correct calculation of free space

git-svn-id: svn+ssh://llin/home/dpavlin/private/svn/BackupPC/trunk@341 8392b6e1-25fa-0310-8288-cc32f8e212ea

diff --git a/bin/BackupPC_burnArchiveCLI b/bin/BackupPC_burnArchiveCLI
index 46694f3..f8845d4 100755 (executable)
--- a/bin/BackupPC_burnArchiveCLI
+++ b/bin/BackupPC_burnArchiveCLI
@@ -406,9 +406,10 @@ foreach my $copy_nr ( 1 .. $copies ) {
 
                # check available disk space
 
-               my $df = df($iso_dir);
+               my $df = df($iso_dir)->{bavail} || die "can't get free space on $iso_dir";
+               $df *= 1024;    # calulate space in bytes
                if ($df < $v_size) {
-                       warn "ABORTED: not enough disk space to create ISO ! [need ", fmt_mb($v_size), " have ", fmt_mb( df($iso_dir) ), "]\n";
+                       warn "ABORTED: not enough disk space to create ISO ! [need ", fmt_mb($v_size), " have ", fmt_mb( $df ), " on $iso_dir]\n";
                        next;
                }