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< div id = "projectbrief" > Aaru Data Preservation Suite - Format Library< / div >
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< a href = "crc64_8c.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > /*< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > * This file is part of the Aaru Data Preservation Suite.< / span > < / div >
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< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > * Copyright (c) 2019-2026 Natalia Portillo.< / span > < / div >
2025-10-11 01:35:43 +01:00
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > *< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > * This library is free software; you can redistribute it and/or modify< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > * it under the terms of the GNU Lesser General Public License as< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > * published by the Free Software Foundation; either version 2.1 of the< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > * License, or (at your option) any later version.< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > *< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > * This library is distributed in the hope that it will be useful, but< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > * WITHOUT ANY WARRANTY; without even the implied warranty of< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < span class = "comment" > * Lesser General Public License for more details.< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "comment" > *< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "comment" > * You should have received a copy of the GNU Lesser General Public< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "comment" > * License along with this library; if not, see < http://www.gnu.org/licenses/> .< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "comment" > */< / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < stdlib.h> < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include < < a class = "code" href = "aaruformat_8h.html" > aaruformat.h< / a > > < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #include " < a class = "code" href = "log_8h.html" > log.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < / div >
< div class = "foldopen" id = "foldopen00032" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a66567ca64e31a687d4982cb254b45196" > 32< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < a class = "code hl_struct" href = "structcrc64__ctx.html" > crc64_ctx< / a > *< a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "crc64_8c.html#af16f2c48e857f46bedf48db0bf495bad" > aaruf_crc64_init< / a > (< span class = "keywordtype" > void< / span > )< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > {< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Entering aaruf_crc64_init()" < / span > );< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < a class = "code hl_struct" href = "structcrc64__ctx.html" > crc64_ctx< / a > *ctx = malloc(< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structcrc64__ctx.html" > crc64_ctx< / a > ));< / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "keywordflow" > if< / span > (!ctx) < span class = "keywordflow" > return< / span > NULL;< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > ctx-> < a class = "code hl_variable" href = "structcrc64__ctx.html#a54b4ffe58fb5840ef43487728a1349a8" > crc< / a > = < a class = "code hl_define" href = "crc64_8h.html#ad72070c1e0954a95d3d8d3eb49e4ca06" > CRC64_ECMA_SEED< / a > ;< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Exiting aaruf_crc64_init()" < / span > );< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "keywordflow" > return< / span > ctx;< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < / div >
< div class = "foldopen" id = "foldopen00055" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a1fb4423a841ccd728e3ad0d028cbc9b4" > 55< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < span class = "keywordtype" > int< / span > < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "crc64_8c.html#a1fb4423a841ccd728e3ad0d028cbc9b4" > aaruf_crc64_update< / a > (< a class = "code hl_struct" href = "structcrc64__ctx.html" > crc64_ctx< / a > *ctx, < span class = "keyword" > const< / span > uint8_t *data, uint32_t len)< / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > {< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Entering aaruf_crc64_update(%p, %p, %u)" < / span > , ctx, data, len);< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keywordflow" > if< / span > (!ctx || !data)< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > {< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Exiting aaruf_crc64_update() = -1" < / span > );< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > }< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "preprocessor" > #if