diff options
Diffstat (limited to 'common/zlib.h')
| -rw-r--r-- | common/zlib.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/common/zlib.h b/common/zlib.h index 61322c286a..8372499922 100644 --- a/common/zlib.h +++ b/common/zlib.h @@ -86,10 +86,18 @@ bool inflateZlibHeaderless(byte *dst, uint dstLen, const byte *src, uint srcLen, * format. In the former case, the original stream is returned unmodified * (and in particular, not wrapped). * + * Certain GZip-formats don't supply an easily readable length, if you + * still need the length carried along with the stream, and you know + * the decompressed length at wrap-time, then it can be supplied as knownSize + * here. knownSize will be ignored if the GZip-stream DOES include a length. + * * It is safe to call this with a NULL parameter (in this case, NULL is * returned). + * + * @param toBeWrapped the stream to be wrapped (if it is in gzip-format) + * @param knownSize a supplied length of the compressed data (if not available directly) */ -SeekableReadStream *wrapCompressedReadStream(SeekableReadStream *toBeWrapped); +SeekableReadStream *wrapCompressedReadStream(SeekableReadStream *toBeWrapped, uint32 knownSize = 0); /** * Take an arbitrary WriteStream and wrap it in a custom stream which provides |