1 files changed, 77 insertions, 0 deletions
diff --git a/contrib/bind9/lib/export/samples/sample-gai.c b/contrib/bind9/lib/export/samples/sample-gai.c
new file mode 100644
index 000000000000..7c07f1bcbc0a
--- /dev/null
+++ b/contrib/bind9/lib/export/samples/sample-gai.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: sample-gai.c,v 1.4 2009-09-02 23:48:02 tbox Exp $ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <irs/netdb.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+static void
+do_gai(int family, char *hostname) {
+	struct addrinfo hints, *res, *res0;
+	int error;
+	char namebuf[1024], addrbuf[1024], servbuf[1024];
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = family;
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_flags = AI_CANONNAME;
+	error = getaddrinfo(hostname, "http", &hints, &res0);
+	if (error) {
+		fprintf(stderr, "getaddrinfo failed for %s,family=%d: %s\n",
+			hostname, family, gai_strerror(error));
+		return;
+	}
+
+	for (res = res0; res; res = res->ai_next) {
+		error = getnameinfo(res->ai_addr, res->ai_addrlen,
+				    addrbuf, sizeof(addrbuf),
+				    NULL, 0, NI_NUMERICHOST);
+		if (error == 0)
+			error = getnameinfo(res->ai_addr, res->ai_addrlen,
+					    namebuf, sizeof(namebuf),
+					    servbuf, sizeof(servbuf), 0);
+		if (error != 0) {
+			fprintf(stderr, "getnameinfo failed: %s\n",
+				gai_strerror(error));
+		} else {
+			printf("%s(%s/%s)=%s:%s\n", hostname,
+			       res->ai_canonname, addrbuf, namebuf, servbuf);
+		}
+	}
+
+	freeaddrinfo(res);
+}
+
+int
+main(int argc, char *argv[]) {
+	if (argc < 2)
+		exit(1);
+
+	do_gai(AF_INET, argv[1]);
+	do_gai(AF_INET6, argv[1]);
+	do_gai(AF_UNSPEC, argv[1]);
+
+	exit(0);
+}