From 89fc62e68f49d185f8652daf58bcbf23b98367fd Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 17 Nov 2015 02:35:59 +0100 Subject: split ffs.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/strings/ffsl.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/strings/ffsl.c (limited to 'src/strings/ffsl.c') diff --git a/src/strings/ffsl.c b/src/strings/ffsl.c new file mode 100644 index 0000000..6657769 --- /dev/null +++ b/src/strings/ffsl.c @@ -0,0 +1,31 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +#include + + +/** + * Find the first set bit in an integer. + * + * @param i The integer + * @return The value of the least significant set bit, zero if none. + */ +int ffsl(long i) +{ + return __builtin_ffsl(i); +} + -- cgit v1.2.3-70-g09d2