34 lines · cpp
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-exception6//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/__support/libc_errno.h"13#include "src/__support/macros/config.h"14 15namespace LIBC_NAMESPACE_DECL {16LLVM_LIBC_FUNCTION(int, hcreate_r,17 (size_t capacity, struct hsearch_data *htab)) {18 if (htab == nullptr) {19 libc_errno = EINVAL;20 return 0;21 }22 uint64_t randomness = internal::randomness::next_random_seed();23 internal::HashTable *table =24 internal::HashTable::allocate(capacity, randomness);25 if (table == nullptr) {26 libc_errno = ENOMEM;27 return 0;28 }29 htab->__opaque = table;30 return 1;31}32 33} // namespace LIBC_NAMESPACE_DECL34