X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..c3c9b80d004dbbfdf763edeb97968c6997e3b45b:/EXTERNAL_HEADERS/stdarg.h diff --git a/EXTERNAL_HEADERS/stdarg.h b/EXTERNAL_HEADERS/stdarg.h index dc927b294..2957bf058 100644 --- a/EXTERNAL_HEADERS/stdarg.h +++ b/EXTERNAL_HEADERS/stdarg.h @@ -1,195 +1,50 @@ -/* - * 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 -#else -#ifdef __m88k__ -#include -#else -#ifdef __i860__ -#include -#else -#ifdef __hppa__ -#include -#else -#ifdef __mips__ -#include -#else -#ifdef __sparc__ -#include -#else -#ifdef __i960__ -#include -#else -#ifdef __alpha__ -#include -#else -#if defined (__H8300__) || defined (__H8300H__) -#include -#else -#if defined (__PPC__) && defined (_CALL_SYSV) -#include -#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) -/* We cast to void * and then to TYPE * because this avoids - a warning about increasing the alignment requirement. */ +#ifndef __STDARG_H +#define __STDARG_H -#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__ */ - -/* 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 +typedef __builtin_va_list 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 +#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) -#endif /* not _VA_LIST_, except on certain systems */ +/* 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) -#endif /* not __svr4__ */ +#if __STDC_VERSION__ >= 199900L || __cplusplus >= 201103L || !defined(__STRICT_ANSI__) +#define va_copy(dest, src) __builtin_va_copy(dest, src) +#endif -#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 */