27 lines · cpp
1//===-- Implementation of mbsinit -----------------------------------------===//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/wchar/mbsinit.h"10 11#include "hdr/types/mbstate_t.h"12#include "src/__support/common.h"13#include "src/__support/macros/config.h"14#include "src/__support/wchar/character_converter.h"15#include "src/__support/wchar/mbstate.h"16 17namespace LIBC_NAMESPACE_DECL {18 19LLVM_LIBC_FUNCTION(int, mbsinit, (mbstate_t * ps)) {20 if (ps == nullptr)21 return true;22 internal::CharacterConverter cr(reinterpret_cast<internal::mbstate *>(ps));23 return cr.isValidState() && cr.isEmpty();24}25 26} // namespace LIBC_NAMESPACE_DECL27