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| -rw-r--r-- | gzfwrite.3 | 75 |
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diff --git a/gzfwrite.3 b/gzfwrite.3 new file mode 100644 index 00000000..6835db3a --- /dev/null +++ b/gzfwrite.3 @@ -0,0 +1,75 @@ +.Dd January 15, 2017 +.Dt GZFWRITE 3 +.Os +. +.Sh NAME +.Nm gzfwrite +.Nd write to compressed file +. +.Sh LIBRARY +.Lb libz +. +.Sh SYNOPSIS +.In zlib.h +.Ft z_size_t +.Fn gzfwrite "voidpc buf" "z_size_t size" "z_size_t nitems" "gzFile file" +. +.Sh DESCRIPTION +.Fn gzfwrite +writes +.Fa nitems +items of size +.Fa size +from +.Fa buf +to +.Fa file , +duplicating the interface of stdio's +.Xr fwrite 3 , +with +.Vt size_t +request and return types. +If the library defines +.Vt size_t , +then +.Vt z_size_t +is identical to +.Vt size_t . +If not, +then +.Vt z_size_t +is an unsigned integer type +that can contain a pointer. +. +.Sh RETURN VALUES +.Fn gzfwrite +returns the number of full items +written of size +.Fa size , +or zero if there was an error. +If the multiplication of +.Fa size +and +.Fa nitems +overflows, +i.e. the product does not fit in a +.Vt z_size_t , +then nothing is written, +zero is returned, +and the error state is set to +.Dv Z_STREAM_ERROR . +. +.Sh SEE ALSO +.Xr gzerror 3 , +.Xr gzopen 3 , +.Xr gzwrite 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 |