<rdar://problem/11052829>

Fixed a case where if you have a argument stirng that ends with a '\' character, it would infinite loop while consuming all of your memory.

Also fixed a case where non-quote terminated strings would inefficiently be handled.

llvm-svn: 152809

lldb/source/Interpreter/Args.cpp

@@ -225,6 +225,7 @@ Args::SetCommandString (const char *command)
                     {
                         case '\0':
                             arg.append (arg_piece_start);
+                            ++arg_end;
                             arg_complete = true;
                             break;
 
@@ -311,6 +312,13 @@ Args::SetCommandString (const char *command)
                             }
                             quote_char = '\0';
                         }
+                        else
+                        {
+                            // Consume the rest of the string as there was no terminating quote
+                            arg.append(arg_piece_start);
+                            arg_end = arg_piece_start + strlen(arg_piece_start);
+                            arg_complete = true;
+                        }
                     }
                     break;