38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/*
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* Copyright 2008 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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typedef struct DatabaseConnection DatabaseConnection;
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/* Function that takes an SQL query string and sets results to an array of
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* pointers with the result of the query. The value returned specifies the
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* number of items in the returned array of results. The returned array of
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* results are statically allocated and should not be deallocated using free()
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*/
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typedef unsigned int (*QueryDatabase)(
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DatabaseConnection* const connection, const char * const query_string,
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void *** const results);
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/* Connection to a database. */
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struct DatabaseConnection {
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const char *url;
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unsigned int port;
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QueryDatabase query_database;
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};
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/* Connect to a database. */
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DatabaseConnection* connect_to_database(const char * const url,
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const unsigned int port);
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