File: bug-regex7.c

package info (click to toggle)
glibc 2.19-18+deb8u9
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 204,712 kB
  • ctags: 145,148
  • sloc: ansic: 970,427; asm: 241,207; sh: 10,069; makefile: 8,476; cpp: 3,595; perl: 2,077; pascal: 1,839; awk: 1,704; yacc: 317; sed: 73
file content (91 lines) | stat: -rw-r--r-- 2,374 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
/* Test for regs allocation in re_search and re_match.
   Copyright (C) 2002-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Stepan Kasal <kasal@math.cas.cz>, 2002.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <regex.h>


int
main (void)
{
  struct re_pattern_buffer regex;
  struct re_registers regs;
  const char *s;
  int match, n;
  int result = 0;

  memset (&regex, '\0', sizeof (regex));
  regs.start = regs.end = NULL;
  regs.num_regs = 0;
  s = re_compile_pattern ("a", 1, &regex);
  if (s != NULL)
    {
      puts ("failed to compile pattern \"a\"");
      result = 1;
    }
  else
    {
      match = re_search (&regex, "baobab", 6, 0, 6, &regs);
      n = 1;
      if (match != 1)
	{
	  printf ("re_search returned %d, expected 1\n", match);
	  result = 1;
	}
      else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
	{
	  puts ("re_search failed to fill the -1 sentinel");
	  result = 1;
	}
    }

  free (regex.buffer);
  memset (&regex, '\0', sizeof (regex));

  s = re_compile_pattern ("\\(\\(\\(a\\)\\)\\)", 13, &regex);
  if (s != NULL)
    {
      puts ("failed to compile pattern /\\(\\(\\(a\\)\\)\\)/");
      result = 1;
    }
  else
    {
      match = re_match (&regex, "apl", 3, 0, &regs);
      n = 4;
      if (match != 1)
	{
	  printf ("re_match returned %d, expected 1\n", match);
	  result = 1;
	}
      else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
	{
	  puts ("re_match failed to fill the -1 sentinel");
	  result = 1;
	}
    }

  if (result == 0)
    puts (" -> OK");

  return result;
}