Lua API: Add path field

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

example/lua/helloworld.lua

@@ -41,6 +41,7 @@ srv:add_action("/lua", function(cl, opt)
     uh.chunk_send(cl, string.format("<h1>REMOTE_ADDR: %s</h1>", opt.peer_addr))
     uh.chunk_send(cl, string.format("<h1>METHOD: %s</h1>", opt.method))
     uh.chunk_send(cl, string.format("<h1>HTTP Version: %s</h1>", opt.version))
+    uh.chunk_send(cl, string.format("<h1>PATH: %s</h1>", opt.path))
     uh.chunk_send(cl, string.format("<h1>URL: %s</h1>", opt.url))
     uh.chunk_send(cl, string.format("<h1>QUERY: %s</h1>", opt.query))
     uh.chunk_send(cl, string.format("<h1>Body: %s</h1>", opt.body and opt.body or ""))

src/lua/uhttpd-lua.c

@@ -101,6 +101,9 @@ static void lua_uh_action(struct uh_client *cl)
     lua_pushstring(L, cl->get_version(cl));
     lua_setfield(L, -2, "version");
 
+    lua_pushstring(L, cl->get_path(cl));
+    lua_setfield(L, -2, "path");
+
     lua_pushstring(L, cl->get_url(cl));
     lua_setfield(L, -2, "url");