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- /* 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
-
- #ifndef __GNUC__
- /* Use the system's macros with the system's compiler.
- This is relevant only when building GCC with some other compiler. */
- #include <stdarg.h>
- #else
- #ifdef __m88k__
- #include <va-m88k.h>
- #else
- #ifdef __i860__
- #include <va-i860.h>
- #else
- #ifdef __hppa__
- #include <va-pa.h>
- #else
- #ifdef __mips__
- #include <va-mips.h>
- #else
- #ifdef __sparc__
- #include <va-sparc.h>
- #else
- #ifdef __i960__
- #include <va-i960.h>
- #else
- #ifdef __alpha__
- #include <va-alpha.h>
- #else
-
- /* Define __gnuc_va_list. */
-
- #ifndef __GNUC_VA_LIST
- #define __GNUC_VA_LIST
- #if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX)
- typedef char *__gnuc_va_list;
- #else
- typedef void *__gnuc_va_list;
- #endif
- #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 ()))
-
- #undef va_end
- void va_end (__gnuc_va_list); /* Defined in libgcc.a */
- #define va_end(AP)
-
- /* We cast to void * and then to TYPE * because this avoids
- a warning about increasing the alignment requirement. */
-
- #if defined (__arm__) || defined (__i386__) || 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) < 4 \
- ? sizeof (TYPE) \
- : __va_rounded_size (TYPE))))))
- #endif /* big-endian */
- #endif /* _STDARG_H */
-
- #endif /* not alpha */
- #endif /* not i960 */
- #endif /* not sparc */
- #endif /* not mips */
- #endif /* not hppa */
- #endif /* not i860 */
- #endif /* not m88k */
-
- #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
-
- #ifdef __SVR4_2__
- /* SVR4.2 uses _VA_LIST for an internal alias for va_list,
- so we must avoid testing it and setting it here. */
- #ifndef _VA_LIST_
- #define _VA_LIST_
- typedef __gnuc_va_list va_list;
- #endif /* _VA_LIST_ */
- #else /* not __SVR4_2__ */
-
- /* 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____)
- /* The macro _VA_LIST is used in SCO Unix 3.2. */
- #ifndef _VA_LIST
- #if !(defined (__BSD_NET2__) || defined (____386BSD____))
- #define _VA_LIST_
- #endif
- #define _VA_LIST
- typedef __gnuc_va_list va_list;
- #endif /* not _VA_LIST */
- #endif /* not _VA_LIST_ */
-
- #endif /* not __SVR4_2__ */
-
- #endif /* _STDARG_H */
-
- #endif /* __GNUC__ */
- #endif /* not _ANSI_STDARG_H_ */
- #ifdef amigados
- # ifndef _VA_LIST
- # define _VA_LIST
- typedef __gnuc_va_list va_list;
- # endif
- #endif /* amigados */
- #endif /* not _STDARG_H */
-