1 //===-- Implementation of setlocale ---------------------------------------===// 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/locale/setlocale.h" 10 #include "hdr/locale_macros.h" 11 #include "src/__support/CPP/string_view.h" 12 #include "src/__support/common.h" 13 #include "src/__support/macros/config.h" 14 15 namespace LIBC_NAMESPACE_DECL { 16 17 LLVM_LIBC_FUNCTION(char *, setlocale, (int category, const char *locale_name)) { 18 cpp::string_view name(locale_name); 19 if (category > LC_ALL || (!name.empty() && name != "C")) 20 return nullptr; 21 22 static char locale_str[] = "C"; 23 return locale_str; 24 } 25 26 } // namespace LIBC_NAMESPACE_DECL 27