1 /*
 2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 3  *
 4  * This code is free software; you can redistribute it and/or modify it
 5  * under the terms of the GNU General Public License version 2 only, as
 6  * published by the Free Software Foundation.  Oracle designates this
 7  * particular file as subject to the "Classpath" exception as provided
 8  * by Oracle in the LICENSE file that accompanied this code.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  */
24 
25 /* gzclose.c -- zlib gzclose() function
26  * Copyright (C) 2004, 2010 Mark Adler
27  * For conditions of distribution and use, see copyright notice in zlib.h
28  */
29 
30 #include "gzguts.h"
31 
32 /* gzclose() is in a separate file so that it is linked in only if it is used.
33    That way the other gzclose functions can be used instead to avoid linking in
34    unneeded compression or decompression routines. */
35 int ZEXPORT gzclose(gzFile file) {
36 #ifndef NO_GZCOMPRESS
37     gz_statep state;
38 
39     if (file == NULL)
40         return Z_STREAM_ERROR;
41     state = (gz_statep)file;
42 
43     return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file);
44 #else
45     return gzclose_r(file);
46 #endif
47 }