xnu-1699.22.81.tar.gz

[apple/xnu.git] / EXTERNAL_HEADERS / stdarg.h

diff --git a/EXTERNAL_HEADERS/stdarg.h b/EXTERNAL_HEADERS/stdarg.h
index dc927b2948c4ac8715c53d32576cab14b0cc9b88..bbbaff93e242ec90567fb2c64bf8470cc1473816 100644 (file)
--- a/EXTERNAL_HEADERS/stdarg.h
+++ b/EXTERNAL_HEADERS/stdarg.h
@@ -1,195 +1,47 @@
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+/*===---- stdarg.h - Variable argument handling ----------------------------===

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * Copyright (c) 2008 Eli Friedman
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ *===-----------------------------------------------------------------------===

  */
  */

-/* 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
-
-#ifdef __clipper__
-#include <va-clipper.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
-#if defined (__H8300__) || defined (__H8300H__)
-#include <va-h8300.h>
-#else
-#if defined (__PPC__) && defined (_CALL_SYSV)
-#include <va-ppc.h>
-#else
-
-/* Define __gnuc_va_list.  */
-
-#ifndef __GNUC_VA_LIST
-#define __GNUC_VA_LIST
-#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) || defined(__NetBSD__) || (defined(__APPLE__) && defined(__ppc__))
-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.  */
-
-#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
-
-#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)
+#ifndef __STDARG_H
+#define __STDARG_H

 
 

-/* We cast to void * and then to TYPE * because this avoids
-   a warning about increasing the alignment requirement.  */
+typedef __builtin_va_list va_list;
+#define va_start(ap, param) __builtin_va_start(ap, param)
+#define va_end(ap)          __builtin_va_end(ap)
+#define va_arg(ap, type)    __builtin_va_arg(ap, type)

 
 

-#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 /* _STDARG_H */
-
-#endif /* not powerpc with V.4 calling sequence */
-#endif /* not h8300 */
-#endif /* not alpha */
-#endif /* not i960 */
-#endif /* not sparc */
-#endif /* not mips */
-#endif /* not hppa */
-#endif /* not i860 */
-#endif /* not m88k */
-#endif /* not clipper */
-
-#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__
-/* 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__ */
+/* GCC always defines __va_copy, but does not define va_copy unless in c99 mode
+ * or -ansi is not specified, since it was not part of C90.
+ */
+#define __va_copy(d,s) __builtin_va_copy(d,s)

 
 

-/* 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
+#if __STDC_VERSION__ >= 199900L || !defined(__STRICT_ANSI__)
+#define va_copy(dest, src)  __builtin_va_copy(dest, src)

 #endif
 #endif

-#ifndef _VA_LIST_T_H
-#define _VA_LIST_T_H
-#endif
-
-#endif /* not _VA_LIST_, except on certain systems */
-
-#endif /* not __svr4__ */

 
 

-#endif /* _STDARG_H */
+/* Hack required to make standard headers work, at least on Ubuntu */
+#define __GNUC_VA_LIST 1
+typedef __builtin_va_list __gnuc_va_list;

 
 

-#endif /* not _ANSI_STDARG_H_ */
-#endif /* not _STDARG_H */
+#endif /* __STDARG_H */