glibc/posix/bug-regex11.c

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/* Regular expression tests.
Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sys/types.h>
#include <mcheck.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
struct
{
const char *pattern;
const char *string;
int nmatch;
regmatch_t rm[4];
} tests[] = {
/* Test for newline handling in regex. */
{ "[^~]*~", "\nx~y", 2, { { 0, 3 }, { -1, -1 } } },
/* Other tests. */
{ ".*|\\([KIO]\\)\\([^|]*\\).*|?[KIO]", "10~.~|P|K0|I10|O16|?KSb", 3,
{ { 0, 21 }, { 15, 16 }, { 16, 18 } } },
{ ".*|\\([KIO]\\)\\([^|]*\\).*|?\\1", "10~.~|P|K0|I10|O16|?KSb", 3,
{ { 0, 21 }, { 8, 9 }, { 9, 10 } } }
};
int
main (void)
{
regex_t re;
regmatch_t rm[4];
int n, i, ret = 0;
mtrace ();
for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
{
n = regcomp (&re, tests[i].pattern, 0);
if (n != 0)
{
char buf[500];
regerror (n, &re, buf, sizeof (buf));
printf ("regcomp %d failed: %s\n", i, buf);
ret = 1;
continue;
}
if (regexec (&re, tests[i].string, tests[i].nmatch, rm, 0))
{
printf ("regexec %d failed\n", i);
ret = 1;
regfree (&re);
continue;
}
for (n = 0; n < tests[i].nmatch; ++n)
if (rm[n].rm_so != tests[i].rm[n].rm_so
|| rm[n].rm_eo != tests[i].rm[n].rm_eo)
{
if (tests[i].rm[n].rm_so == -1 && tests[i].rm[n].rm_eo == -1)
break;
printf ("regexec match failure rm[%d] %d..%d\n",
n, rm[n].rm_so, rm[n].rm_eo);
ret = 1;
break;
}
regfree (&re);
}
return 0;
}