lint: test that labels begin at start-of-line

Some attempt at enforcing style

Change-Id: Ibbfb86402ecc57e8db6c3857c8e0193085ed4fc2
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/771
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

diff --git a/util/lint/lint-004-style-labels b/util/lint/lint-004-style-labels
new file mode 100755 (executable)
index 0000000..31ad74e
--- /dev/null
+++ b/util/lint/lint-004-style-labels
@@ -0,0 +1,22 @@
+#!/bin/sh
+# This file is part of the coreboot project.
+#
+# Copyright (C) 2012 Patrick Georgi <patrick@georgi-clan.de>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+# DESCR: Check that C labels begin at start-of-line
+
+LC_ALL=C export LC_ALL
+find src -name '*.[scS]' -exec grep '^[[:space:]][[:space:]]*[a-z][a-z]*:[[:space:]]*$' {} + |grep -v "[^a-z_]default:"