21 lines
582 B
C
21 lines
582 B
C
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#ifndef _DIV64_H_
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#define _DIV64_H_
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#include <sys/types.h>
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extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
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#define do_div(n, base) ({ \
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uint32_t __base = (base); \
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uint32_t __rem; \
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if (((n) >> 32) == 0) { \
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__rem = (uint32_t)(n) % __base; \
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(n) = (uint32_t)(n) / __base; \
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} else \
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__rem = __div64_32(&(n), __base); \
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__rem; \
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})
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#endif /* _DIV64_H_ */
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