Mercurial > hg
annotate mcabber/src/utils.c @ 1577:e1a642472f4e
Use otr context where possible, saves one mc_strtolower() per received message
author | franky |
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date | Sun, 12 Apr 2009 20:20:56 +0200 |
parents | 9f92c0edde1c |
children | e89787ee40f7 |
rev | line source |
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241 | 1 /* |
2 * utils.c -- Various utility functions | |
393 | 3 * |
1414 | 4 * Copyright (C) 2005-2008 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; |
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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 if (fputs(data, fp) == EOF) |
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124 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file"); |
24 | 125 fclose(fp); |
126 } | |
127 } | |
128 | |
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129 // checkset_perm(name, setmode) |
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130 // Check the permissions of the "name" file/dir |
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131 // If setmode is true, correct the permissions if they are wrong |
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132 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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133 int checkset_perm(const char *name, unsigned int setmode) |
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134 { |
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135 int fd; |
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136 struct stat buf; |
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137 |
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138 #ifdef __CYGWIN__ |
1460 | 139 // Permission checking isn't efficient on Cygwin |
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140 return 0; |
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141 #endif |
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142 |
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143 fd = stat(name, &buf); |
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144 if (fd == -1) return -1; |
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145 |
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146 if (buf.st_uid != geteuid()) { |
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147 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
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148 return 1; |
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149 } |
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150 |
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151 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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152 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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153 if (setmode) { |
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154 mode_t newmode = 0; |
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155 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
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156 if (S_ISDIR(buf.st_mode)) |
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157 newmode |= S_IXUSR; |
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158 newmode |= S_IRUSR | S_IWUSR; |
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159 if (chmod(name, newmode)) { |
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160 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
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161 return 1; |
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162 } |
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163 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
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164 } else { |
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165 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
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166 return 1; |
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167 } |
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168 } |
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169 |
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170 return 0; |
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171 } |
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172 |
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173 const char *ut_get_tmpdir(void) |
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174 { |
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175 static const char *tmpdir; |
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176 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 177 unsigned int i; |
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178 |
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179 if (tmpdir) |
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180 return tmpdir; |
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181 |
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182 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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183 tmpdir = getenv(tmpvars[i]); |
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184 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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185 // Looks ok. |
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186 return tmpdir; |
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187 } |
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188 } |
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189 |
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190 // Default temporary directory |
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191 tmpdir = "/tmp"; |
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192 return tmpdir; |
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193 } |
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194 |
241 | 195 // to_iso8601(dststr, timestamp) |
196 // Convert timestamp to iso8601 format, and store it in dststr. | |
197 // NOTE: dststr should be at last 19 chars long. | |
198 // Return should be 0 | |
199 int to_iso8601(char *dststr, time_t timestamp) | |
200 { | |
201 struct tm *tm_time; | |
202 int ret; | |
203 | |
204 tm_time = gmtime(×tamp); | |
205 | |
206 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
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207 (int)(1900+tm_time->tm_year), tm_time->tm_mon+1, tm_time->tm_mday, |
241 | 208 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
209 | |
210 return ((ret == -1) ? -1 : 0); | |
211 } | |
212 | |
213 // from_iso8601(timestamp, utc) | |
1361 | 214 // This function came from the Pidgin project, gaim_str_to_time(). |
241 | 215 // (Actually date may not be pure iso-8601) |
216 // Thanks, guys! | |
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217 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 218 time_t from_iso8601(const char *timestamp, int utc) |
219 { | |
220 struct tm t; | |
221 time_t retval = 0; | |
222 char buf[32]; | |
223 char *c; | |
224 int tzoff = 0; | |
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225 int hms_succ = 0; |
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226 int tmpyear; |
241 | 227 |
228 time(&retval); | |
229 localtime_r(&retval, &t); | |
230 | |
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231 /* Reset time to midnight (00:00:00) */ |
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232 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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233 |
241 | 234 snprintf(buf, sizeof(buf), "%s", timestamp); |
235 c = buf; | |
236 | |
237 /* 4 digit year */ | |
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238 if (!sscanf(c, "%04d", &tmpyear)) return 0; |
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239 t.tm_year = tmpyear; |
241 | 240 c+=4; |
241 if (*c == '-') | |
242 c++; | |
243 | |
244 t.tm_year -= 1900; | |
245 | |
246 /* 2 digit month */ | |
247 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
248 c+=2; | |
249 if (*c == '-') | |
250 c++; | |
251 | |
252 t.tm_mon -= 1; | |
253 | |
254 /* 2 digit day */ | |
255 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
256 c+=2; | |
