src: don't crash with no arguments to print

This commit prevents a segfault on `v8 print`.
nodejs · Jun 23, 2017 · 9e5d9dc · 9e5d9dc
1 parent 0905ce8
commit 9e5d9dc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/llnode.cc b/src/llnode.cc
@@ -130,7 +130,7 @@ bool BacktraceCmd::DoExecute(SBDebugger d, char** cmd,
 
 bool PrintCmd::DoExecute(SBDebugger d, char** cmd,
                          SBCommandReturnObject& result) {
-  if (*cmd == NULL) {
+  if (cmd == NULL || *cmd == NULL) {
     if (detailed_) {
       result.SetError("USAGE: v8 inspect [flags] expr\n");
     } else {