/***************************************************************************
 * FILE: stdarg.h/cstdarg (Macros for use with variable argument lists)
 *
 * =========================================================================
 *
 *                          Open Watcom Project
 *
 * Copyright (c) 2002-2014 The Open Watcom Contributors. All Rights Reserved.
 * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
 *
 *    This file is automatically generated. Do not edit directly.
 *
 * =========================================================================
 *
 * Description: This header is part of the C/C++ standard library. It
 *              contains macros for use in variable length argument
 *              lists.
 ***************************************************************************/
#ifndef _CSTDARG_INCLUDED
#define _CSTDARG_INCLUDED

#ifndef _ENABLE_AUTODEPEND
 #pragma read_only_file;
#endif

#ifndef __cplusplus
 #error This header file requires C++
#endif

#ifndef __COMDEF_H_INCLUDED
 #include <_comdef.h>
#endif

extern "C" {

#ifndef _VA_LIST_DEFINED
#define _VA_LIST_DEFINED
 #if defined(__PPC__)
  #if defined(__NT__)
   typedef char  *__va_list;
  #else
   typedef struct {
       char  __gpr;
       char  __fpr;
       char  __reserved[2];
       char  *__input_arg_area;
       char  *__reg_save_area;
   } __va_list;
  #endif
 #elif defined(__AXP__)
  typedef struct {
      char  *__base;
      int   __offset;
  } __va_list;
 #elif defined(__MIPS__)
  typedef struct {
      char  *__base;
      int   __offset;
  } __va_list;
 #elif defined(__HUGE__) || defined(__SW_ZU)
  typedef char _WCFAR *__va_list[1];
 #else
  typedef char    *__va_list[1];
 #endif
#endif

namespace std {
  typedef __va_list va_list;
}

#if defined(__AXP__)
 #define _AXP_WORD_SIZE     8
 #define _AXP_FLOAT_SIZE    8
 #define _AXP_FLOAT_REGS    6
 extern void *__builtin_va_start(__va_list*, ...);
 #pragma intrinsic(__builtin_va_start);
 #define va_start(ap,pn) (__builtin_va_start(&ap,pn,1))
 #define va_arg(ap,type) ((ap).__offset+=\
     ((sizeof(type)+_AXP_WORD_SIZE-1)&~(_AXP_WORD_SIZE-1)),\
     (*(type *)((ap).__base+(ap).__offset-\
       ((__builtin_isfloat(type)&&(ap).__offset <=\
         (_AXP_FLOAT_REGS*_AXP_FLOAT_SIZE)) ?\
           (_AXP_FLOAT_REGS*_AXP_FLOAT_SIZE)+_AXP_FLOAT_SIZE :\
             ((sizeof(type)+_AXP_WORD_SIZE-1)&~(_AXP_WORD_SIZE-1))))))
 #define va_end(ap)      ((void)0)
#elif defined(__PPC__)
 #if defined(__NT__)
  #define _INTSIZEOF(n)   ( (sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1) )
  #define       _ALIGNIT(ap,t) \
        ((((int)(ap))+(sizeof(t)<8?3:7)) & (sizeof(t)<8?~3:~7))
  #define va_start(ap,v)  ( ap = (__va_list)&v + _INTSIZEOF(v) )
  #define va_arg(ap,t)    ( *(t *)((ap = (char *) (_ALIGNIT(ap, t) + _INTSIZEOF(t))) - _INTSIZEOF(t)) )
  #define va_end(ap)      ( ap = (__va_list)0 )
 #else
  extern void *__builtin_va_start( __va_list * );
  #pragma intrinsic(__builtin_va_start);
  #define va_start(ap,pn) (__builtin_va_start(&ap,pn))
  #define va_arg(ap,type) (__builtin_va_arg(&ap,type))
 #endif
#elif defined(__MIPS__)
 #define _MIPS_WORD_SIZE     4
 extern void *__builtin_va_start(__va_list*, ...);
 #pragma intrinsic(__builtin_va_start);
 #define va_start(ap,pn) (__builtin_va_start(&ap,pn,1))
 #define va_arg(ap,type) ((ap).__offset+=\
     ((sizeof(type)+_MIPS_WORD_SIZE-1)&~(_MIPS_WORD_SIZE-1)),\
     (*(type *)((ap).__base+(ap).__offset-\
       (((sizeof(type)+_MIPS_WORD_SIZE-1)&~(_MIPS_WORD_SIZE-1))))))
 #define va_end(ap)      ((void)0)
#else
 #if defined(__HUGE__) || defined(__SW_ZU)
  #define va_start(ap,pn) ((ap)[0]=(char _WCFAR*)&pn+\
      ((sizeof(pn)+sizeof(int)-1)&~(sizeof(int)-1)),(void)0)
  #define va_arg(ap,type)     ((ap)[0]+=\
      ((sizeof(type)+sizeof(int)-1)&~(sizeof(int)-1)),\
      (*(type _WCFAR*)((ap)[0]-((sizeof(type)+sizeof(int)-1)&~(sizeof(int)-1)))))
  #define va_end(ap)        ((ap)[0]=0,(void)0)
 #else
  #define va_start(ap,pn) ((ap)[0]=(char *)&pn+\
      ((sizeof(pn)+sizeof(int)-1)&~(sizeof(int)-1)),(void)0)
  #define va_arg(ap,type)     ((ap)[0]+=\
      ((sizeof(type)+sizeof(int)-1)&~(sizeof(int)-1)),\
      (*(type *)((ap)[0]-((sizeof(type)+sizeof(int)-1)&~(sizeof(int)-1)))))
  #define va_end(ap)        ((ap)[0]=0,(void)0)
 #endif
#endif

#if defined(__PPC__) || defined(__AXP__)
 #define __va_copy(dest,src) ((dest)=(src),(void)0)
#else
 #define __va_copy(dest,src) ((dest)[0]=(src)[0],(void)0)
#endif

#if !defined(NO_EXT_KEYS) /* extensions enabled */
#define va_copy(dest,src) __va_copy(dest,src)
#endif /* extensions enabled */

} /* extern "C" */

#endif
