1 files changed, 91 insertions, 0 deletions
diff --git a/bin/tests/optional/lwresconf_test.c b/bin/tests/optional/lwresconf_test.c
new file mode 100644
index 0000000..a72b08a
--- /dev/null
+++ b/bin/tests/optional/lwresconf_test.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/util.h>
+
+#include <lwres/lwres.h>
+
+#define USE_ISC_MEM
+
+static inline void
+CHECK(int val, const char *msg) {
+	if (val != 0) {
+		fprintf(stderr, "%s returned %d\n", msg, val);
+		exit(1);
+	}
+}
+
+#ifdef USE_ISC_MEM
+/*
+ * Wrappers around our memory management stuff, for the lwres functions.
+ */
+static void *
+mem_alloc(void *arg, size_t size) {
+	return (isc_mem_get(arg, size));
+}
+
+static void
+mem_free(void *arg, void *mem, size_t size) {
+	isc_mem_put(arg, mem, size);
+}
+#endif
+
+int
+main(int argc, char *argv[]) {
+	lwres_context_t *ctx;
+	const char *file = "/etc/resolv.conf";
+	int ret;
+#ifdef USE_ISC_MEM
+	isc_mem_t *mem;
+	isc_result_t result;
+#endif
+
+	if (argc > 1) {
+		file = argv[1];
+	}
+
+#ifdef USE_ISC_MEM
+	mem = NULL;
+	result = isc_mem_create(0, 0, &mem);
+	INSIST(result == ISC_R_SUCCESS);
+#endif
+
+	ctx = NULL;
+#ifdef USE_ISC_MEM
+	ret = lwres_context_create(&ctx, mem, mem_alloc, mem_free, 0);
+#else
+	ret = lwres_context_create(&ctx, NULL, NULL, NULL, 0);
+#endif
+	CHECK(ret, "lwres_context_create");
+
+	lwres_conf_init(ctx);
+	if (lwres_conf_parse(ctx, file) == 0) {
+		lwres_conf_print(ctx, stderr);
+	} else {
+		perror("lwres_conf_parse");
+	}
+
+	lwres_conf_clear(ctx);
+	lwres_context_destroy(&ctx);
+
+#ifdef USE_ISC_MEM
+	isc_mem_stats(mem, stdout);
+	isc_mem_destroy(&mem);
+#endif
+
+	return (0);
+}