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71b5d1c5d5
* posix/regex_internal.c (re_string_skip_chars): Fix miscomputation of remain_len that may cause incomplete multi-byte character and false match. * posix/bug-regex33.c: New file. * posix/Makefile (tests): Add bug-regex33.
121 lines
4.0 KiB
C
121 lines
4.0 KiB
C
/* Test re_search with multi-byte characters in EUC-JP.
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Copyright (C) 2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Stanislav Brabec <sbrabec@suse.cz>, 2012.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#define _GNU_SOURCE 1
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#include <locale.h>
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#include <regex.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "regex_internal.h"
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static int
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do_test (void)
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{
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struct re_pattern_buffer r;
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struct re_registers s;
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int e, rc = 0;
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if (setlocale (LC_CTYPE, "ja_JP.EUC-JP") == NULL)
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{
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puts ("setlocale failed");
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return 1;
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}
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memset (&r, 0, sizeof (r));
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memset (&s, 0, sizeof (s));
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/* The bug cannot be reproduced without initialized fastmap. */
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r.fastmap = malloc (SBC_MAX);
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/* 圭 */
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re_compile_pattern ("\xb7\xbd", 2, &r);
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/* aaaaa件a新処, \xb7\xbd constitutes a false match */
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e = re_search (&r, "\x61\x61\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
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12, 0, 12, &s);
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if (e != -1)
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{
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printf ("bug-regex33.1: false match or error: re_search() returned %d, should return -1\n", e);
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rc = 1;
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}
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/* aaaa件a新処, \xb7\xbd constitutes a false match,
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* this is a reproducer of BZ #13637 */
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e = re_search (&r, "\x61\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
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11, 0, 11, &s);
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if (e != -1)
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{
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printf ("bug-regex33.2: false match or error: re_search() returned %d, should return -1\n", e);
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rc = 1;
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}
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/* aaa件a新処, \xb7\xbd constitutes a false match,
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* this is a reproducer of BZ #13637 */
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e = re_search (&r, "\x61\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
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10, 0, 10, &s);
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if (e != -1)
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{
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printf ("bug-regex33.3: false match or error: re_search() returned %d, should return -1\n", e);
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rc = 1;
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}
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/* aa件a新処, \xb7\xbd constitutes a false match */
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e = re_search (&r, "\x61\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
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9, 0, 9, &s);
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if (e != -1)
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{
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printf ("bug-regex33.4: false match or error: re_search() returned %d, should return -1\n", e);
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rc = 1;
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}
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/* a件a新処, \xb7\xbd constitutes a false match */
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e = re_search (&r, "\x61\xb7\xef\x61\xbf\xb7\xbd\xe8",
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8, 0, 8, &s);
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if (e != -1)
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{
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printf ("bug-regex33.5: false match or error: re_search() returned %d, should return -1\n", e);
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rc = 1;
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}
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/* 新処圭新処, \xb7\xbd here really matches 圭, but second occurrence is a false match,
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* this is a reproducer of bug-regex25 and BZ #13637 */
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e = re_search (&r, "\xbf\xb7\xbd\xe8\xb7\xbd\xbf\xb7\xbd\xe8",
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10, 0, 10, &s);
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if (e != 4)
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{
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printf ("bug-regex33.6: no match or false match: re_search() returned %d, should return 4\n", e);
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rc = 1;
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}
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/* 新処圭新, \xb7\xbd here really matches 圭,
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* this is a reproducer of bug-regex25 */
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e = re_search (&r, "\xbf\xb7\xbd\xe8\xb7\xbd\xbf\xb7",
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10, 0, 10, &s);
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if (e != 4)
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{
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printf ("bug-regex33.7: no match or false match: re_search() returned %d, should return 4\n", e);
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rc = 1;
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}
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return rc;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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