1 //===-- Implementation of strtold -----------------------------------------===// 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/strtold.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(long double, strtold, 17 (const char *__restrict str, char **__restrict str_end)) { 18 auto result = internal::strtofloatingpoint<long double>(str); 19 if (result.has_error()) 20 libc_errno = result.error; 21 22 if (str_end != nullptr) 23 *str_end = const_cast<char *>(str + result.parsed_len); 24 25 return result.value; 26 } 27 28 } // namespace LIBC_NAMESPACE 29