1 /*- 2 * Copyright (c) 2002 David E. O'Brien. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of the University nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _MACHINE_STDARG_H_ 32 #define _MACHINE_STDARG_H_ 33 34 #include <sys/cdefs.h> 35 #include <sys/_types.h> 36 37 #ifndef _VA_LIST_DECLARED 38 #define _VA_LIST_DECLARED 39 typedef __va_list va_list; 40 #endif 41 42 #ifdef __GNUCLIKE_BUILTIN_STDARG 43 44 #define va_start(ap, last) \ 45 __builtin_va_start((ap), (last)) 46 47 #define va_arg(ap, type) \ 48 __builtin_va_arg((ap), type) 49 50 #define __va_copy(dest, src) \ 51 __builtin_va_copy((dest), (src)) 52 53 #if __ISO_C_VISIBLE >= 1999 54 #define va_copy(dest, src) \ 55 __va_copy(dest, src) 56 #endif 57 58 #define va_end(ap) \ 59 __builtin_va_end(ap) 60 61 #elif defined(lint) 62 /* Provide a fake implementation for lint's benefit */ 63 #define __va_size(type) \ 64 (((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long)) 65 #define va_start(ap, last) \ 66 ((ap) = (va_list)&(last) + __va_size(last)) 67 #define va_arg(ap, type) \ 68 (*(type *)((ap) += __va_size(type), (ap) - __va_size(type))) 69 #define va_end(ap) 70 71 #else 72 #error this file needs to be ported to your compiler 73 #endif 74 75 #endif /* !_MACHINE_STDARG_H_ */ 76