From 762e32238687f0bb7a2687e39fb7145502fadf40 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Tue, 25 Oct 2011 11:36:28 +0200
Subject: [PATCH] add shellquote utility function

---
 data/PVE/Tools.pm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/data/PVE/Tools.pm b/data/PVE/Tools.pm
index 4c4e259..78d7b9f 100644
--- a/data/PVE/Tools.pm
+++ b/data/PVE/Tools.pm
@@ -687,4 +687,26 @@ sub random_ether_addr {
     return $mac;
 }
 
+sub shellquote {
+    my $str = shift;
+
+    return "''" if !defined ($str) || ($str eq '');
+    
+    die "unable to quote string containing null (\\000) bytes"
+	if $str =~ m/\x00/;
+
+    # from String::ShellQuote
+    if ($str =~ m|[^\w!%+,\-./:@^]|) {
+
+	# ' -> '\''
+	$str =~ s/'/'\\''/g;
+
+	$str = "'$str'";
+	$str =~ s/^''//;
+	$str =~ s/''$//;
+    }
+
+    return $str;
+}
+
 1;