Visualization Library 2.0.0-b5

A lightweight C++ OpenGL middleware for 2D/3D graphics

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gzclose.c
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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. */
11 int 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 }
#define Z_STREAM_ERROR
Definition: zlib.h:136
#define NULL
Definition: ftobjs.h:61
#define GZ_READ
Definition: gzguts.h:151
int ZEXPORT gzclose(gzFile file)
Definition: gzclose.c:11
#define ZEXPORT(x)
Definition: zconf.h:202
int ZEXPORT gzclose_r(gzFile file)
Definition: gzread.c:567
int ZEXPORT gzclose_w(gzFile file)
Definition: gzwrite.c:539
gz_state FAR * gz_statep
Definition: gzguts.h:193