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Posted to issues@commons.apache.org by "Gary D. Gregory (Jira)" <ji...@apache.org> on 2023/01/10 03:04:00 UTC
[jira] [Comment Edited] (COMPRESS-638) The GzipCompressorOutputStream#writeHeader method uses the ISO_8859_1 to write the file name. If the file name contains non-ISO_8859_1 characters, some unknown characters are displayed after decompression.
[ https://issues.apache.org/jira/browse/COMPRESS-638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17656390#comment-17656390 ]
Gary D. Gregory edited comment on COMPRESS-638 at 1/10/23 3:03 AM:
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Looks like no:
"If FNAME is set, an original file name is present, terminated by a zero byte. The name must consist of ISO 8859-1 (LATIN-1) characters; on operating systems using EBCDIC or any other character set for file names, the name must be translated to the ISO LATIN-1 character set."
From [https://www.ietf.org/rfc/rfc1952.txt]
Do you have other sources that indicate otherwise?
was (Author: garydgregory):
Looks like no:
"If FNAME is set, an original file name is present, terminated by a zero byte. The name must consist of ISO 8859-1 (LATIN-1) characters; on operating systems using EBCDIC or any other character set for file names, the name must be translated to the ISO LATIN-1 character set."
From [https://www.ietf.org/rfc/rfc1952.txt]
Do you have other sources that indicate otherwise?
> The GzipCompressorOutputStream#writeHeader method uses the ISO_8859_1 to write the file name. If the file name contains non-ISO_8859_1 characters, some unknown characters are displayed after decompression.
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: COMPRESS-638
> URL: https://issues.apache.org/jira/browse/COMPRESS-638
> Project: Commons Compress
> Issue Type: Bug
> Reporter: Radar wen
> Priority: Major
> Attachments: 0110.png
>
>
> The GzipCompressorOutputStream#writeHeader method uses the ISO_8859_1 to write the file name.
> If the file name contains non-ISO_8859_1 characters, some unknown characters are displayed after decompression. !0110.png!
> Can change the ISO_8859_1 to UTF-8?
> if (filename != null) {
> out.write(filename.getBytes(ISO_8859_1));
> out.write(0);
> }
>
>
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