X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/48eb2f1b9262fc74f527816c348ed2aa6efa9f65..76c70a751b2ef94044ccb57c6c9cff83e0aec728:/src/xbt/dict.cpp diff --git a/src/xbt/dict.cpp b/src/xbt/dict.cpp index 6a94aae7e3..ce4cc7bb6b 100644 --- a/src/xbt/dict.cpp +++ b/src/xbt/dict.cpp @@ -1,6 +1,6 @@ /* dict - a generic dictionary, variation over hash table */ -/* Copyright (c) 2004-2017. The SimGrid Team. +/* Copyright (c) 2004-2018. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -20,20 +20,11 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dict, xbt, "Dictionaries provide the same functionalities as hash tables"); -xbt_dict_t xbt_dict_new() -{ - XBT_WARN("Function xbt_dict_new() will soon be dropped. Please switch to xbt_dict_new_homogeneous()"); - xbt_dict_t dict = xbt_dict_new_homogeneous(nullptr); - dict->homogeneous = 0; - - return dict; -} - /** * \brief Constructor * \param free_ctn function to call with (\a data as argument) when \a data is removed from the dictionary * \return pointer to the destination - * \see xbt_dict_new(), xbt_dict_free() + * \see xbt_dict_free() * * Creates and initialize a new dictionary with a default hashtable size. * The dictionary is homogeneous: each element share the same free function. @@ -51,7 +42,6 @@ xbt_dict_t xbt_dict_new_homogeneous(void_f_pvoid_t free_ctn) dict->table = xbt_new0(xbt_dictelm_t, dict->table_size + 1); dict->count = 0; dict->fill = 0; - dict->homogeneous = 1; return dict; } @@ -138,20 +128,19 @@ static void xbt_dict_rehash(xbt_dict_t dict) * \param key the key to set the new data * \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. This param - * will only be considered when the dict was instantiated with xbt_dict_new() and not xbt_dict_new_homogeneous() + * \param free_ctn unused parameter (kept for compatibility) * * 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. */ -void xbt_dict_set_ext(xbt_dict_t dict, const char *key, int key_len, void *data, void_f_pvoid_t free_ctn) +void xbt_dict_set_ext(xbt_dict_t dict, const char* key, int key_len, void* data, + XBT_ATTRIB_UNUSED void_f_pvoid_t free_ctn) { unsigned int hash_code = xbt_str_hash_ext(key, key_len); xbt_dictelm_t current; xbt_dictelm_t previous = nullptr; - xbt_assert(not free_ctn, "Cannot set an individual free function in homogeneous dicts."); 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]; @@ -177,7 +166,7 @@ void xbt_dict_set_ext(xbt_dict_t dict, const char *key, int key_len, void *data, 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); + xbt_dictelm_set_data(dict, current, data); } } @@ -187,8 +176,7 @@ void xbt_dict_set_ext(xbt_dict_t dict, const char *key, int key_len, void *data, * \param dict the 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. This param - * will only be considered when the dict was instantiated with xbt_dict_new() and not xbt_dict_new_homogeneous() + * \param free_ctn unused parameter (kept for compatibility) * * set the \a data in the structure under the \a key, which is anull terminated string. */ @@ -258,12 +246,6 @@ char *xbt_dict_get_key(xbt_dict_t dict, const void *data) return nullptr; } -/** @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) * @@ -406,12 +388,6 @@ int xbt_dict_length(xbt_dict_t dict) return dict->count; } -/** @brief function to be used in xbt_dict_dump as long as the stored values are strings */ -void xbt_dict_dump_output_string(void *s) -{ - fputs((char*) s, stdout); -} - /** * \brief test if the dict is empty or not */ @@ -454,63 +430,6 @@ void xbt_dict_dump(xbt_dict_t dict, void_f_pvoid_t output) } } -xbt_dynar_t all_sizes = nullptr; -/** @brief shows some debugging info about the bucklet repartition */ -void xbt_dict_dump_sizes(xbt_dict_t dict) -{ - unsigned int count; - unsigned int size; - - printf("Dict %p: %d bucklets, %d used cells (of %d) ", dict, dict->count, dict->fill, dict->table_size); - - if (not dict) { - printf("\n"); - return; - } - xbt_dynar_t sizes = xbt_dynar_new(sizeof(int), nullptr); - - for (int i = 0; i < dict->table_size; i++) { - xbt_dictelm_t element = dict->table[i]; - size = 0; - if (element) { - while (element != nullptr) { - 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); - } - } - if (not all_sizes) - all_sizes = xbt_dynar_new(sizeof(int), nullptr); - - 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 && size != 0) - printf("%uelm x %u cells; ", count, size); - } - printf("\n"); - xbt_dynar_free(&sizes); -} - /** * Create the dict mallocators. * This is an internal XBT function called during the lib initialization. @@ -533,24 +452,6 @@ void xbt_dict_postexit() xbt_mallocator_free(dict_elm_mallocator); dict_elm_mallocator = nullptr; } - if (all_sizes) { - unsigned int count; - int size; - double avg = 0; - int total_count = 0; - printf("Overall stats:"); - xbt_dynar_foreach(all_sizes, count, size) { - if (count != 0 && size != 0) { - printf("%uelm x %d cells; ", count, size); - avg += count * size; - total_count += size; - } - } - if (total_count > 0) - printf("; %f elm per cell\n", avg / (double)total_count); - else - printf("; 0 elm per cell\n"); - } } #ifdef SIMGRID_TEST @@ -572,7 +473,7 @@ static void debugged_add_ext(xbt_dict_t head, const char* key, const char* data_ xbt_dict_set(head, key, data, nullptr); if (XBT_LOG_ISENABLED(xbt_dict, xbt_log_priority_debug)) { - xbt_dict_dump(head, (void (*)(void *)) &printf); + xbt_dict_dump(head, [](void* s) { fputs((char*)s, stdout); }); fflush(stdout); } } @@ -622,7 +523,6 @@ static void debugged_remove(xbt_dict_t head, const char* key) { xbt_test_add("Remove '%s'", key); xbt_dict_remove(head, key); - /* xbt_dict_dump(head,(void (*)(void*))&printf); */ } static void traverse(xbt_dict_t head) @@ -638,7 +538,7 @@ static void traverse(xbt_dict_t head) } else { xbt_test_log("Seen #%d: %s", ++i, key); } - xbt_test_assert(not data || not strcmp(key, data), "Key(%s) != value(%s). Aborting", key, data); + xbt_test_assert(key && data && strcmp(key, data) == 0, "Key(%s) != value(%s). Aborting", key, data); } } @@ -750,8 +650,7 @@ XBT_TEST_UNIT("basic", test_dict_basic, "Basic usage: change, retrieve and trave /* RETRIEVE */ xbt_test_add("Search 123"); char* data = (char*)xbt_dict_get(head, "123"); - xbt_test_assert(data); - xbt_test_assert(not strcmp("123", data)); + xbt_test_assert(data && strcmp("123", data) == 0); search_not_found(head, "Can't be found"); search_not_found(head, "123 Can't be found"); @@ -767,8 +666,6 @@ XBT_TEST_UNIT("basic", test_dict_basic, "Basic usage: change, retrieve and trave xbt_test_add("Traverse the resulting dictionary"); traverse(head); - /* xbt_dict_dump(head,(void (*)(void*))&printf); */ - xbt_test_add("Free the dictionary twice"); xbt_dict_free(&head); xbt_dict_free(&head); @@ -864,7 +761,7 @@ XBT_TEST_UNIT("nulldata", test_dict_nulldata, "nullptr data management") xbt_test_log("Seen: %s", key); } - if (not strcmp(key, "null")) + if (key && strcmp(key, "null") == 0) found = 1; } xbt_test_assert(found, "the key 'null', associated to nullptr is not found"); @@ -896,7 +793,6 @@ XBT_TEST_UNIT("crash", test_dict_crash, "Crash test") xbt_test_log("Fill the struct, count its elems and frees the structure"); xbt_test_log("using 1000 elements with %d chars long randomized keys.", SIZEOFKEY); xbt_dict_t head = xbt_dict_new_homogeneous(free); - /* if (i%10) printf("."); else printf("%d",i/10); fflush(stdout); */ for (int j = 0; j < 1000; j++) { char* data = nullptr; char* key = (char*)xbt_malloc(SIZEOFKEY); @@ -905,7 +801,6 @@ XBT_TEST_UNIT("crash", test_dict_crash, "Crash test") for (int k = 0; k < SIZEOFKEY - 1; k++) key[k] = rand() % ('z' - 'a') + 'a'; key[SIZEOFKEY - 1] = '\0'; - /* printf("[%d %s]\n",j,key); */ data = (char*) xbt_dict_get_or_null(head, key); } while (data != nullptr); @@ -915,7 +810,6 @@ XBT_TEST_UNIT("crash", test_dict_crash, "Crash test") count(head, j + 1); } - /* xbt_dict_dump(head,(void (*)(void*))&printf); */ traverse(head); xbt_dict_free(&head); xbt_dict_free(&head); @@ -929,7 +823,6 @@ XBT_TEST_UNIT("crash", test_dict_crash, "Crash test") snprintf(key,10, "%d", j); xbt_dict_set(head, key, key, nullptr); } - /*xbt_dict_dump(head,(void (*)(void*))&printf); */ xbt_test_add("Count the elements (retrieving the key and data for each)"); xbt_test_log("There is %d elements", countelems(head)); @@ -937,7 +830,6 @@ XBT_TEST_UNIT("crash", test_dict_crash, "Crash test") xbt_test_add("Search my %d elements 20 times", NB_ELM); char* key = (char*)xbt_malloc(10); for (int i = 0; i < 20; i++) { - /* if (i%10) printf("."); else printf("%d",i/10); fflush(stdout); */ for (int j = 0; j < NB_ELM; j++) { snprintf(key,10, "%d", j); void* data = xbt_dict_get(head, key);