From 1e585cbb9208305d683c04d9e3e2eff0834117fd Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Tue, 23 Apr 2019 21:06:28 -0400
Subject: parse_control(): Make req_fields arg optional

---
(limited to 'src/control.sh')

diff --git a/src/control.sh b/src/control.sh
index 04a4c2d..6a92ff3 100644
--- a/src/control.sh
+++ b/src/control.sh
@@ -42,7 +42,9 @@ parse_control()
 	local file="${1}"
 	local field_cb="${2}"
 	local paragraph_cb="${3}"
-	local req_fields="${4}"
+	shift 3
+	local check_fields=
+	local req_fields=
 	local line_nr=
 	local in_paragraph=
 	local line=
@@ -51,6 +53,13 @@ parse_control()
 	local name=
 	local value=
 
+	check_fields='false'
+	if [ ${#} -eq 1 ]; then
+		req_fields="${1}"
+		shift 1
+		check_fields='true'
+	fi
+
 	line_nr=0
 	in_paragraph='false'
 
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