diff options
Diffstat (limited to 'engines/wintermute/utils/crc.h')
| -rw-r--r-- | engines/wintermute/utils/crc.h | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/engines/wintermute/utils/crc.h b/engines/wintermute/utils/crc.h index 9b9446ce57..77c2ea267f 100644 --- a/engines/wintermute/utils/crc.h +++ b/engines/wintermute/utils/crc.h @@ -1,85 +1,85 @@ -/**********************************************************************
- *
- * Filename: crc.h
- *
- * Description: A header file describing the various CRC standards.
- *
- * Notes:
- *
- *
- * Copyright (c) 2000 by Michael Barr. This software is placed into
- * the public domain and may be used for any purpose. However, this
- * notice must not be changed or removed and no warranty is either
- * expressed or implied by its publication or distribution.
- **********************************************************************/
-
-#ifndef _crc_h
-#define _crc_h
-
-#include "common/system.h" // For types.
-
-namespace Wintermute {
-
-#ifndef TRUE
-#define FALSE 0
-#define TRUE !FALSE
-#endif
-
-/*
- * Select the CRC standard from the list that follows.
- */
-#define CRC32
-
-#if defined(CRC_CCITT)
-
-typedef uint16 crc;
-
-#define CRC_NAME "CRC-CCITT"
-#define POLYNOMIAL 0x1021
-#define INITIAL_REMAINDER 0xFFFF
-#define FINAL_XOR_VALUE 0x0000
-#define REFLECT_DATA FALSE
-#define REFLECT_REMAINDER FALSE
-#define CHECK_VALUE 0x29B1
-
-#elif defined(CRC16)
-
-typedef uint16 crc;
-
-#define CRC_NAME "CRC-16"
-#define POLYNOMIAL 0x8005
-#define INITIAL_REMAINDER 0x0000
-#define FINAL_XOR_VALUE 0x0000
-#define REFLECT_DATA TRUE
-#define REFLECT_REMAINDER TRUE
-#define CHECK_VALUE 0xBB3D
-
-#elif defined(CRC32)
-
-typedef uint32 crc;
-
-#define CRC_NAME "CRC-32"
-#define POLYNOMIAL 0x04C11DB7
-#define INITIAL_REMAINDER 0xFFFFFFFF
-#define FINAL_XOR_VALUE 0xFFFFFFFF
-#define REFLECT_DATA TRUE
-#define REFLECT_REMAINDER TRUE
-#define CHECK_VALUE 0xCBF43926
-
-#else
-
-#error "One of CRC_CCITT, CRC16, or CRC32 must be #define'd."
-
-#endif
-
-void crcInit(void);
-crc crcSlow(unsigned char const message[], int nBytes);
-crc crcFast(unsigned char const message[], int nBytes);
-
-extern "C" crc crc_initialize(void);
-extern "C" crc crc_process_byte(unsigned char byteVal, crc remainder);
-extern "C" crc crc_finalize(crc remainder);
-
-} // End of namespace Wintermute
-
-#endif /* _crc_h */
+/********************************************************************** + * + * Filename: crc.h + * + * Description: A header file describing the various CRC standards. + * + * Notes: + * + * + * Copyright (c) 2000 by Michael Barr. This software is placed into + * the public domain and may be used for any purpose. However, this + * notice must not be changed or removed and no warranty is either + * expressed or implied by its publication or distribution. + **********************************************************************/ + +#ifndef _crc_h +#define _crc_h + +#include "common/system.h" // For types. + +namespace Wintermute { + +#ifndef TRUE +#define FALSE 0 +#define TRUE !FALSE +#endif + +/* + * Select the CRC standard from the list that follows. + */ +#define CRC32 + +#if defined(CRC_CCITT) + +typedef uint16 crc; + +#define CRC_NAME "CRC-CCITT" +#define POLYNOMIAL 0x1021 +#define INITIAL_REMAINDER 0xFFFF +#define FINAL_XOR_VALUE 0x0000 +#define REFLECT_DATA FALSE +#define REFLECT_REMAINDER FALSE +#define CHECK_VALUE 0x29B1 + +#elif defined(CRC16) + +typedef uint16 crc; + +#define CRC_NAME "CRC-16" +#define POLYNOMIAL 0x8005 +#define INITIAL_REMAINDER 0x0000 +#define FINAL_XOR_VALUE 0x0000 +#define REFLECT_DATA TRUE +#define REFLECT_REMAINDER TRUE +#define CHECK_VALUE 0xBB3D + +#elif defined(CRC32) + +typedef uint32 crc; + +#define CRC_NAME "CRC-32" +#define POLYNOMIAL 0x04C11DB7 +#define INITIAL_REMAINDER 0xFFFFFFFF +#define FINAL_XOR_VALUE 0xFFFFFFFF +#define REFLECT_DATA TRUE +#define REFLECT_REMAINDER TRUE +#define CHECK_VALUE 0xCBF43926 + +#else + +#error "One of CRC_CCITT, CRC16, or CRC32 must be #define'd." + +#endif + +void crcInit(void); +crc crcSlow(unsigned char const message[], int nBytes); +crc crcFast(unsigned char const message[], int nBytes); + +extern "C" crc crc_initialize(void); +extern "C" crc crc_process_byte(unsigned char byteVal, crc remainder); +extern "C" crc crc_finalize(crc remainder); + +} // End of namespace Wintermute + +#endif /* _crc_h */ |