| /////////////////////////////////////////////////////////////////////////////// |
| // |
| /// \file crc32_tablegen.c |
| /// \brief Generates CRC32 crc32_table.c |
| /// |
| /// Compiling: gcc -std=c99 -o crc32_tablegen crc32_tablegen.c crc32_init.c |
| /// Add -DWORDS_BIGENDIAN to generate big endian table. |
| // |
| // This code has been put into the public domain. |
| // |
| // This library 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. |
| // |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #include <sys/types.h> |
| #include <inttypes.h> |
| #include <stdio.h> |
| |
| |
| extern void lzma_crc32_init(void); |
| |
| extern uint32_t lzma_crc32_table[8][256]; |
| |
| |
| int |
| main() |
| { |
| lzma_crc32_init(); |
| |
| printf("/* This file has been automatically generated by " |
| "crc32_tablegen.c. */\n\n" |
| "#include <inttypes.h>\n\n" |
| "const uint32_t lzma_crc32_table[8][256] = {\n\t{"); |
| |
| for (size_t s = 0; s < 8; ++s) { |
| for (size_t b = 0; b < 256; ++b) { |
| if ((b % 4) == 0) |
| printf("\n\t\t"); |
| |
| printf("0x%08" PRIX32, lzma_crc32_table[s][b]); |
| |
| if (b != 255) |
| printf(", "); |
| } |
| |
| if (s == 7) |
| printf("\n\t}\n};\n"); |
| else |
| printf("\n\t}, {"); |
| } |
| |
| return 0; |
| } |