash)
|
|
|
9005 {
|
|
|
9006 /* translate:
|
|
|
9007 * "\x" to "\\x" e.g., "dir\file"
|
|
|
9008 * "\*" to "\\.*" e.g., "dir\*.c"
|
|
|
9009 * "\?" to "\\." e.g., "dir\??.c"
|
|
|
9010 * "\+" to "\+" e.g., "fileX\+.c"
|
|
|
9011 */
|
|
|
9012 if ((vim_isfilec(p[1]) || p[1] == '*' || p[1] == '?')
|
|
|
9013 && p[1] != '+')
|
|
|
9014 {
|
|
|
9015 reg_pat[i++] = '[';
|
|
|
9016 reg_pat[i++] = '\\';
|
|
|
9017 reg_pat[i++] = '/';
|
|
|
9018 reg_pat[i++] = ']';
|
|
|
9019 if (allow_dirs != NULL)
|
|
|
9020 *allow_dirs = TRUE;
|
|
|
9021 break;
|
|
|
9022 }
|
|
|
9023 }
|
|
|
9024 #endif
|
|
|
9025 if (*++p == '?'
|
|
|
9026 #ifdef BACKSLASH_IN_FILENAME
|
|
|
9027 && no_bslash
|
|
|
9028 #endif
|
|
|
9029 )
|
|
|
9030 reg_pat[i++] = '?';
|
|
|
9031 else
|
|
|
9032 if (*p == ',')
|
|
|
9033 reg_pat[i++] = ',';
|
|
|
9034 else
|
|
|
9035 {
|
|
|
9036 if (allow_dirs != NULL && vim_ispathsep(*p)
|
|
|
9037 #ifdef BACKSLASH_IN_FILENAME
|
|
|
9038 && (!no_bslash || *p != '\\')
|
|
|
9039 #endif
|
|
|
9040 )
|
|
|
9041 *allow_dirs = TRUE;
|
|
|
9042 reg_pat[i++] = '\\';
|
|
|
9043 reg_pat[i++] = *p;
|
|
|
9044 }
|
|
|
9045 break;
|
|
|
9046 #ifdef BACKSLASH_IN_FILENAME
|
|
|
9047 case '/':
|
|
|
9048 reg_pat[i++] = '[';
|
|
|
9049 reg_pat[i++] = '\\';
|
|
|
9050 reg_pat[i++] = '/';
|
|
|
9051 reg_pat[i++] = ']';
|
|
|
9052 if (allow_dirs != NULL)
|
|
|
9053 *allow_dirs = TRUE;
|
|
|
9054 break;
|
|
|
9055 #endif
|
|
|
9056 case '{':
|
|
|
9057 reg_pat[i++] = '\\';
|
|
|
9058 reg_pat[i++] = '(';
|
|
|
9059 nested++;
|
|
|
9060 break;
|
|
|
9061 case '}':
|
|
|
9062 reg_pat[i++] = '\\';
|
|
|
9063 reg_pat[i++] = ')';
|
|
|
9064 --nested;
|
|
|
9065 break;
|
|
|
9066 case ',':
|
|
|
9067 if (nested)
|
|
|
9068 {
|
|
|
9069 reg_pat[i++] = '\\';
|
|
|
9070 reg_pat[i++] = '|';
|
|
|
9071 }
|
|
|
9072 else
|
|
|
9073 reg_pat[i++] = ',';
|
|
|
9074 break;
|
|
|
9075 default:
|
|
|
9076 # ifdef FEAT_MBYTE
|
|
474
|
9077 if (enc_dbcs != 0 && (*mb_ptr2len)(p) > 1)
|
|
7
|
9078 reg_pat[i++] = *p++;
|
|
|
9079 else
|
|
|
9080 # endif
|
|
|
9081 if (allow_dirs != NULL && vim_ispathsep(*p))
|
|
|
9082 *allow_dirs = TRUE;
|
|
|
9083 reg_pat[i++] = *p;
|
|
|
9084 break;
|
|
|
9085 }
|
|
|
9086 }
|
|
|
9087 if (add_dollar)
|
|
|
9088 reg_pat[i++] = '$';
|
|
|
9089 reg_pat[i] = NUL;
|
|
|
9090 if (nested != 0)
|
|
|
9091 {
|
|
|
9092 if (nested < 0)
|
|
|
9093 EMSG(_("E219: Missing {."));
|
|
|
9094 else
|
|
|
9095 EMSG(_("E220: Missing }."));
|
|
|
9096 vim_free(reg_pat);
|
|
|
9097 reg_pat = NULL;
|
|
|
9098 }
|
|
|
9099 return reg_pat;
|
|
|
9100 }
|
