| 1 | //===-- Implementation of hcreate_r -----------------------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "src/search/hcreate_r.h" |
| 10 | #include "src/__support/HashTable/randomness.h" |
| 11 | #include "src/__support/HashTable/table.h" |
| 12 | #include "src/errno/libc_errno.h" |
| 13 | |
| 14 | namespace LIBC_NAMESPACE { |
| 15 | LLVM_LIBC_FUNCTION(int, hcreate_r, |
| 16 | (size_t capacity, struct hsearch_data *htab)) { |
| 17 | if (htab == nullptr) { |
| 18 | libc_errno = EINVAL; |
| 19 | return 0; |
| 20 | } |
| 21 | uint64_t randomness = internal::randomness::next_random_seed(); |
| 22 | internal::HashTable *table = |
| 23 | internal::HashTable::allocate(capacity, randomness); |
| 24 | if (table == nullptr) { |
| 25 | libc_errno = ENOMEM; |
| 26 | return 0; |
| 27 | } |
| 28 | htab->__opaque = table; |
| 29 | return 1; |
| 30 | } |
| 31 | |
| 32 | } // namespace LIBC_NAMESPACE |
| 33 |