1 /* Copyright (C) 2001-2004 Kenichi Suto
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16 */
17
18 #include "defs.h"
19 #include "reg.h"
20
regex_prepare(guchar * pat,gboolean ignore_case)21 REG_TABLE *regex_prepare(guchar *pat, gboolean ignore_case)
22 {
23 REG_TABLE *reg;
24
25 reg = g_new(REG_TABLE, 1);
26
27 if(ignore_case == TRUE){
28 if(0 != regcomp(reg, pat, REG_ICASE|REG_EXTENDED)){
29 LOG(LOG_CRITICAL, "regcomp: %s", strerror(errno));
30 g_free(reg);
31 return(NULL);
32 }
33 } else {
34 if(0 != regcomp(reg, pat, REG_EXTENDED)){
35 LOG(LOG_CRITICAL, "regcomp: %s", strerror(errno));
36 g_free(reg);
37 return(NULL);
38 }
39 }
40
41 return(reg);
42 }
43
regex_free(REG_TABLE * reg)44 void regex_free(REG_TABLE *reg)
45 {
46 regfree(reg);
47 g_free(reg);
48 }
49
regex_search(REG_TABLE * reg,guchar * text)50 guchar *regex_search(REG_TABLE *reg, guchar *text){
51 regmatch_t pmatch[1];
52
53 if(REG_NOMATCH == regexec(reg, text, 1, pmatch, 0)){
54 return(FALSE);
55 } else {
56 if(pmatch[0].rm_so == -1){
57 return(NULL);
58 }
59 return(text+pmatch[0].rm_so);
60 }
61 }
62
63