| |
| |
| |
| |
| |
| |
| #include <psxtypes/psxtypes.h> |
| #include <ntapi/nt_crc32.h> |
| |
| static const uint32_t crc32_table[256] = NTAPI_CRC32_TABLE; |
| |
| uint32_t __ntapi_tt_buffer_crc32( |
| uint32_t prev_hash, |
| const void * buffer, |
| size_t size) |
| { |
| const unsigned char * ch; |
| uint32_t crc32; |
| |
| crc32 = prev_hash ^ 0xFFFFFFFF; |
| ch = buffer; |
| |
| for (; size; size--,ch++) |
| crc32 = (crc32 >> 8) ^ crc32_table[(crc32 ^ *ch) & 0xFF]; |
| |
| return (crc32 ^ 0xFFFFFFFF); |
| } |
| |
| |
| uint32_t __cdecl __ntapi_tt_mbstr_crc32(const void * str) |
| { |
| const unsigned char * ch; |
| uint32_t crc32; |
| |
| crc32 = 0 ^ 0xFFFFFFFF; |
| ch = str; |
| |
| while (*ch) { |
| crc32 = (crc32 >> 8) ^ crc32_table[(crc32 ^ *ch) & 0xFF]; |
| ch++; |
| } |
| |
| return (crc32 ^ 0xFFFFFFFF); |
| } |
| |
| |
| const uint32_t * __cdecl __ntapi_tt_crc32_table(void) |
| { |
| return crc32_table; |
| } |