* time.c (rb_big_abs_find_minbit): use ffs().

* configure.in: check ffs().

* missing/ffs.c: new file.

* include/ruby/missing.h (ffs): declared.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/time.c b/time.c
index 1b461bbb34..9355c87ec9 100644
--- a/time.c
+++ b/time.c
@@ -345,7 +345,7 @@ rb_big_abs_find_minbit(VALUE big)
         return Qnil;
     res = mul(LONG2NUM(i), INT2FIX(SIZEOF_BDIGITS * CHAR_BIT));
     d = ds[i];
-    res = add(res, LONG2FIX(bdigit_find_maxbit(d & (~d+1))));
+    res = add(res, LONG2FIX(ffs(d)-1));
     return res;
 }