On 3/12/21 11:50 pm, Christian Mauderer wrote: > RTEMS untar implementation had problems with overwriting or integrating > archives into existing directory structures. This patch adapts the > behavior to mimic that of a GNU tar or BSD tar and extends the tar01 > test to check for the behavior. That is: > > * If a directory structure exists, the files from the archive will be > integrated. Existing files are overwritten.
What currently happens? > * If a file exists and the archive contains a directory with the same > name, the file is removed and a directory is created. In the above > example: if l1/l2 is a file it will be overwritten with a new > directory. OK > * If a directory exists and the archive contains a file with the same > name, the directory will be replaced if it is empty. If it contains > files, the result is an error. > > * An archive also can contain only a file without the parent > directories. If in that case one of the parent directories exists as a > file extracting the archive results in an error. In the example: if > l1/l2 is a file and the archive doesn't contain the directories but > only the file l1/l2/x.txt that would be an error. > > * In case of an error, it is possible that the archive has been > partially extracted. And what was there is not recoverable. Functionally this is not a big change and so I am left wondering why the original developer(s) did not do this? I think the changes make sense and I do not think it will break any applications I know of that use this code. Chris _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel