1//===-- Implementation of strtod ------------------------------------------===//
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/stdlib/strtod.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(double, strtod,
18 (const char *__restrict str, char **__restrict str_end)) {
19 auto result = internal::strtofloatingpoint<double>(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_DECL
30

source code of libc/src/stdlib/strtod.cpp