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1010 cejka 1
/*
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 * Copyright (C) 2005 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1656 cejka 29
 /** @addtogroup libcia32
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 * @{
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 */
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/** @file
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 */
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1010 cejka 36
/*
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 * Variable argument list manipulation macros
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 * for architectures using stack to pass arguments.
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 */
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#ifndef __LIBC_STACKARG_H__
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#define __LIBC_STACKARG_H__
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#include <types.h>
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/* dont allow to define it second time in stdarg.h */
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#define __VARARGS_DEFINED
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typedef struct va_list {
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    int pos;
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    uint8_t *last;
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} va_list;
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#define va_start(ap, lst) \
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    (ap).pos = sizeof(lst);             \
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    (ap).last = (uint8_t *) &(lst)
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#define va_arg(ap, type)        \
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    (*((type *)((ap).last + ((ap).pos  += sizeof(type) ) - sizeof(type))))
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#define va_end(ap)
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#endif
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 /** @}
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 */
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