2018-10-10 Richard Biener <rguenther@suse.de>
[official-gcc.git] / zlib / gzclose.c
blobcaeb99a3177f477d622870255a00ac2b72f10cad
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 */
6 #include "gzguts.h"
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. */
11 int ZEXPORT gzclose(file)
12 gzFile file;
14 #ifndef NO_GZCOMPRESS
15 gz_statep state;
17 if (file == NULL)
18 return Z_STREAM_ERROR;
19 state = (gz_statep)file;
21 return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file);
22 #else
23 return gzclose_r(file);
24 #endif