]> git.sur5r.net Git - cc65/blob - include/stdarg.h
Use the new __argsize__ pseudo variable
[cc65] / include / stdarg.h
1 /*****************************************************************************/\r
2 /*                                                                           */\r
3 /*                                 stdarg.h                                  */\r
4 /*                                                                           */\r
5 /*                            Variable arguments                             */\r
6 /*                                                                           */\r
7 /*                                                                           */\r
8 /*                                                                           */\r
9 /* (C) 1998-2000 Ullrich von Bassewitz                                       */\r
10 /*               Wacholderweg 14                                             */\r
11 /*               D-70597 Stuttgart                                           */\r
12 /* EMail:        uz@musoftware.de                                            */\r
13 /*                                                                           */\r
14 /*                                                                           */\r
15 /* This software is provided 'as-is', without any expressed or implied       */\r
16 /* warranty.  In no event will the authors be held liable for any damages    */\r
17 /* arising from the use of this software.                                    */\r
18 /*                                                                           */\r
19 /* Permission is granted to anyone to use this software for any purpose,     */\r
20 /* including commercial applications, and to alter it and redistribute it    */\r
21 /* freely, subject to the following restrictions:                            */\r
22 /*                                                                           */\r
23 /* 1. The origin of this software must not be misrepresented; you must not   */\r
24 /*    claim that you wrote the original software. If you use this software   */\r
25 /*    in a product, an acknowledgment in the product documentation would be  */\r
26 /*    appreciated but is not required.                                       */\r
27 /* 2. Altered source versions must be plainly marked as such, and must not   */\r
28 /*    be misrepresented as being the original software.                      */\r
29 /* 3. This notice may not be removed or altered from any source              */\r
30 /*    distribution.                                                          */\r
31 /*                                                                           */\r
32 /*****************************************************************************/\r
33 \r
34 \r
35 \r
36 #ifndef _STDARG_H\r
37 #define _STDARG_H\r
38 \r
39 \r
40 \r
41 typedef unsigned char* va_list;\r
42 \r
43 #define va_start(ap, fix)       ap = (va_list)&fix + __argsize__ - __fixargs__\r
44 #define va_arg(ap,type)         (*(type*)(ap -= ((sizeof (type) + 1) & ~1)))\r
45 #define va_copy(dest, src)      ((dest)=(src))\r
46 #define va_end(ap)\r
47 \r
48 /* This is only valid *before* the first call to va_arg. It will also work\r
49  * only for int sized parameters.\r
50  */\r
51 #define va_fix(ap, offs)        (*(unsigned*)(ap+(__fixargs__-2*offs)))\r
52 \r
53 \r
54 \r
55 /* End of stdarg.h */\r
56 #endif\r
57 \r
58 \r
59 \r
60 \r