defined(__x86_64__) || defined(__amd64) || defined(_M_AMD64) || defined(_M_X64) || defined(__I386__) || \< / span > < / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "preprocessor" > defined(__i386__) || defined(__THW_INTEL) || defined(_M_IX86)< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "keywordflow" > if< / span > (have_clmul())< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > {< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > ctx-> < a class = "code hl_variable" href = "structcrc64__ctx.html#a54b4ffe58fb5840ef43487728a1349a8" > crc< / a > = ~aaruf_crc64_clmul(~ctx-> < a class = "code hl_variable" href = "structcrc64__ctx.html#a54b4ffe58fb5840ef43487728a1349a8" > crc< / a > , data, len);< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Exiting aaruf_crc64_update() = 0" < / span > );< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > }< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "preprocessor" > #if defined(__aarch64__) || defined(_M_ARM64) || defined(__arm__) || defined(_M_ARM)< / span > < / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < span class = "keywordflow" > if< / span > (have_neon())< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > {< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > ctx-> < a class = "code hl_variable" href = "structcrc64__ctx.html#a54b4ffe58fb5840ef43487728a1349a8" > crc< / a > = ~aaruf_crc64_vmull(~ctx-> < a class = "code hl_variable" href = "structcrc64__ctx.html#a54b4ffe58fb5840ef43487728a1349a8" > crc< / a > , data, len);< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Exiting aaruf_crc64_update() = 0" < / span > );< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > }< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < span class = "comment" > // Unroll according to Intel slicing by uint8_t< / span > < / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "comment" > // http://www.intel.com/technology/comms/perfnet/download/CRC_generators.pdf< / span > < / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < span class = "comment" > // http://sourceforge.net/projects/slicing-by-8/< / span > < / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < a class = "code hl_function" href = "crc64_8c.html#a83ecd1f5636915aebacfd29fc6306520" > aaruf_crc64_slicing< / a > (& ctx-> < a class = "code hl_variable" href = "structcrc64__ctx.html#a54b4ffe58fb5840ef43487728a1349a8" > crc< / a > , data, len);< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Exiting aaruf_crc64_update() = 0" < / span > );< / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < / div >
< div class = "foldopen" id = "foldopen00102" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a83ecd1f5636915aebacfd29fc6306520" > 102< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < span class = "keywordtype" > void< / span > < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "crc64_8c.html#a83ecd1f5636915aebacfd29fc6306520" > aaruf_crc64_slicing< / a > (uint64_t *previous_crc, < span class = "keyword" > const< / span > uint8_t *data, uint32_t len)< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > {< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > uint64_t c = *previous_crc;< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "keywordflow" > if< / span > (len > 4)< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > {< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "keyword" > const< / span > uint8_t *limit = NULL;< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "keywordflow" > while< / span > ((uintptr_t)data & 3)< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > {< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > c = < a class = "code hl_variable" href = "crc64_8h.html#ac74d5f4eb89e0a1366aed271f46b6302" > crc64_table< / a > [0][*data++ ^ c & 0xFF] ^ c > > 8;< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > --len;< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > }< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > limit = data + (len & ~(uint32_t)3);< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > len & = (uint32_t)3;< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "keywordflow" > while< / span > (data < limit)< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > {< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "keyword" > const< / span > uint32_t tmp = c ^ *(< span class = "keyword" > const< / span > uint32_t *)data;< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > data += 4;< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > c = < a class = "code hl_variable" href = "crc64_8h.html#ac74d5f4eb89e0a1366aed271f46b6302" > crc64_table< / a > [3][(tmp & 0xFF)] ^ < a class = "code hl_variable" href = "crc64_8h.html#ac74d5f4eb89e0a1366aed271f46b6302" > crc64_table< / a > [2][(tmp > > 8 & 0xFF)] ^ c > > 32 ^< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < a class = "code hl_variable" href = "crc64_8h.html#ac74d5f4eb89e0a1366aed271f46b6302" > crc64_table< / a > [1][(tmp > > 16 & 0xFF)] ^ < a class = "code hl_variable" href = "crc64_8h.html#ac74d5f4eb89e0a1366aed271f46b6302" > crc64_table< / a > [0][(tmp > > 24)];< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > }< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > }< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < span class = "keywordflow" > while< / span > (len-- != 0) c = < a class = "code hl_variable" href = "crc64_8h.html#ac74d5f4eb89e0a1366aed271f46b6302" > crc64_table< / a > [0][*data++ ^ c & 0xFF] ^ c > > 8;< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > *previous_crc = c;< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < / div >
