From 5994d6a559c475c6ee034c9c4fca705291b7c716 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Sat, 16 Mar 2019 16:34:44 -0400
Subject: Add braces to param exps in arith substs

---
(limited to 'src')

diff --git a/src/ob-gencontrol.sh b/src/ob-gencontrol.sh
index 943961b..36f1980 100644
--- a/src/ob-gencontrol.sh
+++ b/src/ob-gencontrol.sh
@@ -42,7 +42,7 @@ gen_control()
 		cut -d ' ' -f 1)"
 	inst_size=0
 	for size in ${sizes}; do
-		inst_size=$(($inst_size + $size))
+		inst_size=$((${inst_size} + ${size}))
 	done
 	# Convert bytes to kibibytes and round up.
 	# Note: There is an inconsistency between the Debian Policy Manual and opkg
@@ -56,7 +56,7 @@ gen_control()
 	#   pkg_size_kbs = (pkg->installed_size + 1023)/1024;
 	# TODO: Further investigate opkg's disk space calculation and, if necessary,
 	# patch opkg and submit a bug report.
-	inst_size=$((($inst_size + 1023) / 1024))
+	inst_size=$(((${inst_size} + 1023) / 1024))
 
 	mkdir -p -- "${binary}.control"
 
diff --git a/src/opkbuild.sh b/src/opkbuild.sh
index af7ce1c..43e338d 100644
--- a/src/opkbuild.sh
+++ b/src/opkbuild.sh
@@ -381,7 +381,7 @@ main()
 	fi
 
 	get_options "${@}" || return 1
-	shift $(($OPTIND - 1))
+	shift $((${OPTIND} - 1))
 	if [ ${#} -ne 0 ]; then
 		usage
 		return 1
--
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