1 files changed, 36 insertions, 0 deletions
diff --git a/linux/fs_parser.c b/linux/fs_parser.c
new file mode 100644
index 00000000..b1cd0c72
--- /dev/null
+++ b/linux/fs_parser.c
@@ -0,0 +1,36 @@
+
+#include <linux/kernel.h>
+#include <linux/fs_parser.h>
+#include <string.h>
+
+const struct constant_table bool_names[] = {
+	{ "0",		false },
+	{ "1",		true },
+	{ "false",	false },
+	{ "no",		false },
+	{ "true",	true },
+	{ "yes",	true },
+	{ },
+};
+
+static const struct constant_table *
+__lookup_constant(const struct constant_table *tbl, const char *name)
+{
+	for ( ; tbl->name; tbl++)
+		if (strcmp(name, tbl->name) == 0)
+			return tbl;
+	return NULL;
+}
+
+/**
+ * lookup_constant - Look up a constant by name in an ordered table
+ * @tbl: The table of constants to search.
+ * @name: The name to look up.
+ * @not_found: The value to return if the name is not found.
+ */
+int lookup_constant(const struct constant_table *tbl, const char *name, int not_found)
+{
+	const struct constant_table *p = __lookup_constant(tbl, name);
+
+	return p ? p->value : not_found;
+}