Add ability to write_tar_header to embedd extended attributes

This commit patches the tar writer to generate a PAX header with SCHILY
xattr key/value pairs if requested.

The Schily format is used for two reasons:
 - It is simple
 - It is apparently more widely supported than the libarchive format

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/tar.h b/include/tar.h
index cb56ff0..44db5fe 100644
--- a/include/tar.h
+++ b/include/tar.h
@@ -113,7 +113,8 @@ typedef struct {
   headers need to be generated.
 */
 int write_tar_header(int fd, const struct stat *sb, const char *name,
-		     const char *slink_target, unsigned int counter);
+		     const char *slink_target, const tar_xattr_t *xattr,
+		     unsigned int counter);
 
 /* calcuate and skip the zero padding */
 int skip_padding(int fd, uint64_t size);