--- gdbm-1.8.0/gdbmopen.c.jbj	Tue Aug 10 10:57:38 1999
+++ gdbm-1.8.0/gdbmopen.c	Tue Aug 10 10:59:06 1999
@@ -214,7 +214,7 @@
 	file_block_size = block_size;
 
       /* Get space for the file header. */
-      dbf->header = (gdbm_file_header *) malloc (file_block_size);
+      dbf->header = (gdbm_file_header *) calloc (1, file_block_size);
       if (dbf->header == NULL)
 	{
 	  gdbm_close (dbf);