1 files changed, 8 insertions, 1 deletions
diff --git a/usergen b/usergen
index d4b89c4..1f02478 100755
--- a/usergen
+++ b/usergen
@@ -17,6 +17,13 @@ to_bin()
     sed -e 's,\([0-9a-f]\{2\}\),\\\\\\x\1,g' | xargs printf
 }
 
+mktemp_posix()
+{
+    m4 <<EOF
+mkstemp(${TMPDIR:-/tmp}/tmp.XXXXXX)
+EOF
+}
+
 if [ $# != 1 ]; then
     usage >&2
     exit 1
@@ -68,7 +75,7 @@ do
 done
 
 echo >&2
-TMP=$(mktemp)
+TMP=$(mktemp_posix)
 
 cleanup()
 {