Change prefix generation, simpler is better

Change-Id: Ieb4801b9162f9f8f374b352fb66bed82a8854b7f
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 5 insertions, 3 deletions

diff --git a/ctl-lib/ctl-lua.c b/ctl-lib/ctl-lua.c
index f487ed4..33b797b 100644
--- a/ctl-lib/ctl-lua.c
+++ b/ctl-lib/ctl-lua.c
@@ -1281,9 +1281,11 @@ PUBLIC int LuaConfigExec (AFB_ApiT apiHandle, const char* prefix) {
 
     // search for default policy config files
     char fullprefix[CONTROL_MAXPATH_LEN];
-    strncpy (fullprefix, prefix, strlen(prefix)+1);
-    strncat (fullprefix, "-", strlen("-"));
-    strncat (fullprefix, GetBinderName(), strlen(GetBinderName()));
+    if(prefix)
+        strncpy (fullprefix, prefix, strlen(prefix)+1);
+    else
+        strncat (fullprefix, GetBinderName(), strlen(GetBinderName()));
+
     strncat (fullprefix, "-", strlen("-"));
 
     const char *dirList= getenv("CONTROL_LUA_PATH");