Hello Jeremy, in b1f8e4f8ec26ecb99e56a0ed3a5140b65ec95a97 you introduced a check for the pclose() return value in the cmdline scanner.
While this is a good idea generally, it may slightly break existing deployments. At least one cmdline scanner (avast) uses it's exit code to signal that a virus was found. Any found virus results in a 4xx error, the malware_internal() returns DEFER in such cases. There should be some option to pass error codes we ignore, or at least re-interpret av_failed as "av_failed contains the exit status of the scanner", this is IMHO compatible with the current "av_failed is BOOL" interpretation. -- Heiko
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