/********************************************************************* Blosc - Blocked Suffling and Compression Library Author: Francesc Alted See LICENSES/BLOSC.txt for details about copyright and rights to use. **********************************************************************/ /********************************************************************* The code in this file is heavily based on FastLZ, a lightning-fast lossless compression library. See LICENSES/FASTLZ.txt for details about copyright and rights to use. **********************************************************************/ #ifndef BLOSCLZ_H #define BLOSCLZ_H #if defined (__cplusplus) extern "C" { #endif /** Compress a block of data in the input buffer and returns the size of compressed block. The size of input buffer is specified by length. The minimum input buffer size is 16. The output buffer must be at least 5% larger than the input buffer and can not be smaller than 66 bytes. If the input is not compressible, or output does not fit in maxout bytes, the return value will be 0 and you will have to discard the output buffer. The input buffer and the output buffer can not overlap. */ int blosclz_compress(int opt_level, const void* input, int length, void* output, int maxout); /** Decompress a block of compressed data and returns the size of the decompressed block. If error occurs, e.g. the compressed data is corrupted or the output buffer is not large enough, then 0 (zero) will be returned instead. The input buffer and the output buffer can not overlap. Decompression is memory safe and guaranteed not to write the output buffer more than what is specified in maxout. */ int blosclz_decompress(const void* input, int length, void* output, int maxout); #if defined (__cplusplus) } #endif #endif /* BLOSCLZ_H */