src/java.base/share/classes/java/io/InputStream.java

rev 47874 : 8191516: OutputStream.write(byte[],int,int) could have fewer parameter bounds checks
Summary: Reduce parameter bounds checks from five to three as in InputStream::read
Reviewed-by: XXX
rev 47216 : 8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse

*** 1,7 ****
  /*
!  * Copyright (c) 1994, 2016, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 162,176 ****
       * <code>len</code> is negative, or <code>len</code> is greater than
       * <code>b.length - off</code>
       * @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) {
              return 0;
          }
  
          int c = read();
          if (c == -1) {
--- 162,174 ----
       * <code>len</code> is negative, or <code>len</code> is greater than
       * <code>b.length - off</code>
       * @see        java.io.InputStream#read()
       */
      public int read(byte b[], int off, int len) throws IOException {
!         Objects.requireNonNull(b);
!         Objects.checkFromIndexSize(off, len, b.length);
!         if (len == 0) {
              return 0;
          }
  
          int c = read();
          if (c == -1) {
*** 300,311 ****
       *
       * @since 9
       */
      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();
          int n = 0;
          while (n < len) {
              int count = read(b, off + n, len - n);
              if (count < 0)
                  break;
--- 298,309 ----
       *
       * @since 9
       */
      public int readNBytes(byte[] b, int off, int len) throws IOException {
          Objects.requireNonNull(b);
!         Objects.checkFromIndexSize(off, len, b.length);
! 
          int n = 0;
          while (n < len) {
              int count = read(b, off + n, len - n);
              if (count < 0)
                  break;