/* @(#)ccomdefs.h	1.3 03/06/15 Copyright 2000 J. Schilling */
/*
 *	Various compiler dependant macros.
 *
 *	Copyright (c) 2000 J. Schilling
 */
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * 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; see the file COPYING.  If not, write to the Free Software
 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef _CCOMDEFS_H
#define	_CCOMDEFS_H

#ifdef	__cplusplus
extern "C" {
#endif

/*
 * Compiler-dependent macros to declare that functions take printf-like
 * or scanf-like arguments. They are defined to nothing for versions of gcc
 * that are not known to support the features properly (old versions of gcc-2
 * didn't permit keeping the keywords out of the application namespace).
 */
#if __GNUC__ < 2 || __GNUC__ == 2 && __GNUC_MINOR__ < 7

#define	__printflike__(fmtarg, firstvararg)
#define	__printf0like__(fmtarg, firstvararg)
#define	__scanflike__(fmtarg, firstvararg)

#else /* We found GCC that supports __attribute__ */

#define	__printflike__(fmtarg, firstvararg) \
		__attribute__((__format__(__printf__, fmtarg, firstvararg)))
#define	__printf0like__(fmtarg, firstvararg) \
		__attribute__((__format__(__printf0__, fmtarg, firstvararg)))

/*
 * FreeBSD GCC implements printf0 that allows the format string to
 * be a NULL pointer.
 */
#if	__FreeBSD_cc_version < 300001
#undef	__printf0like__
#define	__printf0like__	__printflike__
#endif

#define	__scanflike__(fmtarg, firstvararg) \
		__attribute__((__format__(__scanf__, fmtarg, firstvararg)))

#endif /* GNUC */

#ifdef	__cplusplus
}
#endif

#endif	/* _CCOMDEFS_H */
