source: regex.c @ 4de643d

owl
Last change on this file since 4de643d was dab82f29, checked in by James M. Kretchmar <kretch@mit.edu>, 16 years ago
Don't crash on mobile device AIM messages [BZ 20] Don't crash when sending to someone not on AIM buddy list [BZ 94] Fix overflow vulerability in zwrite.c and zcrypt.c Add stack protector and -D_FORTIFY_SOURCE=2 where possible Fix hang [barnowl 4c46dfdebc294ca24fef59924f01688b8ee07dee] Fix segfault on missing subs [barnowl 99dabeed7de6d19acb50f1e73aa0bfe5f9469c02] Fix zcrypt bufffer size bug [barnowl 559076cd86edc3a8317819814dd5877b8bc7c3cb] Fix double free [barnowl e97c4a306ae2c9d2147d83da29fee59918198e70] Memory leak fix [barnowl c0a90c2c7ab97b9465c9873757faf312faa0021e] Memory leak fix [barnowl 95caa16b2e9ba10770d87d0955198c14c2d0e16a] Memory leak fix [barnowl 1716fed8c2650e46892cf6571555eac937266c6e] Add getstyle command [barnowl 216c73421653e3ef0e957aa9a9804e208a77c80e] Binary search for msgid [barnowl 0c8ab5eadbb6ecc97a120c91b9a824b33538c764] File-handle leak [barnowl e78397d6ac5da0de31a4e269c0ba7f3d691857a3] Fix delay in jump from top to bottom [barnowl 801b7ac63b962640debbcfd422cb9a60da5fea31] Load subs in chunks [barnowl 93e883d60051b80bf6d35391f9d76fd7dfd198e3] Load subs in chunks [barnowl f6050ee9b0a171a5031f84409eb181062afacd18] Better zsig logging [barnowl d857b667a5a9b108b1a2a26b4a5513bef2b53f80] free() -> owlfree() [barnowl d524c838ac7c115628424b8ac171c3489622ea3a] Escape AIM users in smartfilters [barnowl af9b92e3e7ccb7de276a94b5c7e5861b24e71eff] Better regex escape chars [barnowl 80e54a7631f091be8c9762adb9746bad38104738] Deal with quotes in smart filters [barnowl 4099cf83702763fa8d1efc4f1582a605431bdb77] Deal with 0 length zephyr fields [barnowl 128171aaf7cefa91a4bb1eada93a19d8fd0c355c] Deal with 0 length zephyr fields [barnowl 50e29e35c64d64e223d378d350a7bc4f038d78f5] Deal with 0 length zephyr fields [barnowl 804ab8af8b6d00bcd7e2402df892db8fbd61a3ec] Leave curmsg on screen after resize [barnowl c0f9e3009bc03e80a44de64cd5f2b4033290236e] Rip out brower stuff [barnowl 8e5935d11c699a7ce5a3e6e9a47799564c696d6a] Rip out browser stuff [barnowl 4f15e8e9ceada0d4b2cc969ebf43b0a1fb3709ea] No passwords in command history [barnowl 6e400cc71aa59e041dce677aadf50dc1f25228e2] Format NOC mssages [barnowl a1bb1980e4bca23b8329cc0e7c0bd5027055ea0a] Expand ~ in loadsubs [barnowl 27d8d835dc6d58c08fae10e75aae306c49215143] Expand ~ in source [barnowl 10d67d57cb29221f63a43a30643c697fc7b38911] Only use resizeterm() if it's available Debian backports Change license to GPLv3
  • Property mode set to 100644
File size: 2.5 KB
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1/* Copyright (c) 2002,2003,2004,2009 James M. Kretchmar
2 *
3 * This file is part of Owl.
4 *
5 * Owl is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * Owl is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with Owl.  If not, see <http://www.gnu.org/licenses/>.
17 *
18 * ---------------------------------------------------------------
19 *
20 * As of Owl version 2.1.12 there are patches contributed by
21 * developers of the the branched BarnOwl project, Copyright (c)
22 * 2006-2008 The BarnOwl Developers. All rights reserved.
23 */
24
25#include <string.h>
26#include "owl.h"
27
28static const char fileIdent[] = "$Id$";
29
30void owl_regex_init(owl_regex *re)
31{
32  re->negate=0;
33  re->string=NULL;
34}
35
36int owl_regex_create(owl_regex *re, char *string)
37{
38  int ret;
39  char buff1[LINE], buff2[LINE];
40  char *ptr;
41 
42  re->string=owl_strdup(string);
43
44  ptr=string;
45  re->negate=0;
46  if (string[0]=='!') {
47    ptr++;
48    re->negate=1;
49  }
50
51  /* set the regex */
52  ret=regcomp(&(re->re), ptr, REG_EXTENDED|REG_ICASE);
53  if (ret) {
54    regerror(ret, NULL, buff1, LINE);
55    sprintf(buff2, "Error in regular expression: %s", buff1);
56    owl_function_makemsg(buff2);
57    owl_free(re->string);
58    re->string=NULL;
59    return(-1);
60  }
61
62  return(0);
63}
64
65int owl_regex_create_quoted(owl_regex *re, char *string)
66{
67  char *quoted;
68 
69  quoted=owl_text_quote(string, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
70  owl_regex_create(re, quoted);
71  owl_free(quoted);
72  return(0);
73}
74
75int owl_regex_compare(owl_regex *re, char *string)
76{
77  int out, ret;
78
79  /* if the regex is not set we match */
80  if (!owl_regex_is_set(re)) {
81    return(0);
82  }
83 
84  ret=regexec(&(re->re), string, 0, NULL, 0);
85  out=ret;
86  if (re->negate) {
87    out=!out;
88  }
89  return(out);
90}
91
92int owl_regex_is_set(owl_regex *re)
93{
94  if (re->string) return(1);
95  return(0);
96}
97
98char *owl_regex_get_string(owl_regex *re)
99{
100  return(re->string);
101}
102
103void owl_regex_copy(owl_regex *a, owl_regex *b)
104{
105  b->negate=a->negate;
106  b->string=owl_strdup(a->string);
107  memcpy(&(b->re), &(a->re), sizeof(regex_t));
108}
109
110void owl_regex_free(owl_regex *re)
111{
112  if (re->string) owl_free(re->string);
113
114  /* do we need to free the regular expression? */
115}
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