include/rtl/crc.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
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  14  *   ownership. The ASF licenses this file to you under the Apache
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_RTL_CRC_H
  21 #define INCLUDED_RTL_CRC_H
  22
  23 #include "sal/config.h"
  24
  25 #include "sal/saldllapi.h"
  26 #include "sal/types.h"
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 /** Evaluate CRC32 over given data.
  33
  34     This function evaluates the CRC polynomial 0xEDB88320.
  35
  36     @param[in] Crc    CRC32 over previous data or zero.
  37     @param[in] Data   data buffer.
  38     @param[in] DatLen data buffer length.
  39     @return new CRC32 value.
  40  */
  41 SAL_DLLPUBLIC sal_uInt32 SAL_CALL rtl_crc32 (
  42     sal_uInt32  Crc,
  43     const void *Data, sal_uInt32 DatLen
  44 ) SAL_THROW_EXTERN_C();
  45
  46 #ifdef __cplusplus
  47 }
  48 #endif
  49
  50 #endif // INCLUDED_RTL_CRC_H
  51
  52 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */