ref: ce1852b585349f8244fb132b199004f22d2a99fb
dir: /src/crc32.h/
/* This file is part of REWise. * * REWise is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * REWise is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ #ifndef H_REWISE_CRC32 #define H_REWISE_CRC32 #include <stdint.h> // https://wiki.osdev.org/CRC32 #define CRC32_SEED 0xedb88320 #define CRC32_NEW 0xffffffff uint32_t crc32Finalize(uint32_t value); uint32_t crc32UpdateByte(uint32_t value, unsigned char byte); uint32_t crc32Update(uint32_t value, unsigned char * buff, uint32_t size); #ifdef REWISE_DEV_DEBUG // Don't use these, they where used to generate the lookup table. // Preserve to give insight on how the 'CRC32_LOOKUP' array is build. void crc32BuildTable(void); void crc32PrintTable(void); #endif #endif