view lphobos/std/stdarg.d @ 177:cea8dcfa76df trunk

[svn r193] Fixed: abstract classes implementing interfaces now output proper Interface info arrays. (null vtables). Did a little renaming of delegate utils.
author lindquist
date Wed, 07 May 2008 04:45:51 +0200
parents 5825d48b27d1
children eef8ac26c66c
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/*
 * Placed in public domain.
 * Written by Hauke Duden and Walter Bright
 */

/* This is for use with variable argument lists with extern(D) linkage. */

/* Modified for LLVMDC (LLVM D Compiler) by Tomas Lindquist Olsen, 2007 */

module std.stdarg;

alias void* va_list;

T va_arg(T)(ref va_list vp)
{
    size_t size = T.sizeof > size_t.sizeof ? size_t.sizeof : T.sizeof;
    va_list vptmp = cast(va_list)((cast(size_t)vp + size - 1) &  ~(size - 1));
    vp = vptmp + T.sizeof;
    return *cast(T*)vptmp;
}