257 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
258 c++; /* skip the "T" */ | |
259 | |
260 /* 2 digit hour */ | |
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261 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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262 { |
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263 hms_succ = 1; |
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264 c += 8; |
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265 } |
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266 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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267 { |
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268 hms_succ = 1; |
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269 c += 6; |
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270 } |
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271 |
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272 if (hms_succ) { |
241 | 273 int tzhrs, tzmins; |
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274 |
241 | 275 if (*c == '.') /* dealing with precision we don't care about */ |
276 c += 4; | |
277 | |
278 if ((*c == '+' || *c == '-') && | |
279 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
280 tzoff = tzhrs*60*60 + tzmins*60; | |
281 if (*c == '+') | |
282 tzoff *= -1; | |
283 } | |
284 | |
285 if (tzoff || utc) { | |
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286 #ifdef HAVE_TM_GMTOFF |
241 | 287 tzoff += t.tm_gmtoff; |
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288 #else |
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289 # ifdef HAVE_TIMEZONE |
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290 tzset(); /* making sure */ |
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291 tzoff -= timezone; |
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292 # endif |
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293 #endif |
241 | 294 } |
295 } | |
296 } | |
297 | |
298 t.tm_isdst = -1; | |
299 | |
300 retval = mktime(&t); | |
301 | |
302 retval += tzoff; | |
303 | |
304 return retval; | |
305 } | |
419 | 306 |
452 | 307 /** |
308 * Derived from libjabber/jid.c, because the libjabber version is not | |
309 * really convenient for our usage. | |
310 * | |
311 * Check if the full JID is valid | |
312 * Return 0 if it is valid, non zero otherwise | |
313 */ | |
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314 int check_jid_syntax(const char *fjid) |
452 | 315 { |
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316 const char *str; |
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317 const char *domain, *resource; |
452 | 318 int domlen; |
319 | |
1058 | 320 if (!fjid) return 1; |
452 | 321 |
1058 | 322 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
452 | 323 |
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324 /* the username is optional */ |
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325 if (!domain) { |
1058 | 326 domain = fjid; |
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327 } else { |
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328 /* node identifiers may not be longer than 1023 bytes */ |
1058 | 329 if ((domain == fjid) || (domain-fjid > 1023)) |
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330 return 1; |
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331 domain++; |
452 | 332 |
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333 /* check for low and invalid ascii characters in the username */ |
1058 | 334 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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335 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
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336 *str == '<' || *str == '>' || *str == '\'' || |
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337 *str == '"' || *str == '&') { |
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338 return 1; |
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339 } |
452 | 340 } |
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341 /* the username is okay as far as we can tell without LIBIDN */ |
452 | 342 } |
343 | |
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344 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 345 |
346 /* the resource is optional */ | |
347 if (resource) { | |
348 domlen = resource - domain; | |
349 resource++; | |
350 /* resources may not be longer than 1023 bytes */ | |
351 if ((*resource == '\0') || strlen(resource) > 1023) | |
352 return 1; | |
353 } else { | |
354 domlen = strlen(domain); | |
355 } | |
356 | |
357 /* there must be a domain identifier */ | |
358 if (domlen == 0) return 1; | |
359 | |
360 /* and it must not be longer than 1023 bytes */ | |
361 if (domlen > 1023) return 1; | |
362 | |
363 /* make sure the hostname is valid characters */ | |
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364 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 365 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
366 return 1; | |
367 } | |
368 | |
369 /* it's okay as far as we can tell without LIBIDN */ | |
370 return 0; | |
371 } | |
372 | |
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373 |
1106 | 374 inline void mc_strtolower(char *str) |
452 | 375 { |
376 if (!str) return; | |
377 for ( ; *str; str++) | |
378 *str = tolower(*str); | |
379 } | |
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380 |
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381 // strip_arg_special_chars(string) |
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382 // Remove quotes and backslashes before an escaped quote |
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383 // Only quotes need a backslash |
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384 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
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385 void strip_arg_special_chars(char *s) |
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386 { |
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387 int instring = FALSE; |
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388 int escape = FALSE; |
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389 char *p; |
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390 |
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391 if (!s) return; |
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392 |
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393 for (p = s; *p; p++) { |
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394 if (*p == '"') { |
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395 if (!escape) { |
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396 instring = !instring; |
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397 strcpy(p, p+1); |
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398 p--; |
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399 } else |
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400 escape = FALSE; |
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Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
401 } else if (*p == '\\') { |
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parents:
524
diff
changeset
|
402 if (!escape) { |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
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parents:
1440
diff
changeset
|
403 strcpy(p, p+1); |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
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parents:
1440
diff
changeset
|
404 p--; |
551
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Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
405 } |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
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parents:
1440
diff
changeset
|
406 escape = !escape; |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
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parents:
1440
diff
changeset
|
407 } else |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
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parents:
1440
diff
changeset
|
408 escape = FALSE; |
551
c71699efa5cc
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diff
changeset
|
409 } |
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diff
changeset
|
410 } |
