add 2 and 3 argument versions of uci.get()

diff --git a/lua/uci.c b/lua/uci.c
index 397a36df8a168b6e450dbf40ad05544a2b306ee2..00cfc0e0c3bbf7dfcc4de24964dad04e471ae924 100644 (file)
--- a/lua/uci.c
+++ b/lua/uci.c
@@ -182,19 +182,29 @@ uci_lua_get_any(lua_State *L, bool all)
 {
        struct uci_element *e = NULL;
        struct uci_package *p = NULL;
-       char *package = NULL;
-       char *section = NULL;
-       char *option = NULL;
+       const char *package = NULL;
+       const char *section = NULL;
+       const char *option = NULL;
        char *s;
        int err = UCI_ERR_MEM;
+       int n;
+
+       n = lua_gettop(L);
 
        luaL_checkstring(L, 1);
-       s = strdup(lua_tostring(L, -1));
+       s = strdup(lua_tostring(L, 1));
        if (!s)
                goto error;
 
-       if ((err = uci_parse_tuple(ctx, s, &package, &section, &option, NULL)))
-               goto error;
+       if (n > 1) {
+               package = luaL_checkstring(L, 1);
+               section = luaL_checkstring(L, 2);
+               if (n > 2)
+                       option = luaL_checkstring(L, 3);
+       } else {
+               if ((err = uci_parse_tuple(ctx, s, (char **) &package, (char **) &section, (char **) &option, NULL)))
+                       goto error;
+       }
 
        if (!all && (section == NULL)) {
                err = UCI_ERR_INVAL;