uci: macro uci_alloc_element not in uci.h

The macro uci_alloc_element is in the public header file uci.h. However,
the macros output refers to uci_alloc_generic wich is in uci_internal.h
and not public. Thus, uci_alloc_element should be private as well and
moved to uci_internal.h.

Signed-off-by: Jan Venekamp <jan@venekamp.net>

uci.h

@@ -613,16 +613,6 @@ BUILD_CAST(option)
 #define uci_to_option(ptr)  container_of(ptr, struct uci_option, e)
 #endif
 
-/**
- * uci_alloc_element: allocate a generic uci_element, reserve a buffer and typecast
- * @ctx: uci context
- * @type: {package,section,option}
- * @name: string containing the name of the element
- * @datasize: additional buffer size to reserve at the end of the struct
- */
-#define uci_alloc_element(ctx, type, name, datasize) \
-	uci_to_ ## type (uci_alloc_generic(ctx, uci_type_ ## type, name, sizeof(struct uci_ ## type) + datasize))
-
 #define uci_dataptr(ptr) \
 	(((char *) ptr) + sizeof(*ptr))
 

uci_internal.h

@@ -42,6 +42,9 @@ struct uci_parse_context
 #define pctx_char(pctx, i)	((pctx)->buf[(i)])
 #define pctx_cur_char(pctx)	pctx_char(pctx, pctx_pos(pctx))
 
+#define uci_alloc_element(ctx, type, name, datasize) \
+	uci_to_ ## type (uci_alloc_generic(ctx, uci_type_ ## type, name, sizeof(struct uci_ ## type) + datasize))
+
 extern const char *uci_confdir;
 extern const char *uci_savedir;