diff options
Diffstat (limited to 'posix/bug-regex20.c')
| -rw-r--r-- | posix/bug-regex20.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/posix/bug-regex20.c b/posix/bug-regex20.c new file mode 100644 index 0000000000..69f3fbe572 --- /dev/null +++ b/posix/bug-regex20.c @@ -0,0 +1,137 @@ +/* Test for UTF-8 regular expression optimizations. + Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/types.h> +#include <mcheck.h> +#include <regex.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <locale.h> + +#define RE_NO_INTERNAL_PROTOTYPES 1 +#include "regex_internal.h" + +static struct +{ + int syntax; + const char *pattern; + const char *string; + int res, optimize; +} tests[] = { + /* \xc3\x84 LATIN CAPITAL LETTER A WITH DIAERESIS + \xc3\x96 LATIN CAPITAL LETTER O WITH DIAERESIS + \xc3\xa4 LATIN SMALL LETTER A WITH DIAERESIS + \xc3\xb6 LATIN SMALL LETTER O WITH DIAERESIS + \xe2\x80\x94 EM DASH */ + /* Should be optimized. */ + {RE_SYNTAX_POSIX_BASIC, "foo", "b\xc3\xa4rfoob\xc3\xa4z", 4, 1}, + {RE_SYNTAX_POSIX_BASIC, "^x\\|xy*z$", "\xc3\xb6xyyz", 2, 1}, + {RE_SYNTAX_POSIX_BASIC, "^x\\\\y\\{6\\}z\\+", "x\\yyyyyyzz\xc3\xb6", 0, 1}, + {RE_SYNTAX_POSIX_BASIC, "^x\\\\y\\{2,36\\}z\\+", "x\\yzz\xc3\xb6", -1, 1}, + {RE_SYNTAX_POSIX_BASIC, "^x\\\\y\\{,3\\}z\\+", "x\\yyyzz\xc3\xb6", 0, 1}, + /* FIXME. This one should be optimizable, but is not ATM. */ + {RE_SYNTAX_POSIX_BASIC, "x[ABC]y", "axCy", 1, 0}, + {RE_SYNTAX_POSIX_BASIC, "\\`x\\|z\\'", "x\xe2\x80\x94", 0, 1}, + {RE_SYNTAX_POSIX_BASIC, "\\(xy\\)z\\1a\\1", "\xe2\x80\x94xyzxyaxy\xc3\x84", 3, 1}, + {RE_SYNTAX_POSIX_BASIC, "xy\\?z", "\xc3\x84xz\xc3\xb6", 2, 1}, + {RE_SYNTAX_POSIX_EXTENDED, "foo", "b\xc3\xa4rfoob\xc3\xa4z", 4, 1}, + {RE_SYNTAX_POSIX_EXTENDED, "^x|xy*z$", "\xc3\xb6xyyz", 2, 1}, + {RE_SYNTAX_POSIX_EXTENDED, "^x\\\\y{6}z+", "x\\yyyyyyzz\xc3\xb6", 0, 1}, + {RE_SYNTAX_POSIX_EXTENDED, "^x\\\\y{2,36}z+", "x\\yzz\xc3\xb6", -1, 1}, + {RE_SYNTAX_POSIX_EXTENDED, "^x\\\\y{,3}z+", "x\\yyyzz\xc3\xb6", 0, 1}, + /* FIXME. This one should be optimizable, but is not ATM. */ + {RE_SYNTAX_POSIX_EXTENDED, "x[ABC]y", "axCy", 1, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "\\`x|z\\'", "x\xe2\x80\x94", 0, 1}, + {RE_SYNTAX_POSIX_EXTENDED, "(xy)z\\1a\\1", "\xe2\x80\x94xyzxyaxy\xc3\x84", 3, 1}, + {RE_SYNTAX_POSIX_EXTENDED, "xy?z", "\xc3\x84xz\xc3\xb6", 2, 1}, + /* Should not be optimized. */ + {RE_SYNTAX_POSIX_BASIC, "x.y", "ax\xe2\x80\x94yz", 1, 0}, + {RE_SYNTAX_POSIX_BASIC, "x\xc3\x96*y", "ax\xc3\x96\xc3\x96yz", 1, 0}, + {RE_SYNTAX_POSIX_BASIC, "x[\xc3\x84\xc3\xa4]y", "ax\xc3\xa4y", 1, 0}, + {RE_SYNTAX_POSIX_BASIC, "x[A-Z,]y", "axCy", 1, 0}, + {RE_SYNTAX_POSIX_BASIC, "x[^y]z", "ax\xe2\x80\x94z", 1, 0}, + {RE_SYNTAX_POSIX_BASIC, "x[[:alnum:]]z", "ax\xc3\x96z", 1, 0}, + {RE_SYNTAX_POSIX_BASIC, "\\<g", "\xe2\x80\x94g", 3, 0}, + {RE_SYNTAX_POSIX_BASIC, "\\bg\\b", "\xe2\x80\x94g", 3, 0}, + {RE_SYNTAX_POSIX_BASIC, "\\Bg\\B", "\xc3\xa4g\xc3\xa4", 2, 0}, + {RE_SYNTAX_POSIX_BASIC, "a\\wz", "a\xc3\x84z", 0, 0}, + {RE_SYNTAX_POSIX_BASIC, "x\\Wz", "\xc3\x96x\xe2\x80\x94z", 2, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "x.y", "ax\xe2\x80\x94yz", 1, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "x\xc3\x96*y", "ax\xc3\x96\xc3\x96yz", 1, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "x[\xc3\x84\xc3\xa4]y", "ax\xc3\xa4y", 1, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "x[A-Z,]y", "axCy", 1, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "x[^y]z", "ax\xe2\x80\x94z", 1, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "x[[:alnum:]]z", "ax\xc3\x96z", 1, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "\\<g", "\xe2\x80\x94g", 3, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "\\bg\\b", "\xe2\x80\x94g", 3, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "\\Bg\\B", "\xc3\xa4g\xc3\xa4", 2, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "a\\wz", "a\xc3\x84z", 0, 0}, + {RE_SYNTAX_POSIX_EXTENDED, "x\\Wz", "\xc3\x96x\xe2\x80\x94z", 2, 0}, +}; + +int +main (void) +{ + struct re_pattern_buffer regbuf; + const char *err; + size_t i; + int ret = 0; + + mtrace (); + + setlocale (LC_ALL, "de_DE.UTF-8"); + for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i) + { + int res, optimized; + re_set_syntax (tests[i].syntax); + memset (®buf, '\0', sizeof (regbuf)); + err = re_compile_pattern (tests[i].pattern, strlen (tests[i].pattern), + ®buf); + if (err != NULL) + { + printf ("re_compile_pattern failed: %s\n", err); + ret = 1; + continue; + } + + /* Check if re_search will be done as multi-byte or single-byte. */ + optimized = ((re_dfa_t *) regbuf.buffer)->mb_cur_max == 1; + if (optimized != tests[i].optimize) + { + printf ("pattern %zd %soptimized while it should%s be\n", + i, optimized ? "" : "not ", tests[i].optimize ? "" : " not"); + ret = 1; + } + + res = re_search (®buf, tests[i].string, strlen (tests[i].string), 0, + strlen (tests[i].string), NULL); + if (res != tests[i].res) + { + printf ("re_search %zd failed: %d\n", i, res); + ret = 1; + regfree (®buf); + continue; + } + regfree (®buf); + } + + return ret; +} |