1 files changed, 61 insertions, 0 deletions
diff --git a/src/third_party/timelib-2022.02/docs/show-tzinfo.c b/src/third_party/timelib-2022.02/docs/show-tzinfo.c
new file mode 100644
index 00000000000..642aa05bd4f
--- /dev/null
+++ b/src/third_party/timelib-2022.02/docs/show-tzinfo.c
@@ -0,0 +1,61 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Derick Rethans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "timelib.h"
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+	timelib_tzinfo *tz;
+	int dummy_error;
+
+	if (argc == 3) {
+		timelib_tzdb *db = timelib_zoneinfo(argv[2]);
+
+		if (!db) {
+			fprintf(stderr, "Cannot read timezone database in '%s'.\n", argv[2]);
+			return 2;
+		}
+
+		tz = timelib_parse_tzfile(argv[1], db, &dummy_error);
+		if (!tz) {
+			fprintf(stderr, "Cannot read timezone identifier '%s' from database in '%s'.\n", argv[1], argv[2]);
+
+			timelib_zoneinfo_dtor(db);
+			return 3;
+		}
+
+		timelib_zoneinfo_dtor(db);
+	} else {
+		tz = timelib_parse_tzfile(argv[1], timelib_builtin_db(), &dummy_error);
+		if (!tz) {
+			fprintf(stderr, "Cannot read timezone identifier '%s' from built in database.\n", argv[1]);
+			return 4;
+		}
+	}
+	timelib_dump_tzinfo(tz);
+
+	timelib_tzinfo_dtor(tz);
+
+	return 0;
+}