Kyle Evans
43fbd65451
diff: fix segfault with --tabsize and no/malformed argument ...
--tabsize was previously listed as optional_argument, but didn't account for
the optionality of it in the argument handling. This is irrelevant -- the
manpage doesn't indicate that the argument is optional, and indeed there's
no clear interpretation of omitting the argument because there's no other
side effect of --tabsize.
The "malformed" argument part of the header on this message is simply
referring to usage like this:
% diff --tabsize 4 A B
With an optional_argument, the argument must be attached to the parameter
directly (e.g. --tabsize=4), so the argument is effectively NULL with the
above invocation as if no argument had been passed.
PR: 243974
Submitted by: fehmi noyan isi <fnoyanisi yahoo com> (diff.c portion)
MFC after: 3 days
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43fbd65451