30 lines · cpp
1//===-- Implementation of strtof ------------------------------------------===//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/stdlib/strtof.h"10#include "src/__support/common.h"11#include "src/__support/libc_errno.h"12#include "src/__support/macros/config.h"13#include "src/__support/str_to_float.h"14 15namespace LIBC_NAMESPACE_DECL {16 17LLVM_LIBC_FUNCTION(float, strtof,18 (const char *__restrict str, char **__restrict str_end)) {19 auto result = internal::strtofloatingpoint<float>(str);20 if (result.has_error())21 libc_errno = result.error;22 23 if (str_end != nullptr)24 *str_end = const_cast<char *>(str + result.parsed_len);25 26 return result.value;27}28 29} // namespace LIBC_NAMESPACE_DECL30