fix coverity issue

2017-11-18 16:30:27 +01:00
parent c770ce7a34
commit 532d9b230b
1 changed files with 5 additions and 0 deletions
--- a/src/App/Expression.cpp
+++ b/src/App/Expression.cpp
@@ -1035,9 +1035,14 @@ Expression * FunctionExpression::eval() const
    }
    case HYPOT:
    case CATH:
+        if (v2 == 0)
+            throw ExpressionError("Invalid second argument.");
        if (v1->getUnit() != v2->getUnit())
            throw ExpressionError("Units must be equal");
+
        if (args.size() > 2) {
+            if (v3 == 0)
+                throw ExpressionError("Invalid second argument.");
            if (v2->getUnit() != v3->getUnit())
                throw ExpressionError("Units must be equal");
        }