1 //===-- Implementation of strtoull ----------------------------------------===// 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/strtoull.h" 10 #include "src/__support/common.h" 11 #include "src/__support/macros/config.h" 12 #include "src/__support/str_to_integer.h" 13 #include "src/errno/libc_errno.h" 14 15 namespace LIBC_NAMESPACE_DECL { 16 17 LLVM_LIBC_FUNCTION(unsigned long long, strtoull, 18 (const char *__restrict str, char **__restrict str_end, 19 int base)) { 20 auto result = internal::strtointeger<unsigned long long>(str, base); 21 if (result.has_error()) 22 libc_errno = result.error; 23 24 if (str_end != nullptr) 25 *str_end = const_cast<char *>(str + result.parsed_len); 26 27 return result; 28 } 29 30 } // namespace LIBC_NAMESPACE_DECL 31