< div class = "foldopen" id = "foldopen00141" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#ae48cfb59c6585e9ffd4cd1a97044891f" > 141< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < span class = "keywordtype" > int< / span > < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "crc64_8c.html#ae48cfb59c6585e9ffd4cd1a97044891f" > aaruf_crc64_final< / a > (< a class = "code hl_struct" href = "structcrc64__ctx.html" > crc64_ctx< / a > *ctx, uint64_t *crc)< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > {< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < span class = "keywordflow" > if< / span > (!ctx) < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > *crc = ctx-> < a class = "code hl_variable" href = "structcrc64__ctx.html#a54b4ffe58fb5840ef43487728a1349a8" > crc< / a > ^ < a class = "code hl_define" href = "crc64_8h.html#ad72070c1e0954a95d3d8d3eb49e4ca06" > CRC64_ECMA_SEED< / a > ;< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < / div >
< div class = "foldopen" id = "foldopen00155" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a4943569a8623eb2e3e0adc276c433097" > 155< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < span class = "keywordtype" > void< / span > < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "crc64_8c.html#a4943569a8623eb2e3e0adc276c433097" > aaruf_crc64_free< / a > (< a class = "code hl_struct" href = "structcrc64__ctx.html" > crc64_ctx< / a > *ctx)< / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > {< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < span class = "keywordflow" > if< / span > (ctx) free(ctx);< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < / div >
< div class = "foldopen" id = "foldopen00160" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > 160< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > uint64_t < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "crc64_8c.html#adae8cec415b4af4b7a9e8a4a74d82828" > aaruf_crc64_data< / a > (< span class = "keyword" > const< / span > uint8_t *data, < span class = "keyword" > const< / span > uint32_t len)< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > {< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < a class = "code hl_struct" href = "structcrc64__ctx.html" > crc64_ctx< / a > *ctx = < a class = "code hl_function" href = "crc64_8c.html#af16f2c48e857f46bedf48db0bf495bad" > aaruf_crc64_init< / a > ();< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > uint64_t crc = 0;< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > < / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > < span class = "keywordflow" > if< / span > (!ctx) < span class = "keywordflow" > return< / span > crc;< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > < / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < a class = "code hl_function" href = "crc64_8c.html#a1fb4423a841ccd728e3ad0d028cbc9b4" > aaruf_crc64_update< / a > (ctx, data, len);< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < a class = "code hl_function" href = "crc64_8c.html#ae48cfb59c6585e9ffd4cd1a97044891f" > aaruf_crc64_final< / a > (ctx, & crc);< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < a class = "code hl_function" href = "crc64_8c.html#a4943569a8623eb2e3e0adc276c433097" > aaruf_crc64_free< / a > (ctx);< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < span class = "keywordflow" > return< / span > crc;< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > }< / div >
< / div >
< div class = "ttc" id = "aaaruformat_8h_html" > < div class = "ttname" > < a href = "aaruformat_8h.html" > aaruformat.h< / a > < / div > < / div >
< div class = "ttc" id = "acrc64_8c_html_a1fb4423a841ccd728e3ad0d028cbc9b4" > < div class = "ttname" > < a href = "crc64_8c.html#a1fb4423a841ccd728e3ad0d028cbc9b4" > aaruf_crc64_update< / a > < / div > < div class = "ttdeci" > int aaruf_crc64_update(crc64_ctx *ctx, const uint8_t *data, uint32_t len)< / div > < div class = "ttdoc" > Updates the CRC64 context with new data.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00055" > crc64.c:55< / a > < / div > < / div >
< div class = "ttc" id = "acrc64_8c_html_a4943569a8623eb2e3e0adc276c433097" > < div class = "ttname" > < a href = "crc64_8c.html#a4943569a8623eb2e3e0adc276c433097" > aaruf_crc64_free< / a > < / div > < div class = "ttdeci" > void aaruf_crc64_free(crc64_ctx *ctx)< / div > < div class = "ttdoc" > Frees a CRC64 context.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00155" > crc64.c:155< / a > < / div > < / div >
