51 lines
2.4 KiB
C
51 lines
2.4 KiB
C
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/*
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* Copyright 2015 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __LZ4_H_
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#define __LZ4_H_
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#include <stddef.h>
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/* Decompresses an LZ4F image (multiple LZ4 blocks with frame header) from src
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* to dst, ensuring that it doesn't read more than srcn bytes and doesn't write
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* more than dstn. Buffer sizes must stay below 2GB. Can decompress files loaded
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* to the end of a buffer in-place, as long as buffer is larger than the final
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* output size. (Usually just a few bytes, but may be up to (8 + dstn/255) in
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* worst case. Will reliably return an error if buffer was too small.)
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* Returns amount of decompressed bytes, or 0 on error.
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*/
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size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn);
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/* Same as ulz4fn() but does not perform any bounds checks. */
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size_t ulz4f(const void *src, void *dst);
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#endif /* __LZ4_H_ */
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