Mercurial > ~mikael > mcabber > hg
annotate mcabber/mcabber/utils.c @ 2270:5d05e8128ef4
Use nick to set the role
This should fix issue #152, reported by Stefan Haller.
author | Mikael Berthe <mikael@lilotux.net> |
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date | Sat, 17 Sep 2016 10:02:56 +0200 |
parents | f5402d705f67 |
children | 6e1ead98930d |
rev | line source |
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241 | 1 /* |
2 * utils.c -- Various utility functions | |
393 | 3 * |
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4 * Copyright (C) 2005-2014 Mikael Berthe <mikael@lilotux.net> |
1599 | 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 | |
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19 * along with this program; if not, see <http://www.gnu.org/licenses/>. |
241 | 20 */ |
21 | |
1639 | 22 #include <config.h> |
23 | |
24 | 24 #include <stdio.h> |
25 #include <stdlib.h> | |
77 | 26 #include <string.h> |
24 | 27 #include <stdarg.h> |
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28 #include <errno.h> |
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29 |
1639 | 30 #ifdef HAVE_LIBIDN |
31 #include <idna.h> | |
32 #include <stringprep.h> | |
33 static char idnprep[1024]; | |
34 #endif | |
35 | |
36 #include <glib.h> | |
1598 | 37 #include <glib/gprintf.h> |
38 | |
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39 /* For Cygwin (thanks go to Yitzchak Scott-Thoennes) */ |
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40 #ifdef __CYGWIN__ |
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41 # define timezonevar |
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42 extern long timezone; |
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43 #endif |
24 | 44 #include <time.h> |
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45 #include <unistd.h> |
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46 #include <sys/types.h> |
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47 #include <sys/stat.h> |
452 | 48 #include <ctype.h> |
24 | 49 |
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50 #include "utils.h" |
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51 #include "logprint.h" |
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52 #include "settings.h" |
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53 #include "main.h" |
241 | 54 |
76 | 55 static int DebugEnabled; |
77 | 56 static char *FName; |
24 | 57 |
1598 | 58 // jidtodisp(jid) |
59 // Strips the resource part from the jid | |
60 // The caller should g_free the result after use. | |
61 char *jidtodisp(const char *fjid) | |
62 { | |
63 char *ptr; | |
64 char *alias; | |
65 | |
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66 if (!fjid) { |
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67 scr_LogPrint(LPRINT_LOGNORM, "** jidtodisp: NULL JID, " |
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68 "this is probably a bug, please report!"); |
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69 return NULL; |
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70 } |
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71 |
1598 | 72 alias = g_strdup(fjid); |
73 | |
74 if ((ptr = strchr(alias, JID_RESOURCE_SEPARATOR)) != NULL) { | |
75 *ptr = 0; | |
76 } | |
77 return alias; | |
78 } | |
79 | |
2111 | 80 // The caller must free the string after use. |
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81 char *jid_get_username(const char *fjid) |
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82 { |
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83 char *ptr; |
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84 char *username; |
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85 |
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86 username = g_strdup(fjid); |
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87 if ((ptr = strchr(username, JID_DOMAIN_SEPARATOR)) != NULL) { |
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88 *ptr = 0; |
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89 } |
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90 return username; |
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91 } |
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92 |
2111 | 93 // The caller must free the string after use. |
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94 char *get_servername(const char *username, const char *servername) |
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95 { |
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96 char *ptr; |
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97 char *server; |
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98 |
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99 if ((ptr = strchr(username, JID_DOMAIN_SEPARATOR)) != NULL) { |
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100 server = g_strdup(ptr+1); |
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101 return server; |
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102 } |
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103 |
2111 | 104 return g_strdup(servername); |
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105 } |
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106 |
2111 | 107 // The caller must free the string after use. |
1598 | 108 char *compose_jid(const char *username, const char *servername, |
109 const char *resource) | |
110 { | |
111 char *fjid; | |
112 | |
113 if (!strchr(username, JID_DOMAIN_SEPARATOR)) { | |
114 fjid = g_strdup_printf("%s%c%s%c%s", username, | |
115 JID_DOMAIN_SEPARATOR, servername, | |
116 JID_RESOURCE_SEPARATOR, resource); | |
117 } else { | |
118 fjid = g_strdup_printf("%s%c%s", username, | |
119 JID_RESOURCE_SEPARATOR, resource); | |
120 } | |
121 return fjid; | |
122 } | |
123 | |
124 gboolean jid_equal(const char *jid1, const char *jid2) | |
125 { | |
126 char *a,*b; | |
127 int ret; | |
128 if (!jid1 && !jid2) | |
129 return TRUE; | |
130 if (!jid1 || !jid2) | |
131 return FALSE; | |
132 | |
133 a = jidtodisp(jid1); | |
134 b = jidtodisp(jid2); | |
135 ret = strcasecmp(a, b); | |
136 g_free(a); | |
137 g_free(b); | |
138 return (ret == 0) ? TRUE : FALSE; | |
139 } | |
140 | |
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141 // expand_filename(filename) |
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142 // Expand "~/" with the $HOME env. variable in a file name. |
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143 // The caller must free the string after use. |
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144 char *expand_filename(const char *fname) |
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145 { |
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146 if (!fname) |
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147 return NULL; |
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148 if (!strncmp(fname, "~/", 2)) { |
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149 char *homedir = getenv("HOME"); |
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150 if (homedir) |
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151 return g_strdup_printf("%s%s", homedir, fname+1); |
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152 } |
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153 return g_strdup(fname); |
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154 } |
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155 |
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156 #ifndef LOUDMOUTH_USES_SHA256 |
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157 // fingerprint_to_hex(fprstr, hex, fpr_len) |
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158 // Convert the binary fingerprint fprstr (which is fpr_len bytes long) |
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159 // to a NULL-terminated hexadecimal string hex. |
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160 // The destination array hex should have been preallocated by the caller, |
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161 // and should be big enough (i.e. >= 3*fpr_len bytes). |
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162 void fingerprint_to_hex(const char *fprstr, char *hex, size_t fpr_len) |
1598 | 163 { |
