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FFI: Limit index range for complex numbers.

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This commit is contained in:
Mike Pall
2011-01-29 19:47:37 +01:00
parent 6fd721ce72
commit 992bc2caa3
2 changed files with 8 additions and 3 deletions
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6
src/lj_cdata.c
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@@ -94,10 +94,12 @@ collect_attrib:
if (ctype_ispointer(ct->info)) {
CTSize sz = lj_ctype_size(cts, ctype_cid(ct->info)); /* Element size. */
if (sz != CTSIZE_INVALID) {
if (ctype_isptr(ct->info))
if (ctype_isptr(ct->info)) {
p = (uint8_t *)cdata_getptr(p, ct->size);
else if ((ct->info & (CTF_VECTOR|CTF_COMPLEX)))
} else if ((ct->info & (CTF_VECTOR|CTF_COMPLEX))) {
if ((ct->info & CTF_COMPLEX)) idx &= 1;
*qual |= CTF_CONST; /* Valarray elements are constant. */
}
*pp = p + idx*(int32_t)sz;
return ct;
}