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/*
* Copyright (C) 2011 Karel Zak <kzak@redhat.com>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*/
#include <string.h>
#include "match.h"
/*
* match_fstype:
* @type: filesystem type
* @pattern: filesystem name or comma delimited list of names
*
* The @pattern list of filesystem can be prefixed with a global
* "no" prefix to invert matching of the whole list. The "no" could
* also be used for individual items in the @pattern list. So,
* "nofoo,bar" has the same meaning as "nofoo,nobar".
*/
int match_fstype(const char *type, const char *pattern)
{
int no = 0; /* negated types list */
int len;
const char *p;
if (!pattern && !type)
return 1;
if (!pattern)
return 0;
if (!strncmp(pattern, "no", 2)) {
no = 1;
pattern += 2;
}
/* Does type occur in types, separated by commas? */
len = strlen(type);
p = pattern;
while(1) {
if (!strncmp(p, "no", 2) && !strncasecmp(p+2, type, len) &&
(p[len+2] == 0 || p[len+2] == ','))
return 0;
if (strncasecmp(p, type, len) == 0 && (p[len] == 0 || p[len] == ','))
return !no;
p = strchr(p,',');
if (!p)
break;
p++;
}
return no;
}
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