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 # define WIN32_LEAN_AND_MEAN // Reduce overhead of including windows.h 50 # include <io.h> // _mktemp_s 51 # include <windows.h> // MAX_PATH, GetTempPath, GetTempFileName 52 #else 53 # include <unistd.h> // close 54 #endif 55 56 #if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__) 57 // Newlib provides this, but in the header it's under __STRICT_ANSI__ 58 extern "C" { 59 int mkstemp(char*); 60 } 61 #endif 62 63 inline 64 std::string get_temp_file_name() 65 { 66 #if defined(__MINGW32__) 67 char Path[MAX_PATH + 1]; 68 char FN[MAX_PATH + 1]; 69 do { } while (0 == GetTempPath(MAX_PATH+1, Path)); 70 do { } while (0 == GetTempFileName(Path, "libcxx", 0, FN)); 71 return FN; 72 #elif defined(_WIN32) 73 char Name[] = "libcxx.XXXXXX"; 74 if (_mktemp_s(Name, sizeof(Name)) != 0) abort(); 75 return Name; 76 #else 77 std::string Name; 78 int FD = -1; 79 do { 80 Name = "libcxx.XXXXXX"; 81 FD = mkstemp(&Name[0]); 82 if (FD == -1 && errno == EINVAL) { 83 perror("mkstemp"); 84 abort(); 85 } 86 } while (FD == -1); 87 close(FD); 88 return Name; 89 #endif 90 } 91 92 #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR 93 inline 94 std::wstring get_wide_temp_file_name() 95 { 96 return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t> >().from_bytes( 97 get_temp_file_name()); 98 } 99 #endif // _LIBCPP_HAS_OPEN_WITH_WCHAR 100 101 #if defined(_CS_GNU_LIBC_VERSION) 102 inline bool glibc_version_less_than(char const* version) { 103 std::string test_version = std::string("glibc ") + version; 104 105 size_t n = confstr(_CS_GNU_LIBC_VERSION, nullptr, (size_t)0); 106 char *current_version = new char[n]; 107 confstr(_CS_GNU_LIBC_VERSION, current_version, n); 108 109 bool result = strverscmp(current_version, test_version.c_str()) < 0; 110 delete[] current_version; 111 return result; 112 } 113 #endif // _CS_GNU_LIBC_VERSION 114 115 #endif // PLATFORM_SUPPORT_H 116