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/*- * Copyright (c) 2002 David E. O'Brien. All rights reserved. * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * (c) UNIX System Laboratories, Inc. * All or some portions of this file are derived from material licensed * to the University of California by American Telephone and Telegraph * Co. or Unix System Laboratories, Inc. and are reproduced herein with * the permission of UNIX System Laboratories, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)varargs.h 8.2 (Berkeley) 3/22/94 * $FreeBSD: release/9.1.0/sys/amd64/include/varargs.h 143434 2005-03-11 22:16:09Z peter $ */ #ifndef _MACHINE_VARARGS_H_ #define _MACHINE_VARARGS_H_ #ifndef _SYS_CDEFS_H_ #error this file needs sys/cdefs.h as a prerequisite #endif #ifdef __GNUCLIKE_BUILTIN_VARARGS #include <sys/_types.h> #ifndef _VA_LIST_DECLARED #define _VA_LIST_DECLARED typedef __va_list va_list; #endif typedef int __builtin_va_alist_t __attribute__((__mode__(__word__))); #define va_alist __builtin_va_alist #define va_dcl __builtin_va_alist_t __builtin_va_alist; ... #define va_start(ap) __builtin_varargs_start(ap) #define va_arg(ap, type) __builtin_va_arg((ap), type) #define va_end(ap) __builtin_va_end(ap) #else /* !__GNUCLIKE_BUILTIN_VARARGS */ typedef char *va_list; #define __va_size(type) \ (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)) #if defined(__GNUCLIKE_BUILTIN_VAALIST) #define va_alist __builtin_va_alist #endif #define va_dcl int va_alist; ... #define va_start(ap) \ ((ap) = (va_list)&va_alist) #define va_arg(ap, type) \ (*(type *)((ap) += __va_size(type), (ap) - __va_size(type))) #define va_end(ap) #endif /* __GNUCLIKE_BUILTIN_VARARGS */ #endif /* !_MACHINE_VARARGS_H_ */