diff options
author | tmk <nobody@nowhere> | 2012-06-07 02:25:15 +0900 |
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committer | tmk <nobody@nowhere> | 2012-06-07 02:47:33 +0900 |
commit | f4125707399d11a7d80587659c464b9bcddb8c56 (patch) | |
tree | 1d2a02e30f8cd103e8f4dc36629c09f6a3d44fef /util.c | |
parent | 225de7a847a511d004bf909b1334e19497cf2f9d (diff) |
Moved files to common, protocol and doc directory
Diffstat (limited to 'util.c')
-rw-r--r-- | util.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/util.c b/util.c deleted file mode 100644 index 36afdd4470..0000000000 --- a/util.c +++ /dev/null @@ -1,37 +0,0 @@ -/* -Copyright 2011 Jun Wako <wakojun@gmail.com> - -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 2 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 <http://www.gnu.org/licenses/>. -*/ - -#include "util.h" - -// bit population -int bitpop(uint8_t bits) -{ - int c; - for (c = 0; bits; c++) - bits &= bits -1; - return c; -} - -// most significant on-bit -int biton(uint8_t bits) -{ - int n = 0; - if (bits >> 4) { bits >>= 4; n += 4;} - if (bits >> 2) { bits >>= 2; n += 2;} - if (bits >> 1) { bits >>= 1; n += 1;} - return n; -} |