#12282: Fix strcmp() will NULL argument in termcap library
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Reporter: jdemeyer | Owner: tbd
Type: defect | Status: needs_review
Priority: blocker | Milestone: sage-4.8
Component: packages | Keywords: sd35.5
Work_issues: | Upstream: Reported upstream. Little or no
feedback.
Reviewer: | Author: Jeroen Demeyer
Merged: | Dependencies:
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Comment(by jdemeyer):
Replying to [comment:10 wjp]:
> I'm not sure how you triggered this error in sage (and therefore if the
actual behaviour is really relevant)
There is more info at #11970. It's a combination of the new readline spkg
at #11970 and the patch at #12263, and it also depends on the gcc version.
> but are you sure this is the right behaviour when TERM is unset? I'd
probably expect an unset TERM to behave the same as an empty TERM.
In practice, this will be the case. The `tgetent()` code checks whether
the argument `char *term` equals the environment variable "TERM".
Normally, `term` will not be the empty string. But you are certainly
right that
{{{
term_name = getenv("TERM");
if (!term_name)
term_name = "";
}}}
would also work.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12282#comment:11>
Sage <http://www.sagemath.org>
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