almost fully replaced hooking lib

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 a701e13f..56a217ef 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