Fix TextException: gracefully handle exceptions with null text messages.

diff --git a/src/base/TextException.cc b/src/base/TextException.cc
index ef66a3793101c25d44db89e59233772a8717de6f..849acd8ce7ad2e2d70fddbe1346ca94aa9273bf8 100644 (file)
--- a/src/base/TextException.cc
+++ b/src/base/TextException.cc
@@ -17,7 +17,7 @@ TextException::TextException(const TextException& right) :
 }
 
 TextException::TextException(const char *aMsg, const char *aFileName, int aLineNo, unsigned int anId):
-        message(xstrdup(aMsg)), theFileName(aFileName), theLineNo(aLineNo), theId(anId)
+        message(aMsg?xstrdup(aMsg):NULL), theFileName(aFileName), theLineNo(aLineNo), theId(anId)
 {}
 
 TextException::~TextException() throw()