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diff --git a/uncompress.3 b/uncompress.3 new file mode 100644 index 0000000..04a082a --- /dev/null +++ b/uncompress.3 @@ -0,0 +1,76 @@ +.Dd November 9, 2018 +.Dt UNCOMPRESS 3 +.Os +. +.Sh NAME +.Nm uncompress , +.Nm uncompress2 +.Nd decompress source buffer into destination buffer +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +. +.Ft int +.Fo uncompress +.Fa "Bytef *dest" +.Fa "uLongf *destLen" +.Fa "const Bytef *source" +.Fa "uLong sourceLen" +.Fc +. +.Ft int +.Fo uncompress2 +.Fa "Bytef *dest" +.Fa "uLongf *destLen" +.Fa "const Bytef *source" +.Fa "uLong *sourceLen" +.Fc +. +.Sh DESCRIPTION +Decompresses 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 large enough to hold the entire uncompressed data. +(The size of the uncompressed data +must have been saved previously by the compressor +and transmitted to the decompressor +by some mechanism outside the scope of this compression library.) +Upon exit, +.Fa destLen +is the actual size of the uncompressed data. +. +.Pp +.Fn uncompress2 +is the same as +.Fn uncompress , +except that +.Fa sourceLen +is a pointer, +where the length of the source is +.Fa *sourceLen . +On return, +.Fa *sourceLen +is the number of source bytes consumed. +. +.Sh RETURN VALUES +.Fn uncompress +returns +.Dv Z_OK +if 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, +or +.Dv Z_DATA_ERROR +if the input data was corrupted or incomplete. +In the case where there is not enough room, +.Fn uncompress +will fill the output buffer +with the uncompressed data up to that point. diff --git a/uncompress2.3 b/uncompress2.3 new file mode 120000 index 0000000..163d16c --- /dev/null +++ b/uncompress2.3 @@ -0,0 +1 @@ +uncompress.3 \ No newline at end of file |