diff options
| -rw-r--r-- | module/lua/ldebug.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/module/lua/ldebug.c b/module/lua/ldebug.c index 0092474c7..23e321bb1 100644 --- a/module/lua/ldebug.c +++ b/module/lua/ldebug.c @@ -111,10 +111,11 @@ static const char *upvalname (Proto *p, int uv) { static const char *findvararg (CallInfo *ci, int n, StkId *pos) { int nparams = clLvalue(ci->func)->p->numparams; - if (n >= ci->u.l.base - ci->func - nparams) + int nvararg = cast_int(ci->u.l.base - ci->func) - nparams; + if (n <= -nvararg) return NULL; /* no such vararg */ else { - *pos = ci->func + nparams + n; + *pos = ci->func + nparams - n; return "(*vararg)"; /* generic name for any vararg */ } } @@ -126,7 +127,7 @@ static const char *findlocal (lua_State *L, CallInfo *ci, int n, StkId base; if (isLua(ci)) { if (n < 0) /* access to vararg values? */ - return findvararg(ci, -n, pos); + return findvararg(ci, n, pos); else { base = ci->u.l.base; name = luaF_getlocalname(ci_func(ci)->p, n, currentpc(ci)); |