Mercurial > hg
annotate mcabber/src/utils.c @ 1367:cd0d63024923
Fix up split_arg()
Fix a small quoting issue.
author | Mikael Berthe <mikael@lilotux.net> |
---|---|
date | Wed, 14 Nov 2007 00:34:22 +0100 |
parents | 0562106d20c1 |
children | 366ef500c522 |
rev | line source |
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241 | 1 /* |
2 * utils.c -- Various utility functions | |
393 | 3 * |
1205 | 4 * Copyright (C) 2005-2007 Mikael Berthe <mikael@lilotux.net> |
241 | 5 * ut_* functions are derived from Cabber debug/log code. |
1361 | 6 * from_iso8601() comes from the Pidgin (libpurple) project. |
241 | 7 * |
8 * This program is free software; you can redistribute it and/or modify | |
9 * it under the terms of the GNU General Public License as published by | |
10 * the Free Software Foundation; either version 2 of the License, or (at | |
11 * your option) any later version. | |
12 * | |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 * General Public License for more details. | |
17 * | |
18 * You should have received a copy of the GNU General Public License | |
19 * along with this program; if not, write to the Free Software | |
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
21 * USA | |
22 */ | |
23 | |
24 | 24 #include <stdio.h> |
25 #include <stdlib.h> | |
77 | 26 #include <string.h> |
24 | 27 #include <stdarg.h> |
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28 |
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29 /* For Cygwin (thanks go to Yitzchak Scott-Thoennes) */ |
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30 #ifdef __CYGWIN__ |
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31 # define timezonevar |
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32 extern long timezone; |
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33 #endif |
24 | 34 #include <time.h> |
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35 #include <unistd.h> |
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36 #include <sys/types.h> |
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37 #include <sys/stat.h> |
452 | 38 #include <ctype.h> |
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39 #include <glib.h> |
24 | 40 |
241 | 41 #include <config.h> |
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42 #include "utils.h" |
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43 #include "logprint.h" |
241 | 44 |
76 | 45 static int DebugEnabled; |
77 | 46 static char *FName; |
24 | 47 |
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48 // expand_filename(filename) |
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49 // Expand "~/" with the $HOME env. variable in a file name. |
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50 // The caller must free the string after use. |
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51 char *expand_filename(const char *fname) |
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52 { |
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53 if (!fname) |
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54 return NULL; |
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55 if (!strncmp(fname, "~/", 2)) { |
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56 char *homedir = getenv("HOME"); |
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57 if (homedir) |
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58 return g_strdup_printf("%s%s", homedir, fname+1); |
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59 } |
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60 return g_strdup(fname); |
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61 } |
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62 |
952 | 63 void ut_InitDebug(int level, const char *filename) |
24 | 64 { |
77 | 65 FILE *fp; |
428
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66 struct stat buf; |
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67 int err; |
77 | 68 |
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69 if (level < 1) { |
138 | 70 DebugEnabled = 0; |
71 FName = NULL; | |
72 return; | |
73 } | |
74 | |
75 if (filename) | |
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76 FName = expand_filename(filename); |
77 | 77 else { |
138 | 78 FName = getenv("HOME"); |
79 if (!FName) | |
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80 FName = g_strdup("/tmp/mcabberlog"); |
138 | 81 else { |
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82 FName = g_strdup_printf("%s/mcabberlog", FName); |
138 | 83 } |
77 | 84 } |
24 | 85 |
86 DebugEnabled = level; | |
76 | 87 |
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88 fp = fopen(FName, "a"); |
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89 if (!fp) { |
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90 fprintf(stderr, "ERROR: Cannot open tracelog file\n"); |
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91 return; |
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92 } |
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93 |
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94 err = fstat(fileno(fp), &buf); |
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95 if (err || buf.st_uid != geteuid()) { |
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96 fclose(fp); |
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97 DebugEnabled = 0; |
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98 FName = NULL; |
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99 if (err) { |
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100 fprintf(stderr, "ERROR: cannot stat the tracelog file!\n"); |
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101 } else { |
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102 fprintf(stderr, "ERROR: tracelog file does not belong to you!\n"); |
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103 } |
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104 return; |
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105 } |
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106 fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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107 |
1241 | 108 fprintf(fp, "New trace log started.\n----------------------\n"); |
24 | 109 fclose(fp); |
110 } | |
111 | |
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112 void ut_WriteLog(unsigned int flag, const char *data) |
24 | 113 { |
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114 if (!DebugEnabled || !FName) return; |
393 | 115 |
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116 if (((DebugEnabled == 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
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117 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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118 FILE *fp = fopen(FName, "a+"); |
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119 if (!fp) { |
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120 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file"); |
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121 return; |
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122 } |
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123 fputs(data, fp); |
24 | 124 fclose(fp); |
125 } | |
126 } | |
127 | |
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128 // checkset_perm(name, setmode) |
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129 // Check the permissions of the "name" file/dir |
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130 // If setmode is true, correct the permissions if they are wrong |
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131 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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132 int checkset_perm(const char *name, unsigned int setmode) |
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133 { |
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134 int fd; |
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135 struct stat buf; |
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136 |
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137 #ifdef __CYGWIN__ |
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138 // Permission checking isn't efficent on Cygwin |
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139 return 0; |
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140 #endif |
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141 |
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142 fd = lstat(name, &buf); |
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143 if (fd == -1) return -1; |
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144 |
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145 if (buf.st_uid != geteuid()) { |
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146 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
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147 return 1; |
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148 } |
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149 |
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150 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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151 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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152 if (setmode) { |
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153 mode_t newmode = 0; |
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154 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
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155 if (S_ISDIR(buf.st_mode)) |
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156 newmode |= S_IXUSR; |
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157 newmode |= S_IRUSR | S_IWUSR; |
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158 if (chmod(name, newmode)) { |
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159 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
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160 return 1; |
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161 } |
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162 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
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163 } else { |
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164 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
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165 return 1; |
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166 } |
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167 } |
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168 |
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169 return 0; |
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170 } |
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171 |
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172 const char *ut_get_tmpdir(void) |
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173 { |
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174 static const char *tmpdir; |
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175 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 176 unsigned int i; |
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177 |
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178 if (tmpdir) |
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179 return tmpdir; |
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180 |
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181 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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182 tmpdir = getenv(tmpvars[i]); |
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183 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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184 // Looks ok. |
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185 return tmpdir; |
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186 } |
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187 } |
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188 |
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189 // Default temporary directory |
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190 tmpdir = "/tmp"; |
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191 return tmpdir; |
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192 } |
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193 |
241 | 194 // to_iso8601(dststr, timestamp) |
195 // Convert timestamp to iso8601 format, and store it in dststr. | |
196 // NOTE: dststr should be at last 19 chars long. | |
197 // Return should be 0 | |
198 int to_iso8601(char *dststr, time_t timestamp) | |
199 { | |
200 struct tm *tm_time; | |
201 int ret; | |
202 | |
203 tm_time = gmtime(×tamp); | |
204 | |
205 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
206 1900+tm_time->tm_year, tm_time->tm_mon+1, tm_time->tm_mday, | |
207 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); | |
208 | |
209 return ((ret == -1) ? -1 : 0); | |
210 } | |
211 | |
212 // from_iso8601(timestamp, utc) | |
1361 | 213 // This function came from the Pidgin project, gaim_str_to_time(). |
241 | 214 // (Actually date may not be pure iso-8601) |
215 // Thanks, guys! | |
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216 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 217 time_t from_iso8601(const char *timestamp, int utc) |
218 { | |
219 struct tm t; | |
220 time_t retval = 0; | |
221 char buf[32]; | |
222 char *c; | |
223 int tzoff = 0; | |
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224 int hms_succ = 0; |
241 | 225 |
226 time(&retval); | |
227 localtime_r(&retval, &t); | |
228 | |
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229 /* Reset time to midnight (00:00:00) */ |
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230 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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231 |
241 | 232 snprintf(buf, sizeof(buf), "%s", timestamp); |
233 c = buf; | |
234 | |
235 /* 4 digit year */ | |
236 if (!sscanf(c, "%04d", &t.tm_year)) return 0; | |
237 c+=4; | |
238 if (*c == '-') | |
239 c++; | |
240 | |
241 t.tm_year -= 1900; | |
242 | |
243 /* 2 digit month */ | |
244 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
245 c+=2; | |
246 if (*c == '-') | |
247 c++; | |
248 | |
249 t.tm_mon -= 1; | |
250 | |
251 /* 2 digit day */ | |
252 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
253 c+=2; | |
254 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
255 c++; /* skip the "T" */ | |
256 | |
257 /* 2 digit hour */ | |
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258 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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259 { |
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260 hms_succ = 1; |
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261 c += 8; |
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262 } |
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263 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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264 { |
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265 hms_succ = 1; |
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266 c += 6; |
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267 } |
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268 |
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269 if (hms_succ) { |
241 | 270 int tzhrs, tzmins; |
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271 |
241 | 272 if (*c == '.') /* dealing with precision we don't care about */ |
273 c += 4; | |
274 | |
275 if ((*c == '+' || *c == '-') && | |
276 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
277 tzoff = tzhrs*60*60 + tzmins*60; | |
