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1 /* Test for memory handling in regex.
2    Copyright (C) 2002 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
5 
6    The GNU C Library is free software; you can redistribute it and/or
7    modify it under the terms of the GNU Lesser General Public
8    License as published by the Free Software Foundation; either
9    version 2.1 of the License, or (at your option) any later version.
10 
11    The GNU C Library is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    Lesser General Public License for more details.
15 
16    You should have received a copy of the GNU Lesser General Public
17    License along with the GNU C Library; if not, write to the Free
18    Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19    02110-1301 USA.  */
20 
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24 
25 #include <sys/types.h>
26 #ifdef HAVE_MCHECK_H
27 #include <mcheck.h>
28 #endif
29 #include <regex.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 
33 
34 static const char text[] = "#! /bin/sh";
35 
36 int
main(void)37 main (void)
38 {
39   regex_t re;
40   regmatch_t rm[2];
41   int n;
42 
43 #ifdef HAVE_MCHECK_H
44   mtrace ();
45 #endif
46 
47   n = regcomp (&re, "^#! */.*/(k|ba||pdk|z)sh", REG_EXTENDED);
48   if (n != 0)
49     {
50       char buf[500];
51       regerror (n, &re, buf, sizeof (buf));
52       printf ("regcomp failed: %s\n", buf);
53       exit (1);
54     }
55 
56   for (n = 0; n < 20; ++n)
57     {
58       if (regexec (&re, text, 2, rm, 0))
59 	{
60 	  puts ("regexec failed");
61 	  exit (2);
62 	}
63       if (rm[0].rm_so != 0 || rm[0].rm_eo != 10
64 	  || rm[1].rm_so != 8 || rm[1].rm_eo != 8)
65 	{
66 	  printf ("regexec match failure: %d %d %d %d\n",
67 		  rm[0].rm_so, rm[0].rm_eo, rm[1].rm_so, rm[1].rm_eo);
68 	  exit (3);
69 	}
70     }
71 
72   regfree (&re);
73 
74   return 0;
75 }
76