From e3ce88c9e850b7e79751083014699c5eae1bff31 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 23 Oct 2024 17:16:17 -0300
Subject: New function 'lua_numbertostrbuff'

It converts a Lua number to a string in a buffer, without creating
a new Lua string.
---
 lauxlib.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

(limited to 'lauxlib.c')

diff --git a/lauxlib.c b/lauxlib.c
index a36655f2..e4b12587 100644
--- a/lauxlib.c
+++ b/lauxlib.c
@@ -920,10 +920,9 @@ LUALIB_API const char *luaL_tolstring (lua_State *L, int idx, size_t *len) {
   else {
     switch (lua_type(L, idx)) {
       case LUA_TNUMBER: {
-        if (lua_isinteger(L, idx))
-          lua_pushfstring(L, "%I", (LUAI_UACINT)lua_tointeger(L, idx));
-        else
-          lua_pushfstring(L, "%f", (LUAI_UACNUMBER)lua_tonumber(L, idx));
+        char buff[LUA_N2SBUFFSZ];
+        lua_numbertostrbuff(L, idx, buff);
+        lua_pushstring(L, buff);
         break;
       }
       case LUA_TSTRING:
-- 
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