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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=15399

'tempfile' task creates negative random numbers.

           Summary: 'tempfile' task creates negative random numbers.
           Product: Ant
           Version: 1.5.1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Minor
          Priority: Other
         Component: Core tasks
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


I've noticed that the tempfile task can generate a directory name with an
embedded '-'. The target below produces this error consistently under Java 1.3.1
, Windows 2000:

<target name="init" 
        description="setup output directories">
  <tstamp prefix="start"/>
  <tempfile property="build.dir" 
            prefix="myproj-${start.DSTAMP}${start.TSTAMP}-" 
            suffix="-build"/>
  <mkdir dir="${build.dir}"/>
</target>

One solution: in org.apache.tools.ant.util.FileUtils:createTempFile(), replace
the rand.nextInt() call with rand.nextInt( 99999 ) (or rand.nextInt(
Integer.MAX_VALUE.)

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