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/*
* wordfnmatch.c: fnmatch on word boundaries
*
* Copyright (C) 2001, 2003, 2008 Colin Watson.
*
* This file is part of man-db.
*
* man-db is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* man-db 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with man-db; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdbool.h>
#include <stdlib.h>
#include <ctype.h>
#include "fnmatch.h"
#include "xalloc.h"
#include "manconfig.h"
#include "wordfnmatch.h"
/* TODO: How on earth do we allow multiple-word matches without
* reimplementing fnmatch()?
*/
bool word_fnmatch (const char *pattern, const char *string)
{
char *dupstring = xstrdup (string);
const char *begin = dupstring;
char *p;
for (p = dupstring; *p; p++) {
if (CTYPE (isalpha, *p) || *p == '_')
continue;
/* Check for multiple non-word characters in a row. */
if (p <= begin + 1)
begin++;
else {
*p = '\0';
if (fnmatch (pattern, begin, FNM_CASEFOLD) == 0) {
free (dupstring);
return true;
}
begin = p + 1;
}
}
free (dupstring);
return false;
}
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