From b7fc9e0f6d6105ba2203f219743d4b269415e84b Mon Sep 17 00:00:00 2001
From: An-Cheng Huang <ancheng@vyatta.com>
Date: Mon, 12 Nov 2007 13:06:02 -0800
Subject: initial import from bash_3.1dfsg.orig.tar.gz

---
 examples/functions/isvalidip | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 examples/functions/isvalidip

(limited to 'examples/functions/isvalidip')

diff --git a/examples/functions/isvalidip b/examples/functions/isvalidip
new file mode 100644
index 0000000..0b2dafe
--- /dev/null
+++ b/examples/functions/isvalidip
@@ -0,0 +1,14 @@
+# Thanks to Chris F. A. Johnson <c.f.a.johnson@rogers.com> for this one
+is_validip()
+{
+	case "$*" in
+	""|*[!0-9.]*|*[!0-9]) return 1 ;;
+	esac
+
+	local IFS=.
+	set -- $*
+
+        [ $# -eq 4 ] &&
+	    [ ${1:-666} -le 255 ] && [ ${2:-666} -le 255 ] &&
+	    [ ${3:-666} -le 255 ] && [ ${4:-666} -le 254 ]
+}
-- 
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