1 files changed, 76 insertions, 0 deletions
diff --git a/include/env_flags.h b/include/env_flags.h
new file mode 100644
index 0000000000..bf25f2746b
--- /dev/null
+++ b/include/env_flags.h
@@ -0,0 +1,76 @@
+/*
+ * (C) Copyright 2012
+ * Joe Hershberger, National Instruments, joe.hershberger@ni.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __ENV_FLAGS_H__
+#define __ENV_FLAGS_H__
+
+enum env_flags_vartype {
+	env_flags_vartype_string,
+	env_flags_vartype_decimal,
+	env_flags_vartype_hex,
+	env_flags_vartype_bool,
+#ifdef CONFIG_CMD_NET
+	env_flags_vartype_ipaddr,
+	env_flags_vartype_macaddr,
+#endif
+	env_flags_vartype_end
+};
+
+#define ENV_FLAGS_VAR ".flags"
+#define ENV_FLAGS_ATTR_MAX_LEN 2
+#define ENV_FLAGS_VARTYPE_LOC 0
+
+#ifndef CONFIG_ENV_FLAGS_LIST_STATIC
+#define CONFIG_ENV_FLAGS_LIST_STATIC ""
+#endif
+
+#define ENV_FLAGS_LIST_STATIC \
+	CONFIG_ENV_FLAGS_LIST_STATIC
+
+/*
+ * Parse the flags string from a .flags attribute list into the vartype enum.
+ */
+enum env_flags_vartype env_flags_parse_vartype(const char *flags);
+
+#include <search.h>
+
+/*
+ * When adding a variable to the environment, initialize the flags for that
+ * variable.
+ */
+void env_flags_init(ENTRY *var_entry);
+
+/*
+ * Validate the newval for to conform with the requirements defined by its flags
+ */
+int env_flags_validate(const ENTRY *item, const char *newval, enum env_op op,
+	int flag);
+
+/*
+ * These are the binary flags used in the environment entry->flags variable to
+ * decribe properties of veriables in the table
+ */
+#define ENV_FLAGS_VARTYPE_BIN_MASK	0x00000007
+/* The actual variable type values use the enum value (within the mask) */
+
+#endif /* __ENV_FLAGS_H__ */