Add a comment explaining why we have to check for an extra \n

git-svn-id: svn://busybox.net/trunk/busybox@8727 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 3 insertions, 1 deletions

diff --git a/archival/libunarchive/get_header_ar.c b/archival/libunarchive/get_header_ar.c
index 86e0bc08f..ebb6f8cbe 100644
--- a/archival/libunarchive/get_header_ar.c
+++ b/archival/libunarchive/get_header_ar.c
@@ -47,7 +47,9 @@ extern char get_header_ar(archive_handle_t *archive_handle)
                 return(EXIT_FAILURE);
         }
 
-        /* Some ar entries have a trailing '\n' after the previous data entry */
+        /* ar header starts on an even byte (2 byte aligned)
+         * '\n' is used for padding
+         */
         if (ar.raw[0] == '\n') {
                 /* fix up the header, we started reading 1 byte too early */
                 memmove(ar.raw, &ar.raw[1], 59);