278 if (*c == '+') | |
279 tzoff *= -1; | |
280 } | |
281 | |
282 if (tzoff || utc) { | |
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283 #ifdef HAVE_TM_GMTOFF |
241 | 284 tzoff += t.tm_gmtoff; |
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285 #else |
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286 # ifdef HAVE_TIMEZONE |
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287 tzset(); /* making sure */ |
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288 tzoff -= timezone; |
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289 # endif |
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290 #endif |
241 | 291 } |
292 } | |
293 } | |
294 | |
295 t.tm_isdst = -1; | |
296 | |
297 retval = mktime(&t); | |
298 | |
299 retval += tzoff; | |
300 | |
301 return retval; | |
302 } | |
419 | 303 |
304 // Should only be used for delays < 1s | |
305 inline void safe_usleep(unsigned int usec) | |
306 { | |
307 struct timespec req; | |
308 req.tv_sec = 0; | |
309 req.tv_nsec = (long)usec * 1000L; | |
310 nanosleep(&req, NULL); | |
311 } | |
452 | 312 |
313 /** | |
314 * Derived from libjabber/jid.c, because the libjabber version is not | |
315 * really convenient for our usage. | |
316 * | |
317 * Check if the full JID is valid | |
318 * Return 0 if it is valid, non zero otherwise | |
319 */ | |
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320 int check_jid_syntax(const char *fjid) |
452 | 321 { |
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322 const char *str; |
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323 const char *domain, *resource; |
452 | 324 int domlen; |
325 | |
1058 | 326 if (!fjid) return 1; |
452 | 327 |
1058 | 328 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
452 | 329 |
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330 /* the username is optional */ |
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331 if (!domain) { |
1058 | 332 domain = fjid; |
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333 } else { |
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334 /* node identifiers may not be longer than 1023 bytes */ |
1058 | 335 if ((domain == fjid) || (domain-fjid > 1023)) |
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336 return 1; |
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337 domain++; |
452 | 338 |
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339 /* check for low and invalid ascii characters in the username */ |
1058 | 340 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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341 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
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342 *str == '<' || *str == '>' || *str == '\'' || |
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343 *str == '"' || *str == '&') { |
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344 return 1; |
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345 } |
452 | 346 } |
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347 /* the username is okay as far as we can tell without LIBIDN */ |
452 | 348 } |
349 | |
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350 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 351 |
352 /* the resource is optional */ | |
353 if (resource) { | |
354 domlen = resource - domain; | |
355 resource++; | |
356 /* resources may not be longer than 1023 bytes */ | |
357 if ((*resource == '\0') || strlen(resource) > 1023) | |
358 return 1; | |
359 } else { | |
360 domlen = strlen(domain); | |
361 } | |
362 | |
363 /* there must be a domain identifier */ | |
364 if (domlen == 0) return 1; | |
365 | |
366 /* and it must not be longer than 1023 bytes */ | |
367 if (domlen > 1023) return 1; | |
368 | |
369 /* make sure the hostname is valid characters */ | |
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370 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 371 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
372 return 1; | |
373 } | |
374 | |
375 /* it's okay as far as we can tell without LIBIDN */ | |
376 return 0; | |
377 } | |
378 | |
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379 |
1106 | 380 inline void mc_strtolower(char *str) |
452 | 381 { |
382 if (!str) return; | |
383 for ( ; *str; str++) | |
384 *str = tolower(*str); | |
385 } | |
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386 |
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387 // strip_arg_special_chars(string) |
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388 // Remove quotes and backslashes before an escaped quote |
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389 // Only quotes need a backslash |
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390 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
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391 void strip_arg_special_chars(char *s) |
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392 { |
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393 int instring = FALSE; |
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394 int escape = FALSE; |
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395 char *p; |
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396 |
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397 if (!s) return; |
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398 |
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399 for (p = s; *p; p++) { |
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400 if (*p == '"') { |
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401 if (!escape) { |
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402 instring = !instring; |
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403 strcpy(p, p+1); |
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404 p--; |
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405 } else { |
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406 escape = FALSE; |
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407 } |
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408 } else if (*p == '\\') { |
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409 if (!escape) { |
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changeset
|
410 if (*(p+1) == '"') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
411 strcpy(p, p+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
412 p--; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
413 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
414 escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
415 } else { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
416 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
417 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
418 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
419 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
420 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
421 |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
422 // split_arg(arg, n, preservelast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
423 // Split the string arg into a maximum of n pieces, taking care of |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
424 // double quotes. |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
425 // Return a null-terminated array of strings. This array should be freed |
1167
9726c78a91f3
Allow '~' (HOME directory) in config options
Mikael Berthe <mikael@lilotux.net>
parents:
1122
diff
changeset
|
426 // by the caller after use, for example with free_arg_lst(). |
559
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
427 // If dontstriplast is true, the Nth argument isn't stripped (i.e. no |
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
428 // processing of quote chars) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
429 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
