Add a new version of SCAN_Name::arg that returns a default value if the

param isn't set.

1 files changed, 8 insertions, 1 deletions

diff --git a/src/utils/scan_name.cpp b/src/utils/scan_name.cpp
index b867a0462..3425425e2 100644
--- a/src/utils/scan_name.cpp
+++ b/src/utils/scan_name.cpp
@@ -54,11 +54,18 @@ SCAN_Name::SCAN_Name(const std::string& algo_spec)
 
 std::string SCAN_Name::arg(u32bit i) const
    {
-   if(i > arg_count())
+   if(i >= arg_count())
       throw std::range_error("SCAN_Name::argument");
    return name[i+1];
    }
 
+std::string SCAN_Name::arg(u32bit i, const std::string& def_value) const
+   {
+   if(i >= arg_count())
+      return def_value;
+   return name[i+1];
+   }
+
 u32bit SCAN_Name::arg_as_u32bit(u32bit i, u32bit def_value) const
    {
    if(i >= arg_count())