1 //===----------------------------------------------------------------------===// 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 // Define a bunch of macros that can be used in the tests instead of 10 // implementation defined assumptions: 11 // - locale names 12 // - floating point number string output 13 14 #ifndef PLATFORM_SUPPORT_H 15 #define PLATFORM_SUPPORT_H 16 17 // locale names 18 #ifdef _WIN32 19 // WARNING: Windows does not support UTF-8 codepages. 20 // Locales are "converted" using https://docs.moodle.org/dev/Table_of_locales 21 # define LOCALE_en_US "en-US" 22 # define LOCALE_en_US_UTF_8 "en-US" 23 # define LOCALE_cs_CZ_ISO8859_2 "cs-CZ" 24 # define LOCALE_fr_FR_UTF_8 "fr-FR" 25 # define LOCALE_fr_CA_ISO8859_1 "fr-CA" 26 # define LOCALE_ru_RU_UTF_8 "ru-RU" 27 # define LOCALE_zh_CN_UTF_8 "zh-CN" 28 #else 29 # define LOCALE_en_US "en_US" 30 # define LOCALE_en_US_UTF_8 "en_US.UTF-8" 31 # define LOCALE_fr_FR_UTF_8 "fr_FR.UTF-8" 32 # ifdef __linux__ 33 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO-8859-1" 34 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO-8859-2" 35 # else 36 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO8859-1" 37 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO8859-2" 38 # endif 39 # define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8" 40 # define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8" 41 #endif 42 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <codecvt> 46 #include <locale> 47 #include <string> 48 #if defined(_WIN32) 49 # include <io.h> // _mktemp_s 50 #else 51 # include <unistd.h> // close 52 #endif 53 54 #if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__) 55 // Newlib provides this, but in the header it's under __STRICT_ANSI__ 56 extern "C" { 57 int mkstemp(char*); 58 } 59 #endif 60 61 inline 62 std::string get_temp_file_name() 63 { 64 #if defined(_WIN32) 65 char Name[] = "libcxx.XXXXXX"; 66 if (_mktemp_s(Name, sizeof(Name)) != 0) abort(); 67 return Name; 68 #else 69 std::string Name; 70 int FD = -1; 71 do { 72 Name = "libcxx.XXXXXX"; 73 FD = mkstemp(&Name[0]); 74 if (FD == -1 && errno == EINVAL) { 75 perror("mkstemp"); 76 abort(); 77 } 78 } while (FD == -1); 79 close(FD); 80 return Name; 81 #endif 82 } 83 84 #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR 85 inline 86 std::wstring get_wide_temp_file_name() 87 { 88 return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t> >().from_bytes( 89 get_temp_file_name()); 90 } 91 #endif // _LIBCPP_HAS_OPEN_WITH_WCHAR 92 93 #if defined(_CS_GNU_LIBC_VERSION) 94 inline bool glibc_version_less_than(char const* version) { 95 std::string test_version = std::string("glibc ") + version; 96 97 size_t n = confstr(_CS_GNU_LIBC_VERSION, nullptr, (size_t)0); 98 char *current_version = new char[n]; 99 confstr(_CS_GNU_LIBC_VERSION, current_version, n); 100 101 bool result = strverscmp(current_version, test_version.c_str()) < 0; 102 delete[] current_version; 103 return result; 104 } 105 #endif // _CS_GNU_LIBC_VERSION 106 107 #endif // PLATFORM_SUPPORT_H 108