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69 lines
2.9 KiB
C
69 lines
2.9 KiB
C
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/**********************************************************************
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Copyright(c) 2011-2016 Intel Corporation All rights reserved.
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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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* 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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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#ifndef _IGZIP_REPEATED_8K_CHAR_RESULT_H_
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#define _IGZIP_REPEATED_8K_CHAR_RESULT_H_
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/* The code for the literal being encoded */
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#define CODE_LIT 0x1
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#define CODE_LIT_LENGTH 0x2
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/* The code for repeat 10. The Length includes the distance code length*/
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#define CODE_10 0x3
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#define CODE_10_LENGTH 0x4
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/* The code for repeat 115-130. The Length includes the distance code length*/
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#define CODE_280 0x0f
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#define CODE_280_LENGTH 0x4
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#define CODE_280_TOTAL_LENGTH CODE_280_LENGTH + 4 + 1
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/* Code representing the end of block. */
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#define END_OF_BLOCK 0x7
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#define END_OF_BLOCK_LEN 0x4
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/* MIN_REPEAT_LEN currently optimizes storage space, another possiblity is to
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* find the size which optimizes speed instead.*/
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#define MIN_REPEAT_LEN 4*1024
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#define HEADER_LENGTH 16
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/* Maximum length of the portion of the header represented by repeat lengths
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* smaller than 258 */
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#define MAX_FIXUP_CODE_LENGTH 8
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/* Headers for constant 0x00 and 0xFF blocks
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* This also contains the first literal character. */
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const uint32_t repeated_char_header[2][5] = {
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{ 0x0121c0ec, 0xc30c0000, 0x7d57fab0, 0x49270938}, /* Deflate header for 0x00 */
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{ 0x0121c0ec, 0xc30c0000, 0x7baaff30, 0x49270938} /* Deflate header for 0xFF */
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};
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#endif /*_IGZIP_REPEATED_8K_CHAR_RESULT_H_*/
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