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annotate mcabber/src/utils.c @ 1602:f4a2c6f767d1
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author | franky |
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date | Wed, 24 Sep 2008 11:41:29 +0200 |
parents | dcd5d4c75199 |
children | f9bf561e54d0 |
rev | line source |
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241 | 1 /* |
2 * utils.c -- Various utility functions | |
393 | 3 * |
1599 | 4 * Copyright (C) 2005-2009 Mikael Berthe <mikael@lilotux.net> |
5 * Some of the 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 |
1598 | 29 #include <glib/gprintf.h> |
30 | |
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31 /* For Cygwin (thanks go to Yitzchak Scott-Thoennes) */ |
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32 #ifdef __CYGWIN__ |
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33 # define timezonevar |
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34 extern long timezone; |
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35 #endif |
24 | 36 #include <time.h> |
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37 #include <unistd.h> |
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38 #include <sys/types.h> |
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39 #include <sys/stat.h> |
452 | 40 #include <ctype.h> |
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41 #include <glib.h> |
24 | 42 |
241 | 43 #include <config.h> |
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44 #include "utils.h" |
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45 #include "logprint.h" |
241 | 46 |
76 | 47 static int DebugEnabled; |
77 | 48 static char *FName; |
24 | 49 |
1598 | 50 // jidtodisp(jid) |
51 // Strips the resource part from the jid | |
52 // The caller should g_free the result after use. | |
53 char *jidtodisp(const char *fjid) | |
54 { | |
55 char *ptr; | |
56 char *alias; | |
57 | |
58 alias = g_strdup(fjid); | |
59 | |
60 if ((ptr = strchr(alias, JID_RESOURCE_SEPARATOR)) != NULL) { | |
61 *ptr = 0; | |
62 } | |
63 return alias; | |
64 } | |
65 | |
66 char *compose_jid(const char *username, const char *servername, | |
67 const char *resource) | |
68 { | |
69 char *fjid; | |
70 | |
71 if (!strchr(username, JID_DOMAIN_SEPARATOR)) { | |
72 fjid = g_strdup_printf("%s%c%s%c%s", username, | |
73 JID_DOMAIN_SEPARATOR, servername, | |
74 JID_RESOURCE_SEPARATOR, resource); | |
75 } else { | |
76 fjid = g_strdup_printf("%s%c%s", username, | |
77 JID_RESOURCE_SEPARATOR, resource); | |
78 } | |
79 return fjid; | |
80 } | |
81 | |
82 gboolean jid_equal(const char *jid1, const char *jid2) | |
83 { | |
84 char *a,*b; | |
85 int ret; | |
86 if (!jid1 && !jid2) | |
87 return TRUE; | |
88 if (!jid1 || !jid2) | |
89 return FALSE; | |
90 | |
91 a = jidtodisp(jid1); | |
92 b = jidtodisp(jid2); | |
93 ret = strcasecmp(a, b); | |
94 g_free(a); | |
95 g_free(b); | |
96 return (ret == 0) ? TRUE : FALSE; | |
97 } | |
98 | |
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99 // expand_filename(filename) |
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100 // Expand "~/" with the $HOME env. variable in a file name. |
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101 // The caller must free the string after use. |
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102 char *expand_filename(const char *fname) |
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103 { |
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104 if (!fname) |
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105 return NULL; |
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106 if (!strncmp(fname, "~/", 2)) { |
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107 char *homedir = getenv("HOME"); |
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108 if (homedir) |
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109 return g_strdup_printf("%s%s", homedir, fname+1); |
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110 } |
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111 return g_strdup(fname); |
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112 } |
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113 |
1598 | 114 void fingerprint_to_hex(const unsigned char *fpr, char hex[49]) |
115 { | |
116 int i; | |
117 char *p; | |
118 | |
119 for (p = hex, i = 0; i < 15; i++, p+=3) | |
120 g_sprintf(p, "%02X:", fpr[i]); | |
121 g_sprintf(p, "%02X", fpr[i]); | |
122 hex[48] = '\0'; | |
123 } | |
124 | |
125 gboolean hex_to_fingerprint(const char *hex, char fpr[16]) | |
126 { | |
127 int i; | |
128 char *p; | |
129 | |
130 if (strlen(hex) != 47) | |
131 return FALSE; | |
132 for (i = 0, p = (char*)hex; *p && *(p+1); i++, p += 3) | |
133 fpr[i] = (char) g_ascii_strtoull (p, NULL, 16); | |
134 return TRUE; | |
135 } | |
136 | |
952 | 137 void ut_InitDebug(int level, const char *filename) |
24 | 138 { |
77 | 139 FILE *fp; |
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140 struct stat buf; |
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141 int err; |
77 | 142 |
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143 if (level < 1) { |
138 | 144 DebugEnabled = 0; |
145 FName = NULL; | |
146 return; | |
147 } | |
148 | |
149 if (filename) | |
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150 FName = expand_filename(filename); |
77 | 151 else { |
138 | 152 FName = getenv("HOME"); |
153 if (!FName) | |
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154 FName = g_strdup("/tmp/mcabberlog"); |
138 | 155 else { |
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156 FName = g_strdup_printf("%s/mcabberlog", FName); |
138 | 157 } |
77 | 158 } |
24 | 159 |
160 DebugEnabled = level; | |
76 | 161 |
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162 fp = fopen(FName, "a"); |
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163 if (!fp) { |
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164 fprintf(stderr, "ERROR: Cannot open tracelog file\n"); |
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165 return; |
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166 } |
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167 |
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168 err = fstat(fileno(fp), &buf); |
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169 if (err || buf.st_uid != geteuid()) { |
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170 fclose(fp); |
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171 DebugEnabled = 0; |
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172 FName = NULL; |
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173 if (err) { |
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174 fprintf(stderr, "ERROR: cannot stat the tracelog file!\n"); |
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175 } else { |
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176 fprintf(stderr, "ERROR: tracelog file does not belong to you!\n"); |
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177 } |
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178 return; |
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179 } |
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180 fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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181 |
1241 | 182 fprintf(fp, "New trace log started.\n----------------------\n"); |
24 | 183 fclose(fp); |