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diff
changeset
|
411 |
554
2424bbf0a6db
Some more work on do_room()
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parents:
553
diff
changeset
|
412 // split_arg(arg, n, preservelast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
413 // Split the string arg into a maximum of n pieces, taking care of |
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
414 // double quotes. |
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
415 // Return a null-terminated array of strings. This array should be freed |
1167
9726c78a91f3
Allow '~' (HOME directory) in config options
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parents:
1122
diff
changeset
|
416 // 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
|
417 // 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
|
418 // processing of quote chars) |
554
2424bbf0a6db
Some more work on do_room()
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parents:
553
diff
changeset
|
419 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
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Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
420 { |
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diff
changeset
|
421 char **arglst; |
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diff
changeset
|
422 const char *p, *start, *end; |
735 | 423 unsigned int i = 0; |
551
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Add split_arg() / free_arg_lst()
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diff
changeset
|
424 int instring = FALSE; |
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Add split_arg() / free_arg_lst()
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diff
changeset
|
425 int escape = FALSE; |
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parents:
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diff
changeset
|
426 |
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parents:
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diff
changeset
|
427 arglst = g_new0(char*, n+1); |
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diff
changeset
|
428 |
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diff
changeset
|
429 if (!arg || !n) return arglst; |
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diff
changeset
|
430 |
c71699efa5cc
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parents:
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diff
changeset
|
431 // Skip leading space |
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Add split_arg() / free_arg_lst()
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524
diff
changeset
|
432 for (start = arg; *start && *start == ' '; start++) ; |
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524
diff
changeset
|
433 // End of string pointer |
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parents:
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diff
changeset
|
434 for (end = start; *end; end++) ; |
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parents:
524
diff
changeset
|
435 // Skip trailing space |
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
436 while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
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parents:
524
diff
changeset
|
437 end--; |
c71699efa5cc
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parents:
524
diff
changeset
|
438 |
c71699efa5cc
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parents:
524
diff
changeset
|
439 for (p = start; p < end; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
440 if (*p == '"' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
441 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
442 if (*p == '\\' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
443 escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
444 else if (escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
445 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
446 if (*p == ' ' && !instring && i+1 < n) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
447 // end of parameter |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
448 *(arglst+i) = g_strndup(start, p-start); |
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Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
449 strip_arg_special_chars(*(arglst+i)); |
556 | 450 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 451 p = start-1; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
452 i++; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
453 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
454 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
455 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
456 if (start < end) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
457 *(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
|
458 if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
459 strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
460 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
461 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
462 return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
463 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
464 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
465 // free_arg_lst(arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
466 // Free an array allocated by split_arg() |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
467 void free_arg_lst(char **arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
468 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
469 char **arg_elt; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
470 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
471 for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
472 g_free(*arg_elt); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
473 g_free(arglst); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
474 } |
576 | 475 |
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
476 // 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
|
477 // 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
|
478 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
|
479 { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
480 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
|
481 if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
482 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
|
483 strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
484 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
485 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
486 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
487 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
488 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
489 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
490 // 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
|
491 // 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
|
492 // 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
|
493 // 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
|
494 // 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
|
495 // string after use. |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
496 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
497 { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
498 char *xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
499 char *p, *q; |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
500 guint n = 0, bc = 0; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
501 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
502 xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
503 for (p=xtext; *p; p++) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
504 if (*p == '\t') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
505 n++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
506 else if (*p == '\x0d') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
507 bc++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
508 // 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
|
509 |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
510 if (!n && !bc) |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
511 return (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
512 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
