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On UWP targets, File::metadata().len() returns AllocationSize from FILE_STANDARD_INFO, which is the disk space allocated (rounded to cluster size), not the actual file size. A 1-byte file on a 4K-cluster NTFS volume would report len() as 4096. Use EndOfFile instead, which is the actual end-of-file position matching the non-UWP path. Signed-off-by: Sebastien Tardif <sebtardif@ncf.ca>
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Fixes #397
On UWP targets,
File::metadata().len()returned the disk allocation size instead of the actual file size.