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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"

#include "cctype.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) && !c_strncasecmp(p+2, type, len) &&

(p[len+2] == 0 || p[len+2] == ','))

return 0;

if (c_strncasecmp(p, type, len) == 0 && (p[len] == 0 || p[len] == ','))

return !no;

p = strchr(p,',');

if (!p)

break;

p++;

}

return no;

}