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by adisinom
2480 days ago
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It's hypothetical, but other code may expect a bigger buffer than was actually allocated. Suppose we're on a 32 bit platform and num is 0xF0000001. When multiplied by 64 (0x40), we'll end up allocating a 64 (0x40) byte buffer. But other code converting num to unsigned may be expecting a buffer large enough for 0xF0000001 64 byte records. After all, that was probably the reason for multiplying by 64. |
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