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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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#ifndef _STDARG_H
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#define _STDARG_H
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#ifndef __BUILDING_TDF_ANSI_STDARG_H_VA_ARGS
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#include <standards.h>
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#include <va_list.h>
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/*
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TOKEN DECLARATIONS
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The tokens __va_t, __va_start, va_arg and va_end are as in the
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ansi:stdarg header. The only difference is that va_list is defined
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as its implementation type, rather than being a tokenised type.
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*/
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#pragma token TYPE __va_t # ~__va_t
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#pragma token PROC ( EXP rvalue : __va_t : ) EXP rvalue : va_list : __va_start # ansi.stdarg.__va_start
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#pragma token PROC ( EXP lvalue : va_list : e , TYPE t ) EXP rvalue : t : va_arg # ansi.stdarg.va_arg
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#pragma token PROC ( EXP lvalue : va_list : ) EXP rvalue : void : va_end # ansi.stdarg.va_end
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#pragma interface __va_t __va_start va_arg va_end
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/*
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DEFINITION OF VA_START
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How va_start is defined in terms of __va_start depends on whether
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this is stdarg.h or varargs.h.
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*/
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#pragma TenDRA ident ... allow
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#ifdef __HACKED_VARARGS
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#define va_alist ...
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#define va_dcl
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#define va_start( l ) ( ( void ) ( l = __va_start ( ... ) ) )
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#else
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#define va_start( l, i ) ( ( void ) ( l = __va_start ( ... ) ) )
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#endif
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#else /* __BUILDING_TDF_ANSI_STDARG_H_VA_ARGS */
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/*
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IMPLEMENTATION OF STDARG
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This implementation basically works, and avoids the built-in
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operators defined in the system header.
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*/
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#pragma token PROC ( TYPE t ) EXP rvalue : int : __builtin_isfloat #
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#pragma no_def __builtin_isfloat
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#define _VA_LIST
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#define __COMPLEX_VA_LIST
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typedef struct {
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char *_a0; /* pointer to first homed integer arg */
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int _offset; /* byte offset of next param */
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} va_list;
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static va_list _v ;
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typedef char *__va_t ;
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#define __va_start(X) (_v._a0 = ( X ), _v._offset = 0, _v)
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#define va_end(X) ( ( void ) 0 )
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#define va_arg(list, mode) \
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(*(((list)._offset += ((int)sizeof(mode) + 7) & -8), \
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(mode *)((list)._a0 + (list)._offset - \
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((__builtin_isfloat(mode) && (list)._offset <= (6 * 8)) ? \
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(6 * 8) + 8 : ((int)sizeof(mode) + 7) & -8))))
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#endif /* __BUILDING_TDF_ANSI_STDARG_H_VA_ARGS */
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#endif /* _STDARG_H */
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