15b81b6b3SRodney W. Grimes /*- 25b81b6b3SRodney W. Grimes * Copyright (c) 1991 The Regents of the University of California. 35b81b6b3SRodney W. Grimes * All rights reserved. 45b81b6b3SRodney W. Grimes * 55b81b6b3SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 65b81b6b3SRodney W. Grimes * modification, are permitted provided that the following conditions 75b81b6b3SRodney W. Grimes * are met: 85b81b6b3SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 95b81b6b3SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 105b81b6b3SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 115b81b6b3SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 125b81b6b3SRodney W. Grimes * documentation and/or other materials provided with the distribution. 135b81b6b3SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 145b81b6b3SRodney W. Grimes * must display the following acknowledgement: 155b81b6b3SRodney W. Grimes * This product includes software developed by the University of 165b81b6b3SRodney W. Grimes * California, Berkeley and its contributors. 175b81b6b3SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 185b81b6b3SRodney W. Grimes * may be used to endorse or promote products derived from this software 195b81b6b3SRodney W. Grimes * without specific prior written permission. 205b81b6b3SRodney W. Grimes * 215b81b6b3SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 225b81b6b3SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 235b81b6b3SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 245b81b6b3SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 255b81b6b3SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 265b81b6b3SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 275b81b6b3SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 285b81b6b3SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 295b81b6b3SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 305b81b6b3SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 315b81b6b3SRodney W. Grimes * SUCH DAMAGE. 325b81b6b3SRodney W. Grimes * 335b81b6b3SRodney W. Grimes * @(#)stdarg.h 7.2 (Berkeley) 5/4/91 345b81b6b3SRodney W. Grimes */ 355b81b6b3SRodney W. Grimes 365b81b6b3SRodney W. Grimes typedef char *va_list; 375b81b6b3SRodney W. Grimes 385b81b6b3SRodney W. Grimes #ifdef KERNEL 395b81b6b3SRodney W. Grimes #define va_arg(ap, type) \ 405b81b6b3SRodney W. Grimes ((type *)(ap += sizeof(type)))[-1] 415b81b6b3SRodney W. Grimes #else 425b81b6b3SRodney W. Grimes #define va_arg(ap, type) \ 435b81b6b3SRodney W. Grimes ((type *)(ap += sizeof(type) < sizeof(int) ? \ 445b81b6b3SRodney W. Grimes (abort(), 0) : sizeof(type)))[-1] 455b81b6b3SRodney W. Grimes #endif 465b81b6b3SRodney W. Grimes 475b81b6b3SRodney W. Grimes #define va_end(ap) 485b81b6b3SRodney W. Grimes 495b81b6b3SRodney W. Grimes #define __va_promote(type) \ 505b81b6b3SRodney W. Grimes (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)) 515b81b6b3SRodney W. Grimes 525b81b6b3SRodney W. Grimes #define va_start(ap, last) \ 535b81b6b3SRodney W. Grimes (ap = ((char *)&(last) + __va_promote(last))) 54