1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _RTL_CRC_H_ 25 #define _RTL_CRC_H_ "$Revision: 1.4 $" 26 27 #include <sal/types.h> 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /*======================================================================== 34 * 35 * rtl_crc32 interface. 36 * 37 *======================================================================*/ 38 /** Evaluate CRC32 over given data. 39 @descr This function evaluates the CRC polynomial 0xEDB88320. 40 41 @param Crc [in] CRC32 over previous data or zero. 42 @param Data [in] data buffer. 43 @param DatLen [in] data buffer length. 44 @return new CRC32 value. 45 */ 46 sal_uInt32 SAL_CALL rtl_crc32 ( 47 sal_uInt32 Crc, 48 const void *Data, sal_uInt32 DatLen 49 ) SAL_THROW_EXTERN_C(); 50 51 /*======================================================================== 52 * 53 * The End. 54 * 55 *======================================================================*/ 56 57 #ifdef __cplusplus 58 } 59 #endif 60 61 #endif /* _RTL_CRC_H_ */ 62 63