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shred: only run zero when the file isn't empty

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This commit is contained in:
Sylvestre Ledru 2024-03-23 10:21:20 +01:00
parent cf3fe0e566
commit 6d89f96d86
1 changed files with 5 additions and 4 deletions
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9
src/uu/shred/src/shred.rs
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@ -460,10 +460,11 @@ fn wipe_file(
pass_sequence[i * (n_passes - 1) / (n_random - 1)] = PassType::Random; pass_sequence[i * (n_passes - 1) / (n_random - 1)] = PassType::Random;
} }
} }
}
// --zero specifies whether we want one final pass of 0x00 on our file // --zero specifies whether we want one final pass of 0x00 on our file
if zero { if zero {
pass_sequence.push(PassType::Pattern(PATTERNS[0])); pass_sequence.push(PassType::Pattern(PATTERNS[0]));
}
} }
let total_passes = pass_sequence.len(); let total_passes = pass_sequence.len();