Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/utils.c @ 1640:bf2258e29834
Remove debug LogPrint() call
author | Mikael Berthe <mikael@lilotux.net> |
---|---|
date | Sun, 25 Oct 2009 23:32:23 +0100 |
parents | d9913c1b35e7 |
children | c3c7d6d0348f |
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 | |
1639 | 24 #include <config.h> |
25 | |
24 | 26 #include <stdio.h> |
27 #include <stdlib.h> | |
77 | 28 #include <string.h> |
24 | 29 #include <stdarg.h> |
802
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30 |
1639 | 31 #ifdef HAVE_LIBIDN |
32 #include <idna.h> | |
33 #include <stringprep.h> | |
34 static char idnprep[1024]; | |
35 #endif | |
36 | |
37 #include <glib.h> | |
1598 | 38 #include <glib/gprintf.h> |
39 | |
802
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40 /* For Cygwin (thanks go to Yitzchak Scott-Thoennes) */ |
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41 #ifdef __CYGWIN__ |
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42 # define timezonevar |
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43 extern long timezone; |
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44 #endif |
24 | 45 #include <time.h> |
362
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46 #include <unistd.h> |
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47 #include <sys/types.h> |
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48 #include <sys/stat.h> |
452 | 49 #include <ctype.h> |
24 | 50 |
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51 #include "utils.h" |
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52 #include "logprint.h" |
241 | 53 |
76 | 54 static int DebugEnabled; |
77 | 55 static char *FName; |
24 | 56 |
1598 | 57 // jidtodisp(jid) |
58 // Strips the resource part from the jid | |
59 // The caller should g_free the result after use. | |
60 char *jidtodisp(const char *fjid) | |
61 { | |
62 char *ptr; | |
63 char *alias; | |
64 | |
65 alias = g_strdup(fjid); | |
66 | |
67 if ((ptr = strchr(alias, JID_RESOURCE_SEPARATOR)) != NULL) { | |
68 *ptr = 0; | |
69 } | |
70 return alias; | |
71 } | |
72 | |
1611
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73 char *jid_get_username(const char *fjid) |
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74 { |
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75 char *ptr; |
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76 char *username; |
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77 |
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78 username = g_strdup(fjid); |
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79 if ((ptr = strchr(username, JID_DOMAIN_SEPARATOR)) != NULL) { |
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80 *ptr = 0; |
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81 } |
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82 return username; |
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83 } |
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84 |
1598 | 85 char *compose_jid(const char *username, const char *servername, |
86 const char *resource) | |
87 { | |
88 char *fjid; | |
89 | |
90 if (!strchr(username, JID_DOMAIN_SEPARATOR)) { | |
91 fjid = g_strdup_printf("%s%c%s%c%s", username, | |
92 JID_DOMAIN_SEPARATOR, servername, | |
93 JID_RESOURCE_SEPARATOR, resource); | |
94 } else { | |
95 fjid = g_strdup_printf("%s%c%s", username, | |
96 JID_RESOURCE_SEPARATOR, resource); | |
97 } | |
98 return fjid; | |
99 } | |
100 | |
101 gboolean jid_equal(const char *jid1, const char *jid2) | |
102 { | |
103 char *a,*b; | |
104 int ret; | |
105 if (!jid1 && !jid2) | |
106 return TRUE; | |
107 if (!jid1 || !jid2) | |
108 return FALSE; | |
109 | |
110 a = jidtodisp(jid1); | |
111 b = jidtodisp(jid2); | |
112 ret = strcasecmp(a, b); | |
113 g_free(a); | |
114 g_free(b); | |
115 return (ret == 0) ? TRUE : FALSE; | |
116 } | |
117 | |
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118 // expand_filename(filename) |
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119 // Expand "~/" with the $HOME env. variable in a file name. |
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120 // The caller must free the string after use. |
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121 char *expand_filename(const char *fname) |
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122 { |
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123 if (!fname) |
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124 return NULL; |
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125 if (!strncmp(fname, "~/", 2)) { |
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126 char *homedir = getenv("HOME"); |
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127 if (homedir) |
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128 return g_strdup_printf("%s%s", homedir, fname+1); |
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129 } |
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130 return g_strdup(fname); |
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131 } |
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132 |
1598 | 133 void fingerprint_to_hex(const unsigned char *fpr, char hex[49]) |
134 { | |
135 int i; | |
136 char *p; | |
137 | |
138 for (p = hex, i = 0; i < 15; i++, p+=3) | |
139 g_sprintf(p, "%02X:", fpr[i]); | |
140 g_sprintf(p, "%02X", fpr[i]); | |
141 hex[48] = '\0'; | |
142 } | |
143 | |
144 gboolean hex_to_fingerprint(const char *hex, char fpr[16]) | |
145 { | |
146 int i; | |
147 char *p; | |
148 | |
149 if (strlen(hex) != 47) | |
150 return FALSE; | |
151 for (i = 0, p = (char*)hex; *p && *(p+1); i++, p += 3) | |
152 fpr[i] = (char) g_ascii_strtoull (p, NULL, 16); | |
153 return TRUE; | |
154 } | |
155 | |
952 | 156 void ut_InitDebug(int level, const char *filename) |
24 | 157 { |
77 | 158 FILE *fp; |
428
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159 struct stat buf; |
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160 int err; |
77 | 161 |
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162 if (level < 1) { |
138 | 163 DebugEnabled = 0; |
164 FName = NULL; | |
165 return; | |
166 } | |
167 | |
168 if (filename) | |
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169 FName = expand_filename(filename); |
77 | 170 else { |
138 | 171 FName = getenv("HOME"); |
172 if (!FName) | |
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173 FName = g_strdup("/tmp/mcabberlog"); |
138 | 174 else { |
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175 FName = g_strdup_printf("%s/mcabberlog", FName); |
138 | 176 } |
77 | 177 } |
24 | 178 |
