/* 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 <string.h>
#include <stdio.h>
#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,
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)
{
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);
- XBT_DEBUG("ADD %.*s hash = %d, size = %d, & = %d", key_len, key, hash_code,
+ XBT_DEBUG("ADD %.*s hash = %u, size = %d, & = %u", key_len, key, hash_code,
dict->table_size, hash_code & dict->table_size);
current = dict->table[hash_code & dict->table_size];
while (current != NULL &&
{
- 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);
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);
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);
*/
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);
{
- 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);
continue;
if (size == 0)
continue;
- printf("%delm x %u cells; ", count, size);
+ printf("%uelm x %u cells; ", count, size);
}
}
printf("\n");
*/
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,
continue;
if (size == 0)
continue;
- printf("%delm x %d cells; ", count, size);
+ printf("%uelm x %d cells; ", count, size);
avg += count * size;
total_count += size;
}
#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");
xbt_dict_free(&head);
}
-#ifdef XBT_USE_DEPRECATED
-static void debuged_addi(xbt_dict_t head, uintptr_t key, uintptr_t data)
-{
- uintptr_t stored_data = 0;
- xbt_test_log("Add %zu under %zu", data, key);
-
- xbt_dicti_set(head, key, data);
- if (XBT_LOG_ISENABLED(xbt_dict, xbt_log_priority_debug)) {
- xbt_dict_dump(head, (void (*)(void *)) &printf);
- fflush(stdout);
- }
- stored_data = xbt_dicti_get(head, key);
- xbt_test_assert(stored_data == data,
- "Retrieved data (%zu) is not what I just stored (%zu) under key %zu",
- stored_data, data, key);
-}
-#endif
-
-XBT_TEST_UNIT("dicti", test_dict_scalar, "Scalar data and key management")
-{
-#if XBT_USE_DEPRECATED
- xbt_test_add("Fill in the dictionnary");
-
- head = xbt_dict_new();
- debuged_addi(head, 12, 12);
- debuged_addi(head, 13, 13);
- debuged_addi(head, 14, 14);
- debuged_addi(head, 15, 15);
- /* Change values */
- debuged_addi(head, 12, 15);
- debuged_addi(head, 15, 2000);
- debuged_addi(head, 15, 3000);
- /* 0 as key */
- debuged_addi(head, 0, 1000);
- debuged_addi(head, 0, 2000);
- debuged_addi(head, 0, 3000);
- /* 0 as value */
- debuged_addi(head, 12, 0);
- debuged_addi(head, 13, 0);
- debuged_addi(head, 12, 0);
- debuged_addi(head, 0, 0);
-
- xbt_dict_free(&head);
-#endif
-}
-
#define NB_ELM 20000
#define SIZEOFKEY 1024
static int countelems(xbt_dict_t head)
xbt_dict_t head = NULL;
int i, j, k;
char *key;
- void *data;
srand((unsigned int) time(NULL));
xbt_test_add("Search my %d elements 20 times", NB_ELM);
key = xbt_malloc(10);
for (i = 0; i < 20; i++) {
+ void *data;
/* if (i%10) printf("."); else printf("%d",i/10); fflush(stdout); */
for (j = 0; j < NB_ELM; j++) {
xbt_dict_free(&head);
}
-static void str_free(void *s)
-{
- char *c = *(char **) s;
- free(c);
-}
-
-XBT_TEST_UNIT("multicrash", test_dict_multicrash, "Multi-dict crash test")
-{
-
-#undef NB_ELM
-#define NB_ELM 100 /*00 */
-#define DEPTH 5
-#define KEY_SIZE 512
-#define NB_TEST 20 /*20 */
- int verbose = 0;
-
- xbt_dict_t mdict = NULL;
- int i, j, k, l;
- xbt_dynar_t keys = xbt_dynar_new(sizeof(char *), str_free);
- void *data;
- char *key;
-
-
- xbt_test_add("Generic multicache CRASH test");
- xbt_test_log
- (" Fill the struct and frees it %d times, using %d elements, "
- "depth of multicache=%d, key size=%d", NB_TEST, NB_ELM, DEPTH,
- KEY_SIZE);
-
- for (l = 0; l < DEPTH; l++) {
- key = xbt_malloc(KEY_SIZE);
- xbt_dynar_push(keys, &key);
- }
-
- for (i = 0; i < NB_TEST; i++) {
- mdict = xbt_dict_new();
- XBT_VERB("mdict=%p", mdict);
- if (verbose > 0)
- printf("Test %d\n", i);
- /* else if (i%10) printf("."); else printf("%d",i/10); */
-
- for (j = 0; j < NB_ELM; j++) {
- if (verbose > 0)
- printf(" Add {");
-
- for (l = 0; l < DEPTH; l++) {
- key = *(char **) xbt_dynar_get_ptr(keys, l);
-
- for (k = 0; k < KEY_SIZE - 1; k++)
- key[k] = rand() % ('z' - 'a') + 'a';
-
- key[k] = '\0';
-
- if (verbose > 0)
- printf("%p=%s %s ", key, key, (l < DEPTH - 1 ? ";" : "}"));
- }
- if (verbose > 0)
- printf("in multitree %p.\n", mdict);
-
- xbt_multidict_set(mdict, keys, xbt_strdup(key), free);
-
- data = xbt_multidict_get(mdict, keys);
-
- xbt_test_assert(data && !strcmp((char *) data, key),
- "Retrieved value (%s) does not match the given one (%s)\n",
- (char *) data, key);
- }
- xbt_dict_free(&mdict);
- }
-
- xbt_dynar_free(&keys);
-
- /* if (verbose>0)
- xbt_dict_dump(mdict,&xbt_dict_print); */
-
- xbt_dict_free(&mdict);
- xbt_dynar_free(&keys);
-
-}
#endif /* SIMGRID_TEST */
