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comparison tango/tango/core/Vararg.d @ 144:a27941d00351 trunk

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[svn r149] fixed: a bunch of D-style variadics problems. fixed: GotoDefaultStatement implemented. fixed: some other minor bugs.
author lindquist
date Sat, 26 Jan 2008 17:13:22 +0100
parents 1700239cab2e
children a9dae3da4e87
comparison
equal deleted inserted replaced
143:336ec4f4bbb3 144:a27941d00351
12 12
13 13
14 version( GNU ) 14 version( GNU )
15 { 15 {
16 public import std.stdarg; 16 public import std.stdarg;
17 }
18 else version( LLVMDC )
19 {
20 /**
21 * The base vararg list type.
22 */
23 alias void* va_list;
24
25 /**
26 * This function returns the next argument in the sequence referenced by
27 * the supplied argument pointer. The argument pointer will be adjusted
28 * to point to the next arggument in the sequence.
29 *
30 * Params:
31 * vp = The argument pointer.
32 *
33 * Returns:
34 * The next argument in the sequence. The result is undefined if vp
35 * does not point to a valid argument.
36 */
37 T va_arg(T)(ref va_list vp)
38 {
39 size_t size = T.sizeof > size_t.sizeof ? size_t.sizeof : T.sizeof;
40 va_list vptmp = cast(va_list)((cast(size_t)vp + size - 1) & ~(size - 1));
41 vp = vptmp + T.sizeof;
42 return *cast(T*)vptmp;
43 }
17 } 44 }
18 else 45 else
19 { 46 {
20 /** 47 /**
21 * The base vararg list type. 48 * The base vararg list type.