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 # include <fcntl.h> // _O_EXCL, ... 43 # include <sys/stat.h> // _S_IREAD, ... 44 #else 45 # include <unistd.h> // close 46 #endif 47 48 #if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__) 49 // Newlib provides this, but in the header it's under __STRICT_ANSI__ 50 extern "C" { 51 int mkstemp(char*); 52 } 53 #endif 54 55 inline 56 std::string get_temp_file_name() 57 { 58 #if defined(_WIN32) 59 while (true) { 60 char Name[] = "libcxx.XXXXXX"; 61 if (_mktemp_s(Name, sizeof(Name)) != 0) abort(); 62 int fd = _open(Name, _O_RDWR | _O_CREAT | _O_EXCL, _S_IREAD | _S_IWRITE); 63 if (fd != -1) { 64 _close(fd); 65 return Name; 66 } 67 if (errno == EEXIST) 68 continue; 69 abort(); 70 } 71 #else 72 std::string Name; 73 int FD = -1; 74 do { 75 Name = "libcxx.XXXXXX"; 76 FD = mkstemp(&Name[0]); 77 if (FD == -1 && errno == EINVAL) { 78 perror("mkstemp"); 79 abort(); 80 } 81 } while (FD == -1); 82 close(FD); 83 return Name; 84 #endif 85 } 86 87 #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR 88 inline 89 std::wstring get_wide_temp_file_name() 90 { 91 return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t> >().from_bytes( 92 get_temp_file_name()); 93 } 94 #endif // _LIBCPP_HAS_OPEN_WITH_WCHAR 95 96 #if defined(_CS_GNU_LIBC_VERSION) 97 inline bool glibc_version_less_than(char const* version) { 98 std::string test_version = std::string("glibc ") + version; 99 100 size_t n = confstr(_CS_GNU_LIBC_VERSION, nullptr, (size_t)0); 101 char *current_version = new char[n]; 102 confstr(_CS_GNU_LIBC_VERSION, current_version, n); 103 104 bool result = strverscmp(current_version, test_version.c_str()) < 0; 105 delete[] current_version; 106 return result; 107 } 108 #endif // _CS_GNU_LIBC_VERSION 109 110 #endif // PLATFORM_SUPPORT_H 111