(read_header): Don't parse OLDGNU_FORMAT incremental headers

as POSIX prefixes.

diff --git a/src/list.c b/src/list.c
index a06340d5e09044cfd39c73e7211546e072821b7d..298fd002cd239a24e1923232b1651af89fdc4d93 100644 (file)
--- a/src/list.c
+++ b/src/list.c
@@ -433,8 +433,10 @@ read_header (void)
            {
              /* Accept file names as specified by POSIX.1-1996
                  section 10.1.1.  */
+             int is_posix = (strcmp (h->magic, TMAGIC) == 0);
              char *np = namebuf;
-             if (h->prefix[0])
+
+             if (is_posix && h->prefix[0])
                {
                  memcpy (np, h->prefix, sizeof h->prefix);
                  np[sizeof h->prefix] = '\0';