lots of stuff idk

1 files changed, 589 insertions, 589 deletions

diff --git a/NorthstarDLL/include/spdlog/details/os-inl.h b/NorthstarDLL/include/spdlog/details/os-inl.h
index 56a217ef..a701e13f 100644
--- a/NorthstarDLL/include/spdlog/details/os-inl.h
+++ b/NorthstarDLL/include/spdlog/details/os-inl.h
@@ -1,589 +1,589 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.

-// Distributed under the MIT License (http://opensource.org/licenses/MIT)

-

-#pragma once

-

-#ifndef SPDLOG_HEADER_ONLY

-#include <spdlog/details/os.h>

-#endif

-

-#include <spdlog/common.h>

-

-#include <algorithm>

-#include <chrono>

-#include <cstdio>

-#include <cstdlib>

-#include <cstring>

-#include <ctime>

-#include <string>

-#include <thread>

-#include <array>

-#include <sys/stat.h>

-#include <sys/types.h>

-

-#ifdef _WIN32

-

-#include <io.h>      // _get_osfhandle and _isatty support

-#include <process.h> //  _get_pid support

-#include <spdlog/details/windows_include.h>

-

-#ifdef __MINGW32__

-#include <share.h>

-#endif

-

-#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)

-#include <limits>

-#endif

-

-#include <direct.h> // for _mkdir/_wmkdir

-

-#else // unix

-

-#include <fcntl.h>

-#include <unistd.h>

-

-#ifdef __linux__

-#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id

-

-#elif defined(_AIX)

-#include <pthread.h> // for pthread_getthreadid_np

-

-#elif defined(__DragonFly__) || defined(__FreeBSD__)

-#include <pthread_np.h> // for pthread_getthreadid_np

-

-#elif defined(__NetBSD__)

-#include <lwp.h> // for _lwp_self

-

-#elif defined(__sun)

-#include <thread.h> // for thr_self

-#endif

-

-#endif // unix

-

-#ifndef __has_feature      // Clang - feature checking macros.

-#define __has_feature(x) 0 // Compatibility with non-clang compilers.

-#endif

-

-namespace spdlog {

-namespace details {

-namespace os {

-

-SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT

-{

-

-#if defined __linux__ && defined SPDLOG_CLOCK_COARSE

-    timespec ts;

-    ::clock_gettime(CLOCK_REALTIME_COARSE, &ts);

-    return std::chrono::time_point<log_clock, typename log_clock::duration>(

-        std::chrono::duration_cast<typename log_clock::duration>(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));

-

-#else

-    return log_clock::now();

-#endif

-}

-SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT

-{

-

-#ifdef _WIN32

-    std::tm tm;

-    ::localtime_s(&tm, &time_tt);

-#else

-    std::tm tm;

-    ::localtime_r(&time_tt, &tm);

-#endif

-    return tm;

-}

-

-SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT

-{

-    std::time_t now_t = ::time(nullptr);

-    return localtime(now_t);

-}

-

-SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT

-{

-

-#ifdef _WIN32

-    std::tm tm;

-    ::gmtime_s(&tm, &time_tt);

-#else

-    std::tm tm;

-    ::gmtime_r(&time_tt, &tm);

-#endif

-    return tm;

-}

-

-SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT

-{

-    std::time_t now_t = ::time(nullptr);

-    return gmtime(now_t);

-}

-

-// fopen_s on non windows for writing

-SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode)

-{

-#ifdef _WIN32

-#ifdef SPDLOG_WCHAR_FILENAMES

-    *fp = ::_wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);

-#else

-    *fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);

-#endif

-#if defined(SPDLOG_PREVENT_CHILD_FD)

-    if (*fp != nullptr)

-    {

-        auto file_handle = reinterpret_cast<HANDLE>(_get_osfhandle(::_fileno(*fp)));

-        if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))

-        {

-            ::fclose(*fp);

-            *fp = nullptr;

