$OpenBSD: patch-tar_c,v 1.1 2004/05/11 13:20:29 lebel Exp $
--- tar.c.orig	2001-12-06 05:55:34.000000000 +0100
+++ tar.c	2004-05-10 21:37:30.000000000 +0200
@@ -27,6 +27,7 @@
 #include "tarhdr.h"
 
 static void to_oct ();
+static void to_oct_no_nul ();
 static char *stash_tar_linkname ();
 static char *stash_tar_filename ();
 
@@ -97,8 +98,8 @@ write_out_tar_header (file_hdr, out_des)
   to_oct (file_hdr->c_mode, 8, tar_hdr->mode);
   to_oct (file_hdr->c_uid, 8, tar_hdr->uid);
   to_oct (file_hdr->c_gid, 8, tar_hdr->gid);
-  to_oct (file_hdr->c_filesize, 12, tar_hdr->size);
-  to_oct (file_hdr->c_mtime, 12, tar_hdr->mtime);
+  to_oct_no_nul (file_hdr->c_filesize, 12, tar_hdr->size);
+  to_oct_no_nul (file_hdr->c_mtime, 12, tar_hdr->mtime);
 
   switch (file_hdr->c_mode & CP_IFMT)
     {
@@ -446,6 +447,21 @@ to_oct (value, digits, where)
     where[--digits] = ' ';
 }
 
+/* Convert a number into a string of octal digits.
+   Convert long VALUE into a DIGITS-digit field at WHERE,
+   including a trailing space.  DIGITS==2 means
+   1 digit, and a space.
+*/
+
+static void
+to_oct_no_nul (value, digits, where)
+     register long value;
+     register int digits;
+     register char *where;
+{
+  to_oct (value, digits + 1, where);
+}
+
 /* Return
    2 if BUF is a valid POSIX tar header (the checksum is correct
    and it has the "ustar" magic string),
