X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/eb3be59d63b0d199fa3f32b5a22553e44cfb917a..1f50f809c4d885ff2b2c1a626d69ebb4cea0502f:/src/xbt/dict.c diff --git a/src/xbt/dict.c b/src/xbt/dict.c index 13b84d06ba..f52f98bf08 100644 --- a/src/xbt/dict.c +++ b/src/xbt/dict.c @@ -6,15 +6,13 @@ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ -#define DJB2_HASH_FUNCTION -//#define FNV_HASH_FUNCTION - #include #include #include "xbt/ex.h" #include "xbt/log.h" #include "xbt/mallocator.h" #include "xbt_modinter.h" +#include "xbt/str.h" #include "dict_private.h" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dict, xbt, @@ -105,85 +103,6 @@ XBT_INLINE unsigned int xbt_dict_size(xbt_dict_t dict) return (dict ? (unsigned int) dict->count : (unsigned int) 0); } -/** - * Returns the hash code of a string. - */ -static XBT_INLINE unsigned int xbt_dict_hash_ext(const char *str, - int str_len) -{ - - -#ifdef DJB2_HASH_FUNCTION - /* fast implementation of djb2 algorithm */ - int c; - register unsigned int hash = 5381; - - while (str_len--) { - c = *str++; - hash = ((hash << 5) + hash) + c; /* hash * 33 + c */ - } -# elif defined(FNV_HASH_FUNCTION) - register unsigned int hash = 0x811c9dc5; - unsigned char *bp = (unsigned char *) str; /* start of buffer */ - unsigned char *be = bp + str_len; /* beyond end of buffer */ - - while (bp < be) { - /* multiply by the 32 bit FNV magic prime mod 2^32 */ - hash += - (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + - (hash << 24); - - /* xor the bottom with the current octet */ - hash ^= (unsigned int) *bp++; - } - -# else - register unsigned int hash = 0; - - while (str_len--) { - hash += (*str) * (*str); - str++; - } -#endif - - return hash; -} - -static XBT_INLINE unsigned int xbt_dict_hash(const char *str) -{ -#ifdef DJB2_HASH_FUNCTION - /* fast implementation of djb2 algorithm */ - int c; - register unsigned int hash = 5381; - - while ((c = *str++)) { - hash = ((hash << 5) + hash) + c; /* hash * 33 + c */ - } - -# elif defined(FNV_HASH_FUNCTION) - register unsigned int hash = 0x811c9dc5; - - while (*str) { - /* multiply by the 32 bit FNV magic prime mod 2^32 */ - hash += - (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + - (hash << 24); - - /* xor the bottom with the current byte */ - hash ^= (unsigned int) *str++; - } - -# else - register unsigned int hash = 0; - - while (*str) { - hash += (*str) * (*str); - str++; - } -#endif - return hash; -} - /* Expend the size of the dict */ static void xbt_dict_rehash(xbt_dict_t dict) { @@ -247,7 +166,7 @@ XBT_INLINE void xbt_dict_set_ext(xbt_dict_t dict, void *data, void_f_pvoid_t free_ctn) { - unsigned int hash_code = xbt_dict_hash_ext(key, key_len); + unsigned int hash_code = xbt_str_hash_ext(key, key_len); xbt_dictelm_t current, previous = NULL; xbt_assert(dict); @@ -318,7 +237,7 @@ XBT_INLINE void *xbt_dict_get_ext(xbt_dict_t dict, const char *key, { - unsigned int hash_code = xbt_dict_hash_ext(key, key_len); + unsigned int hash_code = xbt_str_hash_ext(key, key_len); xbt_dictelm_t current; xbt_assert(dict); @@ -343,7 +262,7 @@ void *xbt_dict_get_or_null_ext(xbt_dict_t dict, const char *key, int key_len) { - unsigned int hash_code = xbt_dict_hash_ext(key, key_len); + unsigned int hash_code = xbt_str_hash_ext(key, key_len); xbt_dictelm_t current; xbt_assert(dict); @@ -398,7 +317,7 @@ char *xbt_dict_get_key(xbt_dict_t dict, const void *data) XBT_INLINE void *xbt_dict_get(xbt_dict_t dict, const char *key) { - unsigned int hash_code = xbt_dict_hash(key); + unsigned int hash_code = xbt_str_hash(key); xbt_dictelm_t current; xbt_assert(dict); @@ -419,7 +338,7 @@ XBT_INLINE void *xbt_dict_get(xbt_dict_t dict, const char *key) */ XBT_INLINE void *xbt_dict_get_or_null(xbt_dict_t dict, const char *key) { - unsigned int hash_code = xbt_dict_hash(key); + unsigned int hash_code = xbt_str_hash(key); xbt_dictelm_t current; xbt_assert(dict); @@ -450,7 +369,7 @@ XBT_INLINE void xbt_dict_remove_ext(xbt_dict_t dict, const char *key, { - unsigned int hash_code = xbt_dict_hash_ext(key, key_len); + unsigned int hash_code = xbt_str_hash_ext(key, key_len); xbt_dictelm_t current, previous = NULL; xbt_assert(dict); @@ -689,12 +608,6 @@ void xbt_dict_dump_sizes(xbt_dict_t dict) */ void xbt_dict_preinit(void) { - if (dict_elm_mallocator != NULL) { - /* Already created. I guess we want to switch to MC mode, so kill the previously created mallocator */ - xbt_mallocator_free(dict_elm_mallocator); - xbt_mallocator_free(dict_het_elm_mallocator); - } - dict_elm_mallocator = xbt_mallocator_new(256, dict_elm_mallocator_new_f, dict_elm_mallocator_free_f, @@ -741,8 +654,7 @@ void xbt_dict_postexit(void) #include "xbt/ex.h" #include "portable.h" -XBT_LOG_EXTERNAL_CATEGORY(xbt_dict); -XBT_LOG_DEFAULT_CATEGORY(xbt_dict); +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_dict); XBT_TEST_SUITE("dict", "Dict data container");