1 /********************************************************************** 2 Copyright(c) 2011-2016 Intel Corporation All rights reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 * Redistributions of source code must retain the above copyright 8 notice, this list of conditions and the following disclaimer. 9 * Redistributions in binary form must reproduce the above copyright 10 notice, this list of conditions and the following disclaimer in 11 the documentation and/or other materials provided with the 12 distribution. 13 * Neither the name of Intel Corporation nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 **********************************************************************/ 29 #ifndef _IGZIP_REPEATED_8K_CHAR_RESULT_H_ 30 #define _IGZIP_REPEATED_8K_CHAR_RESULT_H_ 31 32 /* The code for the literal being encoded */ 33 #define CODE_LIT 0x1 34 #define CODE_LIT_LENGTH 0x2 35 36 /* The code for repeat 10. The Length includes the distance code length*/ 37 #define CODE_10 0x3 38 #define CODE_10_LENGTH 0x4 39 40 /* The code for repeat 115-130. The Length includes the distance code length*/ 41 #define CODE_280 0x0f 42 #define CODE_280_LENGTH 0x4 43 #define CODE_280_TOTAL_LENGTH CODE_280_LENGTH + 4 + 1 44 45 /* Code representing the end of block. */ 46 #define END_OF_BLOCK 0x7 47 #define END_OF_BLOCK_LEN 0x4 48 49 /* MIN_REPEAT_LEN currently optimizes storage space, another possiblity is to 50 * find the size which optimizes speed instead.*/ 51 #define MIN_REPEAT_LEN 4*1024 52 53 #define HEADER_LENGTH 16 54 55 /* Maximum length of the portion of the header represented by repeat lengths 56 * smaller than 258 */ 57 #define MAX_FIXUP_CODE_LENGTH 8 58 59 60 /* Headers for constant 0x00 and 0xFF blocks 61 * This also contains the first literal character. */ 62 const uint32_t repeated_char_header[2][5] = { 63 { 0x0121c0ec, 0xc30c0000, 0x7d57fab0, 0x49270938}, /* Deflate header for 0x00 */ 64 { 0x0121c0ec, 0xc30c0000, 0x7baaff30, 0x49270938} /* Deflate header for 0xFF */ 65 66 }; 67 68 #endif /*_IGZIP_REPEATED_8K_CHAR_RESULT_H_*/ 69