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diff --git a/compress.3 b/compress.3 new file mode 100644 index 0000000..22b229e --- /dev/null +++ b/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 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 |