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-rw-r--r--NorthstarDLL/include/spdlog/details/os-inl.h1178
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
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