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Diffstat (limited to 'Doc/lib/libzlib.tex')
| -rw-r--r-- | Doc/lib/libzlib.tex | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Doc/lib/libzlib.tex b/Doc/lib/libzlib.tex index dfbb43d..876f8c0 100644 --- a/Doc/lib/libzlib.tex +++ b/Doc/lib/libzlib.tex @@ -123,6 +123,12 @@ prevents compressing any more data. After calling action is to delete the object. \end{methoddesc} +\begin{methoddesc}[Compress]{copy}{} +Returns a copy of the compression object. This can be used to efficiently +compress a set of data that share a common initial prefix. +\versionadded{2.5} +\end{methoddesc} + Decompression objects support the following methods, and two attributes: \begin{memberdesc}{unused_data} @@ -176,6 +182,13 @@ The optional parameter \var{length} sets the initial size of the output buffer. \end{methoddesc} +\begin{methoddesc}[Decompress]{copy}{} +Returns a copy of the decompression object. This can be used to save the +state of the decompressor midway through the data stream in order to speed up +random seeks into the stream at a future point. +\versionadded{2.5} +\end{methoddesc} + \begin{seealso} \seemodule{gzip}{Reading and writing \program{gzip}-format files.} \seeurl{http://www.zlib.net}{The zlib library home page.} |