430 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
431 char **arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
432 const char *p, *start, *end; |
735 | 433 unsigned int i = 0; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
434 int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
435 int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
436 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
437 arglst = g_new0(char*, n+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
438 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
439 if (!arg || !n) return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
440 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
441 // Skip leading space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
442 for (start = arg; *start && *start == ' '; start++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
443 // End of string pointer |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
444 for (end = start; *end; end++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
445 // Skip trailing space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
446 while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
447 end--; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
448 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
449 for (p = start; p < end; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
450 if (*p == '"' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
451 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
452 if (*p == '\\' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
453 escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
454 else if (escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
455 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
456 if (*p == ' ' && !instring && i+1 < n) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
457 // end of parameter |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
458 *(arglst+i) = g_strndup(start, p-start); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
459 strip_arg_special_chars(*(arglst+i)); |
556 | 460 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 461 p = start-1; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
462 i++; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
463 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
464 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
465 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
466 if (start < end) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
467 *(arglst+i) = g_strndup(start, end-start); |
559
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
468 if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
469 strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
470 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
471 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
472 return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
473 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
474 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
475 // free_arg_lst(arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
476 // Free an array allocated by split_arg() |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
477 void free_arg_lst(char **arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
478 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
479 char **arg_elt; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
480 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
481 for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
482 g_free(*arg_elt); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
483 g_free(arglst); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
484 } |
576 | 485 |
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
486 // replace_nl_with_dots(bufstr) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
487 // Replace '\n' with "(...)" (or with a NUL if the string is too short) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
488 void replace_nl_with_dots(char *bufstr) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
489 { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
490 char *p = strchr(bufstr, '\n'); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
491 if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
492 if (strlen(p) >= 5) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
493 strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
494 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
495 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
496 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
497 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
498 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
499 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
500 // Expand tabs and filter out some bad chars in string text. |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
501 // If there is no tab and no bad chars in the string, a pointer to text |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
502 // is returned (be careful _not_ to free the pointer in this case). |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
503 // If there are some tabs or bad chars, a new string with expanded chars |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
504 // and no bad chars is returned; this is up to the caller to free this |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
505 // string after use. |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
506 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
507 { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
508 char *xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
509 char *p, *q; |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
510 guint n = 0, bc = 0; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
511 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
512 xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
513 for (p=xtext; *p; p++) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
514 if (*p == '\t') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
515 n++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
516 else if (*p == '\x0d') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
517 bc++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
518 // XXX Are there other special chars we should filter out? |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
519 |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
520 if (!n && !bc) |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
521 return (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
522 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
523 xtext = g_new(char, strlen(text) + 1 + 8*n); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
524 p = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
525 q = xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
526 do { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
527 if (*p == '\t') { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
528 do { *q++ = ' '; } while ((q-xtext)%8); |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
529 } else if (*p != '\x0d') { |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
530 *q++ = *p; |
1c3620668857
Expand tabs when reading history files
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531 } |
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|
532 } while (*p++); |
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diff
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|
533 |
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parents:
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diff
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|
534 return xtext; |
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699
diff
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|
535 } |
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diff
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|
536 |
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699
diff
changeset
|
537 |
803
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parents:
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diff
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|
538 /* Cygwin's newlib does not have strcasestr() */ |
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539 /* The author of the code before the endif is |
8f8d8f8157a2
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|
540 * Jeffrey Stedfast <fejj@ximian.com> |
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|
541 * and this code is reusable in compliance with the GPL v2. -- somian */ |
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|
542 |
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|
543 #if !defined(HAVE_STRCASESTR) |
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|
544 |
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diff
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|
545 # define lowercase(c) (isupper ((int) (c)) ? tolower ((int) (c)) : (int) (c)) |
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parents:
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546 # define bm_index(c, icase) ((icase) ? lowercase (c) : (int) (c)) |
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|
547 # define bm_equal(c1, c2, icase) ((icase) ? lowercase (c1) == lowercase (c2) : (c1) == (c2)) |
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|
548 |
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parents:
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diff
changeset
|
549 /* FIXME: this is just a guess... should really do some performace tests to get an accurate measure */ |
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|
550 # define bm_optimal(hlen, nlen) (((hlen) ? (hlen) > 20 : 1) && (nlen) > 10 ? 1 : 0) |
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|
551 |
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|
552 static unsigned char * |
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diff
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|
553 __boyer_moore (const unsigned char *haystack, size_t haystacklen, |
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diff
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|
554 const unsigned char *needle, size_t needlelen, int icase) |
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diff
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|
555 { |
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|
556 register unsigned char *hc_ptr, *nc_ptr; |
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557 unsigned char *he_ptr, *ne_ptr, *h_ptr; |
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diff
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|
558 size_t skiptable[256], n; |
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parents:
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diff
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|
559 register int i; |
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802
diff
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|
560 |
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parents:
802
diff
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|
561 #ifdef BOYER_MOORE_CHECKS |
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diff
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|
562 /* we don't need to do these checks since memmem/strstr/etc do it already */ |
8f8d8f8157a2
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parents:
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diff
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|
563 /* if the haystack is shorter than the needle then we can't possibly match */ |
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|
564 if (haystacklen < needlelen) |
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565 return NULL; |
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diff
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|
566 |
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diff
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|
567 /* instant match if the pattern buffer is 0-length */ |
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|
568 if (needlelen == 0) |
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|
569 return (unsigned char *) haystack; |
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|
570 #endif /* BOYER_MOORE_CHECKS */ |
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diff
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|
571 |
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diff
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|
572 /* set a pointer at the end of each string */ |
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diff
changeset
|
573 ne_ptr = (unsigned char *) needle + needlelen - 1; |
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574 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
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|
575 |
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diff
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|
576 /* create our skip table */ |
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diff
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|
577 for (i = 0; i < 256; i++) |
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parents:
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diff
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|
578 skiptable[i] = needlelen; |
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|
579 for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
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diff
changeset
|
580 skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
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|
581 |
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|
582 h_ptr = (unsigned char *) haystack; |
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diff
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|
583 while (haystacklen >= needlelen) { |
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|
584 hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
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|
585 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
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parents:
802
diff
changeset
|
586 |
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parents:
802
diff
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|
587 /* work our way backwards till they don't match */ |
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Soren Andersen <somian@pobox.com>
parents:
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diff
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|
588 for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
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parents:
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diff
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|
589 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
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parents:
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diff
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|
590 break; |
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|
591 |
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diff
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|
592 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
8f8d8f8157a2
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diff
changeset
|
593 n = skiptable[bm_index (*hc_ptr, icase)]; |
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diff
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|
594 if (n == needlelen && i) |
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parents:
