206 lines
5.7 KiB
C
206 lines
5.7 KiB
C
/* stdarg.h for GNU.
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Note that the type used in va_arg is supposed to match the
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actual type **after default promotions**.
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Thus, va_arg (..., short) is not valid. */
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#ifndef _STDARG_H
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#ifndef _ANSI_STDARG_H_
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#ifndef __need___va_list
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#define _STDARG_H
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#define _ANSI_STDARG_H_
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#endif /* not __need___va_list */
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#undef __need___va_list
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#ifdef __clipper__
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#include "va-clipper.h"
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#else
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#ifdef __m88k__
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#include "va-m88k.h"
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#else
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#ifdef __i860__
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#include "va-i860.h"
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#else
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#ifdef __hppa__
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#include "va-pa.h"
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#else
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#ifdef __mips__
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#include "va-mips.h"
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#else
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#ifdef __sparc__
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#include "va-sparc.h"
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#else
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#ifdef __i960__
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#include "va-i960.h"
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#else
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#ifdef __alpha__
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#include "va-alpha.h"
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#else
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#if defined (__H8300__) || defined (__H8300H__) || defined (__H8300S__)
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#include "va-h8300.h"
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#else
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#if defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
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#include "va-ppc.h"
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#else
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#ifdef __arc__
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#include "va-arc.h"
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#else
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#ifdef __M32R__
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#include "va-m32r.h"
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#else
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#ifdef __sh__
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#include "va-sh.h"
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#else
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#ifdef __mn10300__
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#include "va-mn10300.h"
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#else
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#ifdef __mn10200__
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#include "va-mn10200.h"
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#else
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#ifdef __v850__
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#include "va-v850.h"
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#else
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/* Define __gnuc_va_list. */
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#ifndef __GNUC_VA_LIST
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#define __GNUC_VA_LIST
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#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) || defined(__NetBSD__)
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typedef char *__gnuc_va_list;
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#else
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typedef void *__gnuc_va_list;
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#endif
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#endif
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/* Define the standard macros for the user,
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if this invocation was from the user program. */
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#ifdef _STDARG_H
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/* Amount of space required in an argument list for an arg of type TYPE.
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TYPE may alternatively be an expression whose type is used. */
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#if defined(sysV68)
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (short) - 1) / sizeof (short)) * sizeof (short))
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#else
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
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#endif
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#define va_start(AP, LASTARG) \
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(AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
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#undef va_end
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void va_end (__gnuc_va_list); /* Defined in libgcc.a */
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#define va_end(AP) ((void)0)
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/* We cast to void * and then to TYPE * because this avoids
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a warning about increasing the alignment requirement. */
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#if (defined (__arm__) && ! defined (__ARMEB__)) || defined (__i386__) || defined (__i860__) || defined (__ns32000__) || defined (__vax__)
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/* This is for little-endian machines; small args are padded upward. */
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#define va_arg(AP, TYPE) \
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(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
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*((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))
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#else /* big-endian */
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/* This is for big-endian machines; small args are padded downward. */
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#define va_arg(AP, TYPE) \
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(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
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*((TYPE *) (void *) ((char *) (AP) \
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- ((sizeof (TYPE) < __va_rounded_size (char) \
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? sizeof (TYPE) : __va_rounded_size (TYPE))))))
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#endif /* big-endian */
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/* Copy __gnuc_va_list into another variable of this type. */
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#define __va_copy(dest, src) (dest) = (src)
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#endif /* _STDARG_H */
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#endif /* not v850 */
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#endif /* not mn10200 */
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#endif /* not mn10300 */
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#endif /* not sh */
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#endif /* not m32r */
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#endif /* not arc */
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#endif /* not powerpc with V.4 calling sequence */
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#endif /* not h8300 */
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#endif /* not alpha */
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#endif /* not i960 */
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#endif /* not sparc */
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#endif /* not mips */
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#endif /* not hppa */
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#endif /* not i860 */
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#endif /* not m88k */
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#endif /* not clipper */
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#ifdef _STDARG_H
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/* Define va_list, if desired, from __gnuc_va_list. */
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/* We deliberately do not define va_list when called from
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stdio.h, because ANSI C says that stdio.h is not supposed to define
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va_list. stdio.h needs to have access to that data type,
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but must not use that name. It should use the name __gnuc_va_list,
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which is safe because it is reserved for the implementation. */
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#ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
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#undef _VA_LIST
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#endif
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#ifdef _BSD_VA_LIST
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#undef _BSD_VA_LIST
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#endif
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#if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
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/* SVR4.2 uses _VA_LIST for an internal alias for va_list,
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so we must avoid testing it and setting it here.
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SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
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have no conflict with that. */
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#ifndef _VA_LIST_
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#define _VA_LIST_
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#ifdef __i860__
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#ifndef _VA_LIST
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#define _VA_LIST va_list
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#endif
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#endif /* __i860__ */
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typedef __gnuc_va_list va_list;
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#ifdef _SCO_DS
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#define __VA_LIST
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#endif
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#endif /* _VA_LIST_ */
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#else /* not __svr4__ || _SCO_DS */
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/* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
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But on BSD NET2 we must not test or define or undef it.
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(Note that the comments in NET 2's ansi.h
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are incorrect for _VA_LIST_--see stdio.h!) */
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#if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
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/* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */
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#ifndef _VA_LIST_DEFINED
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/* The macro _VA_LIST is used in SCO Unix 3.2. */
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#ifndef _VA_LIST
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/* The macro _VA_LIST_T_H is used in the Bull dpx2 */
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#ifndef _VA_LIST_T_H
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typedef __gnuc_va_list va_list;
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#endif /* not _VA_LIST_T_H */
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#endif /* not _VA_LIST */
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#endif /* not _VA_LIST_DEFINED */
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#if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
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#define _VA_LIST_
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#endif
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#ifndef _VA_LIST
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#define _VA_LIST
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#endif
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#ifndef _VA_LIST_DEFINED
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#define _VA_LIST_DEFINED
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#endif
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#ifndef _VA_LIST_T_H
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#define _VA_LIST_T_H
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#endif
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#endif /* not _VA_LIST_, except on certain systems */
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#endif /* not __svr4__ */
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#endif /* _STDARG_H */
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#endif /* not _ANSI_STDARG_H_ */
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#endif /* not _STDARG_H */
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