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fsutil: Defensive check for Stat cast

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Łukasz Magiera 2021-01-19 18:53:37 +01:00 committed by GitHub
parent 834a6148b0
commit 560a127ce6
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1 changed files with 4 additions and 1 deletions
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5
extern/sector-storage/fsutil/filesize_unix.go vendored
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@ -21,7 +21,10 @@ func FileSize(path string) (SizeInfo, error) {
return err return err
} }
if !info.IsDir() { if !info.IsDir() {
stat := info.Sys().(*syscall.Stat_t) stat, ok := info.Sys().(*syscall.Stat_t)
if !ok {
return xerrors.New("FileInfo.Sys of wrong type")
}
// NOTE: stat.Blocks is in 512B blocks, NOT in stat.Blksize return SizeInfo{size}, nil // NOTE: stat.Blocks is in 512B blocks, NOT in stat.Blksize return SizeInfo{size}, nil
// See https://www.gnu.org/software/libc/manual/html_node/Attribute-Meanings.html // See https://www.gnu.org/software/libc/manual/html_node/Attribute-Meanings.html