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 | |