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| author | Clement Sibille <clements+git@lisible.xyz> | 2024-02-27 17:23:33 +0900 |
|---|---|---|
| committer | Clement Sibille <clements+git@lisible.xyz> | 2024-02-27 17:23:33 +0900 |
| commit | e1e5b4e92bcd460b43ce1b852560751b6525593e (patch) | |
| tree | 4b8bef35e0621240c6531ee28abb55a42e1a70f4 /lisiblepng/src/deflate.h | |
| parent | 228854f8672d5015550ab6f6c76e806d099bb4db (diff) | |
Implement Deflate decompression
This patch adds the decompression code for zlib compressed data streams
that are compressed using Deflate based on RFC-1950 and RFC-1951.
This implementation lacks support for zlib prefix dictionaries and for
non-compressed Deflate blocks as these are less common.
Diffstat (limited to 'lisiblepng/src/deflate.h')
| -rw-r--r-- | lisiblepng/src/deflate.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lisiblepng/src/deflate.h b/lisiblepng/src/deflate.h index e40f816..77100c6 100644 --- a/lisiblepng/src/deflate.h +++ b/lisiblepng/src/deflate.h @@ -5,7 +5,11 @@ #include <stdint.h> #include <stdlib.h> -bool zlib_decompress(const uint8_t *compressed_data_buffer, - const size_t compressed_data_length); +/// Decompresses zlib compressed data as defined by RFC 1950 +/// +/// @return A pointer to the decompressed data, the caller is responsible to +/// deallocate it using free(). In case of error, NULL is returned. +char *zlib_decompress(const uint8_t *compressed_data_buffer, + const size_t compressed_data_length); #endif // LISIBLE_PNG_DEFLATE_H |