Index: libucdf/tester.c
===================================================================
--- libucdf/tester.c	(revision 35424)
+++ libucdf/tester.c	(revision 35425)
@@ -6,7 +6,7 @@
 	ucdf_direntry_t *d;
 
 	for(n = 0; n < level; n++) putc(' ', stdout);
-	printf("%s [%d] %ld @%ld\n", dir->name, dir->type, dir->size, dir->first);
+	printf("%s [%d] %c%ld @%ld\n", dir->name, dir->type, (dir->is_short ? 'S' : 'L'), dir->size, dir->first);
 	for(d = dir->children; d != NULL; d = d->next)
 		print_dir(ctx, d, level+1);
 }
Index: libucdf/ucdf.c
===================================================================
--- libucdf/ucdf.c	(revision 35424)
+++ libucdf/ucdf.c	(revision 35425)
@@ -144,8 +144,10 @@
 	safe_read(buff, 4);
 	ctx->dir_first = load_int(ctx, buff, 4);
 
-	safe_seek(60);
+	safe_seek(56);
 	safe_read(buff, 4);
+	ctx->long_stream_min_size = load_int(ctx, buff, 4);
+	safe_read(buff, 4);
 	ctx->ssat_first = load_int(ctx, buff, 4);
 	safe_read(buff, 4);
 	ctx->ssat_len = load_int(ctx, buff, 4);
@@ -290,6 +292,7 @@
 
 	utf16_to_ascii(de->name, sizeof(de->name), buf);
 	de->size  = load_int(ctx, buf+120, 4);
+	de->is_short = de->size < ctx->long_stream_min_size;
 	leftid  = load_int(ctx, buf+68, 4);
 	rightid = load_int(ctx, buf+72, 4);
 	rootid = load_int(ctx, buf+76, 4);
Index: libucdf/ucdf.h
===================================================================
--- libucdf/ucdf.h	(revision 35424)
+++ libucdf/ucdf.h	(revision 35425)
@@ -63,6 +63,7 @@
 	long dir_first;            /* first sector ID of the directory stream */
 	long ssat_len, ssat_first; /* short allocation table */
 	long msat_len, msat_first; /* master allocation table */
+	long long_stream_min_size;
 
 	long *msat;                /* the master SAT read into memory */
 	long *sat;                 /* the whole SAT assembled and read into memory; entries are indexed by sector ID and contain the next sector ID within the chain */