206 lines
5.4 KiB
C
206 lines
5.4 KiB
C
/* Record that this is varargs.h; this turns off stdarg.h. */
|
|
|
|
#ifndef _VARARGS_H
|
|
#define _VARARGS_H
|
|
|
|
#ifdef __sparc__
|
|
#include <va-sparc.h>
|
|
#else
|
|
#ifdef __spur__
|
|
#include <va-spur.h>
|
|
#else
|
|
#ifdef __mips__
|
|
#include <va-mips.h>
|
|
#else
|
|
#ifdef __i860__
|
|
#include <va-i860.h>
|
|
#else
|
|
#ifdef __pyr__
|
|
#include <va-pyr.h>
|
|
#else
|
|
#ifdef __clipper__
|
|
#include <va-clipper.h>
|
|
#else
|
|
#ifdef __m88k__
|
|
#include <va-m88k.h>
|
|
#else
|
|
#if defined(__hppa__) || defined(hp800)
|
|
#include <va-pa.h>
|
|
#else
|
|
#ifdef __i960__
|
|
#include <va-i960.h>
|
|
#else
|
|
#ifdef __alpha__
|
|
#include <va-alpha.h>
|
|
#else
|
|
#if defined (__H8300__) || defined (__H8300H__)
|
|
#include <va-h8300.h>
|
|
#else
|
|
#if defined (__PPC__) && defined (_CALL_SYSV)
|
|
#include <va-ppc.h>
|
|
#else
|
|
|
|
#ifdef __NeXT__
|
|
|
|
/* On Next, erase any vestiges of stdarg.h. */
|
|
|
|
#ifdef _ANSI_STDARG_H_
|
|
#define _VA_LIST_
|
|
#endif
|
|
#define _ANSI_STDARG_H_
|
|
|
|
#undef va_alist
|
|
#undef va_dcl
|
|
#undef va_list
|
|
#undef va_start
|
|
#undef va_end
|
|
#undef __va_rounded_size
|
|
#undef va_arg
|
|
#endif /* __NeXT__ */
|
|
|
|
/* In GCC version 2, we want an ellipsis at the end of the declaration
|
|
of the argument list. GCC version 1 can't parse it. */
|
|
|
|
#if __GNUC__ > 1
|
|
#define __va_ellipsis ...
|
|
#else
|
|
#define __va_ellipsis
|
|
#endif
|
|
|
|
/* These macros implement traditional (non-ANSI) varargs
|
|
for GNU C. */
|
|
|
|
#define va_alist __builtin_va_alist
|
|
/* The ... causes current_function_varargs to be set in cc1. */
|
|
#define va_dcl int __builtin_va_alist; __va_ellipsis
|
|
|
|
/* Define __gnuc_va_list, just as in gstdarg.h. */
|
|
|
|
#ifndef __GNUC_VA_LIST
|
|
#define __GNUC_VA_LIST
|
|
#if defined (__FreeBSD__)
|
|
/* This is the correct way to handle all BSD NET2 and BSD 4.4 systems. */
|
|
#include <machine/ansi.h>
|
|
#ifdef _BSD_VA_LIST_
|
|
typedef _BSD_VA_LIST_ __gnuc_va_list;
|
|
#else
|
|
typedef _VA_LIST_ __gnuc_va_list;
|
|
#endif
|
|
#else
|
|
#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX)
|
|
typedef char *__gnuc_va_list;
|
|
#else
|
|
typedef void *__gnuc_va_list;
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
#define va_start(AP) AP=(char *) &__builtin_va_alist
|
|
|
|
#define va_end(AP) ((void)0)
|
|
|
|
#if defined(sysV68)
|
|
#define __va_rounded_size(TYPE) \
|
|
(((sizeof (TYPE) + sizeof (short) - 1) / sizeof (short)) * sizeof (short))
|
|
#else
|
|
#define __va_rounded_size(TYPE) \
|
|
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
|
|
#endif
|
|
|
|
#if defined (__arm__) || defined (__i386__) || defined (__i860__) || defined (__ns32000__) || defined (__vax__)
|
|
/* 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))))
|
|
#else /* big-endian */
|
|
/* This is for big-endian machines; small args are padded downward. */
|
|
#define va_arg(AP, TYPE) \
|
|
(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
|
|
*((TYPE *) (void *) ((char *) (AP) \
|
|
- ((sizeof (TYPE) < __va_rounded_size (char) \
|
|
? sizeof (TYPE) : __va_rounded_size (TYPE))))))
|
|
#endif /* big-endian */
|
|
|
|
#endif /* not powerpc with V.4 calling sequence */
|
|
#endif /* not h8300 */
|
|
#endif /* not alpha */
|
|
#endif /* not i960 */
|
|
#endif /* not hppa */
|
|
#endif /* not m88k */
|
|
#endif /* not clipper */
|
|
#endif /* not pyr */
|
|
#endif /* not i860 */
|
|
#endif /* not mips */
|
|
#endif /* not spur */
|
|
#endif /* not sparc */
|
|
#endif /* not _VARARGS_H */
|
|
|
|
/* Define va_list from __gnuc_va_list. */
|
|
|
|
#ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
|
|
#undef _VA_LIST
|
|
#endif
|
|
|
|
#ifdef __svr4__
|
|
/* SVR4.2 uses _VA_LIST for an internal alias for va_list,
|
|
so we must avoid testing it and setting it here.
|
|
SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
|
|
have no conflict with that. */
|
|
#ifndef _VA_LIST_
|
|
#define _VA_LIST_
|
|
#ifdef __i860__
|
|
#ifndef _VA_LIST
|
|
#define _VA_LIST va_list
|
|
#endif
|
|
#endif /* __i860__ */
|
|
typedef __gnuc_va_list va_list;
|
|
#endif /* _VA_LIST_ */
|
|
|
|
#else /* not __svr4__ */
|
|
|
|
/* 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!) */
|
|
/* Michael Eriksson <mer@sics.se> at Thu Sep 30 11:00:57 1993:
|
|
Sequent defines _VA_LIST_ in <machine/machtypes.h> to be the type to
|
|
use for va_list (``typedef _VA_LIST_ va_list'') */
|
|
#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 /* not __svr4__ */
|
|
|
|
/* The next BSD release (if there is one) wants this symbol to be
|
|
undefined instead of _VA_LIST_. */
|
|
#if 0
|
|
/* BSD 4.4 actually spells the name _BSD_VA_LIST_ and requires it to be
|
|
* defined and usable in place of va_list when the latter name is not
|
|
* allowed (e.g., in stdio.h - see ginclude/stdarg.h). */
|
|
#ifdef _BSD_VA_LIST
|
|
#undef _BSD_VA_LIST
|
|
#endif
|
|
#endif
|