add a c function for .send and .sendc

diff --git a/lua.c b/lua.c
index 0dd4d4c..0b06a33 100644 (file)
--- a/lua.c
+++ b/lua.c
@@ -89,6 +89,19 @@ static int uh_lua_recv(lua_State *L)
        }
 }
 
+static int uh_lua_send(lua_State *L)
+{
+       const char *buf;
+       size_t len;
+
+       buf = luaL_checklstring(L, 1, &len);
+       if (len > 0)
+               len = write(STDOUT_FILENO, buf, len);
+
+       lua_pushnumber(L, len);
+       return 1;
+}
+
 static int
 uh_lua_strconvert(lua_State *L, int (*convert)(char *, int, const char *, int))
 {
@@ -138,13 +151,10 @@ static lua_State *uh_lua_state_init(void)
        /* build uhttpd api table */
        lua_newtable(L);
 
-       /* 
-        * use print as send and sendc implementation,
-        * chunked transfer is handled in the main server
-        */
-       lua_getglobal(L, "print");
-       lua_pushvalue(L, -1);
-       lua_setfield(L, -3, "send");
+       lua_pushcfunction(L, uh_lua_send);
+       lua_setfield(L, -2, "send");
+
+       lua_pushcfunction(L, uh_lua_send);
        lua_setfield(L, -2, "sendc");
 
        lua_pushcfunction(L, uh_lua_recv);