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annotate src/logfile.c @ 33591:288da62613ba v9.0.2040

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patch 9.0.2040: trim(): hard to use default mask Commit: https://github.com/vim/vim/commit/6e6386716f9494ae86027c6d34f657fd03dfec42 Author: Illia Bobyr <illia.bobyr@gmail.com> Date: Tue Oct 17 11:09:45 2023 +0200 patch 9.0.2040: trim(): hard to use default mask Problem: trim(): hard to use default mask Solution: Use default 'mask' when it is v:none The default 'mask' value is pretty complex, as it includes many characters. Yet, if one needs to specify the trimming direction, the third argument, 'trim()' currently requires the 'mask' value to be provided explicitly. 'v:none' is already used to mean "use the default argument value" in user defined functions. See |none-function_argument| in help. closes: #13363 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Illia Bobyr <illia.bobyr@gmail.com>
author Christian Brabandt <cb@256bit.org>
date Tue, 17 Oct 2023 11:15:09 +0200
parents 533e36e02a68
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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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 */
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8
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9 /*
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10 * Implements logging. Originally intended for the channel feature, which is
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11 * why the "ch_" prefix is used. Also useful for any kind of low-level and
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12 * async debugging.
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13 */
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14
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15 #include "vim.h"
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16
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17 #if defined(FEAT_EVAL) || defined(PROTO)
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18
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19 // Log file opened with ch_logfile().
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20 static FILE *log_fd = NULL;
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21 static char_u *log_name = NULL;
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22 #ifdef FEAT_RELTIME
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23 static proftime_T log_start;
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24 #endif
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25
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26 void
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27 ch_logfile(char_u *fname, char_u *opt)
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28 {
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29 FILE *file = NULL;
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30 char *mode = "a";
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31
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32 if (log_fd != NULL)
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33 {
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34 if (*fname != NUL)
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35 ch_log(NULL, "closing this logfile, opening %s", fname);
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36 else
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37 ch_log(NULL, "closing logfile %s", log_name);
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38 fclose(log_fd);
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39 }
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40
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41 // The "a" flag overrules the "w" flag.
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42 if (vim_strchr(opt, 'a') == NULL && vim_strchr(opt, 'w') != NULL)
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43 mode = "w";
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44 ch_log_output = vim_strchr(opt, 'o') != NULL ? LOG_ALWAYS : FALSE;
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45
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46 if (*fname != NUL)
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47 {
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48 file = fopen((char *)fname, mode);
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49 if (file == NULL)
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50 {
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51 semsg(_(e_cant_open_file_str), fname);
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52 return;
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53 }
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54 vim_free(log_name);
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55 log_name = vim_strsave(fname);
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56 }
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57 log_fd = file;
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58
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59 if (log_fd != NULL)
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60 {
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61 fprintf(log_fd, "==== start log session %s ====\n",
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62 get_ctime(time(NULL), FALSE));
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63 // flush now, if fork/exec follows it could be written twice
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64 fflush(log_fd);
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65 #ifdef FEAT_RELTIME
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66 profile_start(&log_start);
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67 #endif
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68 }
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69 }
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70
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71 int
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72 ch_log_active(void)
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73 {
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74 return log_fd != NULL;
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75 }
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76
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77 static void
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78 ch_log_lead(const char *what, channel_T *ch UNUSED, ch_part_T part UNUSED)
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79 {
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80 if (log_fd == NULL)
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81 return;
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82
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83 #ifdef FEAT_RELTIME
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84 proftime_T log_now;
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85
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86 profile_start(&log_now);
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87 profile_sub(&log_now, &log_start);
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88 fprintf(log_fd, "%s ", profile_msg(&log_now));
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89 #endif
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90 #ifdef FEAT_JOB_CHANNEL
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91 if (ch != NULL)
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92 {
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93 if (part < PART_COUNT)
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94 fprintf(log_fd, "%son %d(%s): ", what, ch->ch_id, ch_part_names[part]);
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95 else
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96 fprintf(log_fd, "%son %d: ", what, ch->ch_id);
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97 }
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98 else
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99 #endif
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100 fprintf(log_fd, "%s: ", what);
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101 }
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102
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103 #ifndef PROTO // prototype is in proto.h
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104 void
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105 ch_log(channel_T *ch, const char *fmt, ...)