184 } | |
185 | |
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186 void ut_WriteLog(unsigned int flag, const char *data) |
24 | 187 { |
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188 if (!DebugEnabled || !FName) return; |
393 | 189 |
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190 if (((DebugEnabled == 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
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191 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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192 FILE *fp = fopen(FName, "a+"); |
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193 if (!fp) { |
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194 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file"); |
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195 return; |
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196 } |
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197 if (fputs(data, fp) == EOF) |
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198 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file"); |
24 | 199 fclose(fp); |
200 } | |
201 } | |
202 | |
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203 // checkset_perm(name, setmode) |
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204 // Check the permissions of the "name" file/dir |
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205 // If setmode is true, correct the permissions if they are wrong |
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206 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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207 int checkset_perm(const char *name, unsigned int setmode) |
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208 { |
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209 int fd; |
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210 struct stat buf; |
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211 |
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212 #ifdef __CYGWIN__ |
1460 | 213 // Permission checking isn't efficient on Cygwin |
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214 return 0; |
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215 #endif |
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216 |
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217 fd = stat(name, &buf); |
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218 if (fd == -1) return -1; |
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219 |
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220 if (buf.st_uid != geteuid()) { |
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221 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
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222 return 1; |
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223 } |
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224 |
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225 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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226 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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227 if (setmode) { |
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228 mode_t newmode = 0; |
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229 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
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230 if (S_ISDIR(buf.st_mode)) |
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231 newmode |= S_IXUSR; |
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232 newmode |= S_IRUSR | S_IWUSR; |
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233 if (chmod(name, newmode)) { |
374
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234 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
362
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235 return 1; |
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236 } |
374
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237 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
362
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238 } else { |
374
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239 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
362
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240 return 1; |
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241 } |
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242 } |
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243 |
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244 return 0; |
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245 } |
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246 |
524
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247 const char *ut_get_tmpdir(void) |
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248 { |
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249 static const char *tmpdir; |
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250 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 251 unsigned int i; |
524
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252 |
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253 if (tmpdir) |
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254 return tmpdir; |
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255 |
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256 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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257 tmpdir = getenv(tmpvars[i]); |
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258 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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259 // Looks ok. |
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260 return tmpdir; |
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261 } |
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262 } |
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263 |
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264 // Default temporary directory |
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265 tmpdir = "/tmp"; |
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266 return tmpdir; |
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267 } |
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268 |
241 | 269 // to_iso8601(dststr, timestamp) |
270 // Convert timestamp to iso8601 format, and store it in dststr. | |
271 // NOTE: dststr should be at last 19 chars long. | |
272 // Return should be 0 | |
273 int to_iso8601(char *dststr, time_t timestamp) | |
274 { | |
275 struct tm *tm_time; | |
276 int ret; | |
277 | |
278 tm_time = gmtime(×tamp); | |
279 | |
280 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
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281 (int)(1900+tm_time->tm_year), tm_time->tm_mon+1, tm_time->tm_mday, |
241 | 282 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
283 | |
284 return ((ret == -1) ? -1 : 0); | |
285 } | |
286 | |
287 // from_iso8601(timestamp, utc) | |
1361 | 288 // This function came from the Pidgin project, gaim_str_to_time(). |
241 | 289 // (Actually date may not be pure iso-8601) |
290 // Thanks, guys! | |
802
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291 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 292 time_t from_iso8601(const char *timestamp, int utc) |
293 { | |
294 struct tm t; | |
295 time_t retval = 0; | |
296 char buf[32]; | |
297 char *c; | |
298 int tzoff = 0; | |
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299 int hms_succ = 0; |
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300 int tmpyear; |
241 | 301 |
302 time(&retval); | |
303 localtime_r(&retval, &t); | |
304 | |
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305 /* Reset time to midnight (00:00:00) */ |
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306 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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307 |
241 | 308 snprintf(buf, sizeof(buf), "%s", timestamp); |
309 c = buf; | |
310 | |
311 /* 4 digit year */ | |
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312 if (!sscanf(c, "%04d", &tmpyear)) return 0; |
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313 t.tm_year = tmpyear; |
241 | 314 c+=4; |
315 if (*c == '-') | |
316 c++; | |
317 | |
318 t.tm_year -= 1900; | |
319 | |
320 /* 2 digit month */ | |
321 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
322 c+=2; | |
323 if (*c == '-') | |
324 c++; | |
325 | |
326 t.tm_mon -= 1; | |
327 | |
328 /* 2 digit day */ | |
329 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
330 c+=2; | |
331 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
332 c++; /* skip the "T" */ | |
333 | |
334 /* 2 digit hour */ | |
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335 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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336 { |
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337 hms_succ = 1; |
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338 c += 8; |
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339 } |
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340 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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341 { |
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342 hms_succ = 1; |
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343 c += 6; |
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344 } |
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345 |
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346 if (hms_succ) { |
241 | 347 int tzhrs, tzmins; |
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348 |
241 | 349 if (*c == '.') /* dealing with precision we don't care about */ |
350 c += 4; | |
351 | |
352 if ((*c == '+' || *c == '-') && | |
353 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
354 tzoff = tzhrs*60*60 + tzmins*60; | |
355 if (*c == '+') | |
356 tzoff *= -1; | |
357 } | |
358 | |
359 if (tzoff || utc) { | |
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360 #ifdef HAVE_TM_GMTOFF |
241 | 361 tzoff += t.tm_gmtoff; |
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362 #else |
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363 # ifdef HAVE_TIMEZONE |
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364 tzset(); /* making sure */ |
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365 tzoff -= timezone; |
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366 # endif |
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367 #endif |
241 | 368 } |
369 } | |
370 } | |
371 | |
372 t.tm_isdst = -1; | |
373 | |
374 retval = mktime(&t); | |
375 | |
376 retval += tzoff; | |
377 | |
378 return retval; | |
379 } | |
419 | 380 |
452 | 381 /** |
382 * Derived from libjabber/jid.c, because the libjabber version is not | |
383 * really convenient for our usage. | |
384 * | |
385 * Check if the full JID is valid | |
386 * Return 0 if it is valid, non zero otherwise | |
387 */ | |
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388 int check_jid_syntax(const char *fjid) |
452 | 389 { |
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390 const char *str; |
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391 const char *domain, *resource; |
452 | 392 int domlen; |
393 | |
1058 | 394 if (!fjid) return 1; |
452 | 395 |
1058 | 396 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
452 | 397 |
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398 /* the username is optional */ |
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399 if (!domain) { |
1058 | 400 domain = fjid; |
456
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401 } else { |
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402 /* node identifiers may not be longer than 1023 bytes */ |
1058 | 403 if ((domain == fjid) || (domain-fjid > 1023)) |
456
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404 return 1; |
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405 domain++; |
452 | 406 |
456
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407 /* check for low and invalid ascii characters in the username */ |
1058 | 408 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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409 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
456
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410 *str == '<' || *str == '>' || *str == '\'' || |
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411 *str == '"' || *str == '&') { |
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412 return 1; |
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413 } |
452 | 414 } |
456
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415 /* the username is okay as far as we can tell without LIBIDN */ |
452 | 416 } |
417 | |
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418 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 419 |
420 /* the resource is optional */ | |
421 if (resource) { | |
422 domlen = resource - domain; | |
423 resource++; | |
424 /* resources may not be longer than 1023 bytes */ | |
425 if ((*resource == '\0') || strlen(resource) > 1023) | |
426 return 1; | |
427 } else { | |
428 domlen = strlen(domain); | |
429 } | |
430 | |
431 /* there must be a domain identifier */ | |
432 if (domlen == 0) return 1; | |
433 | |
434 /* and it must not be longer than 1023 bytes */ | |
435 if (domlen > 1023) return 1; | |
436 | |
437 /* make sure the hostname is valid characters */ | |
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438 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 439 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
440 return 1; | |
441 } | |
442 | |
443 /* it's okay as far as we can tell without LIBIDN */ | |
444 return 0; | |
445 } | |
446 | |
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447 |
1106 | 448 inline void mc_strtolower(char *str) |
452 | 449 { |
450 if (!str) return; | |
451 for ( ; *str; str++) | |
452 *str = tolower(*str); | |
453 } | |
551
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454 |
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455 // strip_arg_special_chars(string) |
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456 // Remove quotes and backslashes before an escaped quote |
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457 // Only quotes need a backslash |
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458 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
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459 void strip_arg_special_chars(char *s) |
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460 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
461 int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
