src/third-party/zlib/gzclose.c (view raw)
1/* gzclose.c -- zlib gzclose() function
2 * Copyright (C) 2004, 2010 Mark Adler
3 * For conditions of distribution and use, see copyright notice in zlib.h
4 */
5
6#include "gzguts.h"
7
8/* gzclose() is in a separate file so that it is linked in only if it is used.
9 That way the other gzclose functions can be used instead to avoid linking in
10 unneeded compression or decompression routines. */
11int ZEXPORT gzclose(file)
12 gzFile file;
13{
14#ifndef NO_GZCOMPRESS
15 gz_statep state;
16
17 if (file == NULL)
18 return Z_STREAM_ERROR;
19 state = (gz_statep)file;
20
21 return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file);
22#else
23 return gzclose_r(file);
24#endif
25}