Use printf constructor safely

The input string might contain formatting marks, so make sure those
are ignored.

diff --git a/common/rdr/Exception.cxx b/common/rdr/Exception.cxx
index d70cd9fc7dd337c5a134278ee23caa529067166f..964bc333b0511d5e3c6b9b8722f0a513727d6c6c 100644 (file)
--- a/common/rdr/Exception.cxx
+++ b/common/rdr/Exception.cxx
@@ -50,7 +50,7 @@ Exception::Exception(const char *format, ...) {
 }
 
 SystemException::SystemException(const char* s, int err_)
-  : Exception(s), err(err_)
+  : Exception("%s", s), err(err_)
 {
   strncat(str_, ": ", len-1-strlen(str_));
 #ifdef _WIN32