-        }

-    }

-#endif

-#else // unix

-#if defined(SPDLOG_PREVENT_CHILD_FD)

-    const int mode_flag = mode == SPDLOG_FILENAME_T("ab") ? O_APPEND : O_TRUNC;

-    const int fd = ::open((filename.c_str()), O_CREAT | O_WRONLY | O_CLOEXEC | mode_flag, mode_t(0644));

-    if (fd == -1)

-    {

-        return false;

-    }

-    *fp = ::fdopen(fd, mode.c_str());

-    if (*fp == nullptr)

-    {

-        ::close(fd);

-    }

-#else

-    *fp = ::fopen((filename.c_str()), mode.c_str());

-#endif

-#endif

-

-    return *fp == nullptr;

-}

-

-SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT

-{

-#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)

-    return ::_wremove(filename.c_str());

-#else

-    return std::remove(filename.c_str());

-#endif

-}

-

-SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT

-{

-    return path_exists(filename) ? remove(filename) : 0;

-}

-

-SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT

-{

-#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)

-    return ::_wrename(filename1.c_str(), filename2.c_str());

-#else

-    return std::rename(filename1.c_str(), filename2.c_str());

-#endif

-}

-

-// Return true if path exists (file or directory)

-SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT

-{

-#ifdef _WIN32

-#ifdef SPDLOG_WCHAR_FILENAMES

-    auto attribs = ::GetFileAttributesW(filename.c_str());

-#else

-    auto attribs = ::GetFileAttributesA(filename.c_str());

-#endif

-    return attribs != INVALID_FILE_ATTRIBUTES;

-#else // common linux/unix all have the stat system call

-    struct stat buffer;

-    return (::stat(filename.c_str(), &buffer) == 0);

-#endif

-}

-

-// Return file size according to open FILE* object

-SPDLOG_INLINE size_t filesize(FILE *f)

-{

-    if (f == nullptr)

-    {

-        throw_spdlog_ex("Failed getting file size. fd is null");

-    }

-#if defined(_WIN32) && !defined(__CYGWIN__)

-    int fd = ::_fileno(f);

-#if _WIN64 // 64 bits

-    __int64 ret = ::_filelengthi64(fd);

-    if (ret >= 0)

-    {

-        return static_cast<size_t>(ret);

-    }

-

-#else // windows 32 bits

-    long ret = ::_filelength(fd);

-    if (ret >= 0)

-    {

-        return static_cast<size_t>(ret);

-    }

-#endif

-

-#else // unix

-// OpenBSD doesn't compile with :: before the fileno(..)

-#if defined(__OpenBSD__)

-    int fd = fileno(f);

-#else

-    int fd = ::fileno(f);

-#endif

-// 64 bits(but not in osx or cygwin, where fstat64 is deprecated)

-#if (defined(__linux__) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64))

-    struct stat64 st;

-    if (::fstat64(fd, &st) == 0)

-    {

-        return static_cast<size_t>(st.st_size);

-    }

-#else // other unix or linux 32 bits or cygwin

-    struct stat st;

-    if (::fstat(fd, &st) == 0)

-    {

-        return static_cast<size_t>(st.st_size);

-    }

-#endif

-#endif

-    throw_spdlog_ex("Failed getting file size from fd", errno);

-    return 0; // will not be reached.

-}

-

-// Return utc offset in minutes or throw spdlog_ex on failure

-SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm)

-{

-

-#ifdef _WIN32

-#if _WIN32_WINNT < _WIN32_WINNT_WS08

-    TIME_ZONE_INFORMATION tzinfo;

-    auto rv = ::GetTimeZoneInformation(&tzinfo);

-#else

-    DYNAMIC_TIME_ZONE_INFORMATION tzinfo;

-    auto rv = ::GetDynamicTimeZoneInformation(&tzinfo);

-#endif

-    if (rv == TIME_ZONE_ID_INVALID)

-        throw_spdlog_ex("Failed getting timezone info. ", errno);

-

-    int offset = -tzinfo.Bias;