< div class = "ttc" id = "acrc64_8c_html_a83ecd1f5636915aebacfd29fc6306520" > < div class = "ttname" > < a href = "crc64_8c.html#a83ecd1f5636915aebacfd29fc6306520" > aaruf_crc64_slicing< / a > < / div > < div class = "ttdeci" > void aaruf_crc64_slicing(uint64_t *previous_crc, const uint8_t *data, uint32_t len)< / div > < div class = "ttdoc" > Updates a CRC64 value using the slicing-by-8 algorithm.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00102" > crc64.c:102< / a > < / div > < / div >
< div class = "ttc" id = "acrc64_8c_html_adae8cec415b4af4b7a9e8a4a74d82828" > < div class = "ttname" > < a href = "crc64_8c.html#adae8cec415b4af4b7a9e8a4a74d82828" > aaruf_crc64_data< / a > < / div > < div class = "ttdeci" > uint64_t aaruf_crc64_data(const uint8_t *data, const uint32_t len)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00160" > crc64.c:160< / a > < / div > < / div >
< div class = "ttc" id = "acrc64_8c_html_ae48cfb59c6585e9ffd4cd1a97044891f" > < div class = "ttname" > < a href = "crc64_8c.html#ae48cfb59c6585e9ffd4cd1a97044891f" > aaruf_crc64_final< / a > < / div > < div class = "ttdeci" > int aaruf_crc64_final(crc64_ctx *ctx, uint64_t *crc)< / div > < div class = "ttdoc" > Computes the final CRC64 value from the context.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00141" > crc64.c:141< / a > < / div > < / div >
< div class = "ttc" id = "acrc64_8c_html_af16f2c48e857f46bedf48db0bf495bad" > < div class = "ttname" > < a href = "crc64_8c.html#af16f2c48e857f46bedf48db0bf495bad" > aaruf_crc64_init< / a > < / div > < div class = "ttdeci" > crc64_ctx * aaruf_crc64_init(void)< / div > < div class = "ttdoc" > Initializes a CRC64 context.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00032" > crc64.c:32< / a > < / div > < / div >
< div class = "ttc" id = "acrc64_8h_html_ac74d5f4eb89e0a1366aed271f46b6302" > < div class = "ttname" > < a href = "crc64_8h.html#ac74d5f4eb89e0a1366aed271f46b6302" > crc64_table< / a > < / div > < div class = "ttdeci" > static const uint64_t crc64_table[4][256]< / div > < div class = "ttdoc" > Precomputed slicing-by-4 ECMA-182 CRC64 lookup tables (4 * 256 * 8 = 8192 bytes).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "crc64_8h_source.html#l00066" > crc64.h:66< / a > < / div > < / div >
< div class = "ttc" id = "acrc64_8h_html_ad72070c1e0954a95d3d8d3eb49e4ca06" > < div class = "ttname" > < a href = "crc64_8h.html#ad72070c1e0954a95d3d8d3eb49e4ca06" > CRC64_ECMA_SEED< / a > < / div > < div class = "ttdeci" > #define CRC64_ECMA_SEED< / div > < div class = "ttdoc" > ECMA-182 initial seed (all bits set).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "crc64_8h_source.html#l00280" > crc64.h:280< / a > < / div > < / div >
2026-01-04 16:05:30 +00:00
< div class = "ttc" id = "adecls_8h_html_a018e0da1c1f7e4f6187a982c0e40e056" > < div class = "ttname" > < a href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < / div > < div class = "ttdeci" > #define AARU_CALL< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "decls_8h_source.html#l00046" > decls.h:46< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_a9001412c35f3c92d3a9320d27b0d97f9" > < div class = "ttname" > < a href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < / div > < div class = "ttdeci" > #define AARU_EXPORT< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "decls_8h_source.html#l00055" > decls.h:55< / a > < / div > < / div >
2025-10-11 01:35:43 +01:00
< div class = "ttc" id = "alog_8h_html" > < div class = "ttname" > < a href = "log_8h.html" > log.h< / a > < / div > < / div >
< div class = "ttc" id = "alog_8h_html_a21cc0459b78d5f2d7bd737e5aae1278a" > < div class = "ttname" > < a href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > < / div > < div class = "ttdeci" > #define TRACE(fmt,...)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "log_8h_source.html#l00025" > log.h:25< / a > < / div > < / div >
< div class = "ttc" id = "astructcrc64__ctx_html" > < div class = "ttname" > < a href = "structcrc64__ctx.html" > crc64_ctx< / a > < / div > < div class = "ttdoc" > Minimal ECMA-182 CRC64 incremental state container (running value only).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "crc64_8h_source.html#l00055" > crc64.h:56< / a > < / div > < / div >
< div class = "ttc" id = "astructcrc64__ctx_html_a54b4ffe58fb5840ef43487728a1349a8" > < div class = "ttname" > < a href = "structcrc64__ctx.html#a54b4ffe58fb5840ef43487728a1349a8" > crc64_ctx::crc< / a > < / div > < div class = "ttdeci" > uint64_t crc< / div > < div class = "ttdoc" > Running CRC value (initialize to CRC64_ECMA_SEED before first update).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "crc64_8h_source.html#l00057" > crc64.h:57< / a > < / div > < / div >
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2025-12-21 20:17:32 +00:00
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2025-10-11 01:35:43 +01:00
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