glibc/posix/bug-regex12.c

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/* Regular expression tests.
Copyright (C) 2002-2014 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, see
<http://www.gnu.org/licenses/>. */
#include <sys/types.h>
#include <mcheck.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
/* Tests supposed to not match. */
struct
{
const char *pattern;
const char *string;
int flags, nmatch;
} tests[] = {
{ "^<\\([^~]*\\)\\([^~]\\)[^~]*~\\1\\(.\\).*|=.*\\3.*\\2",
"<,.8~2,~so-|=-~.0,123456789<><", REG_NOSUB, 0 },
/* In ERE, all carets must be treated as anchors. */
{ "a^b", "a^b", REG_EXTENDED, 0 }
};
int
main (void)
{
regex_t re;
regmatch_t rm[4];
size_t i;
int n, ret = 0;
mtrace ();
for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
{
n = regcomp (&re, tests[i].pattern, tests[i].flags);
if (n != 0)
{
char buf[500];
regerror (n, &re, buf, sizeof (buf));
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printf ("regcomp %zd failed: %s\n", i, buf);
ret = 1;
continue;
}
if (! regexec (&re, tests[i].string, tests[i].nmatch,
tests[i].nmatch ? rm : NULL, 0))
{
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printf ("regexec %zd incorrectly matched\n", i);
ret = 1;
}
regfree (&re);
}
return ret;
}