Fix a problem in printing interface names.

1 files changed, 13 insertions, 9 deletions

diff --git a/release/picobsd/tinyware/ns/ns.c b/release/picobsd/tinyware/ns/ns.c
index e8dd253..7f3db55 100644
--- a/release/picobsd/tinyware/ns/ns.c
+++ b/release/picobsd/tinyware/ns/ns.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: ns.c,v 1.4 1998/09/07 06:41:14 abial Exp $
+ * $Id: ns.c,v 1.5 1998/10/09 12:42:20 abial Exp $
  */
 
 
@@ -135,11 +135,15 @@ sock_ntop(const struct sockaddr *sa, size_t salen)
 	}
 	case AF_LINK: {
 		struct sockaddr_dl *sdl = (struct sockaddr_dl *) sa;
+		int l = sdl->sdl_nlen ;
 
-		if (sdl->sdl_nlen > 0)
-			snprintf(str, sizeof(str), "%*s",
-				 sdl->sdl_nlen, &sdl->sdl_data[0]);
-		else
+		if (l >= sizeof(str) )
+			l = sizeof(str) - 1 ;
+
+		if (l > 0) {
+			strncpy(str, &sdl->sdl_data[0], l);
+			str[l] = '\0';
+		} else
 			snprintf(str, sizeof(str), "link#%d", sdl->sdl_index);
 		return(str);
 	}
@@ -303,16 +307,15 @@ print_routing(char *proto)
 	    printf("----------------\n");
 	    printf("Name  Mtu   Network       Address            "
 		    "Ipkts Ierrs    Opkts Oerrs  Coll\n");
-	}
-	i=0;
-	for(next=if_buf;next<lim;next+=ifm->ifm_msglen) {
+	    i=0;
+	    for(next=if_buf;next<lim;next+=ifm->ifm_msglen) {
 
 		ifm=(struct if_msghdr *)next;
 		if_table[i]=(struct sockaddr *)(ifm+1);
 		ifm_table[i]=ifm;
 
 		sa = if_table[i];
-		if (iflag && sa->sa_family == AF_LINK) {
+		if (sa->sa_family == AF_LINK) {
 		    struct sockaddr_dl *sdl = (struct sockaddr_dl *) sa;
 
 		    printf("%-4s  %-5d <Link>   ",
@@ -333,6 +336,7 @@ print_routing(char *proto)
 			);
 		}
 		i++;
+	    }
 	}
 	if (!rflag) {
 		free(rt_buf);