[yecht] 04/13: Fix an IOOBE - JRUBY-4254

[Miguel Landaeta]

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nomadium pushed a commit to branch master
in repository yecht.

commit 853d9041790c833bbf6c8c06d3272c759926e531
Author: Ola Bini <ola.bini at gmail.com>
Date:   Sun Nov 22 11:56:30 2009 -0800

    Fix an IOOBE - JRUBY-4254
---
 ext/ruby/src/java/org/yecht/ruby/RubyErrHandler.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ext/ruby/src/java/org/yecht/ruby/RubyErrHandler.java b/ext/ruby/src/java/org/yecht/ruby/RubyErrHandler.java
index bb758aa..452f923 100644
--- a/ext/ruby/src/java/org/yecht/ruby/RubyErrHandler.java
+++ b/ext/ruby/src/java/org/yecht/ruby/RubyErrHandler.java
@@ -25,7 +25,11 @@ public class RubyErrHandler implements ErrorHandler {
             if(lp < 0) {
                 lp = 0;
             }
-            String line = new String(p.buffer.buffer, lp, endl-lp, "ISO-8859-1");
+            int len = endl-lp;
+            if(len < 0) {
+                len = 0;
+            }
+            String line = new String(p.buffer.buffer, lp, len, "ISO-8859-1");
             String m1 = msg + " on line " + p.linect + ", col " + (p.cursor-lp) + ": `" + line + "'";
             throw runtime.newArgumentError(m1);
         } catch(java.io.UnsupportedEncodingException e) {

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