kinman 2003/10/16 16:53:03
Modified: util/java/org/apache/tomcat/util/buf CharChunk.java
Log:
- Avoid some copying on a common case, when a JSP page is flushing its
own buffer.
Revision Changes Path
1.9 +9 -1
jakarta-tomcat-connectors/util/java/org/apache/tomcat/util/buf/CharChunk.java
Index: CharChunk.java
===================================================================
RCS file:
/home/cvs/jakarta-tomcat-connectors/util/java/org/apache/tomcat/util/buf/CharChunk.java,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -r1.8 -r1.9
--- CharChunk.java 2 Sep 2003 21:34:38 -0000 1.8
+++ CharChunk.java 16 Oct 2003 23:53:03 -0000 1.9
@@ -290,6 +290,14 @@
end+=len;
return;
}
+
+ // Optimize on a common case.
+ // If the source is going to fill up all the space in buffer, may
+ // as well write it directly to the output, and avoid an extra copy
+ if ( len == limit && end == 0) {
+ out.realWriteChars( src, off, len );
+ return;
+ }
// if we have limit and we're below
if( len <= limit - end ) {
@@ -487,7 +495,7 @@
// limit < buf.length ( the buffer is already big )
// or we already have space XXX
- if( desiredSize < buff.length ) {
+ if( desiredSize <= buff.length ) {
return;
}
// grow in larger chunks
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