179 DebugEnabled = level; | |
76 | 180 |
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181 fp = fopen(FName, "a"); |
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182 if (!fp) { |
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183 fprintf(stderr, "ERROR: Cannot open tracelog file\n"); |
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184 return; |
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185 } |
428
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186 |
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187 err = fstat(fileno(fp), &buf); |
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188 if (err || buf.st_uid != geteuid()) { |
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189 fclose(fp); |
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190 DebugEnabled = 0; |
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191 FName = NULL; |
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192 if (err) { |
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193 fprintf(stderr, "ERROR: cannot stat the tracelog file!\n"); |
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194 } else { |
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195 fprintf(stderr, "ERROR: tracelog file does not belong to you!\n"); |
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196 } |
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197 return; |
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198 } |
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199 fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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200 |
1241 | 201 fprintf(fp, "New trace log started.\n----------------------\n"); |
24 | 202 fclose(fp); |
203 } | |
204 | |
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205 void ut_WriteLog(unsigned int flag, const char *data) |
24 | 206 { |
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207 if (!DebugEnabled || !FName) return; |
393 | 208 |
1617 | 209 if (((DebugEnabled >= 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
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210 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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211 FILE *fp = fopen(FName, "a+"); |
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212 if (!fp) { |
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213 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file"); |
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214 return; |
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215 } |
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216 if (fputs(data, fp) == EOF) |
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217 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file"); |
24 | 218 fclose(fp); |
219 } | |
220 } | |
221 | |
362
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222 // checkset_perm(name, setmode) |
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223 // Check the permissions of the "name" file/dir |
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224 // If setmode is true, correct the permissions if they are wrong |
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225 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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226 int checkset_perm(const char *name, unsigned int setmode) |
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227 { |
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228 int fd; |
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229 struct stat buf; |
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230 |
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231 #ifdef __CYGWIN__ |
1460 | 232 // Permission checking isn't efficient on Cygwin |
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233 return 0; |
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234 #endif |
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235 |
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236 fd = stat(name, &buf); |
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237 if (fd == -1) return -1; |
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238 |
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239 if (buf.st_uid != geteuid()) { |
374
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240 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
362
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241 return 1; |
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242 } |
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243 |
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244 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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245 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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246 if (setmode) { |
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247 mode_t newmode = 0; |
374
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248 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
362
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249 if (S_ISDIR(buf.st_mode)) |
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250 newmode |= S_IXUSR; |
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251 newmode |= S_IRUSR | S_IWUSR; |
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252 if (chmod(name, newmode)) { |
374
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253 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
362
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254 return 1; |
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255 } |
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256 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
362
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257 } else { |
374
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258 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
362
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259 return 1; |
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260 } |
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261 } |
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262 |
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263 return 0; |
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264 } |
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265 |
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266 const char *ut_get_tmpdir(void) |
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267 { |
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268 static const char *tmpdir; |
