gcc/gansidecl.h

   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 ANSI_PROTOTYPES
  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
  83 #ifndef IN_LIBGCC2
  84
  85 #ifndef HAVE_BCOPY
  86 #define bcopy(src,dst,len) memcpy ((dst),(src),(len))
  87 #endif
  88
  89 #ifndef HAVE_BZERO
  90 #define bzero(dst,len) memset ((dst),0,(len))
  91 #endif
  92
  93 #ifndef HAVE_BCMP
  94 #define bcmp(left,right,len) memcmp ((left),(right),(len))
  95 #endif
  96
  97 #ifndef HAVE_RINDEX
  98 #define rindex strrchr
  99 #endif
 100
 101 #ifndef HAVE_INDEX
 102 #define index strchr
 103 #endif
 104
 105 #endif /* IN_LIBGCC2 */
 106
 107 #endif /* ANSIDECL_H */