fix possible bad pointer in global vars (please test)

diff --git a/fscomm/widgets/codecwidget.cpp b/fscomm/widgets/codecwidget.cpp
index 42b10febfd9ec569788f0262a3173972bbfd2a01..2f82e1a8ccaab45947b15fe829d9f694d7d5b32e 100644 (file)
--- a/fscomm/widgets/codecwidget.cpp
+++ b/fscomm/widgets/codecwidget.cpp
@@ -131,6 +131,8 @@ void CodecWidget::setCodecString(QString codecList)
         QStringList parsed = codecList.split("{");
         QString var = parsed.at(1);
         var = var.split("}").at(0);
+               // warning switch_core_get_Variable may return an unsafe pointer in some cases.
+               // revise to use switch_core_get_variable_dup, and then free it after you are done.
         var = switch_core_get_variable(var.toAscii().data());
         if ( ! var.isEmpty() ) {
             codecList = var;