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private final int BUFSIZE = 512; // ... nblocks = 1 + ((nbytes - 1) >> 9); /*/ BUFSIZE = 512 = 2^9 */ |
The programmer has assumed that BUFSIZE is 512, and right-shifting 9 bits is the same (for positive numbers) as dividing by 512. However, if BUFSIZE changes to 1024 in the future, modifications will be difficult and error-prone.
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