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_ja_JP_UTF_8 "ja_JP.UTF-8" 32 #define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8" 33 #define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8" 34 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <codecvt> 38 #include <locale> 39 #include <string> 40 #if defined(_WIN32) 41 # include <io.h> // _mktemp_s 42 #else 43 # include <unistd.h> // close 44 #endif 45 46 #if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__) 47 // Newlib provides this, but in the header it's under __STRICT_ANSI__ 48 extern "C" { 49 int mkstemp(char*); 50 } 51 #endif 52 53 inline 54 std::string get_temp_file_name() 55 { 56 #if defined(_WIN32) 57 char Name[] = "libcxx.XXXXXX"; 58 if (_mktemp_s(Name, sizeof(Name)) != 0) abort(); 59 return Name; 60 #else 61 std::string Name; 62 int FD = -1; 63 do { 64 Name = "libcxx.XXXXXX"; 65 FD = mkstemp(&Name[0]); 66 if (FD == -1 && errno == EINVAL) { 67 perror("mkstemp"); 68 abort(); 69 } 70 } while (FD == -1); 71 close(FD); 72 return Name; 73 #endif 74 } 75 76 #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR 77 inline 78 std::wstring get_wide_temp_file_name() 79 { 80 return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t> >().from_bytes( 81 get_temp_file_name()); 82 } 83 #endif // _LIBCPP_HAS_OPEN_WITH_WCHAR 84 85 #if defined(_CS_GNU_LIBC_VERSION) 86 inline bool glibc_version_less_than(char const* version) { 87 std::string test_version = std::string("glibc ") + version; 88 89 size_t n = confstr(_CS_GNU_LIBC_VERSION, nullptr, (size_t)0); 90 char *current_version = new char[n]; 91 confstr(_CS_GNU_LIBC_VERSION, current_version, n); 92 93 bool result = strverscmp(current_version, test_version.c_str()) < 0; 94 delete[] current_version; 95 return result; 96 } 97 #endif // _CS_GNU_LIBC_VERSION 98 99 #endif // PLATFORM_SUPPORT_H 100