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From "Henri Yandell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (IO-117) EndianUtils.readSwappedUnsignedInteger() may return a negative number
Date Thu, 03 May 2007 19:29:15 GMT

     [ https://issues.apache.org/jira/browse/IO-117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Henri Yandell updated IO-117:
-----------------------------

    Fix Version/s: 1.4

> EndianUtils.readSwappedUnsignedInteger() may return a negative number
> ---------------------------------------------------------------------
>
>                 Key: IO-117
>                 URL: https://issues.apache.org/jira/browse/IO-117
>             Project: Commons IO
>          Issue Type: Bug
>    Affects Versions: 1.3.1
>            Reporter: Hiroshi Ikeda
>             Fix For: 1.4
>
>         Attachments: EndianUtilsTest.java, IO-117.patch
>
>
> Methods about reading unsigned-integer in class EndianUtils may return a negative number,
due to casting int to long.
> Calculations with operator & etc. are under integer in these methods so its results
are integer,
> then implicit casting the results to long keeps its positive/negative sign.

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