From 7e57eccf633603cb8b21982e1338d32675f54f2a Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Fri, 12 Nov 2021 17:18:06 -0800
Subject: [PATCH] write_plain: take a C99 bool for 'extend' parameter

---
 lib/common/output.c             | 4 ++--
 lib/common/utils.h              | 2 +-
 plugin/core/gvrender_core_dot.c | 5 +++--
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/common/output.c b/lib/common/output.c
index 1174b9ea2..c60357f2e 100644
--- a/lib/common/output.c
+++ b/lib/common/output.c
@@ -12,6 +12,7 @@
 #include <cgraph/agxbuf.h>
 #include <gvc/gvc.h>
 #include <stdarg.h>
+#include <stdbool.h>
 #include <string.h>
 
 #define YDIR(y) (Y_invert ? (Y_off - (y)) : (y))
@@ -108,8 +109,7 @@ static void writenodeandport(FILE * f, node_t * node, char *port)
 
 /* _write_plain:
  */
-void write_plain(GVJ_t * job, graph_t * g, FILE * f, boolean extend)
-{
+void write_plain(GVJ_t *job, graph_t *g, FILE *f, bool extend) {
     int i, j, splinePoints;
     char *tport, *hport;
     node_t *n;
diff --git a/lib/common/utils.h b/lib/common/utils.h
index 984accd15..80d231749 100644
--- a/lib/common/utils.h
+++ b/lib/common/utils.h
@@ -63,7 +63,7 @@ extern "C" {
                              int (*cb)(void *state, const char *s),
                              void *state);
 
-    UTILS_API void write_plain(GVJ_t * job, graph_t * g, FILE * f, boolean extend);
+    UTILS_API void write_plain(GVJ_t *job, graph_t *g, FILE *f, bool extend);
     UTILS_API double yDir (double y);
     UTILS_API char *ps_string(char *s, int);
     UTILS_API char *strdup_and_subst_obj(char *str, void *obj);
diff --git a/plugin/core/gvrender_core_dot.c b/plugin/core/gvrender_core_dot.c
index d3105371d..99e8adfa6 100644
--- a/plugin/core/gvrender_core_dot.c
+++ b/plugin/core/gvrender_core_dot.c
@@ -16,6 +16,7 @@
 
 #include <limits.h>
 #include <stdarg.h>
+#include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
@@ -524,10 +525,10 @@ static void dot_end_graph(GVJ_t *job)
     g->clos->disc.io = &io;
     switch (job->render.id) {
 	case FORMAT_PLAIN:
-	    write_plain(job, g, (FILE*)job, FALSE);
+	    write_plain(job, g, (FILE*)job, false);
 	    break;
 	case FORMAT_PLAIN_EXT:
-	    write_plain(job, g, (FILE*)job, TRUE);
+	    write_plain(job, g, (FILE*)job, true);
 	    break;
 	case FORMAT_DOT:
 	case FORMAT_CANON:
-- 
2.40.0