On Sat, 5 Nov 2011, covener@apache.org wrote:

> Author: covener
> Date: Sat Nov  5 00:16:36 2011
> New Revision: 1197838
>
> URL: http://svn.apache.org/viewvc?rev=1197838&view=rev
> Log:
> provide ap_escape_html as r:escape_html()
>
> Modified:
>    httpd/httpd/trunk/modules/lua/lua_request.c
>
> Modified: httpd/httpd/trunk/modules/lua/lua_request.c
> URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/lua/lua_request.c?rev=1197838&r1=1197837&r2=1197838&view=diff
> ==============================================================================
> --- httpd/httpd/trunk/modules/lua/lua_request.c (original)
> +++ httpd/httpd/trunk/modules/lua/lua_request.c Sat Nov  5 00:16:36 2011
> @@ -208,6 +208,15 @@ static int req_construct_url(lua_State *
>     lua_pushstring(L, ap_construct_url(r->pool, name, r));
>     return 1;
> }
> +
> +/* wrap ap_escape_html r:escape_html(String) */
> +static char * req_escape_html(lua_State *L)
> +{
> +    request_rec *r = ap_lua_check_request_rec(L, 1);
> +    const char *s = luaL_checkstring(L, 2);
> +    lua_pushstring(L, ap_escape_html(r->pool, s));
> +    return 1;
> +}
> /* BEGIN dispatch mathods for request_rec fields */
>

Returning 1 in a function returning 'char *' is wrong. I suspect the 
prototype should be 'int'?