1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)stdarg.h 8.1 (Berkeley) 6/10/93 34 * $FreeBSD: src/sys/i386/include/stdarg.h,v 1.10 1999/08/28 00:44:26 peter Exp $ 35 */ 36 37 #ifndef _CPU_STDARG_H_ 38 #define _CPU_STDARG_H_ 39 40 /* 41 * GNUC mess 42 */ 43 #if defined(__GNUC__) 44 typedef __builtin_va_list __va_list; /* internally known to gcc */ 45 #else 46 typedef char * __va_list; 47 #endif /* post GCC 2.95 */ 48 #if defined __GNUC__ && !defined(__GNUC_VA_LIST) && !defined(__NO_GNUC_VA_LIST) 49 #define __GNUC_VA_LIST 50 typedef __va_list __gnuc_va_list; /* compatibility w/GNU headers*/ 51 #endif 52 53 /* 54 * Standard va types and macros 55 */ 56 #define __va_size(type) \ 57 (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)) 58 59 #ifdef __GNUC__ 60 61 #define __va_start(ap, last) \ 62 __builtin_va_start(ap, last) 63 #define __va_arg(ap, type) \ 64 __builtin_va_arg((ap), type) 65 #define __va_copy(dest, src) \ 66 __builtin_va_copy((dest), (src)) 67 #define __va_end(ap) \ 68 __builtin_va_end(ap) 69 70 #else /* !__GNUC__ */ 71 72 /* Provide a free-standing implementation */ 73 #define __va_start(ap, last) \ 74 ((ap) = (__va_list)&(last) + __va_size(last)) 75 #define __va_arg(ap, type) \ 76 (*(type *)((ap) += __va_size(type), (ap) - __va_size(type))) 77 /* This assumes a typical stack machine */ 78 #define __va_copy(dest, src) \ 79 ((void)((dest) = (src))) 80 #define __va_end(ap) 81 82 #endif /* __GNUC__ */ 83 84 #endif /* !_CPU_STDARG_H_ */ 85