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Annotation of sys/arch/alpha/include/stdarg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: stdarg.h,v 1.10 2006/04/09 03:07:52 deraadt Exp $     */
                      2: /*     $NetBSD: stdarg.h,v 1.4 1996/10/09 21:13:05 cgd Exp $   */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1991, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)stdarg.h    8.1 (Berkeley) 6/10/93
                     33:  */
                     34:
                     35: #ifndef _ALPHA_STDARG_H_
                     36: #define        _ALPHA_STDARG_H_
                     37:
                     38: #include <sys/cdefs.h>
                     39: #include <machine/_types.h>
                     40:
                     41: typedef __va_list      va_list;
                     42:
                     43: #define        __va_size(type) \
                     44:        (((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
                     45:
                     46: #ifdef lint
                     47: #define        va_start(ap,lastarg)    ((ap) = (ap))
                     48: #else
                     49: #define        va_start(ap, last) \
                     50:        (__builtin_next_arg(last), (ap) = *(va_list *)__builtin_saveregs(), (ap).pad = 0)
                     51: #endif /* lint */
                     52:
                     53: #define        __REAL_TYPE_CLASS       8
                     54: #define        __va_arg_offset(ap, type)                                       \
                     55:        ((__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS &&   \
                     56:            (ap).offset <= (6 * 8) ? -(6 * 8) : 0) - __va_size(type))
                     57:
                     58: #define        va_arg(ap, type)                                                \
                     59:        (*(type *)((ap).offset += __va_size(type),                      \
                     60:                   (ap).base + (ap).offset + __va_arg_offset(ap, type)))
                     61:
                     62: #if __ISO_C_VISIBLE >= 1999
                     63: #define va_copy(dest, src) \
                     64:        ((dest) = (src))
                     65: #endif
                     66:
                     67: #define        va_end(ap)
                     68:
                     69: #endif /* !_ALPHA_STDARG_H_ */