[Bug 14241] uudecode doesn't recognise the special decode_pathname /dev/stdout

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=14241

--- Comment #8 from Christoph Anton Mitterer <calestyo at scientia.org> ---
I should perhaps add one thing:

IMO it's okay to make features configurable, but only if the tool in question
fails kinda gracefully if it was disabled.
"Gracefully" in the sense, that the failure is not expected by POSIX, but still
detectable by checking the exit status

So for example:
if busybox' tr supports disabling character classes, fine, but only if tr then
fails with some non-zero exit status whenever it encounters such character
class.

The same would go here:
If busybox' uuencode was compiled without support for the symbol "/dev/stdout"
it should then fail whnever that string is used.

Otherwise one cannot reliably use it, when one cannot know how it was compiled.

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