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flightgear/Include/fg_zlib.h
1999-04-06 23:37:07 +00:00

82 lines
2.3 KiB
C

/**************************************************************************
* fg_zlib.h -- a zlib wrapper to replace zlib calls with normal uncompressed
* calls for systems that have problems building zlib.
*
* Written by Curtis Olson, started April 1998.
*
* Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
**************************************************************************/
#ifndef _FG_ZLIB_H
#define _FG_ZLIB_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef AVOID_USING_ZLIB
#include <stdio.h>
#define fgFile FILE *
/* fgFile fgopen(char *filename, const char *flags) */
#define fgopen(P, F) (fopen((P), (F)))
/* int fgseek(fgFile *file, long offset, int whence) */
#define fgseek(F, O, W) (fseek((F), (O), (W)))
/* fgread(fgFile file, void *buf, int size); */
#define fgread(F, B, S) (fread((B), (S), 1, (F)))
/* int fggets(fgFile fd, char *buffer, int len) */
#define fggets(F, B, L) (fgets((B), (L), (F)))
/* int fgclose(fgFile fd) */
#define fgclose(F) (fclose((F)))
#else
#include <zlib/zlib.h>
#define fgFile gzFile
/* fgFile fgopen(char *filename, const char *flags) */
#define fgopen(P, F) (gzopen((P), (F)))
/* int fgseek(fgFile *file, long offset, int whence) */
#define fgseek(F, O, W) (gzseek((F), (O), (W)))
/* fgread(fgFile file, void *buf, int size); */
#define fgread(F, B, S) (gzread((F), (B), (S)))
/* int fggets(fgFile fd, char *buffer, int len) */
#define fggets(F, B, L) (gzgets((F), (B), (L)))
/* int fgclose(fgFile fd) */
#define fgclose(F) (gzclose((F)))
#endif /* #ifdef AVOID_USING_ZLIB #else #endif */
#endif /* _FG_ZLIB_H */