gcc/gansidecl.h

   1 /* ANSI and traditional C compatability macros.
   2    Copyright (C) 1996 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 #ifndef STDIO_PROTO
  50 #ifdef BUFSIZ
  51 #define STDIO_PROTO(ARGS) PROTO(ARGS)
  52 #else
  53 #define STDIO_PROTO(ARGS) ()
  54 #endif
  55 #endif
  56
  57 /* Define a generic NULL if one hasn't already been defined.  */
  58
  59 #ifndef NULL
  60 #define NULL 0
  61 #endif
  62
  63 #ifndef GENERIC_PTR
  64 #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
  65 #define GENERIC_PTR void *
  66 #else
  67 #define GENERIC_PTR char *
  68 #endif
  69 #endif
  70
  71 #ifndef NULL_PTR
  72 #define NULL_PTR ((GENERIC_PTR) 0)
  73 #endif
  74
  75 #ifdef __STDC__
  76
  77 #define PTR void *
  78
  79 #else
  80
  81 #define PTR char *
  82 #ifndef const
  83 #define const
  84 #endif
  85
  86 #endif /* ! __STDC__ */
  87
  88 #endif /* ANSIDECL_H */