platform_support.h
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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Define a bunch of macros that can be used in the tests instead of
// implementation defined assumptions:
// - locale names
// - floating point number string output
#ifndef PLATFORM_SUPPORT_H
#define PLATFORM_SUPPORT_H
// locale names
#ifdef _WIN32
// WARNING: Windows does not support UTF-8 codepages.
// Locales are "converted" using https://docs.moodle.org/dev/Table_of_locales
# define LOCALE_en_US "en-US"
# define LOCALE_en_US_UTF_8 "en-US"
# define LOCALE_cs_CZ_ISO8859_2 "cs-CZ"
# define LOCALE_fr_FR_UTF_8 "fr-FR"
# define LOCALE_fr_CA_ISO8859_1 "fr-CA"
# define LOCALE_ru_RU_UTF_8 "ru-RU"
# define LOCALE_zh_CN_UTF_8 "zh-CN"
#elif defined(__CloudABI__)
// Timezones are integrated into locales through LC_TIMEZONE_MASK on
// CloudABI. LC_ALL_MASK can only be used if a timezone has also been
// provided. UTC should be all right.
# define LOCALE_en_US "en_US"
# define LOCALE_en_US_UTF_8 "en_US.UTF-8@UTC"
# define LOCALE_fr_FR_UTF_8 "fr_FR.UTF-8@UTC"
# define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO-8859-1@UTC"
# define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO-8859-2@UTC"
# define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8@UTC"
# define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8@UTC"
#else
# define LOCALE_en_US "en_US"
# define LOCALE_en_US_UTF_8 "en_US.UTF-8"
# define LOCALE_fr_FR_UTF_8 "fr_FR.UTF-8"
# ifdef __linux__
# define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO-8859-1"
# define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO-8859-2"
# else
# define LOCALE_fr_CA_ISO8859_1 "fr_CA.ISO8859-1"
# define LOCALE_cs_CZ_ISO8859_2 "cs_CZ.ISO8859-2"
# endif
# define LOCALE_ru_RU_UTF_8 "ru_RU.UTF-8"
# define LOCALE_zh_CN_UTF_8 "zh_CN.UTF-8"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <codecvt>
#include <locale>
#include <string>
#if defined(_WIN32) || defined(__MINGW32__)
# include <io.h> // _mktemp_s
#else
# include <unistd.h> // close
#endif
#if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__)
// Newlib provides this, but in the header it's under __STRICT_ANSI__
extern "C" {
int mkstemp(char*);
}
#endif
#ifndef __CloudABI__
inline
std::string get_temp_file_name()
{
#if defined(__MINGW32__)
char Path[MAX_PATH + 1];
char FN[MAX_PATH + 1];
do { } while (0 == GetTempPath(MAX_PATH+1, Path));
do { } while (0 == GetTempFileName(Path, "libcxx", 0, FN));
return FN;
#elif defined(_WIN32)
char Name[] = "libcxx.XXXXXX";
if (_mktemp_s(Name, sizeof(Name)) != 0) abort();
return Name;
#else
std::string Name;
int FD = -1;
do {
Name = "libcxx.XXXXXX";
FD = mkstemp(&Name[0]);
if (FD == -1 && errno == EINVAL) {
perror("mkstemp");
abort();
}
} while (FD == -1);
close(FD);
return Name;
#endif
}
#ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR
inline
std::wstring get_wide_temp_file_name()
{
return std::wstring_convert<std::codecvt_utf8_utf16<wchar_t> >().from_bytes(
get_temp_file_name());
}
#endif // _LIBCPP_HAS_OPEN_WITH_WCHAR
#endif // __CloudABI__
#endif // PLATFORM_SUPPORT_H