-    if (tm.tm_isdst)

-    {

-        offset -= tzinfo.DaylightBias;

-    }

-    else

-    {

-        offset -= tzinfo.StandardBias;

-    }

-    return offset;

-#else

-

-#if defined(sun) || defined(__sun) || defined(_AIX) || (!defined(_BSD_SOURCE) && !defined(_GNU_SOURCE))

-    // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris

-    struct helper

-    {

-        static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime())

-        {

-            int local_year = localtm.tm_year + (1900 - 1);

-            int gmt_year = gmtm.tm_year + (1900 - 1);

-

-            long int days = (

-                // difference in day of year

-                localtm.tm_yday -

-                gmtm.tm_yday

-

-                // + intervening leap days

-                + ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) +

-                ((local_year / 100 >> 2) - (gmt_year / 100 >> 2))

-

-                // + difference in years * 365 */

-                + (long int)(local_year - gmt_year) * 365);

-

-            long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);

-            long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);

-            long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);

-

-            return secs;

-        }

-    };

-

-    auto offset_seconds = helper::calculate_gmt_offset(tm);

-#else

-    auto offset_seconds = tm.tm_gmtoff;

-#endif

-

-    return static_cast<int>(offset_seconds / 60);

-#endif

-}

-

-// Return current thread id as size_t

-// It exists because the std::this_thread::get_id() is much slower(especially

-// under VS 2013)

-SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT

-{

-#ifdef _WIN32

-    return static_cast<size_t>(::GetCurrentThreadId());

-#elif defined(__linux__)

-#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)

-#define SYS_gettid __NR_gettid

-#endif

-    return static_cast<size_t>(::syscall(SYS_gettid));

-#elif defined(_AIX) || defined(__DragonFly__) || defined(__FreeBSD__)

-    return static_cast<size_t>(::pthread_getthreadid_np());

-#elif defined(__NetBSD__)

-    return static_cast<size_t>(::_lwp_self());

-#elif defined(__OpenBSD__)

-    return static_cast<size_t>(::getthrid());

-#elif defined(__sun)

-    return static_cast<size_t>(::thr_self());

-#elif __APPLE__

-    uint64_t tid;

-    pthread_threadid_np(nullptr, &tid);

-    return static_cast<size_t>(tid);

-#else // Default to standard C++11 (other Unix)

-    return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));

-#endif

-}

-

-// Return current thread id as size_t (from thread local storage)

-SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT

-{

-#if defined(SPDLOG_NO_TLS)

-    return _thread_id();

-#else // cache thread id in tls

-    static thread_local const size_t tid = _thread_id();

-    return tid;

-#endif

-}

-

-// This is avoid msvc issue in sleep_for that happens if the clock changes.

-// See https://github.com/gabime/spdlog/issues/609

-SPDLOG_INLINE void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT

-{

-#if defined(_WIN32)

-    ::Sleep(milliseconds);

-#else

-    std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));

-#endif

-}

-

-// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)

-#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)

-SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)

-{

-    memory_buf_t buf;

-    wstr_to_utf8buf(filename, buf);

-    return fmt::to_string(buf);

-}

-#else

-SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)

-{

-    return filename;

-}

-#endif

-

-SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT

-{

-

-#ifdef _WIN32

-    return static_cast<int>(::GetCurrentProcessId());

-#else

-    return static_cast<int>(::getpid());

-#endif

-}

-

-// Determine if the terminal supports colors

-// Based on: https://github.com/agauniyal/rang/

-SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT

-{

-#ifdef _WIN32

-    return true;

-#else

-

-    static const bool result = []() {

-        const char *env_colorterm_p = std::getenv("COLORTERM");

-        if (env_colorterm_p != nullptr)

-        {

-            return true;

-        }

-

-        static constexpr std::array<const char *, 15> terms = {{"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux",

-            "msys", "putty", "rxvt", "screen", "vt100", "xterm", "alacritty"}};

-

-        const char *env_term_p = std::getenv("TERM");

-        if (env_term_p == nullptr)

-        {

-            return false;

-        }

-

-        return std::any_of(terms.begin(), terms.end(), [&](const char *term) { return std::strstr(env_term_p, term) != nullptr; });

-    }();

-

-    return result;

-#endif

-}

-

-// Determine if the terminal attached

-// Source: https://github.com/agauniyal/rang/

-SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT

-{

-

-#ifdef _WIN32

-    return ::_isatty(_fileno(file)) != 0;

-#else

-    return ::isatty(fileno(file)) != 0;

-#endif

-}

-

-#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)

-SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target)

-{

-    if (wstr.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) / 2 - 1)

-    {

-        throw_spdlog_ex("UTF-16 string is too big to be converted to UTF-8");

-    }

-

-    int wstr_size = static_cast<int>(wstr.size());

-    if (wstr_size == 0)

-    {

-        target.resize(0);

-        return;

-    }

-

-    int result_size = static_cast<int>(target.capacity());

-    if ((wstr_size + 1) * 2 > result_size)

-    {

-        result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL);

-    }

-

-    if (result_size > 0)

-    {

-        target.resize(result_size);

-        result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL);

-

-        if (result_size > 0)

-        {

-            target.resize(result_size);

-            return;

-        }

-    }

-

-    throw_spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));

-}

-

-SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target)

-{

-    if (str.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) - 1)

-    {

-        throw_spdlog_ex("UTF-8 string is too big to be converted to UTF-16");

-    }

-

-    int str_size = static_cast<int>(str.size());

-    if (str_size == 0)

-    {

-        target.resize(0);

-        return;

-    }

-

-    int result_size = static_cast<int>(target.capacity());

-    if (str_size + 1 > result_size)

-    {

-        result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 0);

-    }

-

-    if (result_size > 0)

-    {

-        target.resize(result_size);

-        result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, target.data(), result_size);

-

-        if (result_size > 0)

-        {

-            target.resize(result_size);

-            return;

-        }

-    }

-

-    throw_spdlog_ex(fmt::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError()));

-}

-#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)

-

-// return true on success

-static SPDLOG_INLINE bool mkdir_(const filename_t &path)

-{

-#ifdef _WIN32

-#ifdef SPDLOG_WCHAR_FILENAMES

-    return ::_wmkdir(path.c_str()) == 0;

-#else

-    return ::_mkdir(path.c_str()) == 0;

-#endif

-#else

-    return ::mkdir(path.c_str(), mode_t(0755)) == 0;

-#endif

-}

-

-// create the given directory - and all directories leading to it

-// return true on success or if the directory already exists

-SPDLOG_INLINE bool create_dir(filename_t path)

-{

-    if (path_exists(path))

-    {

-        return true;

-    }

-

-    if (path.empty())

-    {

-        return false;

-    }

-

-    size_t search_offset = 0;

-    do

-    {

-        auto token_pos = path.find_first_of(folder_seps_filename, search_offset);

-        // treat the entire path as a folder if no folder separator not found

-        if (token_pos == filename_t::npos)

-        {

-            token_pos = path.size();

-        }

-

-        auto subdir = path.substr(0, token_pos);

-

-        if (!subdir.empty() && !path_exists(subdir) && !mkdir_(subdir))

-        {

-            return false; // return error if failed creating dir

-        }

-        search_offset = token_pos + 1;

-    } while (search_offset < path.size());

-

-    return true;

-}

-

-// Return directory name from given path or empty string

-// "abc/file" => "abc"

-// "abc/" => "abc"

-// "abc" => ""

-// "abc///" => "abc//"

-SPDLOG_INLINE filename_t dir_name(filename_t path)

-{

-    auto pos = path.find_last_of(folder_seps_filename);

-    return pos != filename_t::npos ? path.substr(0, pos) : filename_t{};

-}

-

-std::string SPDLOG_INLINE getenv(const char *field)

-{

-

-#if defined(_MSC_VER)

-#if defined(__cplusplus_winrt)

-    return std::string{}; // not supported under uwp

-#else

-    size_t len = 0;

-    char buf[128];

-    bool ok = ::getenv_s(&len, buf, sizeof(buf), field) == 0;

-    return ok ? buf : std::string{};

-#endif

-#else // revert to getenv

-    char *buf = ::getenv(field);

-    return buf ? buf : std::string{};

-#endif

-}

-

-} // namespace os

-} // namespace details

-} // namespace spdlog

+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+
+#pragma once
+
+#ifndef SPDLOG_HEADER_ONLY
+#include <spdlog/details/os.h>
+#endif
+
+#include <spdlog/common.h>
+
+#include <algorithm>
+#include <chrono>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+#include <string>
+#include <thread>
+#include <array>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#ifdef _WIN32
+
+#include <io.h>      // _get_osfhandle and _isatty support
+#include <process.h> //  _get_pid support
+#include <spdlog/details/windows_include.h>
+
+#ifdef __MINGW32__
+#include <share.h>
+#endif
+
+#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)
+#include <limits>
+#endif
+
+#include <direct.h> // for _mkdir/_wmkdir
+
+#else // unix
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#ifdef __linux__
+#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
+
+#elif defined(_AIX)
+#include <pthread.h> // for pthread_getthreadid_np
+
+#elif defined(__DragonFly__) || defined(__FreeBSD__)
+#include <pthread_np.h> // for pthread_getthreadid_np
+
+#elif defined(__NetBSD__)
+#include <lwp.h> // for _lwp_self
+
+#elif defined(__sun)
+#include <thread.h> // for thr_self
+#endif
+
+#endif // unix
+
+#ifndef __has_feature      // Clang - feature checking macros.
+#define __has_feature(x) 0 // Compatibility with non-clang compilers.
+#endif
+
+namespace spdlog {
+namespace details {
+namespace os {
+
+SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT
+{
+
+#if defined __linux__ && defined SPDLOG_CLOCK_COARSE
+    timespec ts;
+    ::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
+    return std::chrono::time_point<log_clock, typename log_clock::duration>(
+        std::chrono::duration_cast<typename log_clock::duration>(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
+
+#else
+    return log_clock::now();
+#endif
+}
+SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
+{
+
+#ifdef _WIN32
+    std::tm tm;
+    ::localtime_s(&tm, &time_tt);
+#else
+    std::tm tm;
+    ::localtime_r(&time_tt, &tm);
+#endif
+    return tm;
+}
+
+SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT
+{
+    std::time_t now_t = ::time(nullptr);
+    return localtime(now_t);
+}
+
+SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
+{
+
+#ifdef _WIN32
+    std::tm tm;
+    ::gmtime_s(&tm, &time_tt);
+#else
+    std::tm tm;
+    ::gmtime_r(&time_tt, &tm);
+#endif
+    return tm;
+}
+
+SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT
+{
+    std::time_t now_t = ::time(nullptr);
+    return gmtime(now_t);
+}
+
+// fopen_s on non windows for writing
+SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode)
+{
+#ifdef _WIN32
+#ifdef SPDLOG_WCHAR_FILENAMES
+    *fp = ::_wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
+#else
+    *fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
+#endif
+#if defined(SPDLOG_PREVENT_CHILD_FD)
+    if (*fp != nullptr)
+    {
+        auto file_handle = reinterpret_cast<HANDLE>(_get_osfhandle(::_fileno(*fp)));
+        if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
+        {
+            ::fclose(*fp);
+            *fp = nullptr;
+        }
+    }
+#endif
+#else // unix
+#if defined(SPDLOG_PREVENT_CHILD_FD)
+    const int mode_flag = mode == SPDLOG_FILENAME_T("ab") ? O_APPEND : O_TRUNC;
+    const int fd = ::open((filename.c_str()), O_CREAT | O_WRONLY | O_CLOEXEC | mode_flag, mode_t(0644));
+    if (fd == -1)
+    {
+        return false;
+    }
+    *fp = ::fdopen(fd, mode.c_str());
+    if (*fp == nullptr)
+    {
+        ::close(fd);
+    }
+#else
+    *fp = ::fopen((filename.c_str()), mode.c_str());
+#endif
+#endif
+
+    return *fp == nullptr;
+}
+
+SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT
+{
+#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
+    return ::_wremove(filename.c_str());
+#else
+    return std::remove(filename.c_str());
+#endif
+}
+
+SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT
+{
+    return path_exists(filename) ? remove(filename) : 0;
+}
+
+SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT
+{
+#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
+    return ::_wrename(filename1.c_str(), filename2.c_str());
+#else
+    return std::rename(filename1.c_str(), filename2.c_str());
+#endif
+}
+
+// Return true if path exists (file or directory)
+SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT
+{
+#ifdef _WIN32
+#ifdef SPDLOG_WCHAR_FILENAMES
+    auto attribs = ::GetFileAttributesW(filename.c_str());
+#else
+    auto attribs = ::GetFileAttributesA(filename.c_str());
+#endif
+    return attribs != INVALID_FILE_ATTRIBUTES;
+#else // common linux/unix all have the stat system call
+    struct stat buffer;
+    return (::stat(filename.c_str(), &buffer) == 0);
+#endif
+}
+
+// Return file size according to open FILE* object
+SPDLOG_INLINE size_t filesize(FILE *f)
+{
+    if (f == nullptr)
+    {
+        throw_spdlog_ex("Failed getting file size. fd is null");
+    }
+#if defined(_WIN32) && !defined(__CYGWIN__)
+    int fd = ::_fileno(f);
+#if _WIN64 // 64 bits
+    __int64 ret = ::_filelengthi64(fd);
+    if (ret >= 0)
+    {
+        return static_cast<size_t>(ret);
+    }
+
+#else // windows 32 bits
+    long ret = ::_filelength(fd);
+    if (ret >= 0)
+    {
+        return static_cast<size_t>(ret);
+    }
+#endif
+
+#else // unix
+// OpenBSD doesn't compile with :: before the fileno(..)
+#if defined(__OpenBSD__)
+    int fd = fileno(f);
+#else
+    int fd = ::fileno(f);
+#endif
+// 64 bits(but not in osx or cygwin, where fstat64 is deprecated)
+#if (defined(__linux__) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64))
+    struct stat64 st;
+    if (::fstat64(fd, &st) == 0)
+    {
+        return static_cast<size_t>(st.st_size);
+    }
+#else // other unix or linux 32 bits or cygwin
+    struct stat st;
+    if (::fstat(fd, &st) == 0)
+    {
+        return static_cast<size_t>(st.st_size);
+    }
+#endif
+#endif
+    throw_spdlog_ex("Failed getting file size from fd", errno);
+    return 0; // will not be reached.
+}
+
+// Return utc offset in minutes or throw spdlog_ex on failure
+SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm)
+{
+
+#ifdef _WIN32
+#if _WIN32_WINNT < _WIN32_WINNT_WS08
+    TIME_ZONE_INFORMATION tzinfo;
+    auto rv = ::GetTimeZoneInformation(&tzinfo);
+#else
+    DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
+    auto rv = ::GetDynamicTimeZoneInformation(&tzinfo);
+#endif
+    if (rv == TIME_ZONE_ID_INVALID)
+        throw_spdlog_ex("Failed getting timezone info. ", errno);
+
+    int offset = -tzinfo.Bias;
+    if (tm.tm_isdst)
+    {
+        offset -= tzinfo.DaylightBias;
+    }
+    else
+    {
+        offset -= tzinfo.StandardBias;
+    }
+    return offset;
+#else
+
+#if defined(sun) || defined(__sun) || defined(_AIX) || (!defined(_BSD_SOURCE) && !defined(_GNU_SOURCE))
+    // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
+    struct helper
+    {
+        static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime())
+        {
+            int local_year = localtm.tm_year + (1900 - 1);
+            int gmt_year = gmtm.tm_year + (1900 - 1);
+
+            long int days = (
+                // difference in day of year
+                localtm.tm_yday -
+                gmtm.tm_yday
+
+                // + intervening leap days
+                + ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) +
+                ((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
+
+                // + difference in years * 365 */
