Differential D14101 Diff 34086 externals/figlet/crc.h

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externals/figlet/crc.h

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				/*
				* crc.h - CRC calculation routine
				*
				* Version 1.0.1
				*/

				/*
				* Copyright (C) 1995, Edward B. Hamrick
				*
				* Permission to use, copy, modify, and distribute this software and
				* its documentation for any purpose and without fee is hereby granted,
				* provided that the above copyright notice appear in all copies and
				* that both that copyright notice and this permission notice appear in
				* supporting documentation, and that the name of the copyright holders
				* not be used in advertising or publicity pertaining to distribution of
				* the software without specific, written prior permission. The copyright
				* holders makes no representations about the suitability of this software
				* for any purpose. It is provided "as is" without express or implied warranty.
				*
				* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
				* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
				* IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT
				* OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
				* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
				* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
				* OF THIS SOFTWARE.
				*/

				/*
				* Changes from 1.0 to 1.0.1:
				* Relicensed under the MIT license, with consent of the copyright holders.
				* Claudio Matsuoka (Jan 11 2011)
				*/

				/*
				* This CRC algorithm is the same as that used in zip. Normally it
				* should be initialized with 0xffffffff, and the final CRC stored
				* should be crc ^ 0xffffffff.
				*
				* It implements the polynomial:
				*
				* x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1
				*/

				#ifndef __CRC_H
				#define __CRC_H

				#ifdef __cplusplus
				extern "C" {
				#endif

				unsigned long CrcUpdate( /* returns updated crc */
				unsigned long crc, /* starting crc */
				unsigned char buffer, / buffer to use to update crc */
				long length /* length of buffer */
				);

				#ifdef __cplusplus
				}
				#endif

				#endif