802
diff
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|
595 if (bm_equal (*ne_ptr, ((unsigned char *) needle)[0], icase)) |
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diff
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|
596 n--; |
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diff
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|
597 h_ptr += n; |
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parents:
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diff
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|
598 haystacklen -= n; |
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|
599 } else |
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diff
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|
600 return (unsigned char *) h_ptr; |
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parents:
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diff
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|
601 } |
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parents:
802
diff
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|
602 |
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parents:
802
diff
changeset
|
603 return NULL; |
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diff
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|
604 } |
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diff
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|
605 |
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diff
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|
606 /* |
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diff
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|
607 * strcasestr: |
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Take care of the strcasestr lacking (Cygwin)
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diff
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|
608 * @haystack: string to search |
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|
609 * @needle: substring to search for |
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diff
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|
610 * |
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parents:
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diff
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|
611 * Finds the first occurence of the substring @needle within the |
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diff
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|
612 * string @haystack ignoring case. |
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diff
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|
613 * |
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diff
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|
614 * Returns a pointer to the beginning of the substring match within |
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diff
changeset
|
615 * @haystack, or NULL if the substring is not found. |
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diff
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|
616 **/ |
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diff
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|
617 char * |
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diff
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|
618 strcasestr (const char *haystack, const char *needle) |
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diff
changeset
|
619 { |
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diff
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|
620 register unsigned char *h, *n, *hc, *nc; |
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parents:
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diff
changeset
|
621 size_t needlelen; |
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802
diff
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|
622 |
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diff
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|
623 needlelen = strlen (needle); |
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diff
changeset
|
624 |
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parents:
802
diff
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|
625 if (needlelen == 0) { |
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diff
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|
626 return (char *) haystack; |
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diff
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|
627 } else if (bm_optimal (0, needlelen)) { |
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diff
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|
628 return (char *) __boyer_moore ((const unsigned char *) haystack, |
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diff
changeset
|
629 strlen (haystack), |
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diff
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|
630 (const unsigned char *) needle, |
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diff
changeset
|
631 needlelen, 1); |
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Take care of the strcasestr lacking (Cygwin)
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802
diff
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|
632 } |
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diff
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|
633 |
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diff
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|
634 h = (unsigned char *) haystack; |
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diff
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|
635 n = (unsigned char *) needle; |
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diff
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|
636 |
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diff
changeset
|
637 while (*(h + needlelen - 1)) { |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
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|
638 if (lowercase (*h) == lowercase (*n)) { |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
639 for (hc = h + 1, nc = n + 1; *hc && *nc; hc++, nc++) |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
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|
640 if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
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|
641 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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diff
changeset
|
642 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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643 if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
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644 return (char *) h; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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645 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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646 h++; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
647 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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648 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
649 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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650 #endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
651 |
1203 | 652 // startswith(str, word, ignore_case) |
1192 | 653 // Returns TRUE if string str starts with word. |
1203 | 654 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 655 { |
1203 | 656 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
657 return TRUE; | |
658 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 659 return TRUE; |
660 return FALSE; | |
661 } | |
662 | |
580 | 663 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |