When printing a directory tree, indicate explicitly if it's empty.

[pintos-anon] / src / tests / tests.pm

diff --git a/src/tests/tests.pm b/src/tests/tests.pm
index 822e7c9b807c6050f0c48c3dce77d2c03f468f64..b12066640015c52def36b7e5e76bff11a758acde 100644 (file)
--- a/src/tests/tests.pm
+++ b/src/tests/tests.pm
@@ -444,6 +444,7 @@ sub print_fs {
        }
        print "\n";
     }
+    print "(empty)\n" if !@_;
 }
 
 # normalize_fs (%FS)
@@ -510,7 +511,7 @@ sub flatten_hierarchy {
 sub read_tar {
     my ($archive) = @_;
     my (%content);
-    open (ARCHIVE, '<', $archive) or fail "$archive: open: $1\n";
+    open (ARCHIVE, '<', $archive) or fail "$archive: open: $!\n";
     for (;;) {
        my ($header);
        if ((my $retval = sysread (ARCHIVE, $header, 512)) != 512) {