From 47b5083e50554410a861d1cde309d77d9078fc46 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Mon, 20 Jun 2011 13:15:58 +0000
Subject: [PATCH] [WINE] add inline version of ffs

svn path=/trunk/; revision=52382
---
 reactos/include/reactos/wine/port.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/reactos/include/reactos/wine/port.h b/reactos/include/reactos/wine/port.h
index 62e64e77379..97692bbf30f 100644
--- a/reactos/include/reactos/wine/port.h
+++ b/reactos/include/reactos/wine/port.h
@@ -315,6 +315,17 @@ extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
 
 #endif  /* __i386___ && __GNUC__ */
 
+#if defined(_MSC_VER)
+__forceinline
+int
+ffs(int mask)
+{
+    long index;
+    if (_BitScanForward(&index, mask) == 0) return 0;
+    return index;
+}
+#endif
+
 #else /* NO_LIBWINE_PORT */
 
 #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable