1 /* ANSI and traditional C compatibility macros.
2 Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
4 This file is part of GNU CC.
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)
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.
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. */
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. */
28 /* Add prototype support. */
30 #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
31 #define PROTO(ARGS) ARGS
33 #define PROTO(ARGS) ()
39 #define PVPROTO(ARGS) ARGS
40 #define VPROTO(ARGS) ARGS
41 #define VA_START(va_list,var) va_start(va_list,var)
43 #define PVPROTO(ARGS) ()
44 #define VPROTO(ARGS) (va_alist) va_dcl
45 #define VA_START(va_list,var) va_start(va_list)
49 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
50 # define __attribute__(x)
53 #ifndef ATTRIBUTE_UNUSED
54 #define ATTRIBUTE_UNUSED __attribute__ ((unused))
55 #endif /* ATTRIBUTE_UNUSED */
57 #ifndef ATTRIBUTE_PRINTF
58 #define ATTRIBUTE_PRINTF(m, n) __attribute__ ((format (__printf__, m, n)))
59 #define ATTRIBUTE_PRINTF_1 ATTRIBUTE_PRINTF(1, 2)
60 #define ATTRIBUTE_PRINTF_2 ATTRIBUTE_PRINTF(2, 3)
61 #define ATTRIBUTE_PRINTF_3 ATTRIBUTE_PRINTF(3, 4)
62 #endif /* ATTRIBUTE_PRINTF */
64 /* Define a generic NULL if one hasn't already been defined. */
71 #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
72 #define GENERIC_PTR void *
74 #define GENERIC_PTR char *
79 #define NULL_PTR ((GENERIC_PTR) 0)
93 #endif /* ! __STDC__ */
95 /* We don't have autoconf for libgcc2.c since it's a target, so don't
96 define these functions, which aren't used there anyway. */
100 # ifdef NEED_DECLARATION_BCOPY
104 # define bcopy(src,dst,len) memcpy ((dst),(src),(len))
110 # ifdef NEED_DECLARATION_BZERO
114 # define bzero(dst,len) memset ((dst),0,(len))
120 # ifdef NEED_DECLARATION_BCMP
124 # define bcmp(left,right,len) memcmp ((left),(right),(len))
130 # define rindex strrchr
136 # define index strchr
140 #endif /* IN_LIBGCC2 */
142 #endif /* ANSIDECL_H */