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authorDaniel Burrows <dburrows@debian.org>2009-09-09 19:49:23 -0700
committerDaniel Burrows <dburrows@debian.org>2009-09-09 19:49:23 -0700
commit42ed43743f68dbf4aa2a3efddcb3ca36d504d066 (patch)
tree5d820d8109aa87dfd4b4cd208ff3112cddfffc45 /src/generic/problemresolver/incremental_expression.h
parent5fabf3467aa30bc73abd5245a5a8643600c1a10c (diff)
downloadaptitude-42ed43743f68dbf4aa2a3efddcb3ca36d504d066.tar.gz
Don't crash when dumping information about a solver without a validity condition.
Diffstat (limited to 'src/generic/problemresolver/incremental_expression.h')
-rw-r--r--src/generic/problemresolver/incremental_expression.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/generic/problemresolver/incremental_expression.h b/src/generic/problemresolver/incremental_expression.h
index 4c6ecac7..57393ac9 100644
--- a/src/generic/problemresolver/incremental_expression.h
+++ b/src/generic/problemresolver/incremental_expression.h
@@ -658,7 +658,11 @@ template<typename T>
std::ostream &operator<<(std::ostream &out,
const cwidget::util::ref_ptr<expression<T> > &o)
{
- o->dump(out);
+ if(o.valid())
+ o->dump(out);
+ else
+ out << "(null)";
+
return out;
}