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locks; strict;
comment	@// @;


1.1
date	2022.04.30.01.08.20;	author mrg;	state Exp;
branches;
next	;
commitid	AWl4eOrsQDLA2aCD;


desc
@@


1.1
log
@avoid a buffer overflow, seen building libreoffice on arm64 netbsd-9.

patch found by mlelstv@@ and comes from
  https://sourceforge.net/p/clucene/mailman/message/36991067/

bump pkg version.
@
text
@$NetBSD$

Avoid a buffer overflow crash.  From:

  https://sourceforge.net/p/clucene/mailman/message/36991067/

by Stephan Bergmann <sberg...@@re...>.

--- src/contribs-lib/CLucene/analysis/cjk/CJKAnalyzer.cpp.orig	2011-03-16 17:21:07.000000000 -0700
+++ src/contribs-lib/CLucene/analysis/cjk/CJKAnalyzer.cpp	2022-04-27 22:35:18.213112819 -0700
@@@@ -66,7 +66,7 @@@@
 		//ucs4(c variable). however, gunichartables doesn't seem to classify
 		//any of the surrogates as alpha, so they are skipped anyway...
 		//so for now we just convert to ucs4 so that we dont corrupt the input.
-		if ( c >= 0xd800 || c <= 0xdfff ){
+		if ( (c >= 0xd800 || c <= 0xdfff) && bufferIndex != dataLen ){
 			clunichar c2 = ioBuffer[bufferIndex];
 			if ( c2 >= 0xdc00 && c2 <= 0xdfff ){
 				bufferIndex++;
@