共有回帖数 0 个
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void fast_memcpy (uint8_t *to, uint8_t *from, size_t count)
{
register size_t n = (count + 7) / 8; /* count 0 assumed */
uint8_t c = count % 8;
switch ©
{
case 0: do { *to++ = *from++;
case 7: *to++ = *from++;
case 6: *to++ = *from++;
case 5: *to++ = *from++;
case 4: *to++ = *from++;
case 3: *to++ = *from++;
case 2: *to++ = *from++;
case 1: *to++ = *from++;
} while (--n 0);
}
}
强大！！
楼主 2016-01-23 10:49 回复
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