/src/example/key_value.c
http://cmockery.googlecode.com/ · C · 54 lines · 30 code · 6 blank · 18 comment · 3 complexity · d86e7b1949d7c92a91492bc7860e697a MD5 · raw file
- /*
- * Copyright 2008 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #include <stddef.h>
- #include <stdlib.h>
- #include <string.h>
- typedef struct KeyValue {
- unsigned int key;
- const char* value;
- } KeyValue;
- static KeyValue *key_values = NULL;
- static unsigned int number_of_key_values = 0;
- void set_key_values(KeyValue * const new_key_values,
- const unsigned int new_number_of_key_values) {
- key_values = new_key_values;
- number_of_key_values = new_number_of_key_values;
- }
- // Compare two key members of KeyValue structures.
- int key_value_compare_keys(const void *a, const void *b) {
- return (int)((KeyValue*)a)->key - (int)((KeyValue*)b)->key;
- }
- // Search an array of key value pairs for the item with the specified value.
- KeyValue* find_item_by_value(const char * const value) {
- unsigned int i;
- for (i = 0; i < number_of_key_values; i++) {
- if (strcmp(key_values[i].value, value) == 0) {
- return &key_values[i];
- }
- }
- return NULL;
- }
- // Sort an array of key value pairs by key.
- void sort_items_by_key() {
- qsort(key_values, number_of_key_values, sizeof(*key_values),
- key_value_compare_keys);
- }