From 4bf5cad1d4f42dc8b7321e84fba8acf4ece5d6a1 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sat, 28 Aug 2021 17:53:27 -0400
Subject: datetime: Further implement

Simplify concatenation, factor out formats, and determine date if not
specified.
---
(limited to 'src/main.c')

diff --git a/src/main.c b/src/main.c
index 62e00dd..45f260f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,16 +1,39 @@
+/*
+ * Copyright (C) 2021  P. J. McDermott
+ *
+ * This file is part of @
+ *
+ * @ is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @ is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with @.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdio.h>
+#include <stdlib.h>
 #include <time.h>
 #include "datetime.h"
 
 int
-main(int argc, char *argv[])
+main(int argc, const char *argv[])
 {
 	struct tm tm;
 
-	datetime_parse(argc - 1, argv + 1, &tm);
+	if (datetime_parse(argc - 1, argv + 1, &tm) < 0) {
+		return EXIT_FAILURE;
+	}
+
 	printf("%d-%02d-%02dT%02d:%02d:%02d\n",
 			tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
 			tm.tm_hour, tm.tm_min, tm.tm_sec);
 
-	return 0;
+	return EXIT_SUCCESS;
 }
--
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