git.m6w6.name Git - awesomized/libmemcached/blob - libhashkit/types.h

   1
   2 /* HashKit
   3  * Copyright (C) 2009 Brian Aker
   4  * All rights reserved.
   5  *
   6  * Use and distribution licensed under the BSD license.  See
   7  * the COPYING file in the parent directory for full text.
   8  */
   9
  10 #ifndef HASHKIT_TYPES_H
  11 #define HASHKIT_TYPES_H
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 typedef enum {
  18   HASHKIT_SUCCESS,
  19   HASHKIT_FAILURE,
  20   HASHKIT_MEMORY_ALLOCATION_FAILURE,
  21   HASHKIT_MAXIMUM_RETURN /* Always add new error code before */
  22 } hashkit_return_t;
  23
  24 typedef enum {
  25   HASHKIT_HASH_DEFAULT= 0, // hashkit_one_at_a_time()
  26   HASHKIT_HASH_MD5,
  27   HASHKIT_HASH_CRC,
  28   HASHKIT_HASH_FNV1_64,
  29   HASHKIT_HASH_FNV1A_64,
  30   HASHKIT_HASH_FNV1_32,
  31   HASHKIT_HASH_FNV1A_32,
  32   HASHKIT_HASH_HSIEH,
  33   HASHKIT_HASH_MURMUR,
  34   HASHKIT_HASH_JENKINS,
  35   HASHKIT_HASH_MAX
  36 } hashkit_hash_algorithm_t;
  37
  38 /**
  39  * Hash distributions that are available to use.
  40  */
  41 typedef enum
  42 {
  43   HASHKIT_DISTRIBUTION_MODULA,
  44   HASHKIT_DISTRIBUTION_RANDOM,
  45   HASHKIT_DISTRIBUTION_KETAMA,
  46   HASHKIT_DISTRIBUTION_MAX /* Always add new values before this. */
  47 } hashkit_distribution_t;
  48
  49
  50 typedef struct hashkit_st hashkit_st;
  51 typedef uint32_t (*hashkit_hash_fn)(const char *key, size_t key_length);
  52
  53 #ifdef __cplusplus
  54 }
  55 #endif
  56
  57 #endif /* HASHKIT_TYPES_H */