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Last change
on this file since 9 was 4, checked in by Mattia Monga, 14 years ago |
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Importazione sorgenti libro
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File size:
356 bytes
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| 1 | #ifndef _BITMAP_H
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| 2 | #define _BITMAP_H
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| 3 |
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| 4 | /* Bit map operations to manipulate bits of a simple mask variable. */
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| 5 | #define bit_set(mask, n) ((mask) |= (1 << (n)))
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| 6 | #define bit_unset(mask, n) ((mask) &= ~(1 << (n)))
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| 7 | #define bit_isset(mask, n) ((mask) & (1 << (n)))
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| 8 | #define bit_empty(mask) ((mask) = 0)
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| 9 | #define bit_fill(mask) ((mask) = ~0)
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| 10 |
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| 11 | #endif /* _BITMAP_H */
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