X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f81bbb7e5632a77045d9330d2f8988ea0c9d4564..62ab7fd2280a35af7c36f602852bc53fc0a56093:/src/xbt/dict.c diff --git a/src/xbt/dict.c b/src/xbt/dict.c index a9227b5542..c2268fa373 100644 --- a/src/xbt/dict.c +++ b/src/xbt/dict.c @@ -1,6 +1,6 @@ /* dict - a generic dictionary, variation over hash table */ -/* Copyright (c) 2004-2013. The SimGrid Team. +/* Copyright (c) 2004-2015. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -11,17 +11,17 @@ #include "xbt/ex.h" #include "xbt/log.h" #include "xbt/mallocator.h" -#include "xbt_modinter.h" +#include "src/xbt_modinter.h" #include "xbt/str.h" #include "dict_private.h" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dict, xbt, - "Dictionaries provide the same functionalities than hash tables"); + "Dictionaries provide the same functionalities as hash tables"); /** * \brief Constructor * \return pointer to the destination - * \see xbt_dict_free() + * \see xbt_dict_new_homogenous(), xbt_dict_free() * * Creates and initialize a new dictionary with a default hashtable size. * The dictionary is heterogeneous: each element can have a different free @@ -98,7 +98,7 @@ void xbt_dict_free(xbt_dict_t * dict) /** * Returns the amount of elements in the dict */ -XBT_INLINE unsigned int xbt_dict_size(xbt_dict_t dict) +inline unsigned int xbt_dict_size(xbt_dict_t dict) { return (dict ? (unsigned int) dict->count : (unsigned int) 0); } @@ -107,12 +107,12 @@ XBT_INLINE unsigned int xbt_dict_size(xbt_dict_t dict) static void xbt_dict_rehash(xbt_dict_t dict) { const int oldsize = dict->table_size + 1; - register int newsize = oldsize * 2; - register int i; - register xbt_dictelm_t *currcell; - register xbt_dictelm_t *twincell; - register xbt_dictelm_t bucklet; - register xbt_dictelm_t *pprev; + int newsize = oldsize * 2; + int i; + xbt_dictelm_t *currcell; + xbt_dictelm_t *twincell; + xbt_dictelm_t bucklet; + xbt_dictelm_t *pprev; currcell = (xbt_dictelm_t *) xbt_realloc((char *) dict->table, @@ -156,12 +156,14 @@ static void xbt_dict_rehash(xbt_dict_t dict) * \param key_len the size of the \a key * \param data the data to add in the dict * \param free_ctn function to call with (\a data as argument) when - * \a data is removed from the dictionary + * \a data is removed from the dictionary. This param + * will only be considered when the dict was instantiated with + * xbt_dict_new() and not xbt_dict_new_homogeneous() * * Set the \a data in the structure under the \a key, which can be any kind * of data, as long as its length is provided in \a key_len. */ -XBT_INLINE void xbt_dict_set_ext(xbt_dict_t dict, +inline void xbt_dict_set_ext(xbt_dict_t dict, const char *key, int key_len, void *data, void_f_pvoid_t free_ctn) { @@ -169,10 +171,10 @@ XBT_INLINE void xbt_dict_set_ext(xbt_dict_t dict, 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 = %u, size = %d, & = %u", key_len, key, hash_code, - dict->table_size, hash_code & dict->table_size); + XBT_CDEBUG(xbt_dict, + "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 && (hash_code != current->hash_code || key_len != current->key_len @@ -194,9 +196,9 @@ XBT_INLINE void xbt_dict_set_ext(xbt_dict_t dict, previous->next = current; } } else { - XBT_DEBUG("Replace %.*s by %.*s under key %.*s", - key_len, (char *) current->content, - key_len, (char *) data, key_len, (char *) key); + XBT_CDEBUG(xbt_dict, "Replace %.*s by %.*s under key %.