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 #elif defined(__CloudABI__) 29 // Timezones are integrated into locales through LC_TIMEZONE_MASK on 30 // CloudABI. LC_ALL_MASK can only be used if a timezone has also been 31 // provided. UTC should be all right. 32 # define LOCALE_en_US "en_US" 33 # define LOCALE_en_US_UTF_8 "en_US.UTF-8@UTC" 34 # define LOCALE_fr_FR_UTF_8 "fr_FR.UTF-8@UTC" 35 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO-8859-1@UTC" 36 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO-8859-2@UTC" 37 # define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8@UTC" 38 # define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8@UTC" 39 #else 40 # define LOCALE_en_US "en_US" 41 # define LOCALE_en_US_UTF_8 "en_US.UTF-8" 42 # define LOCALE_fr_FR_UTF_8 "fr_FR.UTF-8" 43 # ifdef __linux__ 44 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO-8859-1" 45 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO-8859-2" 46 # else 47 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO8859-1" 48 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO8859-2" 49 # endif 50 # define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8" 51 # define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8" 52 #endif 53 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <codecvt> 57 #include <locale> 58 #include <string> 59 #if defined(_WIN32) || defined(__MINGW32__) 60 # include <io.h> // _mktemp_s 61 #else 62 # include <unistd.h> // close 63 #endif 64 65 #if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__) 66 // Newlib provides this, but in the header it's under __STRICT_ANSI__ 67 extern "C" { 68 int mkstemp(char*); 69 } 70 #endif 71 72 #ifndef __CloudABI__ 73 inline 74 std::string get_temp_file_name() 75 { 76 #if defined(__MINGW32__) 77 char Path[MAX_PATH + 1]; 78 char FN[MAX_PATH + 1]; 79 do { } while (0 == GetTempPath(MAX_PATH+1, Path)); 80 do { } while (0 == GetTempFileName(Path, "libcxx", 0, FN)); 81 return FN; 82 #elif defined(_WIN32) 83 char Name[] = "libcxx.XXXXXX"; 84 if (_mktemp_s(Name, sizeof(Name)) != 0) abort(); 85 return Name; 86 #else 87 std::string Name; 88 int FD = -1; 89 do { 90 Name = "libcxx.XXXXXX"; 91 FD = mkstemp(&Name[0]); 92 if (FD == -1 && errno == EINVAL) { 93 perror("mkstemp"); 94 abort(); 95 } 96 } while (FD == -1); 97 close(FD); 98 return Name; 99 #endif 100 } 101 102 #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR 103 inline 104 std::wstring get_wide_temp_file_name() 105 { 106 return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t> >().from_bytes( 107 get_temp_file_name()); 108 } 109 #endif // _LIBCPP_HAS_OPEN_WITH_WCHAR 110 111 #endif // __CloudABI__ 112 113 #if defined(_CS_GNU_LIBC_VERSION) 114 inline bool glibc_version_less_than(char const* version) { 115 std::string test_version = std::string("glibc ") + version; 116 117 size_t n = confstr(_CS_GNU_LIBC_VERSION, nullptr, (size_t)0); 118 char *current_version = new char[n]; 119 confstr(_CS_GNU_LIBC_VERSION, current_version, n); 120 121 bool result = strverscmp(current_version, test_version.c_str()) < 0; 122 delete[] current_version; 123 return result; 124 } 125 #endif // _CS_GNU_LIBC_VERSION 126 127 #endif // PLATFORM_SUPPORT_H 128