tuntap: Do not build on non-Linux platforms.

[chiark-tcl.git] / maskmap / maskmap.c

diff --git a/maskmap/maskmap.c b/maskmap/maskmap.c
index ea2a690b6f4f4a1e78ef92497040493d9de76518..1a176818642d672626a3a7920c9566263a61497b 100644 (file)
--- a/maskmap/maskmap.c
+++ b/maskmap/maskmap.c
@@ -1,4 +1,19 @@
 /*
+ * maskmap - Tcl extension for address mask map data structures
+ * Copyright 2006-2012 Ian Jackson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "chiark_tcl_hbytes.h"
@@ -264,6 +279,7 @@ int do_addrmap_amend(ClientData cd, Tcl_Interp *ip,
 
     breaking= &am.entries[searched];
     nreplacements= new.prefix - breaking->prefixlen + 1;
+    fixme check integer overflow ^
     replacements= TALLOC(sizeof(*replacements) * nreplacements);
 
     for (fragmentlen= breaking->prefixlen + 1,