* sandbox-and-launch: Describe the actual argument order.
* sandbox-and-launch, wait-pipe, wait-pipe-sandbox: Report failed
read(2) calls as read failures, not write failures.
* wait-pipe-sandbox: Terminate error messages with a newline, and fix
comments naming "." instead of the opened "/".
Signed-off-by: Günther Noack <redacted>
Sashiko has reviewed this patch and found no issues.
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Sashiko AI review · https://sashiko.dev/#/patchset/20261104-selftests-refactor-v2-0-c52f23f7ce33@gmail.com?part=22