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

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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