8191516: OutputStream.write(byte[],int,int) could have fewer parameter bounds checks

Reduce parameter bounds checks from five to three as in InputStream::read

Reviewed-by: psandoz
This commit is contained in:
Brian Burkhalter 2017-11-22 08:12:45 -08:00
parent 83719bc13b
commit adb156a9b2
2 changed files with 12 additions and 17 deletions

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1994, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1994, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -164,11 +164,9 @@ public abstract class InputStream implements Closeable {
* @see java.io.InputStream#read()
*/
public int read(byte b[], int off, int len) throws IOException {
if (b == null) {
throw new NullPointerException();
} else if (off < 0 || len < 0 || len > b.length - off) {
throw new IndexOutOfBoundsException();
} else if (len == 0) {
Objects.requireNonNull(b);
Objects.checkFromIndexSize(off, len, b.length);
if (len == 0) {
return 0;
}
@ -302,8 +300,8 @@ public abstract class InputStream implements Closeable {
*/
public int readNBytes(byte[] b, int off, int len) throws IOException {
Objects.requireNonNull(b);
if (off < 0 || len < 0 || len > b.length - off)
throw new IndexOutOfBoundsException();
Objects.checkFromIndexSize(off, len, b.length);
int n = 0;
while (n < len) {
int count = read(b, off + n, len - n);