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[newlib-cygwin] Synchronize RTEMS <sys/bitset.h> with FreeBSD
- From: Sebastian Huber <sh at sourceware dot org>
- To: newlib-cvs at sourceware dot org
- Date: 10 Jul 2017 05:18:46 -0000
- Subject: [newlib-cygwin] Synchronize RTEMS <sys/bitset.h> with FreeBSD
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=1d49ce4d6b4649a3f89396de67e9c73fc88162f4
commit 1d49ce4d6b4649a3f89396de67e9c73fc88162f4
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Fri Jul 7 07:07:19 2017 +0200
Synchronize RTEMS <sys/bitset.h> with FreeBSD
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Diff:
---
newlib/libc/sys/rtems/include/sys/bitset.h | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/newlib/libc/sys/rtems/include/sys/bitset.h b/newlib/libc/sys/rtems/include/sys/bitset.h
index ec75223..4c58f1f 100644
--- a/newlib/libc/sys/rtems/include/sys/bitset.h
+++ b/newlib/libc/sys/rtems/include/sys/bitset.h
@@ -26,7 +26,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
- * $FreeBSD: head/sys/sys/bitset.h 318781 2017-05-24 10:09:54Z kib $
+ * $FreeBSD: head/sys/sys/bitset.h 320755 2017-07-06 21:47:17Z kib $
*/
#ifndef _SYS_BITSET_H_
@@ -216,6 +216,21 @@
__bit; \
})
+#define BIT_FLS(_s, p) __extension__ ({ \
+ __size_t __i; \
+ int __bit; \
+ \
+ __bit = 0; \
+ for (__i = __bitset_words((_s)) - 1; __i >= 0; __i--) { \
+ if ((p)->__bits[__i] != 0) { \
+ __bit = flsl((p)->__bits[__i]); \
+ __bit += __i * _BITSET_BITS; \
+ break; \
+ } \
+ } \
+ __bit; \
+})
+
#define BIT_COUNT(_s, p) __extension__ ({ \
__size_t __i; \
int __count; \