X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=build-aux%2Fmktempd;h=2bb424f69efd583369ad674ce89b3944f8c19953;hb=47862a3576e5699edb2662fe4b6e0410175efd62;hp=7ac914b31c992fa81532d06150cc509d26cca05e;hpb=644fb0d44a544046abd7f916efa0cfb315d2148f;p=gnulib.git

diff --git a/build-aux/mktempd b/build-aux/mktempd
index 7ac914b31..2bb424f69 100755
--- a/build-aux/mktempd
+++ b/build-aux/mktempd
@@ -44,7 +44,7 @@ rand_bytes()
   dev_rand=/dev/urandom
   if test -r "$dev_rand"; then
     # Note: 256-length($chars) == 194; 3 copies of $chars is 186 + 8 = 194.
-    head -c$n "$dev_rand" | tr -c $chars 01234567$chars$chars$chars
+    dd ibs=$n count=1 if="$dev_rand" | tr -c $chars 01234567$chars$chars$chars
     return
   fi
 
@@ -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