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[Qemu-devel] [PATCH v2 8/9] os-win32: drop ffs(3) prototype

From: Stefan Hajnoczi
Subject: [Qemu-devel] [PATCH v2 8/9] os-win32: drop ffs(3) prototype
Date: Tue, 17 Mar 2015 15:09:46 +0000

The lack of ffs(3) in the MinGW headers is a hint that we shouldn't rely
on it.  MinGW 4.9.2 does not make it available for linking when QEMU's
./configure --enable-debug is used (release builds are fine though).

Now that all QEMU code has been switched to ctz32() there is no need for

Signed-off-by: Stefan Hajnoczi <address@hidden>
 include/sysemu/os-win32.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/sysemu/os-win32.h b/include/sysemu/os-win32.h
index 9cc9e08..4035c4f 100644
--- a/include/sysemu/os-win32.h
+++ b/include/sysemu/os-win32.h
@@ -72,9 +72,6 @@
 #define sigsetjmp(env, savemask) setjmp(env)
 #define siglongjmp(env, val) longjmp(env, val)
-/* Declaration of ffs() is missing in MinGW's strings.h. */
-int ffs(int i);
 /* Missing POSIX functions. Don't use MinGW-w64 macros. */
 #undef gmtime_r
 struct tm *gmtime_r(const time_t *timep, struct tm *result);

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