/* Copyright (C) 1991, 1992, 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Torbjorn Granlund (tege@sics.se). The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <limits.h> #include <string.h> /* Find the first bit set in I. */ int ffsll (long long int i) { unsigned long long int x = i & -i; if (x <= 0xffffffff) return ffs (i); else return 32 + ffs (i >> 32); } #if ULONG_MAX != UINT_MAX strong_alias_untyped(ffsll, ffsl) #endif
