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 #define LOCALE_en_US "en_US" 19 #define LOCALE_en_US_UTF_8 "en_US.UTF-8" 20 #define LOCALE_fr_FR_UTF_8 "fr_FR.UTF-8" 21 #ifdef __linux__ 22 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO-8859-1" 23 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO-8859-2" 24 #elif defined(_WIN32) 25 # define LOCALE_fr_CA_ISO8859_1 "fr-CA" 26 # define LOCALE_cs_CZ_ISO8859_2 "cs-CZ" 27 #else 28 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO8859-1" 29 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO8859-2" 30 #endif 31 #define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8" 32 #define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8" 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <codecvt> 37 #include <locale> 38 #include <string> 39 #if defined(_WIN32) 40 # include <io.h> // _mktemp_s 41 #else 42 # include <unistd.h> // close 43 #endif 44 45 #if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__) 46 // Newlib provides this, but in the header it's under __STRICT_ANSI__ 47 extern "C" { 48 int mkstemp(char*); 49 } 50 #endif 51 52 inline 53 std::string get_temp_file_name() 54 { 55 #if defined(_WIN32) 56 char Name[] = "libcxx.XXXXXX"; 57 if (_mktemp_s(Name, sizeof(Name)) != 0) abort(); 58 return Name; 59 #else 60 std::string Name; 61 int FD = -1; 62 do { 63 Name = "libcxx.XXXXXX"; 64 FD = mkstemp(&Name[0]); 65 if (FD == -1 && errno == EINVAL) { 66 perror("mkstemp"); 67 abort(); 68 } 69 } while (FD == -1); 70 close(FD); 71 return Name; 72 #endif 73 } 74 75 #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR 76 inline 77 std::wstring get_wide_temp_file_name() 78 { 79 return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t> >().from_bytes( 80 get_temp_file_name()); 81 } 82 #endif // _LIBCPP_HAS_OPEN_WITH_WCHAR 83 84 #if defined(_CS_GNU_LIBC_VERSION) 85 inline bool glibc_version_less_than(char const* version) { 86 std::string test_version = std::string("glibc ") + version; 87 88 size_t n = confstr(_CS_GNU_LIBC_VERSION, nullptr, (size_t)0); 89 char *current_version = new char[n]; 90 confstr(_CS_GNU_LIBC_VERSION, current_version, n); 91 92 bool result = strverscmp(current_version, test_version.c_str()) < 0; 93 delete[] current_version; 94 return result; 95 } 96 #endif // _CS_GNU_LIBC_VERSION 97 98 #endif // PLATFORM_SUPPORT_H 99