From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Mon, 10 Jan 2022 00:48:35 +0000 (-0800)
Subject: is_empty: return a C99 bool instead of an ambigous int
X-Git-Tag: 3.0.0~79^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=01a5589b979e046c8003c5edfda8bef7cd68e28d;p=graphviz

is_empty: return a C99 bool instead of an ambigous int
---

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)