Fix a typo

[reactos.git] / reactos / include / crt / vadefs.h

diff --git a/reactos/include/crt/vadefs.h b/reactos/include/crt/vadefs.h
index eda8896..280d0ff 100644 (file)
--- a/reactos/include/crt/vadefs.h
+++ b/reactos/include/crt/vadefs.h
@@ -37,14 +37,20 @@ extern "C" {
 #endif
 #endif
 
+#ifdef __GNUC__
 #ifndef __GNUC_VA_LIST
 #define __GNUC_VA_LIST
   typedef __builtin_va_list __gnuc_va_list;
 #endif
+#endif
 
 #ifndef _VA_LIST_DEFINED
 #define _VA_LIST_DEFINED
+#if defined(__GNUC__)
   typedef __gnuc_va_list va_list;
+#elif defined(_MSC_VER)
+  typedef char *  va_list;
+#endif
 #endif
 
 #ifdef __cplusplus
@@ -66,16 +72,38 @@ extern "C" {
 #define _APALIGN(t,ap) (__alignof(t))
 #endif
 
-#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L
-#define va_copy(d,s)   __builtin_va_copy(d,s)
-#endif
-#define __va_copy(d,s) __builtin_va_copy(d,s)
-
 #define _INTSIZEOF(n) ((sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1))
 
+#if defined(__GNUC__)
 #define _crt_va_start(v,l)     __builtin_va_start(v,l)
 #define _crt_va_arg(v,l)       __builtin_va_arg(v,l)
 #define _crt_va_end(v) __builtin_va_end(v)
+#define __va_copy(d,s) __builtin_va_copy(d,s)
+#elif defined(_MSC_VER)
+
+#if defined(_M_IX86)
+#define _crt_va_start(v,l)     ((void)((v) = (va_list)_ADDRESSOF(l) + _INTSIZEOF(l)))
+#define _crt_va_arg(v,l)       (*(l *)(((v) += _INTSIZEOF(l)) - _INTSIZEOF(l)))
+#define _crt_va_end(v) ((void)((v) = (va_list)0))
+#define __va_copy(d,s) ((void)((d) = (s)))
+#elif defined(_M_AMD64)
+#define _PTRSIZEOF(n) ((sizeof(n) + sizeof(void*) - 1) & ~(sizeof(void*) - 1))
+#define _ISSTRUCT(t) ((sizeof(t) > sizeof(void*)) || (sizeof(t) & (sizeof(t)-1)) != 0)
+#define _crt_va_start(v,l)     ((void)((v) = (va_list)_ADDRESSOF(l) + _PTRSIZEOF(l)))
+#define _crt_va_arg(v,t)       _ISSTRUCT(t) ? \
+                            (**(t**)(((v) += sizeof(void*)) - sizeof(void*))) : \
+                            (*(t*)(((v) += sizeof(void*)) - sizeof(void*)))
+#define _crt_va_end(v) ((void)((v) = (va_list)0))
+#define __va_copy(d,s) ((void)((d) = (s)))
+#else //if defined(_M_IA64) || defined(_M_CEE)
+#error Please implement me
+#endif
+
+#endif
+
+#if !defined(va_copy) && (!defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L)
+#define va_copy(d,s)   __va_copy((d),(s))
+#endif
 
 #ifdef __cplusplus
 }