1/*****************************************************************************/
2/* */
3/* va_copy.h */
4/* */
5/* va_copy macro for systems that don't have it */
6/* */
7/* */
8/* */
9/* (C) 2004 Ullrich von Bassewitz */
10/* Römerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#ifndef VA_COPY_H
37#define VA_COPY_H
38
39
40
41#include <stdarg.h>
42
43
44
45/* No action if we have a working va_copy */
46#if !defined(va_copy)
47
48
49
50/* The watcom compiler doesn't have va_copy and a problematic va_list definition */
51#if defined(__WATCOMC__)
52#define va_copy(dest,src) memcpy((dest), (src), sizeof (va_list))
53#endif
54
55/* GNU C has a builtin function */
56#if defined(__GNUC__)
57#define va_copy(dest,src) __va_copy(dest, src)
58#endif
59
60/* MS VC allows for assignment */
61#if defined(_MSC_VER)
62#define va_copy(dest,src) ((dest) = (src))
63#endif
64
65/* If va_copy is not defined now, we have a problem */
66#if !defined(va_copy)
67#error "Need a working va_copy!"
68#endif
69
70
71
72#endif
73
74
75
76/* End of va_copy.h */
77
78#endif
79