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[cc65] / include / stdarg.h
index 591048039958e66c7aad9c1ed6b8dcd0a4b34f6a..be9ce537ff89976f507b3e72256f0152f0afb05d 100644 (file)
@@ -1,9 +1,35 @@
-/*
- * stdarg.h
- *
- * Ullrich von Bassewitz, 31.05.1998
- *
- */
+/*****************************************************************************/
+/*                                                                           */
+/*                                stdarg.h                                  */
+/*                                                                           */
+/*                           Variable arguments                             */
+/*                                                                           */
+/*                                                                           */
+/*                                                                           */
+/* (C) 1998-2001 Ullrich von Bassewitz                                       */
+/*               Wacholderweg 14                                             */
+/*               D-70597 Stuttgart                                           */
+/* EMail:        uz@musoftware.de                                            */
+/*                                                                           */
+/*                                                                           */
+/* This software is provided 'as-is', without any expressed or implied       */
+/* warranty.  In no event will the authors be held liable for any damages    */
+/* arising from the use of this software.                                    */
+/*                                                                           */
+/* Permission is granted to anyone to use this software for any purpose,     */
+/* including commercial applications, and to alter it and redistribute it    */
+/* freely, subject to the following restrictions:                            */
+/*                                                                           */
+/* 1. The origin of this software must not be misrepresented; you must not   */
+/*    claim that you wrote the original software. If you use this software   */
+/*    in a product, an acknowledgment in the product documentation would be  */
+/*    appreciated but is not required.                                       */
+/* 2. Altered source versions must be plainly marked as such, and must not   */
+/*    be misrepresented as being the original software.                      */
+/* 3. This notice may not be removed or altered from any source              */
+/*    distribution.                                                          */
+/*                                                                           */
+/*****************************************************************************/
 
 
 
 
 typedef unsigned char* va_list;
 
-#define va_start(ap, fix)              ap = (va_list)&fix + *(((va_list)&fix)-1) - __fixargs__
-#define va_arg(ap,type)                ((type)*(ap -= ((sizeof (type) + 1) & ~1)))
+#define va_start(ap, fix)              ap = ((va_list)&(fix))
+#define va_arg(ap,type)                (*(type*)(ap -= ((sizeof (type) + 1) & ~1)))
+#define va_copy(dest, src)     ((dest)=(src))
 #define va_end(ap)
 
-/* This is only valid *before* the first call to va_arg. It will also work
- * only for int sized parameters.
+/* PLEASE NOTE: The old va_fix macro is no longer needed. Just access the
+ * parameters by name.
+#define va_fix(ap, offs)               (*(unsigned*)(ap+(__fixargs__-2*offs)))
  */
-#define va_fix(ap, offs)       *(ap+(__fixargs__-2*offs))