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https://issues.apache.org/jira/browse/COMPRESS-459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16536739#comment-16536739
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ASF GitHub Bot commented on COMPRESS-459:
-----------------------------------------
Github user coveralls commented on the issue:
https://github.com/apache/commons-compress/pull/67
[](https://coveralls.io/builds/17891202)
Coverage increased (+0.002%) to 86.355% when pulling
**715352d3343358539a40b9623a9a00beb115ff30 on
ctron:feature/fix_COMPRESS_459_1** into
**f5330f7e667f5a7245c8a5f3007cda04554c5fe2 on apache:master**.
> CPIO fails decoding multibyte name entries
> ------------------------------------------
>
> Key: COMPRESS-459
> URL: https://issues.apache.org/jira/browse/COMPRESS-459
> Project: Commons Compress
> Issue Type: Bug
> Components: Compressors
> Affects Versions: 1.9, 1.17
> Reporter: Jens Reimann
> Priority: Major
>
> Having a CPIO archive in (e.g. UTF-8) mode and having a name entry with a
> name containing multi-byte characters the decoder fails.
> The problem IMHO is the "getHeaderPadCount" method, which assumes a single
> byte per character:
>
> {code:java}
> public int getHeaderPadCount(){
> if (this.alignmentBoundary == 0) { return 0; }
> int size = this.headerSize + 1; // Name has terminating null
> if (name != null) {
> size += name.length();
> }
> final int remain = size % this.alignmentBoundary;
> if (remain > 0){
> return this.alignmentBoundary - remain;
> }
> return 0;
> }
> {code}
> However this may (or may not) be true for UTF-8.
>
> Also it wouldn't be enough to call "String#getBytes(…)" as this might already
> transform the underlying bytes.
> The proper solution would be to provide the name size, as read from the CPIO
> stream, and pass it to the entry.
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