cbfstool: Import minimal set of files from flashmap

flashmap was developed in a separate repository until now.
Import the files from the 2012 version of the project [1].

[1] https://code.google.com/p/flashmap

BUG=chromium:461875
TEST=None
BRANCH=None

Change-Id: Ida33f81509abc1cf2e532435adbbf31919d96bd8
Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Commit-Id: f44e1d1864babe244f07ca49655f0b80b84e890d
Original-Change-Id: Ibf191d34df738449c9b9d7ebccca3d7f4150d4d3
Original-Signed-off-by: Sol Boucher <solb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/254801
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9940
Tested-by: build bot (Jenkins)

util/cbfstool/flashmap/valstr.c

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2010, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <inttypes.h>
+#include <string.h>
+
+#include <valstr.h>
+
+const char *val2str_default(uint32_t val, const struct valstr *vs,
+                            const char *def_str)
+{
+	int i;
+
+	for (i = 0; vs[i].str; i++) {
+		if (vs[i].val == val)
+			return vs[i].str;
+	}
+
+	return def_str;
+}
+
+const char *val2str(uint32_t val, const struct valstr *vs)
+{
+	return val2str_default(val, vs, "Unknown");
+}
+
+uint32_t str2val(const char *str, const struct valstr *vs)
+{
+	int i;
+
+	for (i = 0; vs[i].str; i++) {
+		if (strcasecmp(vs[i].str, str) == 0)
+			return vs[i].val;
+	}
+
+	return vs[i].val;
+}