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