Do not terminate when size is reduced too much.

Height of a window can be negative, when both hardstatus and caption
are turned on, and the terminal size is reduced to one-line height.
So handle those cases more gracefully.

Fixes savannah bug #29037.

2 files changed, 3 insertions, 3 deletions

diff --git a/src/ansi.c b/src/ansi.c
index d15867b..f9e0cc8 100644
--- a/src/ansi.c
+++ b/src/ansi.c
@@ -322,7 +322,7 @@ register int len;
       curr->w_monitor = MON_FOUND;
     }
 
-  if (cols && rows)
+  if (cols > 0 && rows > 0)
     {
       do
 	{
diff --git a/src/resize.c b/src/resize.c
index 553b0ed..39f6e28 100644
--- a/src/resize.c
+++ b/src/resize.c
@@ -628,8 +628,8 @@ int wi, he, hi;
   int ncx, ncy, naka, t;
   int y, shift;
 
-  if (wi == 0)
-    he = hi = 0;
+  if (wi <= 0 || he <= 0)
+    wi = he = hi = 0;
 
   if (p->w_type == W_TYPE_GROUP)
     return 0;