env: Move env_get_f() to env.h

[oweals/u-boot.git] / include / env.h

diff --git a/include/env.h b/include/env.h
index b82d80de177714a32bb9547465ad8ba979a05599..19b559abf15508e39e14087e2261cbfa2361cfa9 100644 (file)
--- a/include/env.h
+++ b/include/env.h
@@ -21,6 +21,18 @@
  */
 int env_get_id(void);
 
+/**
+ * env_get_f() - Look up the value of an environment variable (early)
+ *
+ * This function is called from env_get() if the environment has not been
+ * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will
+ * support reading the value (slowly) and some will not.
+ *
+ * @varname:   Variable to look up
+ * @return value of variable, or NULL if not found
+ */
+int env_get_f(const char *name, char *buf, unsigned int len);
+
 /**
  * env_complete() - return an auto-complete for environment variables
  *