From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 6 Jun 2021 02:23:52 +0000 (-0700)
Subject: use a stronger return type for inBetween
X-Git-Tag: 2.47.3~9^2~5
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0adf1eb9f00923938879abe083907fae23bd24e2;p=graphviz

use a stronger return type for inBetween
---

diff --git a/lib/pathplan/visibility.c b/lib/pathplan/visibility.c
index f210e7059..f1c1c18c7 100644
--- a/lib/pathplan/visibility.c
+++ b/lib/pathplan/visibility.c
@@ -10,6 +10,7 @@
 
 
 #include <pathplan/vis.h>
+#include <stdbool.h>
 #include <stdlib.h>
 
 	/* TRANSPARENT means router sees past colinear obstacles */
@@ -68,7 +69,7 @@ int wind(Ppoint_t a, Ppoint_t b, Ppoint_t c)
 /* inBetween:
  * Return true if c is in (a,b), assuming a,b,c are collinear.
  */
-static int inBetween(Ppoint_t a, Ppoint_t b, Ppoint_t c)
+static bool inBetween(Ppoint_t a, Ppoint_t b, Ppoint_t c)
 {
     if (a.x != b.x)		/* not vertical */
 	return (a.x < c.x && c.x < b.x) || (b.x < c.x && c.x < a.x);