cmake-cmocka-template/cmake/cmocka-1.1.7/example/database.h

38 lines
1.4 KiB
C

/*
* 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.
*/
typedef struct DatabaseConnection DatabaseConnection;
/* Function that takes an SQL query string and sets results to an array of
* pointers with the result of the query. The value returned specifies the
* number of items in the returned array of results. The returned array of
* results are statically allocated and should not be deallocated using free()
*/
typedef unsigned int (*QueryDatabase)(
DatabaseConnection* const connection, const char * const query_string,
void *** const results);
/* Connection to a database. */
struct DatabaseConnection {
const char *url;
unsigned int port;
QueryDatabase query_database;
};
/* Connect to a database. */
DatabaseConnection* connect_to_database(const char * const url,
const unsigned int port);