manual: Clarify undefined behavior of feenableexcept (BZ 31019)
[glibc.git] / posix / bug-regex18.c
blob2bf2c4321290b6f81730cf12d76d334a52f0e384
1 /* Turkish regular expression tests.
2 Copyright (C) 2002-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #include <sys/types.h>
20 #include <mcheck.h>
21 #include <regex.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <locale.h>
26 /* Tests supposed to match. */
27 struct
29 const char *pattern;
30 const char *string;
31 int flags, nmatch;
32 regmatch_t rm[5];
33 } tests[] = {
34 /* \xc4\xb0 LATIN CAPITAL LETTER I WITH DOT ABOVE
35 \xc4\xb1 LATIN SMALL LETTER DOTLESS I
36 \xe2\x80\x94 EM DASH */
37 { "\xc4\xb0I*\xc4\xb1$", "aBi\xc4\xb1\xc4\xb1I", REG_ICASE, 2,
38 { { 2, 8 }, { -1, -1 } } },
39 { "[\xc4\xb0x]I*\xc4\xb1$", "aBi\xc4\xb1\xc4\xb1I", REG_ICASE, 2,
40 { { 2, 8 }, { -1, -1 } } },
41 { "[^x]I*\xc4\xb1$", "aBi\xc4\xb1\xc4\xb1I", REG_ICASE, 2,
42 { { 2, 8 }, { -1, -1 } } },
43 { "([[:alpha:]]i[[:xdigit:]])(\xc4\xb1*)(\xc4\xb0{2})",
44 "\xe2\x80\x94\xc4\xb1\xc4\xb0""fIi\xc4\xb0ii", REG_ICASE | REG_EXTENDED,
45 4, { { 3, 12 }, { 3, 8 }, { 8, 9 }, { 9, 12 } } },
46 { "\xc4\xb1i(i)*()(\\s\xc4\xb0|\\SI)", "SIi\xc4\xb0\xc4\xb0 is",
47 REG_ICASE | REG_EXTENDED, 4, { { 1, 9 }, { 5, 7 }, { 7, 7 }, { 7, 9 } } },
48 { "\xc4\xb1i(i)*()(\\s\xc4\xb0|\\SI)", "\xc4\xb1\xc4\xb0\xc4\xb0iJ\xc4\xb1",
49 REG_ICASE | REG_EXTENDED, 4,
50 { { 0, 10 }, { 6, 7 }, { 7, 7 }, { 7, 10 } } },
53 int
54 main (void)
56 regex_t re;
57 regmatch_t rm[5];
58 size_t i;
59 int n, ret = 0;
61 setlocale (LC_ALL, "tr_TR.UTF-8");
62 for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
64 n = regcomp (&re, tests[i].pattern, tests[i].flags);
65 if (n != 0)
67 char buf[500];
68 regerror (n, &re, buf, sizeof (buf));
69 printf ("regcomp %zd failed: %s\n", i, buf);
70 ret = 1;
71 continue;
74 if (regexec (&re, tests[i].string, tests[i].nmatch, rm, 0))
76 printf ("regexec %zd failed\n", i);
77 ret = 1;
78 regfree (&re);
79 continue;
82 for (n = 0; n < tests[i].nmatch; ++n)
83 if (rm[n].rm_so != tests[i].rm[n].rm_so
84 || rm[n].rm_eo != tests[i].rm[n].rm_eo)
86 if (tests[i].rm[n].rm_so == -1 && tests[i].rm[n].rm_eo == -1)
87 break;
88 printf ("regexec match failure rm[%d] %d..%d\n",
89 n, rm[n].rm_so, rm[n].rm_eo);
90 ret = 1;
91 break;
94 regfree (&re);
97 return ret;