513 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
|
514 p = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
515 q = xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
516 do { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
517 if (*p == '\t') { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
518 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
|
519 } else if (*p != '\x0d') { |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
520 *q++ = *p; |
1c3620668857
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521 } |
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parents:
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diff
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|
522 } while (*p++); |
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parents:
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diff
changeset
|
523 |
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parents:
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diff
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|
524 return xtext; |
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parents:
699
diff
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|
525 } |
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699
diff
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|
526 |
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parents:
699
diff
changeset
|
527 |
803
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parents:
802
diff
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|
528 /* Cygwin's newlib does not have strcasestr() */ |
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529 /* The author of the code before the endif is |
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|
530 * Jeffrey Stedfast <fejj@ximian.com> |
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diff
changeset
|
531 * and this code is reusable in compliance with the GPL v2. -- somian */ |
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|
532 |
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|
533 #if !defined(HAVE_STRCASESTR) |
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|
534 |
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diff
changeset
|
535 # define lowercase(c) (isupper ((int) (c)) ? tolower ((int) (c)) : (int) (c)) |
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536 # define bm_index(c, icase) ((icase) ? lowercase (c) : (int) (c)) |
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|
537 # define bm_equal(c1, c2, icase) ((icase) ? lowercase (c1) == lowercase (c2) : (c1) == (c2)) |
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diff
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|
538 |
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parents:
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diff
changeset
|
539 /* FIXME: this is just a guess... should really do some performace tests to get an accurate measure */ |
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|
540 # define bm_optimal(hlen, nlen) (((hlen) ? (hlen) > 20 : 1) && (nlen) > 10 ? 1 : 0) |
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parents:
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|
541 |
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diff
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|
542 static unsigned char * |
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parents:
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|
543 __boyer_moore (const unsigned char *haystack, size_t haystacklen, |
8f8d8f8157a2
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diff
changeset
|
544 const unsigned char *needle, size_t needlelen, int icase) |
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parents:
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diff
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|
545 { |
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546 register unsigned char *hc_ptr, *nc_ptr; |
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|
547 unsigned char *he_ptr, *ne_ptr, *h_ptr; |
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diff
changeset
|
548 size_t skiptable[256], n; |
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parents:
802
diff
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|
549 register int i; |
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parents:
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diff
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|
550 |
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|
551 #ifdef BOYER_MOORE_CHECKS |
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diff
changeset
|
552 /* we don't need to do these checks since memmem/strstr/etc do it already */ |
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parents:
802
diff
changeset
|
553 /* if the haystack is shorter than the needle then we can't possibly match */ |
8f8d8f8157a2
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diff
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|
554 if (haystacklen < needlelen) |
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|
555 return NULL; |
8f8d8f8157a2
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diff
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|
556 |
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parents:
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diff
changeset
|
557 /* instant match if the pattern buffer is 0-length */ |
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parents:
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diff
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|
558 if (needlelen == 0) |
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|
559 return (unsigned char *) haystack; |
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diff
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|
560 #endif /* BOYER_MOORE_CHECKS */ |
8f8d8f8157a2
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diff
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|
561 |
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parents:
802
diff
changeset
|
562 /* set a pointer at the end of each string */ |
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diff
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|
563 ne_ptr = (unsigned char *) needle + needlelen - 1; |
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|
564 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
8f8d8f8157a2
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diff
changeset
|
565 |
8f8d8f8157a2
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parents:
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diff
changeset
|
566 /* create our skip table */ |
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parents:
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diff
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|
567 for (i = 0; i < 256; i++) |
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|
568 skiptable[i] = needlelen; |
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|
569 for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
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diff
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|
570 skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
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parents:
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diff
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|
571 |
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diff
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|
572 h_ptr = (unsigned char *) haystack; |
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diff
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|
573 while (haystacklen >= needlelen) { |
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|
574 hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
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diff
changeset
|
575 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
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diff
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|
576 |
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diff
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|
577 /* work our way backwards till they don't match */ |
