misc changes #1981
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misc changes #1981
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also check for `outlen < 3` since the function unconditionally writes at least 3 bytes.
the open() might fail and then dup2 will be called with -1 fd. clang-tidy complains about this. just open "/dev/null" once at program startup, check the result, and then reuse that fd throughout.
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A couple misc changes. Shouldn't result in any functional change.