*s", + key_len, (char *) current->content, + key_len, (char *) data, key_len, (char *) key); /* there is already an element with the same key: overwrite it */ xbt_dictelm_set_data(dict, current, data, free_ctn); } @@ -209,12 +211,14 @@ XBT_INLINE void xbt_dict_set_ext(xbt_dict_t dict, * \param key the key to set the new data * \param data the data to add in the dict * \param free_ctn function to call with (\a data as argument) when - * \a data is removed from the dictionary + * \a data is removed from the dictionary. This param + * will only be considered when the dict was instantiated with + * xbt_dict_new() and not xbt_dict_new_homogeneous() * * set the \a data in the structure under the \a key, which is a * null terminated string. */ -XBT_INLINE void xbt_dict_set(xbt_dict_t dict, +inline void xbt_dict_set(xbt_dict_t dict, const char *key, void *data, void_f_pvoid_t free_ctn) { @@ -232,17 +236,11 @@ XBT_INLINE void xbt_dict_set(xbt_dict_t dict, * * Search the given \a key. Throws not_found_error when not found. */ -XBT_INLINE void *xbt_dict_get_ext(xbt_dict_t dict, const char *key, - int key_len) +inline void *xbt_dict_get_ext(xbt_dict_t dict, const char *key, int key_len) { - - unsigned int hash_code = xbt_str_hash_ext(key, key_len); - xbt_dictelm_t current; - - xbt_assert(dict); + xbt_dictelm_t current = dict->table[hash_code & dict->table_size]; - current = dict->table[hash_code & dict->table_size]; while (current != NULL && (hash_code != current->hash_code || key_len != current->key_len || memcmp(key, current->key, key_len))) { @@ -255,19 +253,12 @@ XBT_INLINE void *xbt_dict_get_ext(xbt_dict_t dict, const char *key, return current->content; } -/** - * \brief like xbt_dict_get_ext(), but returning NULL when not found - */ -void *xbt_dict_get_or_null_ext(xbt_dict_t dict, const char *key, - int key_len) +/** @brief like xbt_dict_get_ext(), but returning NULL when not found */ +void *xbt_dict_get_or_null_ext(xbt_dict_t dict, const char *key, int key_len) { - unsigned int hash_code = xbt_str_hash_ext(key, key_len); - xbt_dictelm_t current; - - xbt_assert(dict); + xbt_dictelm_t current = dict->table[hash_code & dict->table_size]; - current = dict->table[hash_code & dict->table_size]; while (current != NULL && (hash_code != current->hash_code || key_len != current->key_len || memcmp(key, current->key, key_len))) { @@ -287,12 +278,8 @@ void *xbt_dict_get_or_null_ext(xbt_dict_t dict, const char *key, */ char *xbt_dict_get_key(xbt_dict_t dict, const void *data) { - int i; - xbt_dictelm_t current; - - - for (i = 0; i <= dict->table_size; i++) { - current = dict->table[i]; + for (int i = 0; i <= dict->table_size; i++) { + xbt_dictelm_t current = dict->table[i]; while (current != NULL) { if (current->content == data) return current->key; @@ -303,6 +290,12 @@ char *xbt_dict_get_key(xbt_dict_t dict, const void *data) return NULL; } +/** @brief retrieve the key associated to that xbt_dictelm_t. */ +char *xbt_dict_get_elm_key(xbt_dictelm_t elm) +{ + return elm->key; +} + /** * \brief Retrieve data from the dict (null-terminated key) * @@ -314,7 +307,7 @@ char *xbt_dict_get_key(xbt_dict_t dict, const void *data) * Check xbt_dict_get_or_null() for a version returning NULL without exception when * not found. */ -XBT_INLINE void *xbt_dict_get(xbt_dict_t dict, const char *key) +inline void *xbt_dict_get(xbt_dict_t dict, const char *key) { return xbt_dict_get_elm(dict, key)->content; } @@ -329,7 +322,7 @@ XBT_INLINE void *xbt_dict_get(xbt_dict_t dict, const char *key) * Check xbt_dict_get_or_null() for a version returning NULL without exception when * not found. */ -XBT_INLINE xbt_dictelm_t xbt_dict_get_elm(xbt_dict_t dict, const char *key) +inline xbt_dictelm_t xbt_dict_get_elm(xbt_dict_t dict, const char *key) { xbt_dictelm_t current = xbt_dict_get_elm_or_null(dict, key); @@ -342,10 +335,10 @@ XBT_INLINE xbt_dictelm_t xbt_dict_get_elm(xbt_dict_t dict, const char *key) /** * \brief like xbt_dict_get(), but returning NULL when not found */ -XBT_INLINE void *xbt_dict_get_or_null(xbt_dict_t dict, const char *key) +inline void *xbt_dict_get_or_null(xbt_dict_t dict, const char *key) { xbt_dictelm_t current = xbt_dict_get_elm_or_null(dict, key); - + if (current == NULL) return NULL; @@ -354,14 +347,11 @@ XBT_INLINE void *xbt_dict_get_or_null(xbt_dict_t dict, const char *key) /** * \brief like xbt_dict_get_elm(), but returning NULL when not found */ -XBT_INLINE xbt_dictelm_t xbt_dict_get_elm_or_null(xbt_dict_t dict, const char *key) +inline xbt_dictelm_t xbt_dict_get_elm_or_null(xbt_dict_t dict, const char *key) { unsigned int hash_code = xbt_str_hash(key); - xbt_dictelm_t current; - - xbt_assert(dict); + xbt_dictelm_t current = dict->table[hash_code & dict->table_size]; - current = dict->table[hash_code & dict->table_size]; while (current != NULL && (hash_code != current->hash_code || strcmp(key, current->key))) current = current->next; @@ -378,18 +368,12 @@ XBT_INLINE xbt_dictelm_t xbt_dict_get_elm_or_null(xbt_dict_t dict, const char *k * * Remove the entry associated with the given \a key (throws not_found) */ -XBT_INLINE void xbt_dict_remove_ext(xbt_dict_t dict, const char *key, - int key_len) +inline void xbt_dict_remove_ext(xbt_dict_t dict, const char *key, int key_len) { - - unsigned int hash_code = xbt_str_hash_ext(key, key_len); - xbt_dictelm_t current, previous = NULL; + xbt_dictelm_t previous = NULL; + xbt_dictelm_t current = dict->table[hash_code & dict->table_size]; - xbt_assert(dict); - - // fprintf(stderr,"RM %.*s hash = %d, size = %d, & = %d\n",key_len,key,hash_code, dict->table_size, hash_code & dict->table_size); - current = dict->table[hash_code & dict->table_size]; while (current != NULL && (hash_code != current->hash_code || key_len != current->key_len || strncmp(key, current->key, key_len))) { @@ -423,65 +407,20 @@ XBT_INLINE void xbt_dict_remove_ext(xbt_dict_t dict, const char *key, * * Remove the entry associated with the given \a key */ -XBT_INLINE void xbt_dict_remove(xbt_dict_t dict, const char *key) +inline void xbt_dict_remove(xbt_dict_t dict, const char *key) { xbt_dict_remove_ext(dict, key, strlen(key)); } -#ifdef XBT_USE_DEPRECATED -/** - * \brief Add data to the dict (arbitrary key) - * \param dict the container - * \param key the key to set the new data - * \param data the data to add in the dict - * - * Set the \a data in the structure under the \a key. - * Both \a data and \a key are considered as uintptr_t. - */ -XBT_INLINE void xbt_dicti_set(xbt_dict_t dict, - uintptr_t key, uintptr_t data) -{ - xbt_dict_set_ext(dict, (void *)&key, sizeof key, (void*)data, NULL); -} - -/** - * \brief Retrieve data from the dict (key considered as a uintptr_t) - * - * \param dict the dealer of data - * \param key the key to find data - * \return the data that we are looking for (or 0 if not found) - * - * Mixing uintptr_t keys with regular keys in the same dict is discouraged - */ -XBT_INLINE uintptr_t xbt_dicti_get(xbt_dict_t dict, uintptr_t key) -{ - return (uintptr_t)xbt_dict_get_or_null_ext(dict, (void *)&key, sizeof key); -} - -/** Remove a uintptr_t key from the dict */ -XBT_INLINE void xbt_dicti_remove(xbt_dict_t dict, uintptr_t key) -{ - xbt_dict_remove_ext(dict, (void *)&key, sizeof key); -} -#endif - -/** - * \brief Remove all data from the dict - * \param dict the dict - */ +/** @brief Remove all data from the dict */ void xbt_dict_reset(xbt_dict_t dict) { - - int i; - xbt_dictelm_t current, previous = NULL; - - xbt_assert(dict); - if (dict->count == 0) return; - for (i = 0; i <= dict->table_size; i++) { - current = dict->table[i]; + for (int i = 0; i <= dict->table_size; i++) { + xbt_dictelm_t previous = NULL; + xbt_dictelm_t current = dict->table[i]; while (current != NULL) { previous = current; current = current->next; @@ -498,10 +437,8 @@ void xbt_dict_reset(xbt_dict_t dict) * \brief Return the number of elements in the dict. * \param dict a dictionary */ -XBT_INLINE int xbt_dict_length(xbt_dict_t dict) +inline int xbt_dict_length(xbt_dict_t dict) { - xbt_assert(dict); - return dict->count; } @@ -514,7 +451,7 @@ void xbt_dict_dump_output_string(void *s) /** * \brief test if the dict is empty or not */ -XBT_INLINE int xbt_dict_is_empty(xbt_dict_t dict) +inline int xbt_dict_is_empty(xbt_dict_t dict) { return !dict || (xbt_dict_length(dict) == 0); } @@ -559,58 +496,58 @@ xbt_dynar_t all_sizes = NULL; /** @brief shows some debugging info about the bucklet repartition */ void xbt_dict_dump_sizes(xbt_dict_t dict) { - - int i; unsigned int count; unsigned int size; - xbt_dictelm_t element; + + printf("Dict %p: %d bucklets, %d used cells (of %d) ", dict, dict->count, dict->fill, dict->table_size); + + if (!dict) { + printf("\n"); + return; + } xbt_dynar_t sizes = xbt_dynar_new(sizeof(int), NULL); - printf("Dict %p: %d bucklets, %d used cells (of %d) ", dict, dict->count, - dict->fill, dict->table_size); - if (dict != NULL) { - for (i = 0; i < dict->table_size; i++) { - element = dict->table[i]; - size = 0; - if (element) { - while (element != NULL) { - size++; - element = element->next; - } - } - if (xbt_dynar_length(sizes) <= size) { - int prevsize = 1; - xbt_dynar_set(sizes, size, &prevsize); - } else { - int prevsize; - xbt_dynar_get_cpy(sizes, size, &prevsize); - prevsize++; - xbt_dynar_set(sizes, size, &prevsize); + for (int i = 0; i < dict->table_size; i++) { + xbt_dictelm_t element = dict->table[i]; + size = 0; + if (element) { + while (element != NULL) { + size++; + element = element->next; } } - if (!all_sizes) - all_sizes = xbt_dynar_new(sizeof(int), NULL); - - xbt_dynar_foreach(sizes, count, size) { - /* Copy values of this one into all_sizes */ - int prevcount; - if (xbt_dynar_length(all_sizes) <= count) { - prevcount = size; - xbt_dynar_set(all_sizes, count, &prevcount); - } else { - xbt_dynar_get_cpy(all_sizes, count, &prevcount); - prevcount += size; - xbt_dynar_set(all_sizes, count, &prevcount); - } - - /* Report current sizes */ - if (count == 0) - continue; - if (size == 0) - continue; - printf("%uelm x %u cells; ", count, size); + if (xbt_dynar_length(sizes) <= size) { + int prevsize = 1; + xbt_dynar_set(sizes, size, &prevsize); + } else { + int prevsize; + xbt_dynar_get_cpy(sizes, size, &prevsize); + prevsize++; + xbt_dynar_set(sizes, size, &prevsize); } } + if (!all_sizes) + all_sizes = xbt_dynar_new(sizeof(int), NULL); + + xbt_dynar_foreach(sizes, count, size) { + /* Copy values of this one into all_sizes */ + int prevcount; + if (xbt_dynar_length(all_sizes) <= count) { + prevcount = size; + xbt_dynar_set(all_sizes, count, &prevcount); + } else { + xbt_dynar_get_cpy(all_sizes, count, &prevcount); + prevcount += size; + xbt_dynar_set(all_sizes, count, &prevcount); + } + + /* Report current sizes */ + if (count == 0) + continue; + if (size == 0) + continue; + printf("%uelm x %u cells; ", count, size); + } printf("\n"); xbt_dynar_free(&sizes); } @@ -666,7 +603,8 @@ void xbt_dict_postexit(void) #ifdef SIMGRID_TEST #include "xbt.h" #include "xbt/ex.h" -#include "portable.h" +#include "src/portable.h" + XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_dict); @@ -677,8 +615,7 @@ static void debuged_add_ext(xbt_dict_t head, const char *key, { char *data = xbt_strdup(data_to_fill); - xbt_test_log("Add %s under %s", PRINTF_STR(data_to_fill), - PRINTF_STR(key)); + xbt_test_log("Add %s under %s", data_to_fill, key); xbt_dict_set(head, key, data, free_f); if (XBT_LOG_ISENABLED(xbt_dict, xbt_log_priority_debug)) { @@ -713,19 +650,19 @@ static void fill(xbt_dict_t * head, int homogeneous) static void search_ext(xbt_dict_t head, const char *key, const char *data) { - void *found; + char *found; xbt_test_add("Search %s", key); found = xbt_dict_get(head, key); - xbt_test_log("Found %s", (char *) found); + xbt_test_log("Found %s", found); if (data) { xbt_test_assert(found, "data do not match expectations: found NULL while searching for %s", data); if (found) - xbt_test_assert(!strcmp((char *) data, found), + xbt_test_assert(!strcmp(data, found), "data do not match expectations: found %s while searching for %s", - (char *) found, data); + found, data); } else { xbt_test_assert(!found, "data do not match expectations: found %s while searching for NULL", @@ -741,7 +678,7 @@ static void search(xbt_dict_t head, const char *key) static void debuged_remove(xbt_dict_t head, const char *key) { - xbt_test_add("Remove '%s'", PRINTF_STR(key)); + xbt_test_add("Remove '%s'", key); xbt_dict_remove(head, key); /* xbt_dict_dump(head,(void (*)(void*))&printf); */ } @@ -756,10 +693,9 @@ static void traverse(xbt_dict_t head) xbt_dict_foreach(head, cursor, key, data) { if (!key || !data || strcmp(key, data)) { - xbt_test_log("Seen #%d: %s->%s", ++i, PRINTF_STR(key), - PRINTF_STR(data)); + xbt_test_log("Seen #%d: %s->%s", ++i, key, data); } else { - xbt_test_log("Seen #%d: %s", ++i, PRINTF_STR(key)); + xbt_test_log("Seen #%d: %s", ++i, key); } xbt_test_assert(!data || !strcmp(key, data), "Key(%s) != value(%s). Aborting", key, data); @@ -812,7 +748,7 @@ static void count_check_get_key(xbt_dict_t dict, int length) { xbt_dict_cursor_t cursor; char *key; - _XBT_GNUC_UNUSED char *key2; + XBT_ATTRIB_UNUSED char *key2; void *data; int effective = 0; @@ -882,19 +818,19 @@ static void basic_test(int homogeneous) fill(&head, homogeneous); count_check_get_key(head, 7); xbt_test_add("Change 123 to 'Changed 123'"); - xbt_dict_set(head, "123", strdup("Changed 123"), free_f); + xbt_dict_set(head, "123", xbt_strdup("Changed 123"), free_f); count_check_get_key(head, 7); xbt_test_add("Change 123 back to '123'"); - xbt_dict_set(head, "123", strdup("123"), free_f); + xbt_dict_set(head, "123", xbt_strdup("123"), free_f); count_check_get_key(head, 7); xbt_test_add("Change 12a to 'Dummy 12a'"); - xbt_dict_set(head, "12a", strdup("Dummy 12a"), free_f); + xbt_dict_set(head, "12a", xbt_strdup("Dummy 12a"), free_f); count_check_get_key(head, 7); xbt_test_add("Change 12a to '12a'"); - xbt_dict_set(head, "12a", strdup("12a"), free_f); + xbt_dict_set(head, "12a", xbt_strdup("12a"), free_f); count_check_get_key(head, 7); xbt_test_add("Traverse the resulting dictionary"); @@ -1036,9 +972,9 @@ XBT_TEST_UNIT("nulldata", test_dict_nulldata, "NULL data management") xbt_dict_foreach(head, cursor, key, data) { if (!key || !data || strcmp(key, data)) { - xbt_test_log("Seen: %s->%s", PRINTF_STR(key), PRINTF_STR(data)); + xbt_test_log("Seen: %s->%s", key, data); } else { - xbt_test_log("Seen: %s", PRINTF_STR(key)); + xbt_test_log("Seen: %s", key); } if (!strcmp(key, "null")) @@ -1162,4 +1098,27 @@ XBT_TEST_UNIT("crash", test_dict_crash, "Crash test") xbt_dict_free(&head); } +XBT_TEST_UNIT("ext", test_dict_int, "Test dictionnary with int keys") +{ + xbt_dict_t dict = xbt_dict_new(); + int count = 500; + + xbt_test_add("Insert elements"); + int i; + for (i = 0; i < count; ++i) + xbt_dict_set_ext(dict, (char*) &i, sizeof(i), (void*) (intptr_t) i, NULL); + xbt_test_assert(xbt_dict_size(dict) == count, + "Bad number of elements in the dictionnary"); + + xbt_test_add("Check elements"); + for (i = 0; i < count; ++i) { + int res = (int) (intptr_t) xbt_dict_get_ext(dict, (char*) &i, sizeof(i)); + xbt_test_assert(xbt_dict_size(dict) == count, + "Unexpected value at index %i, expected %i but was %i", i, i, res); + } + + xbt_test_add("Free the array"); + xbt_dict_free(&dict); +} + #endif /* SIMGRID_TEST */