1 /* $NetBSD: stdarg.h,v 1.4 2014/08/15 11:58:13 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)stdarg.h 8.1 (Berkeley) 6/10/93 32 */ 33 34 #ifndef _SYS_STDARG_H_ 35 #define _SYS_STDARG_H_ 36 37 #include <sys/cdefs.h> 38 #include <sys/ansi.h> 39 #include <sys/featuretest.h> 40 41 #ifdef __lint__ 42 #define __builtin_next_arg(t) ((t) ? 0 : 0) 43 #define __builtin_va_start(a, l) ((a) = (va_list)(void *)&(l)) 44 #define __builtin_va_arg(a, t) ((a) ? (t) 0 : (t) 0) 45 #define __builtin_va_end(a) /* nothing */ 46 #define __builtin_va_copy(d, s) ((d) = (s)) 47 #elif !(__GNUC_PREREQ__(4, 5) || \ 48 (__GNUC_PREREQ__(4, 4) && __GNUC_PATCHLEVEL__ > 2)) 49 #define __builtin_va_start(ap, last) __builtin_stdarg_start((ap), (last)) 50 #endif 51 52 #ifndef __VA_LIST_DECLARED 53 typedef __va_list va_list; 54 #define __VA_LIST_DECLARED 55 #endif 56 57 #define va_start(ap, last) __builtin_va_start((ap), (last)) 58 #define va_arg __builtin_va_arg 59 #define va_end(ap) __builtin_va_end(ap) 60 #define __va_copy(dest, src) __builtin_va_copy((dest), (src)) 61 62 #if !defined(_ANSI_SOURCE) && \ 63 (defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ 64 defined(_NETBSD_SOURCE)) 65 #define va_copy(dest, src) __va_copy((dest), (src)) 66 #endif 67 68 #endif /* !_SYS_STDARG_H_ */ 69