From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 21 Nov 2021 23:31:33 +0000 (-0800)
Subject: neatogen bfs: use C99 bool return types instead of boolean
X-Git-Tag: 2.50.0~11^2~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1a9f4dfcd060a560c2b6cf82d79422bc5b72cc26;p=graphviz

neatogen bfs: use C99 bool return types instead of boolean
---

diff --git a/lib/neatogen/bfs.c b/lib/neatogen/bfs.c
index 84ea8d396..61d896aae 100644
--- a/lib/neatogen/bfs.c
+++ b/lib/neatogen/bfs.c
@@ -18,6 +18,7 @@
 ******************************************/
 
 #include <neatogen/bfs.h>
+#include <stdbool.h>
 #include <stdlib.h>
 
 void bfs(int vertex, vtx_data * graph, int n, DistType * dist, Queue * Q)
@@ -129,18 +130,18 @@ void initQueue(Queue * qp, int startVertex)
     qp->end = 1;
 }
 
-boolean deQueue(Queue * qp, int *vertex)
+bool deQueue(Queue * qp, int *vertex)
 {
     if (qp->start >= qp->end)
-	return FALSE;		/* underflow */
+	return false;		/* underflow */
     *vertex = qp->data[qp->start++];
-    return TRUE;
+    return true;
 }
 
-boolean enQueue(Queue * qp, int vertex)
+bool enQueue(Queue * qp, int vertex)
 {
     if (qp->end >= qp->queueSize)
-	return FALSE;		/* overflow */
+	return false;		/* overflow */
     qp->data[qp->end++] = vertex;
-    return TRUE;
+    return true;
 }
diff --git a/lib/neatogen/bfs.h b/lib/neatogen/bfs.h
index 60169e179..f0487bd26 100644
--- a/lib/neatogen/bfs.h
+++ b/lib/neatogen/bfs.h
@@ -10,6 +10,8 @@
 
 #pragma once
 
+#include <stdbool.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -26,8 +28,8 @@ extern "C" {
     extern void mkQueue(Queue *, int);
     extern void freeQueue(Queue *);
     extern void initQueue(Queue *, int startVertex);
-    extern boolean deQueue(Queue *, int *);
-    extern boolean enQueue(Queue *, int);
+    extern bool deQueue(Queue *, int *);
+    extern bool enQueue(Queue *, int);
 
     extern void bfs(int, vtx_data *, int, DistType *, Queue *);
     extern int bfs_bounded(int, vtx_data *, int, DistType *, Queue *, int,