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269 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 270 unsigned int i; |
524
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271 |
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272 if (tmpdir) |
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273 return tmpdir; |
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274 |
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275 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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276 tmpdir = getenv(tmpvars[i]); |
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277 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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278 // Looks ok. |
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279 return tmpdir; |
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280 } |
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281 } |
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282 |
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283 // Default temporary directory |
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284 tmpdir = "/tmp"; |
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285 return tmpdir; |
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286 } |
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287 |
241 | 288 // to_iso8601(dststr, timestamp) |
289 // Convert timestamp to iso8601 format, and store it in dststr. | |
290 // NOTE: dststr should be at last 19 chars long. | |
291 // Return should be 0 | |
292 int to_iso8601(char *dststr, time_t timestamp) | |
293 { | |
294 struct tm *tm_time; | |
295 int ret; | |
296 | |
297 tm_time = gmtime(×tamp); | |
298 | |
299 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
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300 (int)(1900+tm_time->tm_year), tm_time->tm_mon+1, tm_time->tm_mday, |
241 | 301 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
302 | |
303 return ((ret == -1) ? -1 : 0); | |
304 } | |
305 | |
306 // from_iso8601(timestamp, utc) | |
1361 | 307 // This function came from the Pidgin project, gaim_str_to_time(). |
241 | 308 // (Actually date may not be pure iso-8601) |
309 // Thanks, guys! | |
802
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310 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 311 time_t from_iso8601(const char *timestamp, int utc) |
312 { | |
313 struct tm t; | |
314 time_t retval = 0; | |
315 char buf[32]; | |
316 char *c; | |
317 int tzoff = 0; | |
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318 int hms_succ = 0; |
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319 int tmpyear; |
241 | 320 |
321 time(&retval); | |
322 localtime_r(&retval, &t); | |
323 | |
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324 /* Reset time to midnight (00:00:00) */ |
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325 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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326 |
241 | 327 snprintf(buf, sizeof(buf), "%s", timestamp); |
328 c = buf; | |
329 | |
330 /* 4 digit year */ | |
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331 if (!sscanf(c, "%04d", &tmpyear)) return 0; |
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332 t.tm_year = tmpyear; |
241 | 333 c+=4; |
334 if (*c == '-') | |
335 c++; | |
336 | |
337 t.tm_year -= 1900; | |
338 | |
339 /* 2 digit month */ | |
340 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
341 c+=2; | |
342 if (*c == '-') | |
343 c++; | |
344 | |
345 t.tm_mon -= 1; | |
346 | |
347 /* 2 digit day */ | |
348 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
349 c+=2; | |
350 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
351 c++; /* skip the "T" */ | |
352 | |
353 /* 2 digit hour */ | |
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354 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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355 { |
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356 hms_succ = 1; |
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357 c += 8; |
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358 } |
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359 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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360 { |
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361 hms_succ = 1; |
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362 c += 6; |
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363 } |
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364 |
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365 if (hms_succ) { |
241 | 366 int tzhrs, tzmins; |
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367 |
241 | 368 if (*c == '.') /* dealing with precision we don't care about */ |
369 c += 4; | |
370 | |
371 if ((*c == '+' || *c == '-') && | |
372 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
373 tzoff = tzhrs*60*60 + tzmins*60; | |
374 if (*c == '+') | |
375 tzoff *= -1; | |
376 } | |
377 | |
378 if (tzoff || utc) { | |
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379 #ifdef HAVE_TM_GMTOFF |
241 | 380 tzoff += t.tm_gmtoff; |
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381 #else |
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382 # ifdef HAVE_TIMEZONE |
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383 tzset(); /* making sure */ |
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384 tzoff -= timezone; |
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385 # endif |
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386 #endif |
241 | 387 } |
388 } | |
389 } | |
390 | |
391 t.tm_isdst = -1; | |
392 | |
393 retval = mktime(&t); | |
394 | |
395 retval += tzoff; | |
396 | |
397 return retval; | |
398 } | |
419 | 399 |
452 | 400 /** |
401 * Derived from libjabber/jid.c, because the libjabber version is not | |
402 * really convenient for our usage. | |
403 * | |
404 * Check if the full JID is valid | |
405 * Return 0 if it is valid, non zero otherwise | |
406 */ | |
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407 int check_jid_syntax(const char *fjid) |
452 | 408 { |
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409 const char *str; |
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410 const char *domain, *resource; |
452 | 411 int domlen; |
1639 | 412 #ifdef HAVE_LIBIDN |
413 char *idnpp, *ascidnp; | |
414 int r; | |
415 #endif | |
452 | 416 |
1058 | 417 if (!fjid) return 1; |
452 | 418 |
