bolt/deps/llvm-18.1.8/libc/src/search/hcreate_r.cpp
2025-02-14 19:21:04 +01:00

32 lines
1,023 B
C++

//===-- Implementation of hcreate_r -----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/search/hcreate_r.h"
#include "src/__support/HashTable/randomness.h"
#include "src/__support/HashTable/table.h"
#include "src/errno/libc_errno.h"
namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(int, hcreate_r,
(size_t capacity, struct hsearch_data *htab)) {
if (htab == nullptr) {
libc_errno = EINVAL;
return 0;
}
uint64_t randomness = internal::randomness::next_random_seed();
internal::HashTable *table =
internal::HashTable::allocate(capacity, randomness);
if (table == nullptr) {
libc_errno = ENOMEM;
return 0;
}
htab->__opaque = table;
return 1;
}
} // namespace LIBC_NAMESPACE