diff options
| author | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
| commit | 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch) | |
| tree | 6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/misc/ffs.c | |
| download | musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.gz | |
initial check-in, version 0.5.0v0.5.0
Diffstat (limited to 'src/misc/ffs.c')
| -rw-r--r-- | src/misc/ffs.c | 9 |
1 files changed, 9 insertions, 0 deletions
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 <strings.h> + +int ffs(int i) +{ + unsigned int j = i; + for (i=1; j && !(j&1); j>>=1, i++); + if (j) return i; + return 0; +} |