mirror of https://github.com/aria2/aria2
Compare filesize directly to the numeric max of size_t
parent
43aea5c940
commit
ef0a2e601f
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@ -373,8 +373,7 @@ void AbstractDiskWriter::ensureMmapWrite(size_t len, int64_t offset)
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return;
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}
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uint32_t filesize_lo = filesize & 0xffffffffu;
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if (sizeof(off_t) > sizeof(size_t) && (filesize_lo) > 0) {
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if (static_cast<uint64_t>(std::numeric_limits<size_t>::max()) < static_cast<uint64_t>(filesize)) {
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// filesize could overflow in 32bit OS with 64bit off_t type
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// the filesize will be truncated if provided as a 32bit size_t
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enableMmap_ = false;
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