chiark / gitweb /
Add many comments to server/play.c, in advance of possible
[disorder] / lib / bits.h
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1/*
2 * This file is part of DisOrder
3 * Copyright (C) 2008 Richard Kettlewell
4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
f9d42b20 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
f9d42b20 8 * (at your option) any later version.
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9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
f9d42b20 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
18
19/** @file lib/bits.h
20 * @brief Bit operations
21 */
22
23#ifndef BITS_H
24#define BITS_H
25
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26#if HAVE_FLS
27static inline int leftmost_bit(uint32_t n) {
28 return fls(n) - 1;
29}
30#else
f9d42b20 31int leftmost_bit(uint32_t n);
7c8c2fc9 32#endif
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33
34#endif /* BITS_H */
35
36
37/*
38Local Variables:
39c-basic-offset:2
40comment-column:40
41fill-column:79
42indent-tabs-mode:nil
43End:
44*/