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/* POSIX regex testsuite from IEEE 2003.2.
Copyright (C) 1998-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <sys/types.h>
#include <regex.h>
#include <stdio.h>
#include <string.h>
/* Data structure to describe the tests. */
struct test
{
int start;
int end;
const char *reg;
const char *str;
int options;
} tests[] =
{
#include "ptestcases.h"
};
int
main (int argc, char *argv[])
{
size_t cnt;
int errors = 0;
for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt)
if (tests[cnt].str == NULL)
{
printf ("\n%s\n%.*s\n", tests[cnt].reg,
(int) strlen (tests[cnt].reg),
"-----------------------------------------------------");
}
else if (tests[cnt].reg == NULL)
printf ("!!! %s\n", tests[cnt].str);
else
{
regex_t re;
regmatch_t match[20];
int err;
printf ("regexp: \"%s\", string: \"%s\" -> ", tests[cnt].reg,
tests[cnt].str);
/* Compile the expression. */
err = regcomp (&re, tests[cnt].reg, tests[cnt].options);
if (err != 0)
{
if (tests[cnt].start == -2)
puts ("compiling failed, OK");
else
{
char buf[100];
regerror (err, &re, buf, sizeof (buf));
printf ("FAIL: %s\n", buf);
++errors;
}
continue;
}
else if (tests[cnt].start == -2)
{
puts ("compiling succeeds, FAIL");
errors++;
continue;
}
/* Run the actual test. */
err = regexec (&re, tests[cnt].str, 20, match, 0);
if (err != 0)
{
if (tests[cnt].start == -1)
puts ("no match, OK");
else
{
puts ("no match, FAIL");
++errors;
}
}
else
{
if (match[0].rm_so == 0 && tests[cnt].start == 0
&& match[0].rm_eo == 0 && tests[cnt].end == 0)
puts ("match, OK");
else if (match[0].rm_so + 1 == tests[cnt].start
&& match[0].rm_eo == tests[cnt].end)
puts ("match, OK");
else
{
printf ("wrong match (%d to %d): FAIL\n",
match[0].rm_so, match[0].rm_eo);
++errors;
}
}
/* Free all resources. */
regfree (&re);
}
printf ("\n%zu tests, %d errors\n", cnt, errors);
return errors != 0;
}
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