commit - 6158c30acc3e7b210819177b293a428f50d1ede8
commit + db430c7a40e4a25805b8fc6ec4c30207f7f26591
blob - 2c496a21b300c03b6f3de6c6ecc0e5b1895ca187
blob + c8ba7a999786774e7b150e4e07744eee6f11f0d9
--- und64.c
+++ und64.c
@@ -36,7 +36,8 @@ struct datablk {
 typedef enum { DEL, SEQ, PRG, USR, REL, NTYPE } ftype;
 
 struct direntry {
-	byte	de_type:7;
+	byte	de_type:6;
+	byte	de_locked:1;		/* 1 = blocked from being scratched */
 	byte	de_closed:1;		/* 1 = properly closed file */
 	blkaddr	de_data;		/* -> struct datablk */
 	uchar	de_name[16];		/* padded with 0xA0 */
@@ -239,7 +240,7 @@ listdir(void)
 		for (i = 0; i < 8; i++) {
 			de = ((struct direntry *)db->db_data) + i;
 			t = de->de_type;
-			if (!de->de_closed && t == DEL)
+			if (t == DEL && !de->de_closed && !de->de_locked)
 				continue;
 
 			printf("%-4d \"", fromw(de->de_nblocks));
@@ -256,6 +257,8 @@ listdir(void)
 				printf("???");
 			else
 				printf("%s", typename[t]);
+			if (de->de_locked)
+				putchar('<');
 
 			putchar('\n');
 		}