462 int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
463 char *p; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
464 |
979
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
465 if (!s) return; |
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
466 |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
467 for (p = s; *p; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
468 if (*p == '"') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
469 if (!escape) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
470 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
471 strcpy(p, p+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
472 p--; |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
473 } else |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
474 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
475 } else if (*p == '\\') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
476 if (!escape) { |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
477 strcpy(p, p+1); |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
478 p--; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
479 } |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
480 escape = !escape; |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
481 } else |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
482 escape = FALSE; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
483 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
484 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
485 |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
486 // split_arg(arg, n, preservelast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
487 // 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
|
488 // double quotes. |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
489 // 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
|
490 // 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
|
491 // 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
|
492 // processing of quote chars) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
493 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
494 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
495 char **arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
496 const char *p, *start, *end; |
735 | 497 unsigned int i = 0; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
498 int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
499 int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
500 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
501 arglst = g_new0(char*, n+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
502 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
503 if (!arg || !n) return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
504 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
505 // Skip leading space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
506 for (start = arg; *start && *start == ' '; start++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
507 // End of string pointer |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
508 for (end = start; *end; end++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
509 // Skip trailing space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
510 while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
511 end--; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
512 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
513 for (p = start; p < end; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
514 if (*p == '"' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
515 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
516 if (*p == '\\' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
517 escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
518 else if (escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
519 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
520 if (*p == ' ' && !instring && i+1 < n) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
521 // end of parameter |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
522 *(arglst+i) = g_strndup(start, p-start); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
523 strip_arg_special_chars(*(arglst+i)); |
556 | 524 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 525 p = start-1; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
526 i++; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
527 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
528 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
529 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
530 if (start < end) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
531 *(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
|
532 if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
533 strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
534 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
535 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
536 return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
537 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
538 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
539 // free_arg_lst(arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
540 // Free an array allocated by split_arg() |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
541 void free_arg_lst(char **arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
542 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
543 char **arg_elt; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
544 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
545 for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
546 g_free(*arg_elt); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
547 g_free(arglst); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
548 } |
576 | 549 |
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
550 // 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
|
551 // 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
|
552 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
|
553 { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
554 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
|
555 if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
556 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
|
557 strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
558 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
559 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
560 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
561 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
562 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
563 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
564 // 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
|
565 // 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
|
566 // 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
|
567 // 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
|
568 // 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
|
569 // string after use. |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
570 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
571 { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
572 char *xtext, *linestart; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
573 char *p, *q; |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
574 guint n = 0, bc = 0; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
575 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
576 xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
577 for (p=xtext; *p; p++) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
578 if (*p == '\t') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
579 n++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
580 else if (*p == '\x0d') |
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|
581 bc++; |
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|
582 // XXX Are there other special chars we should filter out? |
727
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583 |
1122
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584 if (!n && !bc) |
727
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|
585 return (char*)text; |
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|
586 |
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|
587 xtext = g_new(char, strlen(text) + 1 + 8*n); |
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588 p = (char*)text; |
1568
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|
589 q = linestart = xtext; |
727
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590 do { |
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591 if (*p == '\t') { |
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592 do { *q++ = ' '; } while ((q-linestart)%8); |
1122
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593 } else if (*p != '\x0d') { |
727
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594 *q++ = *p; |
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595 if (*p =='\n') |
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|
596 linestart = q; |
727
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597 } |
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598 } while (*p++); |
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diff
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|
599 |
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diff
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|
600 return xtext; |
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601 } |
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changeset
|
602 |
1c3620668857
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diff
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|
603 |
803
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diff
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|
604 /* Cygwin's newlib does not have strcasestr() */ |
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605 /* The author of the code before the endif is |
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606 * Jeffrey Stedfast <fejj@ximian.com> |
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607 * and this code is reusable in compliance with the GPL v2. -- somian */ |
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|
608 |
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609 #if !defined(HAVE_STRCASESTR) |
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|
610 |
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611 # define lowercase(c) (isupper ((int) (c)) ? tolower ((int) (c)) : (int) (c)) |
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612 # define bm_index(c, icase) ((icase) ? lowercase (c) : (int) (c)) |
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613 # define bm_equal(c1, c2, icase) ((icase) ? lowercase (c1) == lowercase (c2) : (c1) == (c2)) |
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614 |
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diff
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|
615 /* FIXME: this is just a guess... should really do some performace tests to get an accurate measure */ |
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616 # define bm_optimal(hlen, nlen) (((hlen) ? (hlen) > 20 : 1) && (nlen) > 10 ? 1 : 0) |
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617 |
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618 static unsigned char * |
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619 __boyer_moore (const unsigned char *haystack, size_t haystacklen, |
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620 const unsigned char *needle, size_t needlelen, int icase) |
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|
621 { |
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622 register unsigned char *hc_ptr, *nc_ptr; |
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diff
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|
623 unsigned char *he_ptr, *ne_ptr, *h_ptr; |
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|
624 size_t skiptable[256], n; |
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|
625 register int i; |
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|
626 |
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|
627 #ifdef BOYER_MOORE_CHECKS |
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diff
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|
628 /* we don't need to do these checks since memmem/strstr/etc do it already */ |
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|
629 /* if the haystack is shorter than the needle then we can't possibly match */ |
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630 if (haystacklen < needlelen) |
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631 return NULL; |
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|
632 |
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|
633 /* instant match if the pattern buffer is 0-length */ |
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634 if (needlelen == 0) |
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635 return (unsigned char *) haystack; |
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|
636 #endif /* BOYER_MOORE_CHECKS */ |
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|
637 |
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|
638 /* set a pointer at the end of each string */ |
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639 ne_ptr = (unsigned char *) needle + needlelen - 1; |
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|
640 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
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|
641 |
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diff
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|
642 /* create our skip table */ |
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|
643 for (i = 0; i < 256; i++) |
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|
644 skiptable[i] = needlelen; |
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|
645 for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
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diff
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646 skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
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|
647 |
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diff
changeset
|
648 h_ptr = (unsigned char *) haystack; |
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|
649 while (haystacklen >= needlelen) { |
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changeset
|
650 hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
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diff
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|
