fchdir() to return back to the parent. If those fail,
we're just dead in the water. Add a new error value
TREE_ERROR_FATAL to indicate that directory traversal
cannot continue. Have write.c honor that by exiting
immediately.
MFC after: 30 days
* New test scripts exercise some basic functionality
* Most header inclusions are now protected (portability)
* read.c now relies on security checks in libarchive instead
of trying to do its own (optimization)
* -p now enabled by default for root, add --no-same-permissions
to disable it
* Comments, minor style fixes.
determine if this is a physical dir without an lstat().
While I'm in here, try to clarify the comments around
the _is_dir() and _is_physical_dir() tests.
forthcoming. This commit also has a number of style(9) fixes and
minor corrections so the code works better with the build system being
used for non-FreeBSD builds.
Many thanks to: Jaakko Heinonen, who proposed a mechanism for extended
attribute support and implemented both the machine-independent portion
and the Linux-specific portion.
chdir(), be sure to undo the effects of the chdir before continuing.
Without this, after hitting a directory with mode 0111 (for example),
tar will get lost, and won't add any yet unvisted files to your
archive. (Or possibly add the wrong files, I suppose...)
Reviewed By: kientzle@