forked from github/server
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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Copyright (c) 1998-2010, Enno Rehling <enno@eressea.de>
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Katja Zedel <katze@felidae.kn-bremen.de
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Christian Schlittchen <corwin@amber.kn-bremen.de>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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**/
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#include <platform.h>
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#include <kernel/config.h>
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#include "key.h"
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#include <kernel/save.h>
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#include <util/attrib.h>
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attrib_type at_key = {
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"key",
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NULL,
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NULL,
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NULL,
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a_writeint,
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a_readint,
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};
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attrib *add_key(attrib ** alist, int key)
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{
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attrib *a = find_key(*alist, key);
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if (a == NULL)
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a = a_add(alist, make_key(key));
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return a;
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}
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attrib *make_key(int key)
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{
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attrib *a = a_new(&at_key);
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a->data.i = key;
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return a;
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}
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attrib *find_key(attrib * alist, int key)
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{
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attrib *a = a_find(alist, &at_key);
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while (a && a->type == &at_key && a->data.i != key) {
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a = a->next;
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}
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return (a && a->type == &at_key) ? a : NULL;
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}
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