From 2c505c160e4ada69f8663a5c42979d3633314087 Mon Sep 17 00:00:00 2001
From: ftrvxmtrx <ftrvxmtrx@gmail.com>
Date: Tue, 9 Jun 2015 23:34:36 +0200
Subject: addpt(2): document badrect function

---
 sys/man/2/addpt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sys/man/2/addpt b/sys/man/2/addpt
index 9738c51bf..4a0b4813e 100644
--- a/sys/man/2/addpt
+++ b/sys/man/2/addpt
@@ -54,6 +54,9 @@ int		rectclip(Rectangle *rp, Rectangle b)
 void		combinerect(Rectangle *rp, Rectangle b)
 .PP
 .B
+int		badrect(Rectangle r)
+.PP
+.B
 int		Dx(Rectangle r)
 .PP
 .B
@@ -176,6 +179,12 @@ with the smallest rectangle sufficient to cover all the pixels of
 and
 .BR b .
 .PP
+.I Badrect
+returns 1 if
+.I r
+is zero, negative size or insanely huge rectangle.
+It returns 0 otherwise.
+.PP
 The functions
 .I Dx
 and
-- 
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