Revision control

++ /* gzclose.c -- zlib gzclose() function
++ * Copyright (C) 2004, 2010 Mark Adler
++ * For conditions of distribution and use, see copyright notice in zlib.h
++ */
++
++ #include "gzguts.h"
++
++ /* gzclose() is in a separate file so that it is linked in only if it is used.
++ That way the other gzclose functions can be used instead to avoid linking in
++ unneeded compression or decompression routines. */
++ int ZEXPORT gzclose(gzFile file) {
++ #ifndef NO_GZCOMPRESS
++ gz_statep state;
++
++ if (file == NULL)
++ return Z_STREAM_ERROR;
++ state = (gz_statep)file;
++
++ return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file);
++ #else
++ return gzclose_r(file);
++ #endif
++ }