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92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/* Test for regs allocation in re_search and re_match.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Stepan Kasal <kasal@math.cas.cz>, 2002.
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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, see
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<http://www.gnu.org/licenses/>. */
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#include <locale.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 <sys/types.h>
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#include <regex.h>
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int
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main (void)
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{
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struct re_pattern_buffer regex;
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struct re_registers regs;
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const char *s;
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int match, n;
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int result = 0;
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memset (®ex, '\0', sizeof (regex));
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regs.start = regs.end = NULL;
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regs.num_regs = 0;
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s = re_compile_pattern ("a", 1, ®ex);
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if (s != NULL)
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{
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puts ("failed to compile pattern \"a\"");
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result = 1;
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}
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else
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{
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match = re_search (®ex, "baobab", 6, 0, 6, ®s);
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n = 1;
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if (match != 1)
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{
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printf ("re_search returned %d, expected 1\n", match);
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result = 1;
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}
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else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
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{
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puts ("re_search failed to fill the -1 sentinel");
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result = 1;
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}
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}
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free (regex.buffer);
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memset (®ex, '\0', sizeof (regex));
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s = re_compile_pattern ("\\(\\(\\(a\\)\\)\\)", 13, ®ex);
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if (s != NULL)
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{
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puts ("failed to compile pattern /\\(\\(\\(a\\)\\)\\)/");
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result = 1;
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}
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else
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{
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match = re_match (®ex, "apl", 3, 0, ®s);
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n = 4;
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if (match != 1)
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{
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printf ("re_match returned %d, expected 1\n", match);
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result = 1;
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}
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else if (regs.num_regs <= n || regs.start[n] != -1 || regs.end[n] != -1)
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{
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puts ("re_match failed to fill the -1 sentinel");
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result = 1;
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}
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}
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if (result == 0)
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puts (" -> OK");
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return result;
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}
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