From: John Darrington <john@darrington.wattle.id.au>
Date: Sun, 7 Dec 2008 02:31:05 +0000 (+0900)
Subject: Trap some bad usage
X-Git-Tag: v0.7.1~60
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp-builds.git;a=commitdiff_plain;h=aae795eeb6eadf1381f4578b22d04001e501d32c

Trap some bad usage
---

diff --git a/lib/gtksheet/psppire-axis-impl.c b/lib/gtksheet/psppire-axis-impl.c
index be47d874..b722a87b 100644
--- a/lib/gtksheet/psppire-axis-impl.c
+++ b/lib/gtksheet/psppire-axis-impl.c
@@ -313,7 +313,12 @@ void
 psppire_axis_impl_insert (PsppireAxisImpl *a, gint posn, gint size)
 {
   struct axis_node *before = NULL;
-  struct axis_node *new_node = pool_alloc (a->pool, sizeof (*new_node));
+  struct axis_node *new_node;
+
+  g_return_if_fail ( posn < tower_height (&a->unit_tower));
+  g_return_if_fail ( posn >= 0);
+
+  new_node = pool_alloc (a->pool, sizeof (*new_node));
 
   if ( posn > 0)
     {