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/* Test re_search with multi-byte characters in EUC-JP.
Copyright (C) 2012-2024 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/>. */
#define _GNU_SOURCE 1
#include <locale.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static int
do_test (void)
{
struct re_pattern_buffer r;
struct re_registers s;
int e, rc = 0;
if (setlocale (LC_CTYPE, "ja_JP.EUC-JP") == NULL)
{
puts ("setlocale failed");
return 1;
}
memset (&r, 0, sizeof (r));
memset (&s, 0, sizeof (s));
/* The bug cannot be reproduced without initialized fastmap (it is SBC_MAX
value from regex_internal.h). */
r.fastmap = malloc (UCHAR_MAX + 1);
/* 圭 */
re_compile_pattern ("\xb7\xbd", 2, &r);
/* aaaaa件a新処, \xb7\xbd constitutes a false match */
e = re_search (&r, "\x61\x61\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
12, 0, 12, &s);
if (e != -1)
{
printf ("bug-regex33.1: false match or error: re_search() returned %d, should return -1\n", e);
rc = 1;
}
/* aaaa件a新処, \xb7\xbd constitutes a false match,
* this is a reproducer of BZ #13637 */
e = re_search (&r, "\x61\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
11, 0, 11, &s);
if (e != -1)
{
printf ("bug-regex33.2: false match or error: re_search() returned %d, should return -1\n", e);
rc = 1;
}
/* aaa件a新処, \xb7\xbd constitutes a false match,
* this is a reproducer of BZ #13637 */
e = re_search (&r, "\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
10, 0, 10, &s);
if (e != -1)
{
printf ("bug-regex33.3: false match or error: re_search() returned %d, should return -1\n", e);
rc = 1;
}
/* aa件a新処, \xb7\xbd constitutes a false match */
e = re_search (&r, "\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
9, 0, 9, &s);
if (e != -1)
{
printf ("bug-regex33.4: false match or error: re_search() returned %d, should return -1\n", e);
rc = 1;
}
/* a件a新処, \xb7\xbd constitutes a false match */
e = re_search (&r, "\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
8, 0, 8, &s);
if (e != -1)
{
printf ("bug-regex33.5: false match or error: re_search() returned %d, should return -1\n", e);
rc = 1;
}
/* 新処圭新処, \xb7\xbd here really matches 圭, but second occurrence is a false match,
* this is a reproducer of bug-regex25 and BZ #13637 */
e = re_search (&r, "\xbf\xb7\xbd\xe8\xb7\xbd\xbf\xb7\xbd\xe8",
10, 0, 10, &s);
if (e != 4)
{
printf ("bug-regex33.6: no match or false match: re_search() returned %d, should return 4\n", e);
rc = 1;
}
/* 新処圭新, \xb7\xbd here really matches 圭,
* this is a reproducer of bug-regex25 */
e = re_search (&r, "\xbf\xb7\xbd\xe8\xb7\xbd\xbf\xb7",
9, 0, 9, &s);
if (e != 4)
{
printf ("bug-regex33.7: no match or false match: re_search() returned %d, should return 4\n", e);
rc = 1;
}
return rc;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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