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Annotation of embedaddon/coova-chilli/src/lookup.c, revision 1.1.1.1

1.1       misho       1: /* 
                      2:  *
                      3:  * Hash lookup function.
                      4:  * Copyright (C) 2003, 2004, 2005 Mondru AB.
                      5:  * Copyright (c) 2007 David Bird <david@coova.com>
                      6:  * 
                      7:  * The contents of this file may be used under the terms of the GNU
                      8:  * General Public License Version 2, provided that the above copyright
                      9:  * notice and this permission notice is included in all copies or
                     10:  * substantial portions of the software.
                     11:  * 
                     12:  */
                     13: 
                     14: /**
                     15:  * lookup()
                     16:  * see lookup3.c
                     17:  **/
                     18: 
                     19: #include "system.h"
                     20: #include <assert.h>
                     21: 
                     22: /* comment out to use Jenkins hash function */
                     23: #define SFHASH 1
                     24: 
                     25: uint32_t lookup(uint8_t *k,  uint32_t length,  uint32_t initval)
                     26: {
                     27: #if SFHASH
                     28:   extern uint32_t SuperFastHash(const char * data, int len, uint32_t hash);
                     29:   return SuperFastHash(k, length, initval);
                     30: #elif LITTLE_ENDIAN
                     31:   extern uint32_t hashlittle(const void *key, size_t length, uint32_t initval);
                     32:   return hashlittle(k, length, initval);
                     33: #elif BIG_ENDIAN
                     34:   extern uint32_t hashbig(const void *key, size_t length, uint32_t initval);
                     35:   return hashbig(k, length, initval);
                     36: #endif
                     37: }
                     38: