components/x11/libX11/srcs/include/X11/Xvarargs.h

   1 /* $XConsortium: Xvarargs.h,v 1.4 94/04/17 20:21:57 rws Exp $ */
   2 /*
   3
   4 Copyright (c) 1985, 1986, 1987, 1988, 1989  X Consortium
   5
   6 Permission is hereby granted, free of charge, to any person obtaining
   7 a copy of this software and associated documentation files (the
   8 "Software"), to deal in the Software without restriction, including
   9 without limitation the rights to use, copy, modify, merge, publish,
  10 distribute, sublicense, and/or sell copies of the Software, and to
  11 permit persons to whom the Software is furnished to do so, subject to
  12 the following conditions:
  13
  14 The above copyright notice and this permission notice shall be included
  15 in all copies or substantial portions of the Software.
  16
  17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20 IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23 OTHER DEALINGS IN THE SOFTWARE.
  24
  25 Except as contained in this notice, the name of the X Consortium shall
  26 not be used in advertising or otherwise to promote the sale, use or
  27 other dealings in this Software without prior written authorization
  28 from the X Consortium.
  29
  30 */
  31
  32 #ifndef _XVARARGS_H_
  33 #define _XVARARGS_H_
  34
  35 #ifdef __HIGHC__
  36 #ifndef _STDARG_H
  37 #define _STDARG_H
  38
  39 typedef char *va_list;
  40
  41 /* Amount of space required in an argument list for an arg of type TYPE.
  42    TYPE may alternatively be an expression whose type is used.  */
  43
  44 #define __va_rounded_size(TYPE)  \
  45   (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
  46
  47 #define va_start(AP, LASTARG)                                           \
  48  (AP = ((char *) &(LASTARG) + __va_rounded_size (LASTARG)))
  49
  50 #define va_end(AP)
  51
  52 #define va_arg(AP, TYPE)                                                \
  53  (AP += __va_rounded_size (TYPE),                                       \
  54   *((TYPE *) (AP - __va_rounded_size (TYPE))))
  55
  56 #endif /* _STDARG_H */
  57
  58 #define Va_start(a,b) va_start(a,b)
  59
  60 #else /* !__HIGHC__ */
  61
  62 #if NeedVarargsPrototypes
  63 # include <stdarg.h>
  64 # define Va_start(a,b) va_start(a,b)
  65 #else
  66 # include <varargs.h>
  67 # define Va_start(a,b) va_start(a)
  68 #endif
  69
  70 #endif /* __HIGHC__ */
  71
  72 #endif /* _XVARARGS_H_ */