stdarggnu.h

IXP425的BSP代码

/* stdargGnu.h - Ansi C standard arguments header file */

/*
modification history
--------------------
01b,03mar98,jmb  clean-up
01a,27feb98,jmb  A simplified version of stdarg.h from Cygwin32, Beta 18.
*/

/*
DESCRIPTION
This file contains macros and typedefs for varargs.  
Note:  This file should not be included directly!  The correct file
to include is <stdarg.h>. 

This file was derived from the cygwin32-b18 version of gcc/ginclude/stdarg.h.
*/

#ifndef __INCstdargh
Bug!! Please use #include <stdarg.h>
#endif


#ifndef	__INCstdargGnuh
#define	__INCstdargGnuh

#ifdef	__cplusplus
extern "C" {
#endif

/* stdarg.h for GNU.
   Note that the type used in va_arg is supposed to match the
   actual type **after default promotions**.
   Thus, va_arg (..., short) is not valid.  */

#ifndef _STDARG_H
#ifndef _ANSI_STDARG_H_
#ifndef __need___va_list
#define _STDARG_H
#define _ANSI_STDARG_H_
#endif /* not __need___va_list */
#undef __need___va_list


/* Define __gnuc_va_list.  */

#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
typedef void *__gnuc_va_list;
#endif

/* Define the standard macros for the user,
   if this invocation was from the user program.  */
#ifdef _STDARG_H

/* Amount of space required in an argument list for an arg of type TYPE.
   TYPE may alternatively be an expression whose type is used.  */

#define __va_rounded_size(TYPE)  \
  (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))

#define va_start(AP, LASTARG) 						\
 (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))

#undef va_end
void va_end (__gnuc_va_list);		/* Defined in libgcc.a */
#define va_end(AP)	((void)0)

/* We cast to void * and then to TYPE * because this avoids
   a warning about increasing the alignment requirement.  */
/* CYGNUS LOCAL mn10200/law */
/* END CYGNUS LOCAL */
/* This is for little-endian machines; small args are padded upward.  */
#define va_arg(AP, TYPE)						\
 (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)),	\
  *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))

/* Copy __gnuc_va_list into another variable of this type.  */
#define __va_copy(dest, src) (dest) = (src)

#endif /* _STDARG_H */

#ifdef _STDARG_H
/* Define va_list, if desired, from __gnuc_va_list. */
/* We deliberately do not define va_list when called from
   stdio.h, because ANSI C says that stdio.h is not supposed to define
   va_list.  stdio.h needs to have access to that data type, 
   but must not use that name.  It should use the name __gnuc_va_list,
   which is safe because it is reserved for the implementation.  */

#ifdef _HIDDEN_VA_LIST  /* On OSF1, this means varargs.h is "half-loaded".  */
#undef _VA_LIST
#endif

#ifdef _BSD_VA_LIST
#undef _BSD_VA_LIST
#endif


/* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
   But on BSD NET2 we must not test or define or undef it.
   (Note that the comments in NET 2's ansi.h
   are incorrect for _VA_LIST_--see stdio.h!)  */
#if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
/* The macro _VA_LIST_DEFINED is used in Windows NT 3.5  */
#ifndef _VA_LIST_DEFINED
/* The macro _VA_LIST is used in SCO Unix 3.2.  */
#ifndef _VA_LIST
/* The macro _VA_LIST_T_H is used in the Bull dpx2  */
#ifndef _VA_LIST_T_H
typedef __gnuc_va_list va_list;
#endif /* not _VA_LIST_T_H */
#endif /* not _VA_LIST */
#endif /* not _VA_LIST_DEFINED */
#if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
#define _VA_LIST_
#endif
#ifndef _VA_LIST
#define _VA_LIST
#endif
#ifndef _VA_LIST_DEFINED
#define _VA_LIST_DEFINED
#endif
#ifndef _VA_LIST_T_H
#define _VA_LIST_T_H
#endif

#endif /* not _VA_LIST_, except on certain systems */


#endif /* _STDARG_H */

#endif /* not _ANSI_STDARG_H_ */
#endif /* not _STDARG_H */

#ifdef	__cplusplus
}
#endif

#endif	/* __INCstdargGnuh */