1058 | 419 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
452 | 420 |
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421 /* the username is optional */ |
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422 if (!domain) { |
1058 | 423 domain = fjid; |
456
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424 } else { |
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425 /* node identifiers may not be longer than 1023 bytes */ |
1058 | 426 if ((domain == fjid) || (domain-fjid > 1023)) |
456
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427 return 1; |
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428 domain++; |
452 | 429 |
1639 | 430 #ifdef HAVE_LIBIDN |
431 idnpp = idnprep; | |
432 str = fjid; | |
433 while (*str != JID_DOMAIN_SEPARATOR) | |
434 *idnpp++ = *str++; | |
435 *idnpp = 0; | |
436 | |
437 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_nodeprep); | |
438 if (r != STRINGPREP_OK || !idnprep[0]) | |
439 return 1; | |
440 | |
441 // check the string hasn't been modified, in which case we consider | |
442 // it's a failure (as fjid is read-only) | |
443 idnpp = idnprep; | |
444 str = fjid; | |
445 while (*idnpp) { | |
446 if (*idnpp++ != *str++) | |
447 return 1; | |
448 } | |
449 /* the username looks okay */ | |
450 #else | |
456
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451 /* check for low and invalid ascii characters in the username */ |
1058 | 452 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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453 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
456
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454 *str == '<' || *str == '>' || *str == '\'' || |
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455 *str == '"' || *str == '&') { |
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456 return 1; |
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457 } |
452 | 458 } |
456
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459 /* the username is okay as far as we can tell without LIBIDN */ |
1639 | 460 #endif |
452 | 461 } |
462 | |
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Alexis Hildebrandt <afh [at] 2drop [dot] net>
parents:
952
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463 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 464 |
465 /* the resource is optional */ | |
466 if (resource) { | |
467 domlen = resource - domain; | |
468 resource++; | |
469 /* resources may not be longer than 1023 bytes */ | |
470 if ((*resource == '\0') || strlen(resource) > 1023) | |
471 return 1; | |
1639 | 472 #ifdef HAVE_LIBIDN |
473 strncpy(idnprep, resource, sizeof(idnprep)); | |
474 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_resourceprep); | |
475 if (r != STRINGPREP_OK || !idnprep[0]) | |
476 return 1; | |
477 #endif | |
452 | 478 } else { |
479 domlen = strlen(domain); | |
480 } | |
481 | |
482 /* there must be a domain identifier */ | |
483 if (domlen == 0) return 1; | |
484 | |
485 /* and it must not be longer than 1023 bytes */ | |
486 if (domlen > 1023) return 1; | |
487 | |
1639 | 488 #ifdef HAVE_LIBIDN |
489 idnpp = idnprep; | |
490 str = domain; | |
491 while (*str != '\0' && *str != JID_RESOURCE_SEPARATOR) | |
492 *idnpp++ = *str++; | |
493 *idnpp = 0; | |
494 | |
495 r = stringprep_nameprep(idnprep, 1023); | |
496 if (r != STRINGPREP_OK || !idnprep[0]) | |
497 return 1; | |
498 | |
499 if (idna_to_ascii_8z(idnprep, &ascidnp, IDNA_USE_STD3_ASCII_RULES) != | |
500 IDNA_SUCCESS) | |
501 return 1; | |
502 else | |
503 free(ascidnp); | |
504 | |
505 // check the string hasn't been modified, in which case we consider | |
506 // it's a failure (as fjid is read-only) | |
507 idnpp = idnprep; | |
508 str = domain; | |
509 while (*idnpp) { | |
510 if (*idnpp++ != *str++) | |
511 return 1; | |
512 } | |
513 #else | |
452 | 514 /* make sure the hostname is valid characters */ |
977
5b01de4ac5e1
Cosmetic changes
Alexis Hildebrandt <afh [at] 2drop [dot] net>
parents:
952
diff
changeset
|
515 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 516 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
517 return 1; | |
518 } | |
1639 | 519 #endif |
452 | 520 |
1639 | 521 /* it's okay as far as we can tell */ |
452 | 522 return 0; |
523 } | |
524 | |
551
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Add split_arg() / free_arg_lst()
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525 |
1106 | 526 inline void mc_strtolower(char *str) |
452 | 527 { |
528 if (!str) return; | |
529 for ( ; *str; str++) | |
530 *str = tolower(*str); | |
531 } | |
551
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532 |
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533 // strip_arg_special_chars(string) |
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534 // Remove quotes and backslashes before an escaped quote |
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535 // Only quotes need a backslash |
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536 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
554
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537 void strip_arg_special_chars(char *s) |
551
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538 { |
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539 int instring = FALSE; |
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540 int escape = FALSE; |
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541 char *p; |
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542 |
979
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543 if (!s) return; |
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544 |
551
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545 for (p = s; *p; p++) { |
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546 if (*p == '"') { |
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547 if (!escape) { |
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548 instring = !instring; |
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549 strcpy(p, p+1); |
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550 p--; |
1452
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551 } else |
551
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552 escape = FALSE; |
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553 } else if (*p == '\\') { |
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554 if (!escape) { |
1452
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555 strcpy(p, p+1); |
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556 p--; |
551
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557 } |
1452
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558 escape = !escape; |
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559 } else |
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560 escape = FALSE; |
551
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561 } |
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562 } |
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563 |
554
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564 // split_arg(arg, n, preservelast) |
551
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565 // Split the string arg into a maximum of n pieces, taking care of |
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566 // double quotes. |
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567 // Return a null-terminated array of strings. This array should be freed |
1167
9726c78a91f3
Allow '~' (HOME directory) in config options
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568 // by the caller after use, for example with free_arg_lst(). |
559
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569 // If dontstriplast is true, the Nth argument isn't stripped (i.e. no |
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570 // processing of quote chars) |
554
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571 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
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572 { |
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573 char **arglst; |
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574 const char *p, *start, *end; |
735 | 575 unsigned int i = 0; |
551
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576 int instring = FALSE; |
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577 int escape = FALSE; |
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578 |
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579 arglst = g_new0(char*, n+1); |
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580 |
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581 if (!arg || !n) return arglst; |
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582 |
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583 // Skip leading space |
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584 for (start = arg; *start && *start == ' '; start++) ; |
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585 // End of string pointer |
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586 for (end = start; *end; end++) ; |
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587 // Skip trailing space |
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588 while (end > start+1 && *(end-1) == ' ') |
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589 end--; |
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590 |
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591 for (p = start; p < end; p++) { |
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592 if (*p == '"' && !escape) |
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593 instring = !instring; |
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594 if (*p == '\\' && !escape) |
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595 escape = TRUE; |
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596 else if (escape) |
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597 escape = FALSE; |
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598 if (*p == ' ' && !instring && i+1 < n) { |
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599 // end of parameter |
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600 *(arglst+i) = g_strndup(start, p-start); |
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601 strip_arg_special_chars(*(arglst+i)); |
556 | 602 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 603 p = start-1; |
551
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604 i++; |
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605 } |
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606 } |
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607 |
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608 if (start < end) { |
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609 *(arglst+i) = g_strndup(start, end-start); |
559
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610 if (!dontstriplast || i+1 < n) |
554
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611 strip_arg_special_chars(*(arglst+i)); |
551
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612 } |
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613 |
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614 return arglst; |
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615 } |
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616 |
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617 // free_arg_lst(arglst) |
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618 // Free an array allocated by split_arg() |
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619 void free_arg_lst(char **arglst) |
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620 { |
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621 char **arg_elt; |
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622 |
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623 for (arg_elt = arglst; *arg_elt; arg_elt++) |
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624 g_free(*arg_elt); |
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625 g_free(arglst); |
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626 } |
576 | 627 |
655
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628 // replace_nl_with_dots(bufstr) |
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629 // Replace '\n' with "(...)" (or with a NUL if the string is too short) |
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630 void replace_nl_with_dots(char *bufstr) |
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631 { |
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632 char *p = strchr(bufstr, '\n'); |
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633 if (p) { |
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634 if (strlen(p) >= 5) |
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635 strcpy(p, "(...)"); |
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|
636 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
637 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
638 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
639 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
640 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
641 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
642 // 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
|
643 // 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
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parents:
1106
diff
changeset
|
644 // 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
|
645 // If there are some tabs or bad chars, a new string with expanded chars |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
646 // and no bad chars is returned; this is up to the caller to free this |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
647 // string after use. |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
648 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
649 { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
650 char *xtext, *linestart; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
651 char *p, *q; |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
652 guint n = 0, bc = 0; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
653 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
654 xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
655 for (p=xtext; *p; p++) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
656 if (*p == '\t') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
657 n++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
658 else if (*p == '\x0d') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
659 bc++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
660 // 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
|
661 |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
662 if (!n && !bc) |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
663 return (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
664 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
665 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
|
666 p = (char*)text; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
667 q = linestart = xtext; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
668 do { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
669 if (*p == '\t') { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
670 do { *q++ = ' '; } while ((q-linestart)%8); |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
671 } else if (*p != '\x0d') { |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
672 *q++ = *p; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
673 if (*p =='\n') |
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
674 linestart = q; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
675 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
676 } while (*p++); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
677 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
678 return xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
679 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
680 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
681 |
803
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
682 /* Cygwin's newlib does not have strcasestr() */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
683 /* The author of the code before the endif is |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
684 * Jeffrey Stedfast <fejj@ximian.com> |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
685 * and this code is reusable in compliance with the GPL v2. -- somian */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
686 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
687 #if !defined(HAVE_STRCASESTR) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
688 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
689 # define lowercase(c) (isupper ((int) (c)) ? tolower ((int) (c)) : (int) (c)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
690 # define bm_index(c, icase) ((icase) ? lowercase (c) : (int) (c)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
691 # define bm_equal(c1, c2, icase) ((icase) ? lowercase (c1) == lowercase (c2) : (c1) == (c2)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
692 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
693 /* FIXME: this is just a guess... should really do some performace tests to get an accurate measure */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
694 # define bm_optimal(hlen, nlen) (((hlen) ? (hlen) > 20 : 1) && (nlen) > 10 ? 1 : 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
695 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
696 static unsigned char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
697 __boyer_moore (const unsigned char *haystack, size_t haystacklen, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
698 const unsigned char *needle, size_t needlelen, int icase) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
699 { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
700 register unsigned char *hc_ptr, *nc_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
701 unsigned char *he_ptr, *ne_ptr, *h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
702 size_t skiptable[256], n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
703 register int i; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
704 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
705 #ifdef BOYER_MOORE_CHECKS |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
706 /* we don't need to do these checks since memmem/strstr/etc do it already */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
707 /* if the haystack is shorter than the needle then we can't possibly match */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
708 if (haystacklen < needlelen) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
709 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
710 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
711 /* instant match if the pattern buffer is 0-length */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
712 if (needlelen == 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
713 return (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
714 #endif /* BOYER_MOORE_CHECKS */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
715 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
716 /* set a pointer at the end of each string */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
717 ne_ptr = (unsigned char *) needle + needlelen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
718 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
719 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
720 /* create our skip table */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
721 for (i = 0; i < 256; i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
722 skiptable[i] = needlelen; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
723 for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
724 skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
725 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
726 h_ptr = (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
727 while (haystacklen >= needlelen) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
728 hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
729 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
730 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
731 /* work our way backwards till they don't match */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
732 for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
733 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
734 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
735 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
736 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
737 n = skiptable[bm_index (*hc_ptr, icase)]; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
738 if (n == needlelen && i) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
739 if (bm_equal (*ne_ptr, ((unsigned char *) needle)[0], icase)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
740 n--; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
741 h_ptr += n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
742 haystacklen -= n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
743 } else |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
744 return (unsigned char *) h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
745 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
746 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
747 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
748 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
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749 |
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parents:
802
diff
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750 /* |
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parents:
802
diff
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|
751 * strcasestr: |
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|
752 * @haystack: string to search |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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753 * @needle: substring to search for |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
754 * |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
755 * Finds the first occurence of the substring @needle within the |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
756 * string @haystack ignoring case. |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
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|
757 * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
758 * Returns a pointer to the beginning of the substring match within |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
759 * @haystack, or NULL if the substring is not found. |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
760 **/ |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
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761 char * |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
762 strcasestr (const char *haystack, const char *needle) |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
763 { |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
764 register unsigned char *h, *n, *hc, *nc; |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
765 size_t needlelen; |
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Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
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|
766 |
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Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
767 needlelen = strlen (needle); |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
768 |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
769 if (needlelen == 0) { |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
770 return (char *) haystack; |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
771 } else if (bm_optimal (0, needlelen)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
772 return (char *) __boyer_moore ((const unsigned char *) haystack, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
773 strlen (haystack), |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
774 (const unsigned char *) needle, |
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Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
775 needlelen, 1); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
776 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
777 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
778 h = (unsigned char *) haystack; |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
779 n = (unsigned char *) needle; |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
780 |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
781 while (*(h + needlelen - 1)) { |
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Soren Andersen <somian@pobox.com>
parents:
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782 if (lowercase (*h) == lowercase (*n)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
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|
783 for (hc = h + 1, nc = n + 1; *hc && *nc; hc++, nc++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
784 if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
785 break; |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
786 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
787 if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
788 return (char *) h; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
789 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
790 h++; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
791 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
792 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
793 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
794 #endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
795 |
1203 | 796 // startswith(str, word, ignore_case) |
1192 | 797 // Returns TRUE if string str starts with word. |
1203 | 798 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 799 { |
1203 | 800 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
801 return TRUE; | |
802 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 803 return TRUE; |
804 return FALSE; | |
805 } | |
806 | |
580 | 807 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |