entwatch style, error message & variable cleanups #2
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To avoid colliding with signal-based return codes (usually 128+signum, depending on the shell).
mikemol
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Mar 29, 2012
entwatch style, error message & variable cleanups
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Mainly code style cleanups, if you're interested.
The only user-visible changes are adding the error cause if /dev/random can't be opened, and return codes of 1 instead of 255 on failure.