[gcc.git] / gcc / gansidecl.h

/* ANSI and traditional C compatibility macros.
   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC 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.

GNU CC 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 GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* This file mimics some of the support provided by include/ansidecl.h
   in binutils and gdb releases.
   ??? Over time the two should be merged into one.  */

#ifndef	ANSIDECL_H
#define	ANSIDECL_H

/* Add prototype support.  */
#ifndef PROTO
#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
#define PROTO(ARGS) ARGS
#else
#define PROTO(ARGS) ()
#endif
#endif

#ifndef VPROTO
#ifdef __STDC__
#define PVPROTO(ARGS)		ARGS
#define VPROTO(ARGS)            ARGS
#define VA_START(va_list,var)  va_start(va_list,var)
#else
#define PVPROTO(ARGS)		()
#define VPROTO(ARGS)            (va_alist) va_dcl
#define VA_START(va_list,var)  va_start(va_list)
#endif
#endif

/* Define a generic NULL if one hasn't already been defined.  */

#ifndef NULL
#define NULL 0
#endif

#ifndef GENERIC_PTR
#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
#define GENERIC_PTR void *
#else
#define GENERIC_PTR char *
#endif
#endif

#ifndef NULL_PTR
#define NULL_PTR ((GENERIC_PTR) 0)
#endif

#ifdef __STDC__

#define	PTR void *

#else

#define	PTR char *
#ifndef const
#define const
#endif

#endif /* ! __STDC__ */

/* We don't have autoconf for libgcc2.c since it's a target, so don't
   define these functions, which aren't used there anyway.  */
#ifndef IN_LIBGCC2
#ifndef bcopy
# ifdef HAVE_BCOPY
#  ifdef NEED_DECLARATION_BCOPY
void bcopy ();
#  endif
# else
#  define bcopy(src,dst,len) memcpy ((dst),(src),(len))
# endif
#endif

#ifndef bzero
# ifdef HAVE_BZERO
#  ifdef NEED_DECLARATION_BZERO
void bzero ();
#  endif
# else
#  define bzero(dst,len) memset ((dst),0,(len))
# endif
#endif

#ifndef bcmp
# ifdef HAVE_BCMP
#  ifdef NEED_DECLARATION_BCMP
int bcmp ();
#  endif
# else
#  define bcmp(left,right,len) memcmp ((left),(right),(len))
# endif
#endif

#ifndef HAVE_RINDEX
# ifndef rindex
#  define rindex strrchr
# endif
#endif

#ifndef HAVE_INDEX
# ifndef index
#  define index strchr
# endif
#endif

#endif /* IN_LIBGCC2 */

#endif /* ANSIDECL_H */
Commit	Line	Data
	1	/* ANSI and traditional C compatibility macros.
	2	Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
	3
	4	This file is part of GNU CC.
	5
	6	GNU CC is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2, or (at your option)
	9	any later version.
	10
	11	GNU CC is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GNU CC; see the file COPYING. If not, write to
	18	the Free Software Foundation, 59 Temple Place - Suite 330,
	19	Boston, MA 02111-1307, USA. */
	20
	21	/* This file mimics some of the support provided by include/ansidecl.h
	22	in binutils and gdb releases.
	23	??? Over time the two should be merged into one. */
	24
	25	#ifndef ANSIDECL_H
	26	#define ANSIDECL_H
	27
	28	/* Add prototype support. */
	29	#ifndef PROTO
	30	#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
	31	#define PROTO(ARGS) ARGS
	32	#else
	33	#define PROTO(ARGS) ()
	34	#endif
	35	#endif
	36
	37	#ifndef VPROTO
	38	#ifdef __STDC__
	39	#define PVPROTO(ARGS) ARGS
	40	#define VPROTO(ARGS) ARGS
	41	#define VA_START(va_list,var) va_start(va_list,var)
	42	#else
	43	#define PVPROTO(ARGS) ()
	44	#define VPROTO(ARGS) (va_alist) va_dcl
	45	#define VA_START(va_list,var) va_start(va_list)
	46	#endif
	47	#endif
	48
	49	/* Define a generic NULL if one hasn't already been defined. */
	50
	51	#ifndef NULL
	52	#define NULL 0
	53	#endif
	54
	55	#ifndef GENERIC_PTR
	56	#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
	57	#define GENERIC_PTR void *
	58	#else
	59	#define GENERIC_PTR char *
	60	#endif
	61	#endif
	62
	63	#ifndef NULL_PTR
	64	#define NULL_PTR ((GENERIC_PTR) 0)
	65	#endif
	66
	67	#ifdef __STDC__
	68
	69	#define PTR void *
	70
	71	#else
	72
	73	#define PTR char *
	74	#ifndef const
	75	#define const
	76	#endif
	77
	78	#endif /* ! __STDC__ */
	79
	80	/* We don't have autoconf for libgcc2.c since it's a target, so don't
	81	define these functions, which aren't used there anyway. */
	82	#ifndef IN_LIBGCC2
	83	#ifndef bcopy
	84	# ifdef HAVE_BCOPY
	85	# ifdef NEED_DECLARATION_BCOPY
	86	void bcopy ();
	87	# endif
	88	# else
	89	# define bcopy(src,dst,len) memcpy ((dst),(src),(len))
	90	# endif
	91	#endif
	92
	93	#ifndef bzero
	94	# ifdef HAVE_BZERO
	95	# ifdef NEED_DECLARATION_BZERO
	96	void bzero ();
	97	# endif
	98	# else
	99	# define bzero(dst,len) memset ((dst),0,(len))
	100	# endif
	101	#endif
	102
	103	#ifndef bcmp
	104	# ifdef HAVE_BCMP
	105	# ifdef NEED_DECLARATION_BCMP
	106	int bcmp ();
	107	# endif
	108	# else
	109	# define bcmp(left,right,len) memcmp ((left),(right),(len))
	110	# endif
	111	#endif
	112
	113	#ifndef HAVE_RINDEX
	114	# ifndef rindex
	115	# define rindex strrchr
	116	# endif
	117	#endif
	118
	119	#ifndef HAVE_INDEX
	120	# ifndef index
	121	# define index strchr
	122	# endif
	123	#endif
	124
	125	#endif /* IN_LIBGCC2 */
	126
	127	#endif /* ANSIDECL_H */