68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/* @(#)ccomdefs.h 1.3 03/06/15 Copyright 2000 J. Schilling */
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/*
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* Various compiler dependant macros.
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*
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* Copyright (c) 2000 J. Schilling
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; see the file COPYING. If not, write to the Free Software
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* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _CCOMDEFS_H
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#define _CCOMDEFS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Compiler-dependent macros to declare that functions take printf-like
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* or scanf-like arguments. They are defined to nothing for versions of gcc
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* that are not known to support the features properly (old versions of gcc-2
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* didn't permit keeping the keywords out of the application namespace).
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*/
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#if __GNUC__ < 2 || __GNUC__ == 2 && __GNUC_MINOR__ < 7
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#define __printflike__(fmtarg, firstvararg)
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#define __printf0like__(fmtarg, firstvararg)
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#define __scanflike__(fmtarg, firstvararg)
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#else /* We found GCC that supports __attribute__ */
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#define __printflike__(fmtarg, firstvararg) \
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__attribute__((__format__(__printf__, fmtarg, firstvararg)))
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#define __printf0like__(fmtarg, firstvararg) \
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__attribute__((__format__(__printf0__, fmtarg, firstvararg)))
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/*
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* FreeBSD GCC implements printf0 that allows the format string to
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* be a NULL pointer.
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*/
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#if __FreeBSD_cc_version < 300001
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#undef __printf0like__
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#define __printf0like__ __printflike__
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#endif
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#define __scanflike__(fmtarg, firstvararg) \
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__attribute__((__format__(__scanf__, fmtarg, firstvararg)))
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#endif /* GNUC */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _CCOMDEFS_H */
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