diff options
Diffstat (limited to 'libraries/xz-embedded/src/xz_crc32.c')
| -rw-r--r-- | libraries/xz-embedded/src/xz_crc32.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/libraries/xz-embedded/src/xz_crc32.c b/libraries/xz-embedded/src/xz_crc32.c index c412662b..65d9d5b8 100644 --- a/libraries/xz-embedded/src/xz_crc32.c +++ b/libraries/xz-embedded/src/xz_crc32.c @@ -29,33 +29,33 @@ STATIC_RW_DATA uint32_t xz_crc32_table[256]; XZ_EXTERN void xz_crc32_init(void) { - const uint32_t poly = 0xEDB88320; + const uint32_t poly = 0xEDB88320; - uint32_t i; - uint32_t j; - uint32_t r; + uint32_t i; + uint32_t j; + uint32_t r; - for (i = 0; i < 256; ++i) - { - r = i; - for (j = 0; j < 8; ++j) - r = (r >> 1) ^ (poly & ~((r & 1) - 1)); + for (i = 0; i < 256; ++i) + { + r = i; + for (j = 0; j < 8; ++j) + r = (r >> 1) ^ (poly & ~((r & 1) - 1)); - xz_crc32_table[i] = r; - } + xz_crc32_table[i] = r; + } - return; + return; } XZ_EXTERN uint32_t xz_crc32(const uint8_t *buf, size_t size, uint32_t crc) { - crc = ~crc; + crc = ~crc; - while (size != 0) - { - crc = xz_crc32_table[*buf++ ^ (crc & 0xFF)] ^ (crc >> 8); - --size; - } + while (size != 0) + { + crc = xz_crc32_table[*buf++ ^ (crc & 0xFF)] ^ (crc >> 8); + --size; + } - return ~crc; + return ~crc; } |