xref: /aosp_15_r20/external/llvm-libc/src/search/hdestroy_r.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of hdestroy_r ----------------------------*- C++ -*-===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #include "src/search/hdestroy_r.h"
10*71db0c75SAndroid Build Coastguard Worker #include "src/__support/HashTable/table.h"
11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h"
12*71db0c75SAndroid Build Coastguard Worker #include "src/errno/libc_errno.h"
13*71db0c75SAndroid Build Coastguard Worker 
14*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL {
15*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(void, hdestroy_r, (struct hsearch_data * htab)) {
16*71db0c75SAndroid Build Coastguard Worker   if (htab == nullptr) {
17*71db0c75SAndroid Build Coastguard Worker     libc_errno = EINVAL;
18*71db0c75SAndroid Build Coastguard Worker     return;
19*71db0c75SAndroid Build Coastguard Worker   }
20*71db0c75SAndroid Build Coastguard Worker   internal::HashTable *table =
21*71db0c75SAndroid Build Coastguard Worker       static_cast<internal::HashTable *>(htab->__opaque);
22*71db0c75SAndroid Build Coastguard Worker   internal::HashTable::deallocate(table);
23*71db0c75SAndroid Build Coastguard Worker   htab->__opaque = nullptr;
24*71db0c75SAndroid Build Coastguard Worker }
25*71db0c75SAndroid Build Coastguard Worker 
26*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL
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