Prevent integer underflow issue

An integer underflow may occur due to arithmetic operation (unsigned subtraction)
between variable 'lendir' and value '1', when 'lendir' is equal to '0'

Change-Id: I569ff1e74e5e923573055c345752d0f343bba529

diff --git a/ism/src/ltdl.cpp b/ism/src/ltdl.cpp
index 6223c93..5aecd6c 100644 (file)
--- a/ism/src/ltdl.cpp
+++ b/ism/src/ltdl.cpp
@@ -2630,6 +2630,7 @@ foreach_dirinpath (
           goto cleanup;
       }
 
+      assert ((int)lendir > 0);
       assert (filenamesize > (int)lendir);
       strncpy (filename, dir_name, filenamesize);