FFI: Fix argument checks for ffi.string().

2013-09-08 03:09:39 +02:00
parent b6ec7c7c86
commit 93c2b939bd
2 changed files with 2 additions and 2 deletions
--- a/src/lj_crecord.c
+++ b/src/lj_crecord.c
@@ -1514,7 +1514,7 @@ void LJ_FASTCALL recff_ffi_string(jit_State *J, RecordFFData *rd)
  TRef tr = J->base[0];
  if (tr) {
    TRef trlen = J->base[1];
-    if (trlen) {
+    if (!tref_isnil(trlen)) {
      trlen = crec_toint(J, cts, trlen, &rd->argv[1]);
      tr = crec_ct_tv(J, ctype_get(cts, CTID_P_CVOID), 0, tr, &rd->argv[0]);
    } else {