/* @(#)ccomdefs.h	1.2 00/11/08 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 as published by
 * the Free Software Foundation; either version 2, 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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 */
