1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495 |
- /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * HashKit library
- *
- * Copyright (C) 2010-2012 Data Differential, http://datadifferential.com/
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *
- * * The names of its contributors may not be used to endorse or
- * promote products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #include <libhashkit/common.h>
- uint32_t hashkit_digest(const hashkit_st *self, const char *key, size_t key_length)
- {
- return self->base_hash.function(key, key_length, self->base_hash.context);
- }
- uint32_t libhashkit_digest(const char *key, size_t key_length, hashkit_hash_algorithm_t hash_algorithm)
- {
- switch (hash_algorithm)
- {
- case HASHKIT_HASH_DEFAULT:
- return libhashkit_one_at_a_time(key, key_length);
- case HASHKIT_HASH_MD5:
- return libhashkit_md5(key, key_length);
- case HASHKIT_HASH_CRC:
- return libhashkit_crc32(key, key_length);
- case HASHKIT_HASH_FNV1_64:
- return libhashkit_fnv1_64(key, key_length);
- case HASHKIT_HASH_FNV1A_64:
- return libhashkit_fnv1a_64(key, key_length);
- case HASHKIT_HASH_FNV1_32:
- return libhashkit_fnv1_32(key, key_length);
- case HASHKIT_HASH_FNV1A_32:
- return libhashkit_fnv1a_32(key, key_length);
- case HASHKIT_HASH_HSIEH:
- #ifdef HAVE_HSIEH_HASH
- return libhashkit_hsieh(key, key_length);
- #else
- return 1;
- #endif
- case HASHKIT_HASH_MURMUR3:
- return libhashkit_murmur3(key, key_length);
- case HASHKIT_HASH_MURMUR:
- #ifdef HAVE_MURMUR_HASH
- return libhashkit_murmur(key, key_length);
- #else
- return 1;
- #endif
- case HASHKIT_HASH_JENKINS:
- return libhashkit_jenkins(key, key_length);
- case HASHKIT_HASH_CUSTOM:
- case HASHKIT_HASH_MAX:
- default:
- #if defined(DEBUG) && DEBUG
- if (DEBUG)
- {
- fprintf(stderr, "hashkit_hash_t was extended but libhashkit_generate_value was not updated\n");
- fflush(stderr);
- assert(0);
- }
- #endif
- break;
- }
- return 1;
- }
|