--- researchv9/libc/gen/readdir.c	2018/04/24 17:22:00	1.1
+++ researchv9/libc/gen/readdir.c	2018/04/24 17:35:52	1.1.1.2
@@ -65,7 +65,7 @@ loop:
 		strncpy(dir.d_name, dp->d_name, ODIRSIZ);
 		dir.d_name[ODIRSIZ] = '\0'; /* insure null termination */
 		break;
-	case TSUN:
+	case TBSDSWAP:
 		np = (struct direct *)(dirp->dd_buf + dirp->dd_loc);
 		dirp->dd_loc += dir_rev2(np->d_reclen);
 		if(np->d_ino == 0)
@@ -81,6 +81,15 @@ loop:
 		dir.d_ino = (ino_t) np->d_ino;
 		strcpy(dir.d_name, np->d_name);
 		break;
+	case TOLDSWAP:
+		dp = (struct olddirect *)(dirp->dd_buf + dirp->dd_loc);
+		dirp->dd_loc += sizeof(struct olddirect);
+		if (dp->d_ino == 0)
+			goto loop;
+		dir.d_ino = (ino_t) dir_rev2(dp->d_ino);
+		strncpy(dir.d_name, dp->d_name, ODIRSIZ);
+		dir.d_name[ODIRSIZ] = '\0'; /* insure null termination */
+		break;
 	}
 	dir.d_namlen = strlen(dir.d_name);
 	dir.d_reclen = DIRSIZ(&dir);
@@ -88,23 +97,12 @@ loop:
 }
 
 dir_rev2(n)
-{	union {
-		short x;
-		unsigned char b[2];
-	} u;
-	u.b[1] = n & 0xff;
-	u.b[0] = (n >> 8) & 0xff;
-	return(u.x);
+{
+	return (((n & 0xff) << 8) + ((n >> 8) & 0xff));
 }
 
 dir_rev4(n)
-{	union {
-		long x;
-		unsigned char b[4];
-	} u;
-	u.b[3] = n & 0xff;
-	u.b[2] = (n >> 8) & 0xff;
-	u.b[1] = (n >> 16) & 0xff;
-	u.b[0] = (n >> 24) & 0xff;
-	return(u.x);
+{
+	return (((n & 0xff) << 24) + ((n & 0xff00) << 8) +
+		((n & 0xff0000) >> 8) + ((n >> 24) & 0xff));
 }