+trap 'rm -f ${TMPFILES}' EXIT
+
+# $1: prefix, $2: suffix
+mymktemp () {
+ tmp=$(mktemp --suffix="$2" "$1_XXXXXXXXXX" 2> /dev/null)
+ if [ -z "$tmp" ]; then
+ # mktemp failed (unsupported --suffix ?), try unsafe mode
+ tmp=$(mktemp -u "$1_XXXXXXXXXX" 2> /dev/null)
+ if [ -z "$tmp" ]; then
+ # mktemp failed again (doesn't exist ?), try very unsafe mode
+ tmp="$1_$$x$RANDOM"
+ fi
+ tmp="${tmp}$2"
+ # create temp file, and exit if it existed before
+ sh -C -c "true > \"${tmp}\"" || exit 1
+ fi
+ echo "${tmp}"
+}