procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Based on patch from Intel's ORP team:

Browse source 
* java/io/PushbackInputStream.java (available): Calculate correct
	number of bytes in buffer.
	(read): Remove redundant bound check. Return bytes from both the
	buffer and the stream.

From-SVN: r51296
This commit is contained in:
Bryce McKinlay 2002-03-25 02:28:22 +00:00 • committed by Bryce McKinlay
parent acf9549ef9
commit 8cf29a474f
2 changed files with 18 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
libjava/ChangeLog
View file

@ -4,6 +4,12 @@
* java/io/FileInputStream.java (skip): Call fd.getFilePointer() and
calculate correct number of bytes skipped.
Based on patch from Intel's ORP team:
* java/io/PushbackInputStream.java (available): Calculate correct
number of bytes in buffer.
(read): Remove redundant bound check. Return bytes from both the
buffer and the stream.
2002-03-24 Tom Tromey <tromey@redhat.com>

19
libjava/java/io/PushbackInputStream.java
View file

@ -1,5 +1,5 @@
/* PushbackInputStream.java -- An input stream that can unread bytes
Copyright (C) 1998, 1999, 2001, 2001 Free Software Foundation, Inc.
Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -116,7 +116,7 @@ public class PushbackInputStream extends FilterInputStream
*/
public int available() throws IOException
{
return pos + super.available();
return (buf.length - pos) + super.available();
}
/**
@ -200,18 +200,23 @@ public class PushbackInputStream extends FilterInputStream
*/
public synchronized int read(byte[] b, int off, int len) throws IOException
{
if (off < 0 || len < 0 || off + len > b.length)
throw new ArrayIndexOutOfBoundsException();
int numBytes = Math.min(buf.length - pos, len);
if (numBytes > 0)
{
System.arraycopy (buf, pos, b, off, numBytes);
pos += numBytes;
return numBytes;
len -= numBytes;
off += numBytes;
}
return super.read(b, off, len);
if (len > 0)
{
len = super.read(b, off, len);
if (len == -1) // EOF
return numBytes > 0 ? numBytes : -1;
numBytes += len;
}
return numBytes;
}
/**