From a297e50aaea292a9abcbf5a4de78a1d21b2fd0da Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Wed, 14 May 2008 18:50:53 +0200
Subject: use "echo STR|wc -c" rather than unportable "expr length STR"

* build-aux/mktempd (mktempd): Vendor-supplied expr from at least
OpenBSD 4.3 and Solaris 10 do not honor expr's "length" function.
---
 build-aux/mktempd | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'build-aux/mktempd')

diff --git a/build-aux/mktempd b/build-aux/mktempd
index 5bee3f0c76..2bb424f69e 100755
--- a/build-aux/mktempd
+++ b/build-aux/mktempd
@@ -114,7 +114,9 @@ mktempd()
   base_template=`echo "$template"|sed 's/XX*$//'`
 
   # Calculate how many X's we've just removed.
-  nx=`expr length "$template" - length "$base_template"`
+  template_length=`echo "$template" | wc -c`
+  nx=`echo "$base_template" | wc -c`
+  nx=`expr $template_length - $nx`
 
   err=
   i=1
-- 
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