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annotate mcabber/src/utils.c @ 1644:73fc85ea0b4b
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author | Mikael Berthe <mikael@lilotux.net> |
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date | Tue, 03 Nov 2009 22:38:02 +0100 |
parents | c3c7d6d0348f |
children |
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> |
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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 | |
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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 | |
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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; |
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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 | |
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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 |
524
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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; | |
802
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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 |
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413 char *idnpp; |
1639 | 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 |
456
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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 /* the username looks okay */ | |
441 #else | |
456
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442 /* check for low and invalid ascii characters in the username */ |
1058 | 443 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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444 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
456
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445 *str == '<' || *str == '>' || *str == '\'' || |
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446 *str == '"' || *str == '&') { |
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447 return 1; |
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448 } |
452 | 449 } |
456
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450 /* the username is okay as far as we can tell without LIBIDN */ |
1639 | 451 #endif |
452 | 452 } |
453 | |
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454 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 455 |
456 /* the resource is optional */ | |
457 if (resource) { | |
458 domlen = resource - domain; | |
459 resource++; | |
460 /* resources may not be longer than 1023 bytes */ | |
461 if ((*resource == '\0') || strlen(resource) > 1023) | |
462 return 1; | |
1639 | 463 #ifdef HAVE_LIBIDN |
464 strncpy(idnprep, resource, sizeof(idnprep)); | |
465 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_resourceprep); | |
466 if (r != STRINGPREP_OK || !idnprep[0]) | |
467 return 1; | |
468 #endif | |
452 | 469 } else { |
470 domlen = strlen(domain); | |
471 } | |
472 | |
473 /* there must be a domain identifier */ | |
474 if (domlen == 0) return 1; | |
475 | |
476 /* and it must not be longer than 1023 bytes */ | |
477 if (domlen > 1023) return 1; | |
478 | |
1639 | 479 #ifdef HAVE_LIBIDN |
480 idnpp = idnprep; | |
481 str = domain; | |
482 while (*str != '\0' && *str != JID_RESOURCE_SEPARATOR) | |
483 *idnpp++ = *str++; | |
484 *idnpp = 0; | |
485 | |
486 r = stringprep_nameprep(idnprep, 1023); | |
487 if (r != STRINGPREP_OK || !idnprep[0]) | |
488 return 1; | |
489 | |
1641
c3c7d6d0348f
Remove (probably) unnecessary check
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parents:
1640
diff
changeset
|
490 if (idna_to_ascii_8z(idnprep, &idnpp, IDNA_USE_STD3_ASCII_RULES) != |
1639 | 491 IDNA_SUCCESS) |
492 return 1; | |
493 else | |
1641
c3c7d6d0348f
Remove (probably) unnecessary check
Mikael Berthe <mikael@lilotux.net>
parents:
1640
diff
changeset
|
494 free(idnpp); |
1639 | 495 #else |
452 | 496 /* make sure the hostname is valid characters */ |
977
5b01de4ac5e1
Cosmetic changes
Alexis Hildebrandt <afh [at] 2drop [dot] net>
parents:
952
diff
changeset
|
497 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 498 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
499 return 1; | |
500 } | |
1639 | 501 #endif |
452 | 502 |
1639 | 503 /* it's okay as far as we can tell */ |
452 | 504 return 0; |
505 } | |
506 | |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
507 |
1106 | 508 inline void mc_strtolower(char *str) |
452 | 509 { |
510 if (!str) return; | |
511 for ( ; *str; str++) | |
512 *str = tolower(*str); | |
513 } | |
551
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
514 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
515 // strip_arg_special_chars(string) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
516 // Remove quotes and backslashes before an escaped quote |
c71699efa5cc
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parents:
524
diff
changeset
|
517 // Only quotes need a backslash |
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
518 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
519 void strip_arg_special_chars(char *s) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
520 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
521 int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
522 int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
523 char *p; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
524 |
979
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
525 if (!s) return; |
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
526 |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
527 for (p = s; *p; p++) { |
c71699efa5cc
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parents:
524
diff
changeset
|
528 if (*p == '"') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
529 if (!escape) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
530 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
531 strcpy(p, p+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
532 p--; |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
533 } else |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
534 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
535 } else if (*p == '\\') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
536 if (!escape) { |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
537 strcpy(p, p+1); |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
538 p--; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
539 } |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
540 escape = !escape; |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
541 } else |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
542 escape = FALSE; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
543 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
544 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
545 |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
546 // split_arg(arg, n, preservelast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
547 // Split the string arg into a maximum of n pieces, taking care of |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
548 // double quotes. |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
549 // 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
|
550 // 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
|
551 // 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
|
552 // processing of quote chars) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
553 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
|
554 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
555 char **arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
556 const char *p, *start, *end; |
735 | 557 unsigned int i = 0; |
551
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
558 int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
559 int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
560 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
561 arglst = g_new0(char*, n+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
562 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
563 if (!arg || !n) return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
564 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
565 // Skip leading space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
566 for (start = arg; *start && *start == ' '; start++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
567 // End of string pointer |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
568 for (end = start; *end; end++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
569 // Skip trailing space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
570 while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
571 end--; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
572 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
573 for (p = start; p < end; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
574 if (*p == '"' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
575 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
576 if (*p == '\\' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
577 escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
578 else if (escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
579 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
580 if (*p == ' ' && !instring && i+1 < n) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
581 // end of parameter |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
582 *(arglst+i) = g_strndup(start, p-start); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
583 strip_arg_special_chars(*(arglst+i)); |
556 | 584 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 585 p = start-1; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
586 i++; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
587 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
588 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
589 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
590 if (start < end) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
591 *(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
|
592 if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
593 strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
594 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
595 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
596 return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
597 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
598 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
599 // free_arg_lst(arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
600 // Free an array allocated by split_arg() |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
601 void free_arg_lst(char **arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
602 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
603 char **arg_elt; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
604 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
605 for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
606 g_free(*arg_elt); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
607 g_free(arglst); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
608 } |
576 | 609 |
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
610 // 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
|
611 // 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
|
612 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
|
613 { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
614 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
|
615 if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
616 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
|
617 strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
618 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
619 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
620 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
621 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
622 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
623 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
624 // Expand tabs and filter out some bad chars in string text. |
648fe6f715a6
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parents:
1106
diff
changeset
|
625 // If there is no tab and no bad chars in the string, a pointer to text |
648fe6f715a6
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parents:
1106
diff
changeset
|
626 // is returned (be careful _not_ to free the pointer in this case). |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
627 // If there are some tabs or bad chars, a new string with expanded chars |
648fe6f715a6
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parents:
1106
diff
changeset
|
628 // 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
|
629 // string after use. |
727
1c3620668857
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parents:
699
diff
changeset
|
630 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
631 { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
632 char *xtext, *linestart; |
727
1c3620668857
Expand tabs when reading history files
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parents:
699
diff
changeset
|
633 char *p, *q; |
1122
648fe6f715a6
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parents:
1106
diff
changeset
|
634 guint n = 0, bc = 0; |
727
1c3620668857
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parents:
699
diff
changeset
|
635 |
1c3620668857
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parents:
699
diff
changeset
|
636 xtext = (char*)text; |
1c3620668857
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parents:
699
diff
changeset
|
637 for (p=xtext; *p; p++) |
1122
648fe6f715a6
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parents:
1106
diff
changeset
|
638 if (*p == '\t') |
648fe6f715a6
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parents:
1106
diff
changeset
|
639 n++; |
648fe6f715a6
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parents:
1106
diff
changeset
|
640 else if (*p == '\x0d') |
648fe6f715a6
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parents:
1106
diff
changeset
|
641 bc++; |
648fe6f715a6
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parents:
1106
diff
changeset
|
642 // 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
|
643 |
1122
648fe6f715a6
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Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
644 if (!n && !bc) |
727
1c3620668857
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parents:
699
diff
changeset
|
645 return (char*)text; |
1c3620668857
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parents:
699
diff
changeset
|
646 |
1c3620668857
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parents:
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diff
changeset
|
647 xtext = g_new(char, strlen(text) + 1 + 8*n); |
1c3620668857
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Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
648 p = (char*)text; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
649 q = linestart = xtext; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
650 do { |
1c3620668857
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Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
651 if (*p == '\t') { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
652 do { *q++ = ' '; } while ((q-linestart)%8); |
1122
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Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
653 } else if (*p != '\x0d') { |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
654 *q++ = *p; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
655 if (*p =='\n') |
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
656 linestart = q; |
727
1c3620668857
Expand tabs when reading history files
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parents:
699
diff
changeset
|
657 } |
1c3620668857
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parents:
699
diff
changeset
|
658 } while (*p++); |
1c3620668857
Expand tabs when reading history files
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parents:
699
diff
changeset
|
659 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
660 return xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
661 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
662 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
663 |
803
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
664 /* Cygwin's newlib does not have strcasestr() */ |
8f8d8f8157a2
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parents:
802
diff
changeset
|
665 /* The author of the code before the endif is |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
666 * Jeffrey Stedfast <fejj@ximian.com> |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
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diff
changeset
|
667 * and this code is reusable in compliance with the GPL v2. -- somian */ |
8f8d8f8157a2
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parents:
802
diff
changeset
|
668 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
669 #if !defined(HAVE_STRCASESTR) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
670 |
8f8d8f8157a2
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parents:
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diff
changeset
|
671 # define lowercase(c) (isupper ((int) (c)) ? tolower ((int) (c)) : (int) (c)) |
8f8d8f8157a2
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parents:
802
diff
changeset
|
672 # define bm_index(c, icase) ((icase) ? lowercase (c) : (int) (c)) |
8f8d8f8157a2
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parents:
802
diff
changeset
|
673 # define bm_equal(c1, c2, icase) ((icase) ? lowercase (c1) == lowercase (c2) : (c1) == (c2)) |
8f8d8f8157a2
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parents:
802
diff
changeset
|
674 |
8f8d8f8157a2
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parents:
802
diff
changeset
|
675 /* FIXME: this is just a guess... should really do some performace tests to get an accurate measure */ |
8f8d8f8157a2
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parents:
802
diff
changeset
|
676 # define bm_optimal(hlen, nlen) (((hlen) ? (hlen) > 20 : 1) && (nlen) > 10 ? 1 : 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
677 |
8f8d8f8157a2
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parents:
802
diff
changeset
|
678 static unsigned char * |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
679 __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
|
680 const unsigned char *needle, size_t needlelen, int icase) |
8f8d8f8157a2
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parents:
802
diff
changeset
|
681 { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
682 register unsigned char *hc_ptr, *nc_ptr; |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
683 unsigned char *he_ptr, *ne_ptr, *h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
684 size_t skiptable[256], n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
685 register int i; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
686 |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
687 #ifdef BOYER_MOORE_CHECKS |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
688 /* 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
|
689 /* 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
|
690 if (haystacklen < needlelen) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
691 return NULL; |
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 /* instant match if the pattern buffer is 0-length */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
694 if (needlelen == 0) |
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parents:
802
diff
changeset
|
695 return (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
696 #endif /* BOYER_MOORE_CHECKS */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
697 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
698 /* set a pointer at the end of each string */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
699 ne_ptr = (unsigned char *) needle + needlelen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
700 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
701 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
702 /* create our skip table */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
703 for (i = 0; i < 256; i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
704 skiptable[i] = needlelen; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
705 for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
706 skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
707 |
8f8d8f8157a2
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parents:
802
diff
changeset
|
708 h_ptr = (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
709 while (haystacklen >= needlelen) { |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
710 hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
711 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
712 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
713 /* 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
|
714 for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
715 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
716 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
717 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
718 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
719 n = skiptable[bm_index (*hc_ptr, icase)]; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
720 if (n == needlelen && i) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
721 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
|
722 n--; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
723 h_ptr += n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
724 haystacklen -= n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
725 } else |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
726 return (unsigned char *) h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
727 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
728 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
729 return NULL; |
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 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
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|
732 /* |
8f8d8f8157a2
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parents:
802
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733 * strcasestr: |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
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802
diff
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|
734 * @haystack: string to search |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
735 * @needle: substring to search for |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
736 * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
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737 * 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
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|
738 * string @haystack ignoring case. |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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739 * |
8f8d8f8157a2
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parents:
802
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|
740 * Returns a pointer to the beginning of the substring match within |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
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741 * @haystack, or NULL if the substring is not found. |
8f8d8f8157a2
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parents:
802
diff
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|
742 **/ |
8f8d8f8157a2
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802
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743 char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
744 strcasestr (const char *haystack, const char *needle) |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
745 { |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
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|
746 register unsigned char *h, *n, *hc, *nc; |
8f8d8f8157a2
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parents:
802
diff
changeset
|
747 size_t needlelen; |
8f8d8f8157a2
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parents:
802
diff
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|
748 |
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Soren Andersen <somian@pobox.com>
parents:
802
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749 needlelen = strlen (needle); |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
750 |
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Soren Andersen <somian@pobox.com>
parents:
802
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|
751 if (needlelen == 0) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
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|
752 return (char *) haystack; |
8f8d8f8157a2
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parents:
802
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|
753 } else if (bm_optimal (0, needlelen)) { |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
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|
754 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
|
755 strlen (haystack), |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
756 (const unsigned char *) needle, |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
757 needlelen, 1); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
758 } |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
759 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
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|
760 h = (unsigned char *) haystack; |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
761 n = (unsigned char *) needle; |
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parents:
802
diff
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|
762 |
8f8d8f8157a2
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parents:
802
diff
changeset
|
763 while (*(h + needlelen - 1)) { |
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parents:
802
diff
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|
764 if (lowercase (*h) == lowercase (*n)) { |
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Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
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|
765 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
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|
766 if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
767 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
768 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
769 if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
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|
770 return (char *) h; |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
771 } |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
772 h++; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
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|
773 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
774 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
775 } |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
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|
776 #endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
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|
777 |
1203 | 778 // startswith(str, word, ignore_case) |
1192 | 779 // Returns TRUE if string str starts with word. |
1203 | 780 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 781 { |
1203 | 782 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
783 return TRUE; | |
784 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 785 return TRUE; |
786 return FALSE; | |
787 } | |
788 | |
580 | 789 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |