From: sbh <sergey.belash@opencascade.com>
Date: Thu, 23 Apr 2015 11:04:22 +0000 (+0300)
Subject: Fix for crash on clearing of the parameter name field
X-Git-Tag: V_1.2.0~110^2~3^2~4
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=0f1b12688ddc7f29c6325d0236c4123316bfb2ff;p=modules%2Fshaper.git

Fix for crash on clearing of the parameter name field
---

diff --git a/src/ParametersPlugin/ParametersPlugin_Validators.cpp b/src/ParametersPlugin/ParametersPlugin_Validators.cpp
index 788e16398..d15102d64 100644
--- a/src/ParametersPlugin/ParametersPlugin_Validators.cpp
+++ b/src/ParametersPlugin/ParametersPlugin_Validators.cpp
@@ -29,6 +29,8 @@ bool ParametersPlugin_VariableValidator::isValid(const AttributePtr& theAttribut
 
 bool ParametersPlugin_VariableValidator::isVariable(const std::string& theString) const
 {
+  if (theString.empty())
+    return false;
   std::string::const_iterator it = theString.begin();
   if (!(isalpha(*it) || (*it) == '_') || it == theString.end())
     return false;