diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-07-07 08:07:19 +0300 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-07-10 08:18:10 +0300 |
| commit | 1d49ce4d6b4649a3f89396de67e9c73fc88162f4 (patch) | |
| tree | fb95149dd824614b7d4031c32497c98b042e2031 /newlib/libc/sys/rtems | |
| parent | bf61b38d984539d63dce809923e4edb7865bf721 (diff) | |
Synchronize RTEMS <sys/bitset.h> with FreeBSD
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Diffstat (limited to 'newlib/libc/sys/rtems')
| -rw-r--r-- | newlib/libc/sys/rtems/include/sys/bitset.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/newlib/libc/sys/rtems/include/sys/bitset.h b/newlib/libc/sys/rtems/include/sys/bitset.h index ec75223e9..4c58f1fb7 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; \ |