From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/misc/ffs.c | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 src/misc/ffs.c (limited to 'src/misc/ffs.c') diff --git a/src/misc/ffs.c b/src/misc/ffs.c new file mode 100644 index 00000000..2f7cb321 --- /dev/null +++ b/src/misc/ffs.c @@ -0,0 +1,9 @@ +#include + +int ffs(int i) +{ + unsigned int j = i; + for (i=1; j && !(j&1); j>>=1, i++); + if (j) return i; + return 0; +} -- cgit v1.2.1