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17 lines
477 B
Go
17 lines
477 B
Go
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//go:build linux || darwin
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package diskutil
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import "syscall"
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// FreeBytes returns the bytes available to unprivileged processes on the
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// filesystem containing path.
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func FreeBytes(path string) (uint64, error) {
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var st syscall.Statfs_t
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if err := syscall.Statfs(path, &st); err != nil {
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return 0, err
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}
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// Bavail is what non-root can use; Bsize is the fundamental block size.
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return st.Bavail * uint64(st.Bsize), nil //nolint:gosec // Bsize is a positive block size
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}
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