From 0c06409c9d75d6f4560778113db834ae6e03591c Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Tue, 17 Mar 2020 16:02:38 +0000
Subject: [PATCH] getopt is not required to set optarg to NULL when there is no
 argument and some do not, so set it explicitly each time.

---
 arguments.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arguments.c b/arguments.c
index 026272af..e2d18980 100644
--- a/arguments.c
+++ b/arguments.c
@@ -74,6 +74,7 @@ args_parse(const char *template, int argc, char **argv)
 
 	optreset = 1;
 	optind = 1;
+	optarg = NULL;
 
 	while ((opt = getopt(argc, argv, template)) != -1) {
 		if (opt < 0)
@@ -83,6 +84,7 @@ args_parse(const char *template, int argc, char **argv)
 			return (NULL);
 		}
 		args_set(args, opt, optarg);
+		optarg = NULL;
 	}
 	argc -= optind;
 	argv += optind;