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Kconfig
(1.23 KB)
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Makefile
(178 B)
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xz_crc32.c
(1.23 KB)
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xz_crc64.c
(923 B)
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xz_dec_bcj.c
(13.58 KB)
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xz_dec_lzma2.c
(28.39 KB)
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xz_dec_stream.c
(20.03 KB)
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xz_dec_syms.c
(664 B)
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xz_dec_test.c
(5.15 KB)
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xz_lzma2.h
(5.97 KB)
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xz_private.h
(4.47 KB)
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xz_stream.h
(1.43 KB)
Editing: xz_crc64.c
/* * CRC64 using the polynomial from ECMA-182 * * This file is similar to xz_crc32.c. See the comments there. * * Authors: Lasse Collin <lasse.collin@tukaani.org> * Igor Pavlov <http://7-zip.org/> * * This file has been put into the public domain. * You can do whatever you want with this file. */ #include "xz_private.h" #ifndef STATIC_RW_DATA # define STATIC_RW_DATA static #endif STATIC_RW_DATA uint64_t xz_crc64_table[256]; XZ_EXTERN void xz_crc64_init(void) { const uint64_t poly = 0xC96C5795D7870F42; uint32_t i; uint32_t j; uint64_t r; for (i = 0; i < 256; ++i) { r = i; for (j = 0; j < 8; ++j) r = (r >> 1) ^ (poly & ~((r & 1) - 1)); xz_crc64_table[i] = r; } return; } XZ_EXTERN uint64_t xz_crc64(const uint8_t *buf, size_t size, uint64_t crc) { crc = ~crc; while (size != 0) { crc = xz_crc64_table[*buf++ ^ (crc & 0xFF)] ^ (crc >> 8); --size; } return ~crc; }
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