MFC r277853

Check for invalid length or more than max length for the interpreter, instead
of the validity of the string pointer holding the interpreter.

Submitted by: sson

MFC r278827

Check for required arguments before accessing argv[0] and core dumping.

MFC r277853

Check for invalid length or more than max length for the interpreter, instead
of the validity of the string pointer holding the interpreter.

Submitted by: sson

MFC r278827

Check for required arguments before accessing argv[0] and core dumping.