[Xenomai-core] [PATCH] fix ffnz for 64-bit hosts

[Jan Kiszka <jan.kiszka@domain.hid>]

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I'm just not sure if "#define _GNU_SOURCE" is the preferred way to go.


Index: xenomai/include/asm-sim/system.h
===================================================================
--- xenomai.orig/include/asm-sim/system.h
+++ xenomai/include/asm-sim/system.h
@@ -24,6 +24,7 @@
 
 #include <asm/param.h>
 #include <errno.h>
+#define _GNU_SOURCE
 #include <string.h>
 #include <malloc.h>
 #include <stdlib.h>
@@ -172,7 +173,7 @@ static inline unsigned long long xnarch_
 
 static inline unsigned long ffnz (unsigned long word)
 {
-    return ffs((int)word) - 1;
+    return ffsl(word) - 1;
 }
 
 #define xnarch_stack_size(tcb)    0
Index: xenomai/ChangeLog
===================================================================
--- xenomai.orig/ChangeLog
+++ xenomai/ChangeLog
@@ -5,6 +5,8 @@
 
 	* include/nucleus/system.h: Remove unused (and bogus) ffnz wrapper.
 
+	* include/asm-sim/system.h: Fix ffnz for 64-bit hosts.
+
 2007-04-19  Philippe Gerum  <rpm@xenomai.org>
 
 	* ksrc/skins/vrtx/module.c, ksrc/nucleus/pipe.c,


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