1 //===-- Implementation of hdestroy_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/hdestroy_r.h" 10 #include "src/__support/HashTable/table.h" 11 #include "src/__support/macros/config.h" 12 #include "src/errno/libc_errno.h" 13 14 namespace LIBC_NAMESPACE_DECL { 15 LLVM_LIBC_FUNCTION(void, hdestroy_r, (struct hsearch_data * htab)) { 16 if (htab == nullptr) { 17 libc_errno = EINVAL; 18 return; 19 } 20 internal::HashTable *table = 21 static_cast<internal::HashTable *>(htab->__opaque); 22 internal::HashTable::deallocate(table); 23 htab->__opaque = nullptr; 24 } 25 26 } // namespace LIBC_NAMESPACE_DECL 27