[Bug-cssc] [bug #57689] POSIX accepts spaces in get -r

[Bogdan Barbu]

Follow-up Comment #2, bug #57689 (group cssc):

I came back needing SCCS and again my scripts failed, even after all this
time. I decided to look into it myself and the issue is that in lines like the
following from get.cc:

  class CSSC_Options opts(argc, argv, "r!c!i!x!ebkl!psmngtw!a!DVG!L",
                          EXITVAL_INVALID_OPTION);

we're using "!" instead of ":" which would also accept separated options and
option arguments. However, the comment at the beginning of my-getopt.cc
suggests that this is done to preserve compatibility with the original SCCS.
If you're really set on keeping this behavior which violates POSIX I at least
propose a solution in the spirit of other GNU utilities: use ":" when the
POSIXLY_CORRECT environment variable is defined. Please.


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