[ 
https://issues.apache.org/jira/browse/BCEL-37?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Emmanuel Bourg updated BCEL-37:
-------------------------------

      Description: 
Hi

Pass2Verifier.validJavaIdentifier must check the length of the parameter "name" 
otherwise an OutOfRange exception occurs when name.length() == 0. Here is the 
patch.

{code}
Index: Pass2Verifier.java
===================================================================
RCS 
file: /cvsroot/bcel/JustIce/de/fub/bytecode/verifier/statics/Pass2Verifier.java,
v
retrieving revision 1.69
diff -u -r1.69 Pass2Verifier.java
--- Pass2Verifier.java  12 Sep 2001 12:56:15 -0000      1.69
+++ Pass2Verifier.java  13 Jan 2004 11:12:40 -0000
@@ -1222,6 +1222,7 @@
         * represents a valid Java identifier (so-called simple name).
         */
        private static boolean validJavaIdentifier(String name){
+               if  (name.length() == 0) return false;
                // vmspec2 2.7, vmspec2 2.2
                if (!Character.isJavaIdentifierStart(name.charAt(0))) return 
false;
{code}

Regards

FA

  was:
Hi

Pass2Verifier.validJavaIdentifier must check the length of the parameter "name" 
otherwise an OutOfRange exception occurs when name.length() == 0. Here is the 
patch.

Index: Pass2Verifier.java
===================================================================
RCS 
file: /cvsroot/bcel/JustIce/de/fub/bytecode/verifier/statics/Pass2Verifier.java,
v
retrieving revision 1.69
diff -u -r1.69 Pass2Verifier.java
--- Pass2Verifier.java  12 Sep 2001 12:56:15 -0000      1.69
+++ Pass2Verifier.java  13 Jan 2004 11:12:40 -0000
@@ -1222,6 +1222,7 @@
         * represents a valid Java identifier (so-called simple name).
         */
        private static boolean validJavaIdentifier(String name){
+               if  (name.length() == 0) return false;
                // vmspec2 2.7, vmspec2 2.2
                if (!Character.isJavaIdentifierStart(name.charAt(0))) return 
false;


Regards

FA

         Priority: Major
      Environment:     (was: Operating System: other
Platform: Other)
    Fix Version/s: 5.2
         Priority:   (was: P3)
         Severity:   (was: normal)

> OutOfRange exception in Pass2Verifier.validJavaIdentifier
> ---------------------------------------------------------
>
>                 Key: BCEL-37
>                 URL: https://issues.apache.org/jira/browse/BCEL-37
>             Project: Commons BCEL
>          Issue Type: Bug
>          Components: Main
>    Affects Versions: 5.1
>            Reporter: Francis ANDRE
>            Assignee: Apache Commons Developers
>             Fix For: 5.2
>
>
> Hi
> Pass2Verifier.validJavaIdentifier must check the length of the parameter 
> "name" otherwise an OutOfRange exception occurs when name.length() == 0. Here 
> is the patch.
> {code}
> Index: Pass2Verifier.java
> ===================================================================
> RCS 
> file: 
> /cvsroot/bcel/JustIce/de/fub/bytecode/verifier/statics/Pass2Verifier.java,
> v
> retrieving revision 1.69
> diff -u -r1.69 Pass2Verifier.java
> --- Pass2Verifier.java        12 Sep 2001 12:56:15 -0000      1.69
> +++ Pass2Verifier.java        13 Jan 2004 11:12:40 -0000
> @@ -1222,6 +1222,7 @@
>        * represents a valid Java identifier (so-called simple name).
>        */
>       private static boolean validJavaIdentifier(String name){
> +             if  (name.length() == 0) return false;
>               // vmspec2 2.7, vmspec2 2.2
>               if (!Character.isJavaIdentifierStart(name.charAt(0))) return 
> false;
> {code}
> Regards
> FA



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