reactos/sdk/tools/mkisofs/schilytools/include/schily/ccomdefs.h

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/* @(#)ccomdefs.h 1.12 11/07/21 Copyright 2000-2011 J. Schilling */
/*
* Various compiler dependant macros.
*
* Copyright (c) 2000-2011 J. Schilling
*/
/*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* See the file CDDL.Schily.txt in this distribution for details.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file CDDL.Schily.txt from this distribution.
*/
#ifndef _SCHILY_CCOMDEFS_H
#define _SCHILY_CCOMDEFS_H
#ifndef _SCHILY_MCONFIG_H
#include <schily/mconfig.h>
#endif
#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) || \
defined(NO_PRINTFLIKE)
#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 */
#if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 2
/* GCC-3.3 or more */
/* CSTYLED */
#define UConst __attribute__ ((__used__)) const
#else /* less than GNUC 3.3 */
#define UConst const
#endif /* less than GNUC 3.3 */
#ifdef __PCC__
/*
* Hack until pcc supports __attribute__ ((__used__))
*/
#ifdef UConst
#undef UConst
#define UConst const
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SCHILY_CCOMDEFS_H */