dot.demo/demo.c: [nfc] align with C99 style and clang-format

diff --git a/dot.demo/demo.c b/dot.demo/demo.c
index 1ef35c613742ca8dbac5b8ef96800340cef478cf..498c713f08a9217a0710c4370056ae2add3ec01e 100644 (file)
--- a/dot.demo/demo.c
+++ b/dot.demo/demo.c
@@ -1,5 +1,5 @@
 /*************************************************************************
- * Copyright (c) 2011 AT&T Intellectual Property 
+ * Copyright (c) 2011 AT&T Intellectual Property
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -10,47 +10,42 @@
 
 /* Note that, with the call to gvParseArgs(), this application assumes that
  * a known layout algorithm is going to be specified. This can be done either
- * using argv[0] or requiring the user to run this code with a -K flag specifying
- * which layout to use. In the former case, after this program has been built as
- * 'demo', you will need to rename it as one of the installed layout engines such
- * as dot, neato, sfdp, etc. 
+ * using argv[0] or requiring the user to run this code with a -K flag
+ * specifying which layout to use. In the former case, after this program has
+ * been built as 'demo', you will need to rename it as one of the installed
+ * layout engines such as dot, neato, sfdp, etc.
  */
 #include <graphviz/gvc.h>
 
-int main(int argc, char **argv)
-{
-    Agraph_t *g;
-    Agnode_t *n, *m;
-    Agedge_t *e;
-    GVC_t *gvc;
+int main(int argc, char **argv) {
 
-    /* set up a graphviz context */
-    gvc = gvContext();
+  // set up a graphviz context
+  GVC_t *gvc = gvContext();
 
-    /* parse command line args - minimally argv[0] sets layout engine */
-    gvParseArgs(gvc, argc, argv);
+  // parse command line args - minimally argv[0] sets layout engine
+  gvParseArgs(gvc, argc, argv);
 
-    /* Create a simple digraph */
-    g = agopen("g", Agdirected, 0);
-    n = agnode(g, "n", 1);
-    m = agnode(g, "m", 1);
-    e = agedge(g, n, m, 0, 1);
+  // Create a simple digraph
+  Agraph_t *g = agopen("g", Agdirected, 0);
+  Agnode_t *n = agnode(g, "n", 1);
+  Agnode_t *m = agnode(g, "m", 1);
+  Agedge_t *e = agedge(g, n, m, 0, 1);
 
-    /* Set an attribute - in this case one that affects the visible rendering */
-    agsafeset(n, "color", "red", "");
+  // Set an attribute - in this case one that affects the visible rendering
+  agsafeset(n, "color", "red", "");
 
-    /* Compute a layout using layout engine from command line args */
-    gvLayoutJobs(gvc, g);
+  // Compute a layout using layout engine from command line args
+  gvLayoutJobs(gvc, g);
 
-    /* Write the graph according to -T and -o options */
-    gvRenderJobs(gvc, g);
+  // Write the graph according to -T and -o options
+  gvRenderJobs(gvc, g);
 
-    /* Free layout data */
-    gvFreeLayout(gvc, g);
+  // Free layout data
+  gvFreeLayout(gvc, g);
 
-    /* Free graph structures */
-    agclose(g);
+  // Free graph structures
+  agclose(g);
 
-    /* close output file, free context, and return number of errors */
-    return (gvFreeContext(gvc));
+  // close output file, free context, and return number of errors
+  return gvFreeContext(gvc);
 }