common/env_flags.c: Add function to validate a MAC address
The code that checks if a string has the format of a MAC address has been
moved to a separate function called eth_validate_ethaddr_str().
This has been done to allow other components (such as vsc9953 driver)
to validate a MAC address.
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@freescale.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/env_flags.h b/include/env_flags.h
index 2d2de88..8823fb9 100644
--- a/include/env_flags.h
+++ b/include/env_flags.h
@@ -109,6 +109,13 @@
*/
enum env_flags_varaccess env_flags_parse_varaccess_from_binflags(int binflags);
+#ifdef CONFIG_CMD_NET
+/*
+ * Check if a string has the format of an Ethernet MAC address
+ */
+int eth_validate_ethaddr_str(const char *addr);
+#endif
+
#ifdef USE_HOSTCC
/*
* Look up the type of a variable directly from the .flags var.