Message ID | CABc96T_DNYxNsqKqdsVw7-x8uVc05_fB0BcHfJU5rv-VtFUv7A@mail.gmail.com |
---|---|
State | New |
Headers | show |
>>>>> "Jie" == Jie Liu <lj8175@gmail.com> writes:
Jie> + if(str == NULL)
Jie> + throw new NullPointerException();
Jie> +
Jie> int length = str->length();
Why doesn't 'str->length()' throw the NPE?
Tom
Index: natVMDouble.cc =================================================================== --- natVMDouble.cc (revision 172224) +++ natVMDouble.cc (working copy) @@ -19,6 +19,7 @@ #include <java/lang/VMDouble.h> #include <java/lang/Character.h> #include <java/lang/NumberFormatException.h> +#include <java/lang/NullPointerException.h> #include <jvm.h> #include <stdio.h> @@ -162,6 +163,9 @@ jdouble java::lang::VMDouble::parseDouble(jstring str) { + if(str == NULL) + throw new NullPointerException(); + int length = str->length(); while (length > 0