1 /*- 2 * Copyright (c) 2002 David E. O'Brien. All rights reserved. 3 * Copyright (c) 1991, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)stdarg.h 8.1 (Berkeley) 6/10/93 31 * $FreeBSD$ 32 */ 33 34 #ifndef _MACHINE_STDARG_H_ 35 #define _MACHINE_STDARG_H_ 36 37 #include <sys/cdefs.h> 38 #include <sys/_types.h> 39 40 #ifndef _VA_LIST_DECLARED 41 #define _VA_LIST_DECLARED 42 typedef __va_list va_list; 43 #endif 44 45 #ifdef __GNUCLIKE_BUILTIN_STDARG 46 47 #define va_start(ap, last) \ 48 __builtin_va_start((ap), (last)) 49 50 #define va_arg(ap, type) \ 51 __builtin_va_arg((ap), type) 52 53 #if __ISO_C_VISIBLE >= 1999 54 #define va_copy(dest, src) \ 55 __builtin_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_copy(dst, src) \ 68 ((dst) = (src)) 69 #define va_arg(ap, type) \ 70 (*(type *)((ap) += __va_size(type), (ap) - __va_size(type))) 71 #define va_end(ap) 72 73 #else /* !__GNUCLIKE_BUILTIN_STDARG */ 74 75 #error no support for your compiler 76 77 #endif /* __GNUCLIKE_BUILTIN_STDARG */ 78 79 #endif /* !_MACHINE_STDARG_H_ */ 80