forked from github/server
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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Copyright (c) 1998-2015, 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 "functions.h"
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#include <critbit.h>
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/* libc includes */
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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static critbit_tree cb_functions;
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pf_generic get_function(const char *name)
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{
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void * matches;
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pf_generic result;
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if (cb_find_prefix(&cb_functions, name, strlen(name) + 1, &matches, 1, 0)) {
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cb_get_kv(matches, &result, sizeof(result));
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return result;
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}
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return NULL;
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}
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void register_function(pf_generic fun, const char *name)
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{
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char buffer[64];
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size_t len = strlen(name);
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assert(len < sizeof(buffer) - sizeof(fun));
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len = cb_new_kv(name, len, &fun, sizeof(fun), buffer);
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cb_insert(&cb_functions, buffer, len);
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}
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void free_functions(void) {
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cb_clear(&cb_functions);
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}
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