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 #include "test_macros.h" 18 19 // locale names 20 #define LOCALE_en_US "en_US" 21 #define LOCALE_en_US_UTF_8 "en_US.UTF-8" 22 #define LOCALE_fr_FR_UTF_8 "fr_FR.UTF-8" 23 #ifdef __linux__ 24 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO-8859-1" 25 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO-8859-2" 26 #elif defined(_WIN32) 27 # define LOCALE_fr_CA_ISO8859_1 "fr-CA" 28 # define LOCALE_cs_CZ_ISO8859_2 "cs-CZ" 29 #else 30 # define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO8859-1" 31 # define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO8859-2" 32 #endif 33 #define LOCALE_ja_JP_UTF_8 "ja_JP.UTF-8" 34 #define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8" 35 #define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8" 36 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <codecvt> 40 #include <locale> 41 #include <string> 42 #if defined(_WIN32) 43 # include <io.h> // _mktemp_s 44 # include <fcntl.h> // _O_EXCL, ... 45 # include <sys/stat.h> // _S_IREAD, ... 46 #else 47 # include <unistd.h> // close 48 #endif 49 50 #if defined(_CS_GNU_LIBC_VERSION) 51 # include <string.h> // strverscmp 52 #endif 53 54 #if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__) 55 // Newlib provides this, but in the header it's under __STRICT_ANSI__ 56 extern "C" { 57 int mkstemp(char*); 58 } 59 #endif 60 61 inline 62 std::string get_temp_file_name() 63 { 64 #if defined(_WIN32) 65 while (true) { 66 char Name[] = "libcxx.XXXXXX"; 67 if (_mktemp_s(Name, sizeof(Name)) != 0) abort(); 68 int fd = _open(Name, _O_RDWR | _O_CREAT | _O_EXCL, _S_IREAD | _S_IWRITE); 69 if (fd != -1) { 70 _close(fd); 71 return Name; 72 } 73 if (errno == EEXIST) 74 continue; 75 abort(); 76 } 77 #else 78 std::string Name; 79 int FD = -1; 80 do { 81 Name = "libcxx.XXXXXX"; 82 FD = mkstemp(&Name[0]); 83 if (FD == -1 && errno == EINVAL) { 84 perror("mkstemp"); 85 abort(); 86 } 87 } while (FD == -1); 88 close(FD); 89 return Name; 90 #endif 91 } 92 93 _LIBCPP_SUPPRESS_DEPRECATED_PUSH 94 #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR 95 inline 96 std::wstring get_wide_temp_file_name() 97 { 98 return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t> >().from_bytes( 99 get_temp_file_name()); 100 } 101 #endif // _LIBCPP_HAS_OPEN_WITH_WCHAR 102 _LIBCPP_SUPPRESS_DEPRECATED_POP 103 104 #if defined(_CS_GNU_LIBC_VERSION) 105 inline bool glibc_version_less_than(char const* version) { 106 std::string test_version = std::string("glibc ") + version; 107 108 size_t n = confstr(_CS_GNU_LIBC_VERSION, nullptr, (size_t)0); 109 char *current_version = new char[n]; 110 confstr(_CS_GNU_LIBC_VERSION, current_version, n); 111 112 bool result = strverscmp(current_version, test_version.c_str()) < 0; 113 delete[] current_version; 114 return result; 115 } 116 #endif // _CS_GNU_LIBC_VERSION 117 118 #endif // PLATFORM_SUPPORT_H 119