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