Squashed 'tmk_core/' content from commit 05caacc

git-subtree-dir: tmk_core
git-subtree-split: 05caaccec92694bb24c8c3c3a9940b96efd4605c

common/util.h

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+/*
+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/>.
+*/
+
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <stdint.h>
+
+// convert to L string
+#define LSTR(s) XLSTR(s)
+#define XLSTR(s) L ## #s
+// convert to string
+#define STR(s) XSTR(s)
+#define XSTR(s) #s
+
+
+uint8_t bitpop(uint8_t bits);
+uint8_t bitpop16(uint16_t bits);
+uint8_t bitpop32(uint32_t bits);
+
+uint8_t biton(uint8_t bits);
+uint8_t biton16(uint16_t bits);
+uint8_t biton32(uint32_t bits);
+
+uint8_t  bitrev(uint8_t bits);
+uint16_t bitrev16(uint16_t bits);
+uint32_t bitrev32(uint32_t bits);
+
+#endif