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- #ifndef _BCD_H
- #define _BCD_H
- #include <linux/compiler.h>
- #define bcd2bin(x) \
- (__builtin_constant_p((u8 )(x)) ? \
- const_bcd2bin(x) : \
- _bcd2bin(x))
- #define bin2bcd(x) \
- (__builtin_constant_p((u8 )(x)) ? \
- const_bin2bcd(x) : \
- _bin2bcd(x))
- #define const_bcd2bin(x) (((x) & 0x0f) + ((x) >> 4) * 10)
- #define const_bin2bcd(x) ((((x) / 10) << 4) + (x) % 10)
- unsigned _bcd2bin(unsigned char val) __attribute_const__;
- unsigned char _bin2bcd(unsigned val) __attribute_const__;
- #endif /* _BCD_H */
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