zlib
Compression (CRC-32, Deflate/Inflate)
Constants
CRC32_POLY = 3988292384CRC-32 polynomial: 0xEDB88320 (reversed)
Functions
| Function | Description |
|---|---|
zlib_crc32 | CRC-32 of data buffer. |
zlib_crc32_update | Incremental CRC-32 update. |
zlib_adler32 | Adler-32 checksum. |
zlib_compress | Compress using simplified DEFLATE (stored blocks, no Huffman for simplicity)…. |
zlib_decompress | Decompress zlib-compressed data (handles stored blocks). Returns decompressed… |
Details
zlib_crc32
fn zlib_crc32(data: &i8, len: i64) -> i64CRC-32 of data buffer.
zlib_crc32_update
fn zlib_crc32_update(crc: i64, data: &i8, len: i64) -> i64Incremental CRC-32 update.
zlib_adler32
fn zlib_adler32(data: &i8, len: i64) -> i64Adler-32 checksum.
zlib_compress
fn zlib_compress(src: &i8, slen: i64, dst: &i8, dmax: i64) -> i64Compress using simplified DEFLATE (stored blocks, no Huffman for simplicity). Format: zlib header (2 bytes) + stored blocks + Adler-32 (4 bytes). Returns compressed size.
zlib_decompress
fn zlib_decompress(src: &i8, slen: i64, dst: &i8, dmax: i64) -> i64Decompress zlib-compressed data (handles stored blocks). Returns decompressed size.