| /* This Source Code Form is subject to the terms of the Mozilla Public | |
| * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| #if !defined(XP_UNIX) && !defined(XP_OS2) | |
| int | |
| ffs(unsigned int i) | |
| { | |
| int rv = 1; | |
| if (!i) | |
| return 0; | |
| while (!(i & 1)) { | |
| i >>= 1; | |
| ++rv; | |
| } | |
| return rv; | |
| } | |
| #endif |