sync code with last improvements from OpenBSD

lib/libdrm/intel/tests/test-batch.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+TEST_FILENAME=`echo "$0" | sed 's|\.sh$||'`
+./test_decode $TEST_FILENAME
+
+ret=$?
+
+# pretty-print a diff showing what happened, and leave the dumped
+# around for possibly moving over the ref.
+if test $ret = 1; then
+    REF_FILENAME="$TEST_FILENAME-ref.txt"
+    NEW_FILENAME="$TEST_FILENAME-new.txt"
+    ./test_decode $TEST_FILENAME -dump > $NEW_FILENAME
+    if test $? = 0; then
+	echo "Differences:"
+	diff -u $REF_FILENAME $NEW_FILENAME
+    fi
+fi
+
+exit $ret