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106 {
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107 if (log_fd == NULL)
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108 return;
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109
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110 va_list ap;
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111
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112 ch_log_lead("", ch, PART_COUNT);
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113 va_start(ap, fmt);
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114 vfprintf(log_fd, fmt, ap);
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115 va_end(ap);
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116 fputc('\n', log_fd);
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117 fflush(log_fd);
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118 did_repeated_msg = 0;
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119 }
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120
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121 void
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122 ch_error(channel_T *ch, const char *fmt, ...)
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123 {
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124 if (log_fd == NULL)
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125 return;
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126
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127 va_list ap;
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128
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129 ch_log_lead("ERR ", ch, PART_COUNT);
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130 va_start(ap, fmt);
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131 vfprintf(log_fd, fmt, ap);
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132 va_end(ap);
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133 fputc('\n', log_fd);
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134 fflush(log_fd);
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135 did_repeated_msg = 0;
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136 }
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137 #endif
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138
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139 #if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
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140 /*
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141 * Log a message "buf[len]" for channel "ch" part "part".
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142 * Only to be called when ch_log_active() returns TRUE.
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143 */
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144 void
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145 ch_log_literal(
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146 char *lead,
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147 channel_T *ch,
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148 ch_part_T part,
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149 char_u *buf,
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150 int len)
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151 {
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152 ch_log_lead(lead, ch, part);
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153 fprintf(log_fd, "'");
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154 vim_ignored = (int)fwrite(buf, len, 1, log_fd);
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155 fprintf(log_fd, "'\n");
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156 fflush(log_fd);
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157 }
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158 #endif
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159
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160 /*
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161 * "ch_log()" function
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162 */
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163 void
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164 f_ch_log(typval_T *argvars, typval_T *rettv UNUSED)
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165 {
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166 char_u *msg;
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167 channel_T *channel = NULL;
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168
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169 if (in_vim9script()
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170 && (check_for_string_arg(argvars, 0) == FAIL
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171 || check_for_opt_chan_or_job_arg(argvars, 1) == FAIL))
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172 return;
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173
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174 msg = tv_get_string(&argvars[0]);
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175 #if defined(FEAT_JOB_CHANNEL)
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176 if (argvars[1].v_type != VAR_UNKNOWN)
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177 channel = get_channel_arg(&argvars[1], FALSE, FALSE, 0);
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178 #endif
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179
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180 // Prepend "ch_log()" to make it easier to find these entries in the
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181 // logfile.
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182 ch_log(channel, "ch_log(): %s", msg);
31287
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183 }
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184
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185 /*
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186 * "ch_logfile()" function
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187 */
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188 void
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189 f_ch_logfile(typval_T *argvars, typval_T *rettv UNUSED)
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190 {
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191 char_u *fname;
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192 char_u *opt = (char_u *)"";
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193 char_u buf[NUMBUFLEN];
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194
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195 // Don't open a file in restricted mode.
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196 if (check_restricted() || check_secure())
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197 return;
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198
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199 if (in_vim9script()
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200 && (check_for_string_arg(argvars, 0) == FAIL
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201 || check_for_opt_string_arg(argvars, 1) == FAIL))
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202 return;
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203
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204 fname = tv_get_string(&argvars[0]);
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205 if (argvars[1].v_type == VAR_STRING)
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206 opt = tv_get_string_buf(&argvars[1], buf);
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207 ch_logfile(fname, opt);
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208 }
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209
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210 #endif // FEAT_EVAL