1 //===-- Implementation of ispunct------------------------------------------===// 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/ctype/ispunct.h" 10 11 #include "src/__support/common.h" 12 #include "src/__support/ctype_utils.h" 13 14 namespace LIBC_NAMESPACE { 15 16 // TODO: Currently restricted to default locale. 17 // These should be extended using locale information. 18 LLVM_LIBC_FUNCTION(int, ispunct, (int c)) { 19 const unsigned ch = static_cast<unsigned>(c); 20 return static_cast<int>(!internal::isalnum(ch) && internal::isgraph(ch)); 21 } 22 23 } // namespace LIBC_NAMESPACE 24