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diff
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|
578 for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
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diff
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|
579 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
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diff
changeset
|
580 break; |
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parents:
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diff
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|
581 |
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802
diff
changeset
|
582 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
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Take care of the strcasestr lacking (Cygwin)
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parents:
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diff
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|
583 n = skiptable[bm_index (*hc_ptr, icase)]; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
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diff
changeset
|
584 if (n == needlelen && i) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
585 if (bm_equal (*ne_ptr, ((unsigned char *) needle)[0], icase)) |
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parents:
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diff
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|
586 n--; |
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diff
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|
587 h_ptr += n; |
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parents:
802
diff
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|
588 haystacklen -= n; |
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diff
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|
589 } else |
8f8d8f8157a2
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diff
changeset
|
590 return (unsigned char *) h_ptr; |
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parents:
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diff
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|
591 } |
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parents:
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diff
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|
592 |
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802
diff
changeset
|
593 return NULL; |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
594 } |
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diff
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|
595 |
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parents:
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diff
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|
596 /* |
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parents:
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diff
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|
597 * strcasestr: |
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Take care of the strcasestr lacking (Cygwin)
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diff
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|
598 * @haystack: string to search |
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802
diff
changeset
|
599 * @needle: substring to search for |
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diff
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|
600 * |
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parents:
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diff
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|
601 * Finds the first occurence of the substring @needle within the |
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parents:
802
diff
changeset
|
602 * string @haystack ignoring case. |
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Soren Andersen <somian@pobox.com>
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802
diff
changeset
|
603 * |
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parents:
802
diff
changeset
|
604 * Returns a pointer to the beginning of the substring match within |
8f8d8f8157a2
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802
diff
changeset
|
605 * @haystack, or NULL if the substring is not found. |
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diff
changeset
|
606 **/ |
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802
diff
changeset
|
607 char * |
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parents:
802
diff
changeset
|
608 strcasestr (const char *haystack, const char *needle) |
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parents:
802
diff
changeset
|
609 { |
8f8d8f8157a2
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parents:
802
diff
changeset
|
610 register unsigned char *h, *n, *hc, *nc; |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
611 size_t needlelen; |
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parents:
802
diff
changeset
|
612 |
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parents:
802
diff
changeset
|
613 needlelen = strlen (needle); |
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parents:
802
diff
changeset
|
614 |
8f8d8f8157a2
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parents:
802
diff
changeset
|
615 if (needlelen == 0) { |
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802
diff
changeset
|
616 return (char *) haystack; |
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Take care of the strcasestr lacking (Cygwin)
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802
diff
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|
617 } else if (bm_optimal (0, needlelen)) { |
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802
diff
changeset
|
618 return (char *) __boyer_moore ((const unsigned char *) haystack, |
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parents:
802
diff
changeset
|
619 strlen (haystack), |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
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|
620 (const unsigned char *) needle, |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
621 needlelen, 1); |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
622 } |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
623 |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
624 h = (unsigned char *) haystack; |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
625 n = (unsigned char *) needle; |
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parents:
802
diff
changeset
|
626 |
8f8d8f8157a2
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parents:
802
diff
changeset
|
627 while (*(h + needlelen - 1)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
628 if (lowercase (*h) == lowercase (*n)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
629 for (hc = h + 1, nc = n + 1; *hc && *nc; hc++, nc++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
630 if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
631 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
632 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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633 if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
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634 return (char *) h; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
635 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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636 h++; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
637 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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638 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
639 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
640 #endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
641 |
1203 | 642 // startswith(str, word, ignore_case) |
1192 | 643 // Returns TRUE if string str starts with word. |
1203 | 644 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 645 { |
1203 | 646 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
647 return TRUE; | |
648 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 649 return TRUE; |
650 return FALSE; | |
651 } | |
652 | |
580 | 653 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |