is_cluster: return a C99 bool instead of an ambiguous int

diff --git a/lib/dotgen/dotprocs.h b/lib/dotgen/dotprocs.h
index 6146d0e7b6aea8bfd2c701537637a86a0c48e10a..453845b2fd9a423363c45e1f2fef9ebefe229699 100644 (file)
--- a/lib/dotgen/dotprocs.h
+++ b/lib/dotgen/dotprocs.h
@@ -15,6 +15,7 @@ extern "C" {
 #endif
 
 #include <dotgen/aspect.h>
+#include <stdbool.h>
 
     extern void acyclic(Agraph_t *);
     extern void allocate_ranks(Agraph_t *);
@@ -42,7 +43,7 @@ extern "C" {
     extern int flat_edges(Agraph_t *);
     extern void install_cluster(Agraph_t *, Agnode_t *, int, nodequeue *);
     extern void install_in_rank(Agraph_t *, Agnode_t *);
-    extern int is_cluster(Agraph_t *);
+    extern bool is_cluster(Agraph_t *);
     extern void dot_compoundEdges(Agraph_t *);
     extern Agedge_t *make_aux_edge(Agnode_t *, Agnode_t *, double, int);
     extern void mark_clusters(Agraph_t *);

diff --git a/lib/dotgen/rank.c b/lib/dotgen/rank.c
index 9e132e225f32f3975f533df939db4d51ff22e3fb..44862a75752611e3335c7131b967dde9fb118bbf 100644 (file)
--- a/lib/dotgen/rank.c
+++ b/lib/dotgen/rank.c
@@ -510,9 +510,8 @@ void dot_rank(graph_t * g, aspect_t* asp)
        fprintf (stderr, "Maxrank = %d, minrank = %d\n", GD_maxrank(g), GD_minrank(g));
 }
 
-int is_cluster(graph_t * g)
+bool is_cluster(graph_t * g)
 {
-    //return (strncmp(agnameof(g), "cluster", 7) == 0);
     return is_a_cluster(g);   // from utils.c
 }