[GNUnet-SVN] r19691 - gnunet-gtk/src/fs

[gnunet]

Author: grothoff
Date: 2012-02-04 22:28:14 +0100 (Sat, 04 Feb 2012)
New Revision: 19691

Modified:
   gnunet-gtk/src/fs/gnunet-fs-gtk_common.c
Log:
-do not try to mmap empty file

Modified: gnunet-gtk/src/fs/gnunet-fs-gtk_common.c
===================================================================
--- gnunet-gtk/src/fs/gnunet-fs-gtk_common.c    2012-02-04 21:18:27 UTC (rev 
19690)
+++ gnunet-gtk/src/fs/gnunet-fs-gtk_common.c    2012-02-04 21:28:14 UTC (rev 
19691)
@@ -210,6 +210,11 @@
     GNUNET_break (0);
     return GNUNET_SYSERR;
   }
+  if (0 == fsize)
+  {
+    /* empty file, cannot be a directory */
+    return GNUNET_SYSERR;
+  }
   if (NULL == (fh = GNUNET_DISK_file_open (filename, GNUNET_DISK_OPEN_READ,
                                           GNUNET_DISK_PERM_NONE)))
   {