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164 unsigned int i; |
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165 const unsigned char *fpr = (const unsigned char *)fprstr; |
1598 | 166 char *p; |
167 | |
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168 hex[0] = 0; |
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169 if (!fpr || fpr_len < 16) return; |
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170 |
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171 for (p = hex, i = 0; i < fpr_len - 1; i++, p+=3) |
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172 g_snprintf(p, 4, "%02X:", fpr[i]); |
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173 g_snprintf(p, 3, "%02X", fpr[i]); |
1598 | 174 } |
175 | |
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176 // hex_to_fingerprint(hex, fpr, fpr_len) |
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177 // Convert the hexadecimal fingerprint hex to a byte array fpr[]. |
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178 // The fpr array should have been preallocated with a size >= fpr_len. |
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179 gboolean hex_to_fingerprint(const char *hex, char *fpr, size_t fpr_len) |
1598 | 180 { |
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181 unsigned int i; |
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182 const char *p; |
1598 | 183 |
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184 if (fpr_len < 16) return FALSE; |
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185 |
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186 fpr[0] = 0; |
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187 |
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188 if (strlen(hex) != fpr_len*3 - 1) |
1598 | 189 return FALSE; |
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190 |
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191 for (i = 0, p = hex; i < fpr_len && *p && *(p+1); i++, p += 3) { |
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192 // Check we have two hex digits followed by a colon (or end of string) |
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193 if (!isxdigit(*p) || !isxdigit(*(p+1))) |
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194 return FALSE; |
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195 if (*(p+2) && (*(p+2) != ':')) |
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196 return FALSE; |
2197
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197 fpr[i] = (char)g_ascii_strtoull(p, NULL, 16); |
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198 } |
1598 | 199 return TRUE; |
200 } | |
2248
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201 #endif |
1598 | 202 |
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203 static gboolean tracelog_create(void) |
24 | 204 { |
77 | 205 FILE *fp; |
428
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206 struct stat buf; |
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207 int err; |
1897
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208 char *v; |
77 | 209 |
374
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210 fp = fopen(FName, "a"); |
378
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211 if (!fp) { |
2135
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212 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s", |
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213 strerror(errno)); |
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214 return FALSE; |
378
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215 } |
428
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216 |
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217 err = fstat(fileno(fp), &buf); |
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218 if (err || buf.st_uid != geteuid()) { |
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219 fclose(fp); |
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220 if (err) |
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221 scr_LogPrint(LPRINT_NORMAL, "ERROR: cannot stat the tracelog file: %s", |
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222 strerror(errno)); |
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223 else |
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224 scr_LogPrint(LPRINT_NORMAL, "ERROR: tracelog file does not belong to you!"); |
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225 return FALSE; |
428
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226 } |
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227 |
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228 if (fchmod(fileno(fp), S_IRUSR|S_IWUSR)) { |
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229 scr_LogPrint(LPRINT_NORMAL, "WARNING: Cannot set tracelog file permissions: %s", |
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230 strerror(errno)); |
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231 } |
428
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232 |
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233 v = mcabber_version(); |
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234 fprintf(fp, "New trace log started. MCabber version %s\n" |
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235 "----------------------\n", v); |
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236 g_free(v); |
24 | 237 fclose(fp); |
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238 return TRUE; |
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239 } |
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240 |
2111 | 241 // The caller must free the string after use. |
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242 static gchar *tracelog_level_guard(const gchar *key, const gchar *new_value) |
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|
243 { |
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|
244 int new_level = 0; |
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245 if (new_value) |
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|
246 new_level = atoi(new_value); |
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247 if (DebugEnabled < 1 && new_level > 0 && FName && !tracelog_create()) |
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248 DebugEnabled = 0; |
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|
249 else |
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|
250 DebugEnabled = new_level; |
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251 return g_strdup(new_value); |
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252 } |
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|
253 |
2111 | 254 // The caller must free the string after use. |
1674
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|
255 static gchar *tracelog_file_guard(const gchar *key, const gchar *new_value) |
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|
256 { |
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|
257 gchar *new_fname = NULL; |
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|
258 |
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|
259 if (new_value) |
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|
260 new_fname = expand_filename(new_value); |
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|
261 |
f02e7076ccec
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|
262 if (g_strcmp0(FName, new_fname)) { |
f02e7076ccec
Use option guards for tracelog
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|
263 g_free(FName); |
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Use option guards for tracelog
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|
264 FName = new_fname; |
f02e7076ccec
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|
265 if (DebugEnabled > 0 && !tracelog_create()) { |
f02e7076ccec
Use option guards for tracelog
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|
266 g_free(FName); |
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Use option guards for tracelog
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|
267 FName = NULL; |
f02e7076ccec
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|
268 } |
f02e7076ccec
Use option guards for tracelog
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diff
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|
269 } else |
f02e7076ccec
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|
270 g_free(new_fname); |
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|
271 |
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|
272 return g_strdup(new_value); |
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|
273 } |
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|
274 |
1780
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changeset
|
275 // ut_init_debug() |
2111 | 276 // Install option guards before initial config file parsing. |
1780
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Major API cleanup - bump API to 4
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|
277 void ut_init_debug(void) |
1674
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|
278 { |
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|
279 DebugEnabled = 0; |
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|
280 FName = NULL; |
f02e7076ccec
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|
281 settings_set_guard("tracelog_level", tracelog_level_guard); |
f02e7076ccec
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|
282 settings_set_guard("tracelog_file", tracelog_file_guard); |
24 | 283 } |
284 | |
1780
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Major API cleanup - bump API to 4
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changeset
|
285 void ut_write_log(unsigned int flag, const char *data) |
24 | 286 { |
374
bd5638c21834
Improve logging system (traces)
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diff
changeset
|
287 if (!DebugEnabled || !FName) return; |
393 | 288 |
1617 | 289 if (((DebugEnabled >= 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
374
bd5638c21834
Improve logging system (traces)
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diff
changeset
|
290 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
bd5638c21834
Improve logging system (traces)
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diff
changeset
|
291 FILE *fp = fopen(FName, "a+"); |
378
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Improve debugging/logging
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diff
changeset
|
292 if (!fp) { |
1674
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Use option guards for tracelog
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|
293 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s.", |
f02e7076ccec
Use option guards for tracelog
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diff
changeset
|
294 strerror(errno)); |
378
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diff
changeset
|
295 return; |
2e6c7b1440d1
Improve debugging/logging
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changeset
|
296 } |
2135
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Set the trace log file permissions again when we write to it
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|
297 |
361603828d9e
Set the trace log file permissions again when we write to it
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changeset
|
298 // Check file permissions again (it could be a new file) |
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Set the trace log file permissions again when we write to it
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changeset
|
299 fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
361603828d9e
Set the trace log file permissions again when we write to it
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diff
changeset
|
300 |
1531
9f92c0edde1c
Display a warning when writing to the tracelog file fails
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parents:
1460
diff
changeset
|
301 if (fputs(data, fp) == EOF) |
1674
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Use option guards for tracelog
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diff
changeset
|
302 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file."); |
24 | 303 fclose(fp); |
304 } | |
305 } | |
306 | |
362
d8f147d6e872
Check directory and config file permissions
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parents:
281
diff
changeset
|
307 // checkset_perm(name, setmode) |
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Check directory and config file permissions
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diff
changeset
|
308 // Check the permissions of the "name" file/dir |
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Check directory and config file permissions
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diff
changeset
|
309 // If setmode is true, correct the permissions if they are wrong |
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diff
changeset
|
310 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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281
diff
changeset
|
311 int checkset_perm(const char *name, unsigned int setmode) |
d8f147d6e872
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parents:
281
diff
changeset
|
312 { |
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Check directory and config file permissions
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281
diff
changeset
|
313 int fd; |
d8f147d6e872
Check directory and config file permissions
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diff
changeset
|
314 struct stat buf; |
d8f147d6e872
Check directory and config file permissions
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parents:
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diff
changeset
|
315 |
2253
5a107c907e71
Read $HOME/.mcabberrc if there is no mcabber configuration directory
Mikael Berthe <mikael@lilotux.net>
parents:
2248
diff
changeset
|
316 if (!name) return -1; |
5a107c907e71
Read $HOME/.mcabberrc if there is no mcabber configuration directory
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parents:
2248
diff
changeset
|
317 |
816
a6628f0aabc1
Skip file permission checks on Cygwin
Mikael Berthe <mikael@lilotux.net>
parents:
803
diff
changeset
|
318 #ifdef __CYGWIN__ |
1460 | 319 // Permission checking isn't efficient on Cygwin |
816
a6628f0aabc1
Skip file permission checks on Cygwin
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parents:
803
diff
changeset
|
320 return 0; |
a6628f0aabc1
Skip file permission checks on Cygwin
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parents:
803
diff
changeset
|
321 #endif |
a6628f0aabc1
Skip file permission checks on Cygwin
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parents:
803
diff
changeset
|
322 |
1459
d76eff4ed71d
Use stat() to check permissions in checkset_perm() (Dave Holland)
Mikael Berthe <mikael@lilotux.net>
parents:
1458
diff
changeset
|
323 fd = stat(name, &buf); |
362
d8f147d6e872
Check directory and config file permissions
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parents:
281
diff
changeset
|
324 if (fd == -1) return -1; |
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Check directory and config file permissions
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281
diff
changeset
|
325 |
d8f147d6e872
Check directory and config file permissions
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parents:
281
diff
changeset
|
326 if (buf.st_uid != geteuid()) { |
374
bd5638c21834
Improve logging system (traces)
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parents:
364
diff
changeset
|
327 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
362
d8f147d6e872
Check directory and config file permissions
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parents:
281
diff
changeset
|
328 return 1; |
d8f147d6e872
Check directory and config file permissions
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parents:
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329 } |
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330 |
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331 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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332 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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333 if (setmode) { |
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334 mode_t newmode = 0; |
374
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335 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
362
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336 if (S_ISDIR(buf.st_mode)) |
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337 newmode |= S_IXUSR; |
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338 newmode |= S_IRUSR | S_IWUSR; |
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339 if (chmod(name, newmode)) { |
374
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340 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
362
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341 return 1; |
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342 } |
374
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343 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
362
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344 } else { |
374
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345 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
362
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346 return 1; |
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347 } |
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348 } |
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349 |
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350 return 0; |
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351 } |
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352 |
524
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353 const char *ut_get_tmpdir(void) |
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354 { |
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355 static const char *tmpdir; |
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356 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 357 unsigned int i; |
524
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358 |
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359 if (tmpdir) |
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360 return tmpdir; |
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361 |
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362 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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363 tmpdir = getenv(tmpvars[i]); |
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364 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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365 // Looks ok. |
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366 return tmpdir; |
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367 } |
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368 } |
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369 |
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370 // Default temporary directory |
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371 tmpdir = "/tmp"; |
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372 return tmpdir; |
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373 } |
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374 |
241 | 375 // to_iso8601(dststr, timestamp) |
376 // Convert timestamp to iso8601 format, and store it in dststr. | |
377 // NOTE: dststr should be at last 19 chars long. | |
378 // Return should be 0 | |
379 int to_iso8601(char *dststr, time_t timestamp) | |
380 { | |
381 struct tm *tm_time; | |
382 int ret; | |
383 | |
384 tm_time = gmtime(×tamp); | |
385 | |
386 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
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387 (int)(1900+tm_time->tm_year), tm_time->tm_mon+1, tm_time->tm_mday, |
241 | 388 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
389 | |
390 return ((ret == -1) ? -1 : 0); | |
391 } | |
392 | |
393 // from_iso8601(timestamp, utc) | |
1361 | 394 // This function came from the Pidgin project, gaim_str_to_time(). |
241 | 395 // (Actually date may not be pure iso-8601) |
396 // Thanks, guys! | |
802
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397 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 398 time_t from_iso8601(const char *timestamp, int utc) |
399 { | |
400 struct tm t; | |
401 time_t retval = 0; | |
402 char buf[32]; | |
403 char *c; | |
404 int tzoff = 0; | |
802
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405 int hms_succ = 0; |
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406 int tmpyear; |
241 | 407 |
408 time(&retval); | |
409 localtime_r(&retval, &t); | |
410 | |
463
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411 /* Reset time to midnight (00:00:00) */ |
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412 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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413 |
241 | 414 snprintf(buf, sizeof(buf), "%s", timestamp); |
415 c = buf; | |
416 | |
417 /* 4 digit year */ | |
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418 if (!sscanf(c, "%04d", &tmpyear)) return 0; |
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419 t.tm_year = tmpyear; |
241 | 420 c+=4; |
421 if (*c == '-') | |
422 c++; | |
423 | |
424 t.tm_year -= 1900; | |
425 | |
426 /* 2 digit month */ | |
427 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
428 c+=2; | |
429 if (*c == '-') | |
430 c++; | |
431 | |
432 t.tm_mon -= 1; | |
433 | |
434 /* 2 digit day */ | |
435 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
436 c+=2; | |
437 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
438 c++; /* skip the "T" */ | |
439 | |
440 /* 2 digit hour */ | |
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441 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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442 { |
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443 hms_succ = 1; |
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444 c += 8; |
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445 } |
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446 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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447 { |
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448 hms_succ = 1; |
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449 c += 6; |
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450 } |
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451 |
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452 if (hms_succ) { |
241 | 453 int tzhrs, tzmins; |
802
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454 |
241 | 455 if (*c == '.') /* dealing with precision we don't care about */ |
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456 while (isdigit(*++c)) |
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457 ; |
241 | 458 |
459 if ((*c == '+' || *c == '-') && | |
460 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
461 tzoff = tzhrs*60*60 + tzmins*60; | |
462 if (*c == '+') | |
463 tzoff *= -1; | |
464 } | |
465 | |
466 if (tzoff || utc) { | |
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467 #ifdef HAVE_TM_GMTOFF |
241 | 468 tzoff += t.tm_gmtoff; |
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469 #else |
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470 # ifdef HAVE_TIMEZONE |
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471 tzset(); /* making sure */ |
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472 tzoff -= timezone; |
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473 # endif |
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474 #endif |
241 | 475 } |
476 } | |
477 } | |
478 | |
479 t.tm_isdst = -1; | |
480 | |
481 retval = mktime(&t); | |
482 | |
483 retval += tzoff; | |
484 | |
485 return retval; | |
486 } | |
419 | 487 |
452 | 488 /** |
489 * Derived from libjabber/jid.c, because the libjabber version is not | |
490 * really convenient for our usage. | |
491 * | |
492 * Check if the full JID is valid | |
493 * Return 0 if it is valid, non zero otherwise | |
494 */ | |
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495 int check_jid_syntax(const char *fjid) |
452 | 496 { |
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497 const char *str; |
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498 const char *domain, *resource; |
452 | 499 int domlen; |
1639 | 500 #ifdef HAVE_LIBIDN |
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501 char *idnpp; |
1639 | 502 int r; |
503 #endif | |
452 | 504 |
1058 | 505 if (!fjid) return 1; |
452 | 506 |
1058 | 507 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
452 | 508 |
456
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509 /* the username is optional */ |
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510 if (!domain) { |
1058 | 511 domain = fjid; |
456
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512 } else { |
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513 /* node identifiers may not be longer than 1023 bytes */ |
1058 | 514 if ((domain == fjid) || (domain-fjid > 1023)) |
456
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515 return 1; |
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516 domain++; |
452 | 517 |
1639 | 518 #ifdef HAVE_LIBIDN |
519 idnpp = idnprep; | |
520 str = fjid; | |
521 while (*str != JID_DOMAIN_SEPARATOR) | |
522 *idnpp++ = *str++; | |
523 *idnpp = 0; | |
524 | |
525 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_nodeprep); | |
526 if (r != STRINGPREP_OK || !idnprep[0]) | |
527 return 1; | |
528 /* the username looks okay */ | |
529 #else | |
456
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530 /* check for low and invalid ascii characters in the username */ |
1058 | 531 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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532 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
456
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533 *str == '<' || *str == '>' || *str == '\'' || |
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534 *str == '"' || *str == '&') { |
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535 return 1; |
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536 } |
452 | 537 } |
456
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diff
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538 /* the username is okay as far as we can tell without LIBIDN */ |
1639 | 539 #endif |
452 | 540 } |
541 | |
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diff
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542 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 543 |
544 /* the resource is optional */ | |
545 if (resource) { | |
546 domlen = resource - domain; | |
547 resource++; | |
548 /* resources may not be longer than 1023 bytes */ | |
549 if ((*resource == '\0') || strlen(resource) > 1023) | |
550 return 1; | |
1639 | 551 #ifdef HAVE_LIBIDN |
552 strncpy(idnprep, resource, sizeof(idnprep)); | |
553 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_resourceprep); | |
554 if (r != STRINGPREP_OK || !idnprep[0]) | |
555 return 1; | |
556 #endif | |
452 | 557 } else { |
558 domlen = strlen(domain); | |
559 } | |
560 | |
561 /* there must be a domain identifier */ | |
562 if (domlen == 0) return 1; | |
563 | |
564 /* and it must not be longer than 1023 bytes */ | |
565 if (domlen > 1023) return 1; | |
566 | |
1859
a20701a2840c
"." is not a valid Jabber domain name
Mikael Berthe <mikael@lilotux.net>
parents:
1811
diff
changeset
|
567 /* /.+/ is not a valid domain name pattern */ |
a20701a2840c
"." is not a valid Jabber domain name
Mikael Berthe <mikael@lilotux.net>
parents:
1811
diff
changeset
|
568 for (str = domain; *str && *str != JID_RESOURCE_SEPARATOR; str++) |
a20701a2840c
"." is not a valid Jabber domain name
Mikael Berthe <mikael@lilotux.net>
parents:
1811
diff
changeset
|
569 if (*str != '.') break; |
a20701a2840c
"." is not a valid Jabber domain name
Mikael Berthe <mikael@lilotux.net>
parents:
1811
diff
changeset
|
570 if (!*str || *str == JID_RESOURCE_SEPARATOR) |
a20701a2840c
"." is not a valid Jabber domain name
Mikael Berthe <mikael@lilotux.net>
parents:
1811
diff
changeset
|
571 return 1; /* domain contains only dots */ |
a20701a2840c
"." is not a valid Jabber domain name
Mikael Berthe <mikael@lilotux.net>
parents:
1811
diff
changeset
|
572 |
1639 | 573 #ifdef HAVE_LIBIDN |
574 idnpp = idnprep; | |
575 str = domain; | |
576 while (*str != '\0' && *str != JID_RESOURCE_SEPARATOR) | |
577 *idnpp++ = *str++; | |
578 *idnpp = 0; | |
579 | |
580 r = stringprep_nameprep(idnprep, 1023); | |
581 if (r != STRINGPREP_OK || !idnprep[0]) | |
582 return 1; | |
583 | |
1641
c3c7d6d0348f
Remove (probably) unnecessary check
Mikael Berthe <mikael@lilotux.net>
parents:
1640
diff
changeset
|
584 if (idna_to_ascii_8z(idnprep, &idnpp, IDNA_USE_STD3_ASCII_RULES) != |
1639 | 585 IDNA_SUCCESS) |
586 return 1; | |
587 else | |
1641
c3c7d6d0348f
Remove (probably) unnecessary check
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parents:
1640
diff
changeset
|
588 free(idnpp); |
1639 | 589 #else |
452 | 590 /* make sure the hostname is valid characters */ |
977
5b01de4ac5e1
Cosmetic changes
Alexis Hildebrandt <afh [at] 2drop [dot] net>
parents:
952
diff
changeset
|
591 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 592 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
593 return 1; | |
594 } | |
1639 | 595 #endif |
452 | 596 |
1639 | 597 /* it's okay as far as we can tell */ |
452 | 598 return 0; |
599 } | |
600 | |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
601 |
1106 | 602 inline void mc_strtolower(char *str) |
452 | 603 { |
604 if (!str) return; | |
605 for ( ; *str; str++) | |
606 *str = tolower(*str); | |
607 } | |
551
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Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
608 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
609 // strip_arg_special_chars(string) |
c71699efa5cc
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parents:
524
diff
changeset
|
610 // Remove quotes and backslashes before an escaped quote |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
611 // Only quotes need a backslash |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
612 // 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
|
613 void strip_arg_special_chars(char *s) |
551
c71699efa5cc
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parents:
524
diff
changeset
|
614 { |
c71699efa5cc
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parents:
524
diff
changeset
|
615 int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
616 int escape = FALSE; |
2133
69d00a118c0c
Fix ANSI C-incompatible change
Mikael Berthe <mikael@lilotux.net>
parents:
2119
diff
changeset
|
617 char *p, *t; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
618 |
979
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
619 if (!s) return; |
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
620 |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
621 for (p = s; *p; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
622 if (*p == '"') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
623 if (!escape) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
624 instring = !instring; |
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
625 //memmove(p, p+1, strlen(p)); |
2133
69d00a118c0c
Fix ANSI C-incompatible change
Mikael Berthe <mikael@lilotux.net>
parents:
2119
diff
changeset
|
626 for (t=p; *t; t++) |
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
627 *t = *(t+1); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
628 p--; |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
629 } else |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
630 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
631 } else if (*p == '\\') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
632 if (!escape) { |
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
633 //memmove(p, p+1, strlen(p)); |
2133
69d00a118c0c
Fix ANSI C-incompatible change
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parents:
2119
diff
changeset
|
634 for (t=p; *t; t++) |
2119
3b26f3a58cb9
Fix command line issue reported by Minos
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parents:
2111
diff
changeset
|
635 *t = *(t+1); |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
636 p--; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
637 } |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
638 escape = !escape; |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
639 } else |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
640 escape = FALSE; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
641 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
642 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
643 |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
644 // split_arg(arg, n, preservelast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
645 // 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
|
646 // double quotes. |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
647 // 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
|
648 // 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
|
649 // 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
|
650 // processing of quote chars) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
651 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
652 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
653 char **arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
654 const char *p, *start, *end; |
735 | 655 unsigned int i = 0; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
656 int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
657 int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
658 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
659 arglst = g_new0(char*, n+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
660 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
661 if (!arg || !n) return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
662 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
663 // Skip leading space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
664 for (start = arg; *start && *start == ' '; start++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
665 // End of string pointer |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
666 for (end = start; *end; end++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
667 // Skip trailing space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
668 while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
669 end--; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
670 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
671 for (p = start; p < end; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
672 if (*p == '"' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
673 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
674 if (*p == '\\' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
675 escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
676 else if (escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
677 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
678 if (*p == ' ' && !instring && i+1 < n) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
679 // end of parameter |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
680 *(arglst+i) = g_strndup(start, p-start); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
681 strip_arg_special_chars(*(arglst+i)); |
556 | 682 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 683 p = start-1; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
684 i++; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
685 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
686 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
687 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
688 if (start < end) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
689 *(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
|
690 if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
691 strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
692 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
693 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
694 return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
695 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
696 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
697 // free_arg_lst(arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
698 // Free an array allocated by split_arg() |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
699 void free_arg_lst(char **arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
700 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
701 char **arg_elt; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
702 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
703 for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
704 g_free(*arg_elt); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
705 g_free(arglst); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
706 } |
576 | 707 |
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
708 // 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
|
709 // 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
|
710 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
|
711 { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
712 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
|
713 if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
714 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
|
715 strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
716 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
717 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
718 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
719 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
720 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
721 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
722 // 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
|
723 // If there is no tab and no bad chars in the string, a pointer to text |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
724 // 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
|
725 // If there are some tabs or bad chars, a new string with expanded chars |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
726 // and no bad chars is returned; this is up to the caller to free this |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
727 // string after use. |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
728 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
729 { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
730 char *xtext, *linestart; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
731 char *p, *q; |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
732 guint n = 0, bc = 0; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
733 |
2049
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
734 if (!text) |
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
735 return NULL; |
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
736 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
737 xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
738 for (p=xtext; *p; p++) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
739 if (*p == '\t') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
740 n++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
741 else if (*p == '\x0d') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
742 bc++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
743 // 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
|
744 |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
745 if (!n && !bc) |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
746 return (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
747 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
748 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
|
749 p = (char*)text; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
750 q = linestart = xtext; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
751 do { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
752 if (*p == '\t') { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
753 do { *q++ = ' '; } while ((q-linestart)%8); |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
754 } else if (*p != '\x0d') { |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
755 *q++ = *p; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
756 if (*p =='\n') |
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
757 linestart = q; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
758 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
759 } while (*p++); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
760 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
761 return xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
762 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
763 |
2050
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
764 // ut_unescape_tabs_cr(text) |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
765 // Expand CR or TAB character sequences (\n, \t) in string text. |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
766 // If there is no CR/TAB in text, then the original pointer is returned |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
767 // (be careful _not_ to free the pointer in this case). |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
768 // If there are some unescaped sequences, a new string with those chars |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
769 // replaced with real newline/tab characters is allocated; in this case |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
770 // this is up to the caller to free this string after use. |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
771 char *ut_unescape_tabs_cr(const char *text) |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
772 { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
773 char *xtext, *linestart; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
774 char *p, *q; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
775 |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
776 if (!text) |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
777 return NULL; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
778 |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
779 p = g_strstr_len(text, -1, "\\n"); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
780 if (!p) { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
781 p = g_strstr_len(text, -1, "\\t"); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
782 if (!p) |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
783 return (char*)text; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
784 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
785 |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
786 xtext = g_new(char, strlen(text) + 1); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
787 p = (char*)text; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
788 q = linestart = xtext; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
789 do { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
790 if (*p == '\\') { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
791 if (*(p+1) == '\\' && (*(p+2) == 'n' || *(p+2) == 't')) { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
792 // This is an escaped CR sequence |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
793 *q++ = '\\'; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
794 *q++ = 'n'; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
795 p += 2; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
796 continue; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
797 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
798 if (*(p+1) == 'n' || *(p+1) == 't') { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
799 // This is a CR sequence |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
800 p++; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
801 *q++ = (*p == 'n' ? '\n' : '\t'); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
802 continue; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
803 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
804 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
805 *q++ = *p; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
806 } while (*p++); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
807 |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
808 return xtext; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
809 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
810 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
811 |
803
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
812 /* Cygwin's newlib does not have strcasestr() */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
813 /* 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
|
814 * Jeffrey Stedfast <fejj@ximian.com> |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
815 * and this code is reusable in compliance with the GPL v2. -- somian */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
816 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
817 #if !defined(HAVE_STRCASESTR) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
818 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
819 # 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
|
820 # 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
|
821 # 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
|
822 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
823 /* 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
|
824 # define bm_optimal(hlen, nlen) (((hlen) ? (hlen) > 20 : 1) && (nlen) > 10 ? 1 : 0) |
8f8d8f8157a2
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parents:
802
diff
changeset
|
825 |
8f8d8f8157a2
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parents:
802
diff
changeset
|
826 static unsigned char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
827 __boyer_moore (const unsigned char *haystack, size_t haystacklen, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
828 const unsigned char *needle, size_t needlelen, int icase) |
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parents:
802
diff
changeset
|
829 { |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
830 register unsigned char *hc_ptr, *nc_ptr; |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
831 unsigned char *he_ptr, *ne_ptr, *h_ptr; |
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parents:
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diff
changeset
|
832 size_t skiptable[256], n; |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
833 register int i; |
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parents:
802
diff
changeset
|
834 |
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Soren Andersen <somian@pobox.com>
parents:
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diff
changeset
|
835 #ifdef BOYER_MOORE_CHECKS |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
836 /* we don't need to do these checks since memmem/strstr/etc do it already */ |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
837 /* if the haystack is shorter than the needle then we can't possibly match */ |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
838 if (haystacklen < needlelen) |
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parents:
802
diff
changeset
|
839 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
840 |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
841 /* instant match if the pattern buffer is 0-length */ |
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parents:
802
diff
changeset
|
842 if (needlelen == 0) |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
843 return (unsigned char *) haystack; |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
844 #endif /* BOYER_MOORE_CHECKS */ |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
845 |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
846 /* set a pointer at the end of each string */ |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
847 ne_ptr = (unsigned char *) needle + needlelen - 1; |
8f8d8f8157a2
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parents:
802
diff
changeset
|
848 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
8f8d8f8157a2
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parents:
802
diff
changeset
|
849 |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
850 /* create our skip table */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
851 for (i = 0; i < 256; i++) |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
852 skiptable[i] = needlelen; |
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parents:
802
diff
changeset
|
853 for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
854 skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
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Soren Andersen <somian@pobox.com>
parents:
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diff
changeset
|
855 |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
856 h_ptr = (unsigned char *) haystack; |
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parents:
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diff
changeset
|
857 while (haystacklen >= needlelen) { |
8f8d8f8157a2
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parents:
802
diff
changeset
|
858 hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
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parents:
802
diff
changeset
|
859 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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diff
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|
860 |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
861 /* work our way backwards till they don't match */ |
8f8d8f8157a2
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parents:
802
diff
changeset
|
862 for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
8f8d8f8157a2
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diff
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|
863 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
8f8d8f8157a2
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parents:
802
diff
changeset
|
864 break; |
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parents:
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diff
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|
865 |
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parents:
802
diff
changeset
|
866 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
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parents:
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diff
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|
867 n = skiptable[bm_index (*hc_ptr, icase)]; |
8f8d8f8157a2
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parents:
802
diff
changeset
|
868 if (n == needlelen && i) |
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parents:
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diff
changeset
|
869 if (bm_equal (*ne_ptr, ((unsigned char *) needle)[0], icase)) |
8f8d8f8157a2
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diff
changeset
|
870 n--; |
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diff
changeset
|
871 h_ptr += n; |
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parents:
802
diff
changeset
|
872 haystacklen -= n; |
8f8d8f8157a2
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parents:
802
diff
changeset
|
873 } else |
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parents:
802
diff
changeset
|
874 return (unsigned char *) h_ptr; |
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parents:
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diff
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|
875 } |
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parents:
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diff
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|
876 |
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diff
changeset
|
877 return NULL; |
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802
diff
changeset
|
878 } |
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diff
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|
879 |
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parents:
802
diff
changeset
|
880 /* |
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parents:
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diff
changeset
|
881 * strcasestr: |
8f8d8f8157a2
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parents:
802
diff
changeset
|
882 * @haystack: string to search |
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Soren Andersen <somian@pobox.com>
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diff
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|
883 * @needle: substring to search for |
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Take care of the strcasestr lacking (Cygwin)
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diff
changeset
|
884 * |
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diff
changeset
|
885 * Finds the first occurence of the substring @needle within the |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
886 * string @haystack ignoring case. |
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Soren Andersen <somian@pobox.com>
parents:
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diff
changeset
|
887 * |
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diff
changeset
|
888 * 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
|
889 * @haystack, or NULL if the substring is not found. |
8f8d8f8157a2
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parents:
802
diff
changeset
|
890 **/ |
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diff
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|
891 char * |
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parents:
802
diff
changeset
|
892 strcasestr (const char *haystack, const char *needle) |
8f8d8f8157a2
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parents:
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diff
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|
893 { |
8f8d8f8157a2
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parents:
802
diff
changeset
|
894 register unsigned char *h, *n, *hc, *nc; |
8f8d8f8157a2
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parents:
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diff
changeset
|
895 size_t needlelen; |
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parents:
802
diff
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|
896 |
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parents:
802
diff
changeset
|
897 needlelen = strlen (needle); |
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parents:
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diff
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|
898 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
899 if (needlelen == 0) { |
8f8d8f8157a2
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parents:
802
diff
changeset
|
900 return (char *) haystack; |
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parents:
802
diff
changeset
|
901 } else if (bm_optimal (0, needlelen)) { |
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parents:
802
diff
changeset
|
902 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
|
903 strlen (haystack), |
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Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
904 (const unsigned char *) needle, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
905 needlelen, 1); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
906 } |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
907 |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
908 h = (unsigned char *) haystack; |
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
909 n = (unsigned char *) needle; |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
910 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
911 while (*(h + needlelen - 1)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
912 if (lowercase (*h) == lowercase (*n)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
913 for (hc = h + 1, nc = n + 1; *hc && *nc; hc++, nc++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
914 if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
915 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
916 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
917 if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
918 return (char *) h; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
919 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
920 h++; |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
921 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
922 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
923 } |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
924 #endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
925 |
1203 | 926 // startswith(str, word, ignore_case) |
1192 | 927 // Returns TRUE if string str starts with word. |
1203 | 928 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 929 { |
1203 | 930 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
931 return TRUE; | |
932 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 933 return TRUE; |
934 return FALSE; | |
935 } | |
936 | |
1811 | 937 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */ |