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Code Issues Wiki Activity

[208166] Avoid unnecessary arraycopy in BoundedByteBuffer

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This commit is contained in:
Martin Oberhuber 2007-10-31 00:47:20 +00:00
parent 0e1dd48e01
commit bfc803fd98
1 changed files with 2 additions and 1 deletions
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3
org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/textcanvas/PipedInputStream.java
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@ -9,6 +9,7 @@
* Michael Scharf (Wind River) - initial API and implementation * Michael Scharf (Wind River) - initial API and implementation
* Douglas Lea (Addison Wesley) - [cq:1552] BoundedBufferWithStateTracking adapted to BoundedByteBuffer * Douglas Lea (Addison Wesley) - [cq:1552] BoundedBufferWithStateTracking adapted to BoundedByteBuffer
* Martin Oberhuber (Wind River) - the waitForAvailable method * Martin Oberhuber (Wind River) - the waitForAvailable method
* Martin Oberhuber (Wind River) - [208166] Avoid unnecessary arraycopy in BoundedByteBuffer
*******************************************************************************/ *******************************************************************************/
package org.eclipse.tm.internal.terminal.textcanvas; package org.eclipse.tm.internal.terminal.textcanvas;
@ -100,7 +101,7 @@ public class PipedInputStream extends InputStream {
wait(); wait();
int n = Math.min(len, fBuffer.length - fPutPos); int n = Math.min(len, fBuffer.length - fPutPos);
System.arraycopy(b, off, fBuffer, fPutPos, n); System.arraycopy(b, off, fBuffer, fPutPos, n);
if (fPutPos + len > n) if (fPutPos + len > fBuffer.length)
System.arraycopy(b, off + n, fBuffer, 0, len - n); System.arraycopy(b, off + n, fBuffer, 0, len - n);
fPutPos = (fPutPos + len) % fBuffer.length; // cyclically increment fPutPos = (fPutPos + len) % fBuffer.length; // cyclically increment
boolean wasEmpty = fUsedSlots == 0; boolean wasEmpty = fUsedSlots == 0;