Re: [PATCH v3] Fix variadic type mismatch in pushutfchar -- passes long but %U expects unsigned long

c89/c90 ANSI:
lua_pushfstring(L, "%lu", (unsigned long)code);



Em quarta-feira, 25 de fevereiro de 2026 às 14:22:24 UTC-3, Halalaluyafail3 
escreveu:

> I think the code is fine as is, because va_arg allows mixing corresponding 
> singed and unsigned types as long as the value is representable in both 
> types. 
>
> On Wednesday, February 25, 2026 at 11:12:01 AM UTC-5 Weixie Cui wrote:
>
> From: Weixie Cui <[email protected]> 
>
> --- 
> lutf8lib.c | 2 +- 
> 1 file changed, 1 insertion(+), 1 deletion(-) 
>
> diff --git a/lutf8lib.c b/lutf8lib.c 
> index b7f3fe1e..732f51b0 100644 
> --- a/lutf8lib.c 
> +++ b/lutf8lib.c 
> @@ -146,7 +146,7 @@ static int codepoint (lua_State *L) { 
> static void pushutfchar (lua_State *L, int arg) { 
> lua_Unsigned code = (lua_Unsigned)luaL_checkinteger(L, arg); 
> luaL_argcheck(L, code <= MAXUTF, arg, "value out of range"); 
> - lua_pushfstring(L, "%U", (long)code); 
> + lua_pushfstring(L, "%U", (unsigned long)code); 
> } 
>
>
> -- 
> 2.39.5 (Apple Git-154) 
>
>

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