https://issues.apache.org/bugzilla/show_bug.cgi?id=49398
Summary: ByteChunk.indexOf(String, ...) behaviour with strings
of length 1
Product: Tomcat 6
Version: 6.0.26
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: minor
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: knst.koli...@gmail.com
There is a bug in implementation of the following method
org.apache.tomcat.util.buf.ByteChunk.indexOf(String src, int srcOff, int
srcLen, int myOff) in 6.0.26 and 5.5.29.
The problem is that the method can not find a string which consists of one
character, as the only successful exit from the method is from inside the loop
that checks the second and subsequent characters.
E.g., to reproduce:
byte[] bytes = "Hello\u00a0world".getBytes("ISO-8859-1");
final int len = bytes.length;
ByteChunk bc = new ByteChunk();
bc.setBytes(bytes, 0, len);
bc.indexOf("o", 0, 1, 5); // returns -1, instead of 7.
A testcase for this was added in r945230 and it was fixed in trunk in r945231
This is not observable without a testcase, because all calls to this method in
the current Tomcat 6.0.26 and 5.5.29 code pass a string of several characters.
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