+                + (long int)(local_year - gmt_year) * 365);
+
+            long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
+            long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
+            long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);
+
+            return secs;
+        }
+    };
+
+    auto offset_seconds = helper::calculate_gmt_offset(tm);
+#else
+    auto offset_seconds = tm.tm_gmtoff;
+#endif
+
+    return static_cast<int>(offset_seconds / 60);
+#endif
+}
+
+// Return current thread id as size_t
+// It exists because the std::this_thread::get_id() is much slower(especially
+// under VS 2013)
+SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT
+{
+#ifdef _WIN32
+    return static_cast<size_t>(::GetCurrentThreadId());
+#elif defined(__linux__)
+#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
+#define SYS_gettid __NR_gettid
+#endif
+    return static_cast<size_t>(::syscall(SYS_gettid));
+#elif defined(_AIX) || defined(__DragonFly__) || defined(__FreeBSD__)
+    return static_cast<size_t>(::pthread_getthreadid_np());
+#elif defined(__NetBSD__)
+    return static_cast<size_t>(::_lwp_self());
+#elif defined(__OpenBSD__)
+    return static_cast<size_t>(::getthrid());
+#elif defined(__sun)
+    return static_cast<size_t>(::thr_self());
+#elif __APPLE__
+    uint64_t tid;
+    pthread_threadid_np(nullptr, &tid);
+    return static_cast<size_t>(tid);
+#else // Default to standard C++11 (other Unix)
+    return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
+#endif
+}
+
+// Return current thread id as size_t (from thread local storage)
+SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT
+{
+#if defined(SPDLOG_NO_TLS)
+    return _thread_id();
+#else // cache thread id in tls
+    static thread_local const size_t tid = _thread_id();
+    return tid;
+#endif
+}
+
+// This is avoid msvc issue in sleep_for that happens if the clock changes.
+// See https://github.com/gabime/spdlog/issues/609
+SPDLOG_INLINE void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT
+{
+#if defined(_WIN32)
+    ::Sleep(milliseconds);
+#else
+    std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
+#endif
+}
+
+// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
+#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
+SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
+{
+    memory_buf_t buf;
+    wstr_to_utf8buf(filename, buf);
+    return fmt::to_string(buf);
+}
+#else
+SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
+{
+    return filename;
+}
+#endif
+
+SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT
+{
+
+#ifdef _WIN32
+    return static_cast<int>(::GetCurrentProcessId());
+#else
+    return static_cast<int>(::getpid());
+#endif
+}
+
+// Determine if the terminal supports colors
+// Based on: https://github.com/agauniyal/rang/
+SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT
+{
+#ifdef _WIN32
+    return true;
+#else
+
+    static const bool result = []() {
+        const char *env_colorterm_p = std::getenv("COLORTERM");
+        if (env_colorterm_p != nullptr)
+        {
+            return true;
+        }
+
+        static constexpr std::array<const char *, 15> terms = {{"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux",
+            "msys", "putty", "rxvt", "screen", "vt100", "xterm", "alacritty"}};
+
+        const char *env_term_p = std::getenv("TERM");
+        if (env_term_p == nullptr)
+        {
+            return false;
+        }
+
+        return std::any_of(terms.begin(), terms.end(), [&](const char *term) { return std::strstr(env_term_p, term) != nullptr; });
+    }();
+
+    return result;
+#endif
+}
+
+// Determine if the terminal attached
+// Source: https://github.com/agauniyal/rang/
+SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
+{
+
+#ifdef _WIN32
+    return ::_isatty(_fileno(file)) != 0;
+#else
+    return ::isatty(fileno(file)) != 0;
+#endif
+}
+
+#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
+SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target)
+{
+    if (wstr.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) / 2 - 1)
+    {
+        throw_spdlog_ex("UTF-16 string is too big to be converted to UTF-8");
+    }
+
+    int wstr_size = static_cast<int>(wstr.size());
+    if (wstr_size == 0)
+    {
+        target.resize(0);
+        return;
+    }
+
+    int result_size = static_cast<int>(target.capacity());
+    if ((wstr_size + 1) * 2 > result_size)
+    {
+        result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL);
+    }
+
+    if (result_size > 0)
+    {
+        target.resize(result_size);
+        result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL);
+
+        if (result_size > 0)
+        {
+            target.resize(result_size);
+            return;
+        }
+    }
+
+    throw_spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
+}
+
+SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target)
+{
+    if (str.size() > static_cast<size_t>((std::numeric_limits<int>::max)()) - 1)
+    {
+        throw_spdlog_ex("UTF-8 string is too big to be converted to UTF-16");
+    }
+
+    int str_size = static_cast<int>(str.size());
+    if (str_size == 0)
+    {
+        target.resize(0);
+        return;
+    }
+
+    int result_size = static_cast<int>(target.capacity());
+    if (str_size + 1 > result_size)
+    {
+        result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 0);
+    }
+
+    if (result_size > 0)
+    {
+        target.resize(result_size);
+        result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, target.data(), result_size);
+
+        if (result_size > 0)
+        {
+            target.resize(result_size);
+            return;
+        }
+    }
+
+    throw_spdlog_ex(fmt::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError()));
+}
+#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
+
+// return true on success
+static SPDLOG_INLINE bool mkdir_(const filename_t &path)
+{
+#ifdef _WIN32
+#ifdef SPDLOG_WCHAR_FILENAMES
+    return ::_wmkdir(path.c_str()) == 0;
+#else
+    return ::_mkdir(path.c_str()) == 0;
+#endif
+#else
+    return ::mkdir(path.c_str(), mode_t(0755)) == 0;
+#endif
+}
+
+// create the given directory - and all directories leading to it
+// return true on success or if the directory already exists
+SPDLOG_INLINE bool create_dir(filename_t path)
+{
+    if (path_exists(path))
+    {
+        return true;
+    }
+
+    if (path.empty())
+    {
+        return false;
+    }
+
+    size_t search_offset = 0;
+    do
+    {
+        auto token_pos = path.find_first_of(folder_seps_filename, search_offset);
+        // treat the entire path as a folder if no folder separator not found
+        if (token_pos == filename_t::npos)
+        {
+            token_pos = path.size();
+        }
+
+        auto subdir = path.substr(0, token_pos);
+
+        if (!subdir.empty() && !path_exists(subdir) && !mkdir_(subdir))
+        {
+            return false; // return error if failed creating dir
+        }
+        search_offset = token_pos + 1;
+    } while (search_offset < path.size());
+
+    return true;
+}
+
+// Return directory name from given path or empty string
+// "abc/file" => "abc"
+// "abc/" => "abc"
+// "abc" => ""
+// "abc///" => "abc//"
+SPDLOG_INLINE filename_t dir_name(filename_t path)
+{
+    auto pos = path.find_last_of(folder_seps_filename);
+    return pos != filename_t::npos ? path.substr(0, pos) : filename_t{};
+}
+
+std::string SPDLOG_INLINE getenv(const char *field)
+{
+
+#if defined(_MSC_VER)
+#if defined(__cplusplus_winrt)
+    return std::string{}; // not supported under uwp
+#else
+    size_t len = 0;
+    char buf[128];
+    bool ok = ::getenv_s(&len, buf, sizeof(buf), field) == 0;
+    return ok ? buf : std::string{};
+#endif
+#else // revert to getenv
+    char *buf = ::getenv(field);
+    return buf ? buf : std::string{};
+#endif
+}
+
+} // namespace os
+} // namespace details
+} // namespace spdlog