From c88414b54cc41c92122e28a9d0c2e4821a07df0f Mon Sep 17 00:00:00 2001
From: Dieter Plaetinck <dieter@plaetinck.be>
Date: Fri, 12 Dec 2008 21:40:10 +0100
Subject: implementation if iterative, dependency-resolving underlying volume
 filesystem creater

---
 src/core/libs/lib-misc.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/core/libs/lib-misc.sh')

diff --git a/src/core/libs/lib-misc.sh b/src/core/libs/lib-misc.sh
index 995307d..d04e850 100644
--- a/src/core/libs/lib-misc.sh
+++ b/src/core/libs/lib-misc.sh
@@ -45,3 +45,18 @@ wait_for ()
 	kill $(cat $ANSWER) #TODO: this may not work when mode = cli
 }
 
+
+# $1 set (array) haystack
+# $2 needle
+check_is_in ()
+{
+	[ -z "$2" ] && die_error "check_is_in needs a needle as \$2 and a haystack as \$1!"
+
+	local pattern="$1" element
+	shift
+	for element
+	do
+		[[ $element = $pattern ]] && return 0
+	done
+	return 1
+}
-- 
cgit v1.2.3-54-g00ecf