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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 | fe5829caffb9fb44a142f8ca9b0213304b0df84a (patch) | |
tree | 1dd744f2648ba894dff816afe48ab4157beafc80 /doc/zlib/compress.3 | |
parent | Add "this commit" option to switch form (diff) | |
parent | Replace Makefile with portable one (diff) | |
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Add 'doc/zlib/' from commit 'e1ebbcf0ed43f21dd504f1f109e5d12b6bc99460'
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diff --git a/doc/zlib/compress.3 b/doc/zlib/compress.3 new file mode 100644 index 00000000..16445e2f --- /dev/null +++ b/doc/zlib/compress.3 @@ -0,0 +1,84 @@ +.Dd January 15, 2017 +.Dt COMPRESS 3 +.Os +. +.Sh NAME +.Nm compress , +.Nm compress2 +.Nd compress source buffer into destination buffer +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +. +.Ft int +.Fo compress +.Fa "Bytef *dest" +.Fa "uLongf *destLen" +.Fa "const Bytef *source" +.Fa "uLong sourceLen" +.Fc +. +.Ft int +.Fo compress2 +.Fa "Bytef *dest" +.Fa "uLongf *destLen" +.Fa "const Bytef *source" +.Fa "uLong sourceLen" +.Fa "int level" +.Fc +. +.Sh DESCRIPTION +Compresses the source buffer into the destination buffer. +.Fa sourceLen +is the byte length of the source buffer. +Upon entry, +.Fa destLen +is the total size of the destination buffer, +which must be at least the value returned by +.Fn compressBound sourceLen . +Upon exit, +.Fa destLen +is the actual size of the compressed data. +. +.Pp +.Fn compress +is equivalent to +.Fn compress2 +with a +.Fa level +parameter of +.Dv Z_DEFAULT_COMPRESSION . +. +.Sh RETURN VALUES +.Fn compress +and +.Fn compress2 +return +.Dv Z_OK +on success, +.Dv Z_MEM_ERROR +if there was not enough memory, +.Dv Z_BUF_ERROR +if there was not enough room in the output buffer, +.Dv Z_STREAM_ERROR +if the +.Fa level +parameter is invalid. +. +.Sh SEE ALSO +.Xr compressBound 3 , +.Xr deflateInit 3 , +.Xr uncompress 3 +. +.Sh HISTORY +This manual page was converted from +.In zlib.h +to mdoc format by +.An June 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 |