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From "spark shen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3334) [classlib][luni-native] Native Method XXX_transferImpl in luni/src/main/native/luni/unix/OSFileSystemLinux32.c did not handle endian properly
Date Tue, 13 Mar 2007 03:10:09 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480245
] 

spark shen commented on HARMONY-3334:
-------------------------------------

Verified at r517502.

> [classlib][luni-native] Native Method XXX_transferImpl in luni/src/main/native/luni/unix/OSFileSystemLinux32.c
did not handle endian properly
> ---------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-3334
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3334
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: spark shen
>         Assigned To: Paulex Yang
>         Attachments: luni_OSFileSystemLinux32_transferImpl.diff
>
>
> The bug is in luni/src/main/native/luni/unix/OSFileSystemLinux32.c, method Java_org_apache_harmony_luni_platform_OSFileSystem_transferImpl.
> Parameter Offset is jlong type. When passed to sendfile, &offset is cast to off_t*.
This will cause a lost of value on big endian machines.
> Since this value is guranteed to be inside scope of integer, we cast it to int before
passing to sendfile to overcome this problem.

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