From 01a5589b979e046c8003c5edfda8bef7cd68e28d Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 9 Jan 2022 16:48:35 -0800
Subject: [PATCH] is_empty: return a C99 bool instead of an ambigous int

---
 lib/dotgen/rank.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/dotgen/rank.c b/lib/dotgen/rank.c
index 44862a757..8f9a14416 100644
--- a/lib/dotgen/rank.c
+++ b/lib/dotgen/rank.c
@@ -601,9 +601,8 @@ static void set_parent(graph_t* g, graph_t* p)
     node_induce(p, g);
 }
 
-static int is_empty(graph_t * g)
-{
-    return (!agfstnode(g));
+static bool is_empty(graph_t *g) {
+    return !agfstnode(g);
 }
 
 static bool is_a_strong_cluster(graph_t * g)
-- 
2.40.0