glibc/posix/bug-regex33.c

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/* Test re_search with multi-byte characters in EUC-JP.
Copyright (C) 2012-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Stanislav Brabec <sbrabec@suse.cz>, 2012.
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
Prefer https to http for gnu.org and fsf.org URLs Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
<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"