651 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
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|
652 |
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diff
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|
653 /* work our way backwards till they don't match */ |
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diff
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|
654 for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
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|
655 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
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diff
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|
656 break; |
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diff
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|
657 |
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diff
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|
658 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
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diff
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|
659 n = skiptable[bm_index (*hc_ptr, icase)]; |
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diff
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|
660 if (n == needlelen && i) |
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diff
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|
661 if (bm_equal (*ne_ptr, ((unsigned char *) needle)[0], icase)) |
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diff
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|
662 n--; |
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diff
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|
663 h_ptr += n; |
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diff
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|
664 haystacklen -= n; |
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diff
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|
665 } else |
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|
666 return (unsigned char *) h_ptr; |
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diff
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|
667 } |
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diff
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|
668 |
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|
669 return NULL; |
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diff
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|
670 } |
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|
671 |
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|
672 /* |
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|
673 * strcasestr: |
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diff
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|
674 * @haystack: string to search |
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|
675 * @needle: substring to search for |
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|
676 * |
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|
677 * Finds the first occurence of the substring @needle within the |
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diff
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|
678 * string @haystack ignoring case. |
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diff
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|
679 * |
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|
680 * Returns a pointer to the beginning of the substring match within |
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diff
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|
681 * @haystack, or NULL if the substring is not found. |
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diff
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|
682 **/ |
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|
683 char * |
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diff
changeset
|
684 strcasestr (const char *haystack, const char *needle) |
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diff
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|
685 { |
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diff
changeset
|
686 register unsigned char *h, *n, *hc, *nc; |
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diff
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|
687 size_t needlelen; |
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diff
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|
688 |
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diff
changeset
|
689 needlelen = strlen (needle); |
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diff
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|
690 |
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diff
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|
691 if (needlelen == 0) { |
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diff
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|
692 return (char *) haystack; |
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693 } else if (bm_optimal (0, needlelen)) { |
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694 return (char *) __boyer_moore ((const unsigned char *) haystack, |
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695 strlen (haystack), |
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696 (const unsigned char *) needle, |
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697 needlelen, 1); |
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698 } |
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699 |
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700 h = (unsigned char *) haystack; |
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701 n = (unsigned char *) needle; |
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702 |
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703 while (*(h + needlelen - 1)) { |
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704 if (lowercase (*h) == lowercase (*n)) { |
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705 for (hc = h + 1, nc = n + 1; *hc && *nc; hc++, nc++) |
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706 if (lowercase (*hc) != lowercase (*nc)) |
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707 break; |
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708 |
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709 if (!*nc) |
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710 return (char *) h; |
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711 } |
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712 h++; |
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713 } |
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714 return NULL; |
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715 } |
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716 #endif /* !HAVE_STRCASESTR */ |
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717 |
1203 | 718 // startswith(str, word, ignore_case) |
1192 | 719 // Returns TRUE if string str starts with word. |
1203 | 720 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 721 { |
1203 | 722 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
723 return TRUE; | |
724 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 725 return TRUE; |
726 return FALSE; | |
727 } | |
728 | |
580 | 729 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |