llvm-project

1
//===-- Implementation of atof --------------------------------------------===//
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/atof.h"
10
#include "src/__support/common.h"
11
#include "src/__support/str_to_float.h"
12
#include "src/errno/libc_errno.h"
13

14
namespace LIBC_NAMESPACE {
15

16
LLVM_LIBC_FUNCTION(double, atof, (const char *str)) {
17
  auto result = internal::strtofloatingpoint<double>(str);
18
  if (result.has_error())
19
    libc_errno = result.error;
20

21
  return result.value;
22
}
23

24
} // namespace LIBC_NAMESPACE
25