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No coercion string->number in arithmetic with LUA_NOCVTS2N

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This commit is contained in:
Roberto Ierusalimschy 2019-10-08 10:29:38 -03:00
parent 6a10f03ff8
commit 6a84c32900
1 changed files with 13 additions and 0 deletions
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13
lstrlib.c
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@ -233,6 +233,17 @@ static int str_dump (lua_State *L) {
** =======================================================
*/
#if defined(LUA_NOCVTS2N) /* { */
/* no coercion from strings to numbers */
static const luaL_Reg stringmetamethods[] = {
{"__index", NULL}, /* placeholder */
{NULL, NULL}
};
#else /* }{ */
static int tonum (lua_State *L, int arg) {
if (lua_type(L, arg) == LUA_TNUMBER) { /* already a number? */
lua_pushvalue(L, arg);
@ -311,6 +322,8 @@ static const luaL_Reg stringmetamethods[] = {
{NULL, NULL}
};
#endif /* } */
/* }====================================================== */
/*