Varargs.h

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/* @(#)root/base:$Id$ */
 
/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef ROOT_Varargs
#define ROOT_Varargs
 
#if defined(sparc) && defined(__CC_ATT301__)
 
   extern "C" __builtin_va_arg_incr(...);
   typedef char *va_list;
#   define va_end(ap)
#   define va_start(ap, parmN) ap= (char*)(&parmN+1)
#   define va_arg(ap, mode) ((mode*) __builtin_va_arg_incr((mode*)ap))[0]
#   define va_(arg) __builtin_va_alist
 
#   include <stdio.h>
 
   extern "C" {
      int vfprintf(FILE*, const char *fmt, va_list ap);
      char *vsprintf(char*, const char *fmt, va_list ap);
   };
 
#else
#   include <stdarg.h>
#   if defined(sparc) && !defined(__GNUG__) && !defined(__CC_SUN21__) && !defined(__SVR4)
#      define va_(arg) __builtin_va_alist
#   else
#      define va_(arg) arg
#   endif
 
#endif
 
#if !defined(R__VA_COPY)
#  if defined(va_copy)
#     define R__VA_COPY(to, from) va_copy((to), (from))
#  elif defined(__va_copy)
#     define R__VA_COPY(to, from) __va_copy((to), (from))
#  elif defined(_WIN32) && _MSC_VER < 1310
#     define R__VA_COPY(to, from) (*(to) = *(from))
#  else
#     define R__VA_COPY(to, from) ((to) = (from))
#  endif
#endif
 
#endif