| /* |
| * 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); |
| |