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/* Test for regexec.
Copyright (C) 2002-2022 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 <locale.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <regex.h>
int
main (int argc, char *argv[])
{
regex_t re;
regmatch_t mat[10];
int i, j, ret = 0;
const char *locales[] = { "C", "C.UTF-8", "de_DE.UTF-8" };
const char *string = "http://www.regex.com/pattern/matching.html#intro";
regmatch_t expect[10] = {
{ 0, 48 }, { 0, 5 }, { 0, 4 }, { 5, 20 }, { 7, 20 }, { 20, 42 },
{ -1, -1 }, { -1, -1 }, { 42, 48 }, { 43, 48 } };
for (i = 0; i < sizeof (locales) / sizeof (locales[0]); ++i)
{
if (setlocale (LC_ALL, locales[i]) == NULL)
{
puts ("cannot set locale");
ret = 1;
}
else if (regcomp (&re,
"^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\\?([^#]*))?(#(.*))?",
REG_EXTENDED) != REG_NOERROR)
{
puts ("cannot compile the regular expression");
ret = 1;
}
else if (regexec (&re, string, 10, mat, 0) == REG_NOMATCH)
{
puts ("no match");
ret = 1;
}
else
{
if (! memcmp (mat, expect, sizeof (mat)))
printf ("matching ok for %s locale\n", locales[i]);
else
{
printf ("matching failed for %s locale:\n", locales[i]);
ret = 1;
for (j = 0; j < 9; ++j)
if (mat[j].rm_so != -1)
printf ("%d: %.*s\n", j, mat[j].rm_eo - mat[j].rm_so,
string + mat[j].rm_so);
}
}
}
return ret;
}
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