+++ /dev/null
-/* -*-c-*-
- *
- * Calculating cyclic redundancy values (non-cryptographic!)
- *
- * (c) 1998 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of the mLib utilities library.
- *
- * mLib is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * mLib is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with mLib; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#ifndef MLIB_CRC32_H
-#define MLIB_CRC32_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/*----- Header files ------------------------------------------------------*/
-
-#ifndef MLIB_BITS_H
-# include "bits.h"
-#endif
-
-/*----- External values ---------------------------------------------------*/
-
-extern uint32 crc32_table[256];
-
-/*----- Macros ------------------------------------------------------------*/
-
-/* --- @CRC32@ --- *
- *
- * Arguments: @uint32 result@ = where to put the result
- * @uint32 crc@ = carryover from previous call, or zero
- * @void *buf@ = pointer to buffer to check
- * @size_t sz@ = size of the buffer
- *
- * Use: A restartable CRC calculator wrapped up in a macro.
- */
-
-#define CRC32(result, crc, buf, sz) do { \
- const octet *_p = (const octet *)(buf); \
- const octet *_l = _p + (sz); \
- uint32 _crc = U32(~(crc)); \
- \
- while (_p < _l) \
- _crc = (_crc >> 8) ^ crc32_table[U8(*_p++ ^ _crc)]; \
- (result) = U32(~_crc); \
-} while (0)
-
-/*----- Functions provided ------------------------------------------------*/
-
-/* --- @crc32@ --- *
- *
- * Arguments: @uint32 crc@ = carryover from previous call, or zero
- * @const void *buf@ = pointer to buffer to check
- * @size_t sz@ = size of the buffer
- *
- * Returns: The CRC updated by the new buffer.
- *
- * Use: A restartable CRC calculator. This is just a function
- * wrapper for the macro version.
- */
-
-extern uint32 crc32(uint32 /*crc*/, const void */*buf*/, size_t /*sz*/);
-
-/*----- That's all, folks -------------------------------------------------*/
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif