X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftab.c;h=dd901493db8765896b379cdf1d3b2e3a8a7e7fa4;hb=c87fb686f323f651a1d3f3892c31bf66788916d9;hp=8afb8f0be0e3793d85675de5dc6fd5d87867e6b2;hpb=06f9ee45954e5e71fa7f6262dbf37defa1dbf996;p=pspp

diff --git a/src/tab.c b/src/tab.c
index 8afb8f0be0..dd901493db 100644
--- a/src/tab.c
+++ b/src/tab.c
@@ -210,6 +210,12 @@ void
 tab_headers (struct tab_table *table, int l, int r, int t, int b)
 {
   assert (table != NULL);
+  assert (l < table->nc);
+  assert (r < table->nc);
+  assert (t < table->nr);
+  assert (b < table->nr);
+
+
   table->l = l;
   table->r = r;
   table->t = t;