128 lines
2.7 KiB
C
128 lines
2.7 KiB
C
/* ANSI and traditional C compatibility macros.
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Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC 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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GNU CC 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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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* This file mimics some of the support provided by include/ansidecl.h
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in binutils and gdb releases.
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??? Over time the two should be merged into one. */
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#ifndef ANSIDECL_H
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#define ANSIDECL_H
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/* Add prototype support. */
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#ifndef PROTO
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#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
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#define PROTO(ARGS) ARGS
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#else
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#define PROTO(ARGS) ()
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#endif
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#endif
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#ifndef VPROTO
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#ifdef __STDC__
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#define PVPROTO(ARGS) ARGS
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#define VPROTO(ARGS) ARGS
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#define VA_START(va_list,var) va_start(va_list,var)
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#else
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#define PVPROTO(ARGS) ()
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#define VPROTO(ARGS) (va_alist) va_dcl
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#define VA_START(va_list,var) va_start(va_list)
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#endif
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#endif
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/* Define a generic NULL if one hasn't already been defined. */
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef GENERIC_PTR
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#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
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#define GENERIC_PTR void *
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#else
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#define GENERIC_PTR char *
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#endif
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#endif
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#ifndef NULL_PTR
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#define NULL_PTR ((GENERIC_PTR) 0)
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#endif
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#ifdef __STDC__
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#define PTR void *
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#else
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#define PTR char *
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#ifndef const
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#define const
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#endif
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#endif /* ! __STDC__ */
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/* We don't have autoconf for libgcc2.c since it's a target, so don't
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define these functions, which aren't used there anyway. */
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#ifndef IN_LIBGCC2
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#ifndef bcopy
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# ifdef HAVE_BCOPY
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# ifdef NEED_DECLARATION_BCOPY
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void bcopy ();
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# endif
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# else
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# define bcopy(src,dst,len) memcpy ((dst),(src),(len))
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# endif
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#endif
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#ifndef bzero
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# ifdef HAVE_BZERO
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# ifdef NEED_DECLARATION_BZERO
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void bzero ();
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# endif
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# else
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# define bzero(dst,len) memset ((dst),0,(len))
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# endif
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#endif
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#ifndef bcmp
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# ifdef HAVE_BCMP
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# ifdef NEED_DECLARATION_BCMP
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int bcmp ();
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# endif
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# else
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# define bcmp(left,right,len) memcmp ((left),(right),(len))
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# endif
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#endif
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#ifndef HAVE_RINDEX
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# ifndef rindex
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# define rindex strrchr
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# endif
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#endif
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#ifndef HAVE_INDEX
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# ifndef index
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# define index strchr
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# endif
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#endif
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#endif /* IN_LIBGCC2 */
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#endif /* ANSIDECL_H */
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