Initial version of Cgraph created.

diff --git a/lib/cgraph/tester.c b/lib/cgraph/tester.c
new file mode 100644 (file)
index 0000000..7ef2471
--- /dev/null
+++ b/lib/cgraph/tester.c
@@ -0,0 +1,51 @@
+/* $Id$ $Revision$ */
+/* vim:set shiftwidth=4 ts=8: */
+
+/**********************************************************
+*      This software is part of the graphviz package      *
+*                http://www.graphviz.org/                 *
+*                                                         *
+*            Copyright (c) 1994-2004 AT&T Corp.           *
+*                and is licensed under the                *
+*            Common Public License, Version 1.0           *
+*                      by AT&T Corp.                      *
+*                                                         *
+*        Information and Software Systems Research        *
+*              AT&T Research, Florham Park NJ             *
+**********************************************************/
+
+#include <assert.h>
+#include <signal.h>
+#include <stdio.h>
+#include "cgraph.h"
+
+#define NILgraph                       NIL(Agraph_t*)
+#define NILnode                                NIL(Agnode_t*)
+#define NILedge                                NIL(Agedge_t*)
+#define NILsym                         NIL(Agsym_t*)
+#define NILstr                         NIL(char*)
+
+main()
+{
+    Agraph_t *g;
+    Agnode_t *n;
+    Agedge_t *e;
+    Agsym_t *sym;
+    char *val;
+
+    while (g = agread(stdin, NIL(Agdisc_t *))) {
+#ifdef NOTDEF
+       for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
+           fprintf(stderr, "%s\n", agnameof(n));
+           for (sym = agnxtattr(g, AGNODE, 0); sym;
+                sym = agnxtattr(g, AGNODE, sym)) {
+               val = agxget(n, sym);
+               fprintf(stderr, "\t%s=%s\n", sym->name, val);
+           }
+       }
+#endif
+       sym = agattr(g, AGRAPH, "nonsense", "junk");
+       fprintf(stderr,"sym = %x, %s\n", sym, sym? sym->defval : "(none)");
+       agwrite(g, stdout);
+    }
+}