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author | June McEnroe <june@causal.agency> | 2020-12-27 22:11:35 -0500 |
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committer | June McEnroe <june@causal.agency> | 2020-12-27 22:11:35 -0500 |
commit | 98ea1a27fc5e0377b13213e009f0c236f5fe73b4 (patch) | |
tree | 94c59aaaca157159510c1f81edba1d5e66cfdd64 /doc/zlib/gzbuffer.3 | |
parent | Add "this commit" option to switch form (diff) | |
parent | Replace Makefile with portable one (diff) | |
download | src-98ea1a27fc5e0377b13213e009f0c236f5fe73b4.tar.gz src-98ea1a27fc5e0377b13213e009f0c236f5fe73b4.zip |
Add 'doc/zlib/' from commit '38f010d3972db4262e7e0bcd7d6b9814f95d3538'
git-subtree-dir: doc/zlib git-subtree-mainline: db652695744cc54584296b54289166b4b21ac407 git-subtree-split: 38f010d3972db4262e7e0bcd7d6b9814f95d3538
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-rw-r--r-- | doc/zlib/gzbuffer.3 | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/doc/zlib/gzbuffer.3 b/doc/zlib/gzbuffer.3 new file mode 100644 index 00000000..de7c706a --- /dev/null +++ b/doc/zlib/gzbuffer.3 @@ -0,0 +1,59 @@ +.Dd January 15, 2017 +.Dt GZBUFFER 3 +.Os +. +.Sh NAME +.Nm gzbuffer +.Nd set buffer size +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft int +.Fn gzbuffer "gzFile file" "unsigned size" +. +.Sh DESCRIPTION +Set the internal buffer size +used by this library's functions. +The default buffer size is 8192 bytes. +This function must be called after +.Xr gzopen 3 +or +.Xr gzdopen 3 , +and before any other calls +that read or write the file. +The buffer memory allocation +is always deferred to the first read or write. +Three times that size in buffer space is allocated. +A larger buffer size of, +for example, +64K or 128K bytes +will noticeably increase the speed +of decompression (reading). +. +.Pp +The new buffer size also affects +the maximum length for +.Xr gzprintf 3 . +. +.Sh RETURN VALUES +.Fn gzbuffer +returns 0 on success, +or -1 on failure, +such as being called too late. +. +.Sh SEE ALSO +.Xr gzopen 3 , +.Xr gzprintf 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An C. McEnroe Aq Mt june@causal.agency . +. +.Sh AUTHORS +.An Jean-loup Gailly Aq Mt jloup@gzip.org +.An Mark Adler Aq Mt madler@alumni.caltech.edu |