glibc/posix/tst-fnmatch3.c

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/* Test for fnmatch not reading past the end of the pattern.
Copyright (C) 2014-2018 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
<http://www.gnu.org/licenses/>. */
#include <fnmatch.h>
#include <sys/mman.h>
#include <string.h>
#include <unistd.h>
int
do_bz18036 (void)
{
const char p[] = "**(!()";
const int pagesize = getpagesize ();
char *pattern = mmap (0, 2 * pagesize, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
if (pattern == MAP_FAILED) return 1;
mprotect (pattern + pagesize, pagesize, PROT_NONE);
memset (pattern, ' ', pagesize);
strcpy (pattern, p);
return fnmatch (pattern, p, FNM_EXTMATCH);
}
int
do_test (void)
{
if (fnmatch ("[[:alpha:]'[:alpha:]\0]", "a", 0) != FNM_NOMATCH)
return 1;
if (fnmatch ("[a[.\0.]]", "a", 0) != FNM_NOMATCH)
return 1;
return do_bz18036 ();
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"