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Diffstat (limited to 'wasserstein/include/spdlog/details/os.h')
| -rw-r--r-- | wasserstein/include/spdlog/details/os.h | 469 |
1 files changed, 0 insertions, 469 deletions
diff --git a/wasserstein/include/spdlog/details/os.h b/wasserstein/include/spdlog/details/os.h deleted file mode 100644 index 735f601..0000000 --- a/wasserstein/include/spdlog/details/os.h +++ /dev/null @@ -1,469 +0,0 @@ -// -// Copyright(c) 2015 Gabi Melman. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) -// -#pragma once - -#include "spdlog/common.h" - -#include <cstdio> -#include <ctime> -#include <functional> -#include <string> -#include <chrono> -#include <thread> -#include <algorithm> -#include <cstring> -#include <cstdlib> -#include <sys/stat.h> -#include <sys/types.h> - -#ifdef _WIN32 - -#ifndef NOMINMAX -#define NOMINMAX //prevent windows redefining min/max -#endif - -#ifndef WIN32_LEAN_AND_MEAN -#define WIN32_LEAN_AND_MEAN -#endif -#include <windows.h> -#include <process.h> // _get_pid support -#include <io.h> // _get_osfhandle and _isatty support - -#ifdef __MINGW32__ -#include <share.h> -#endif - -#else // unix - -#include <unistd.h> -#include <fcntl.h> - -#ifdef __linux__ -#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id - -#elif __FreeBSD__ -#include <sys/thr.h> //Use thr_self() syscall under FreeBSD to get thread id -#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 -{ - -inline spdlog::log_clock::time_point now() -{ - -#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 - -} -inline std::tm localtime(const std::time_t &time_tt) -{ - -#ifdef _WIN32 - std::tm tm; - localtime_s(&tm, &time_tt); -#else - std::tm tm; - localtime_r(&time_tt, &tm); -#endif - return tm; -} - -inline std::tm localtime() -{ - std::time_t now_t = time(nullptr); - return localtime(now_t); -} - - -inline std::tm gmtime(const std::time_t &time_tt) -{ - -#ifdef _WIN32 - std::tm tm; - gmtime_s(&tm, &time_tt); -#else - std::tm tm; - gmtime_r(&time_tt, &tm); -#endif - return tm; -} - -inline std::tm gmtime() -{ - std::time_t now_t = time(nullptr); - return gmtime(now_t); -} -inline bool operator==(const std::tm& tm1, const std::tm& tm2) -{ - return (tm1.tm_sec == tm2.tm_sec && - tm1.tm_min == tm2.tm_min && - tm1.tm_hour == tm2.tm_hour && - tm1.tm_mday == tm2.tm_mday && - tm1.tm_mon == tm2.tm_mon && - tm1.tm_year == tm2.tm_year && - tm1.tm_isdst == tm2.tm_isdst); -} - -inline bool operator!=(const std::tm& tm1, const std::tm& tm2) -{ - return !(tm1 == tm2); -} - -// eol definition -#if !defined (SPDLOG_EOL) -#ifdef _WIN32 -#define SPDLOG_EOL "\r\n" -#else -#define SPDLOG_EOL "\n" -#endif -#endif - -SPDLOG_CONSTEXPR static const char* eol = SPDLOG_EOL; -SPDLOG_CONSTEXPR static int eol_size = sizeof(SPDLOG_EOL) - 1; - -inline void prevent_child_fd(FILE *f) -{ -#ifdef _WIN32 - auto file_handle = (HANDLE)_get_osfhandle(_fileno(f)); - if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0)) - throw spdlog_ex("SetHandleInformation failed", errno); -#else - auto fd = fileno(f); - if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) - throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno); -#endif -} - - -//fopen_s on non windows for writing -inline int 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_DENYWR); -#else - *fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYWR); -#endif -#else //unix - *fp = fopen((filename.c_str()), mode.c_str()); -#endif - -#ifdef SPDLOG_PREVENT_CHILD_FD - if (*fp != nullptr) - prevent_child_fd(*fp); -#endif - return *fp == nullptr; -} - - -inline int remove(const filename_t &filename) -{ -#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) - return _wremove(filename.c_str()); -#else - return std::remove(filename.c_str()); -#endif -} - -inline int rename(const filename_t& filename1, const filename_t& filename2) -{ -#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 if file exists -inline bool file_exists(const filename_t& filename) -{ -#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 && !(attribs & FILE_ATTRIBUTE_DIRECTORY)); -#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 -inline size_t filesize(FILE *f) -{ - if (f == nullptr) - throw spdlog_ex("Failed getting file size. fd is null"); -#ifdef _WIN32 - int fd = _fileno(f); -#if _WIN64 //64 bits - struct _stat64 st; - if (_fstat64(fd, &st) == 0) - return st.st_size; - -#else //windows 32 bits - long ret = _filelength(fd); - if (ret >= 0) - return static_cast<size_t>(ret); -#endif - -#else // unix - int fd = fileno(f); - //64 bits(but not in osx, where fstat64 is deprecated) -#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__)) - struct stat64 st; - if (fstat64(fd, &st) == 0) - return static_cast<size_t>(st.st_size); -#else // unix 32 bits or osx - 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 utc offset in minutes or throw spdlog_ex on failure -inline int utc_minutes_offset(const std::tm& tm = details::os::localtime()) -{ - -#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::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) - // '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; - } - }; - - long int offset_seconds = helper::calculate_gmt_offset(tm); -#else - long int 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(espcially under VS 2013) -inline size_t _thread_id() -{ -#ifdef _WIN32 - return static_cast<size_t>(::GetCurrentThreadId()); -#elif __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 __FreeBSD__ - long tid; - thr_self(&tid); - return static_cast<size_t>(tid); -#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) -inline size_t thread_id() -{ -#if defined(_MSC_VER) && (_MSC_VER < 1900) || defined(__clang__) && !__has_feature(cxx_thread_local) - return _thread_id(); -#else - static thread_local const size_t tid = _thread_id(); - return tid; -#endif -} - - - - -// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined) -#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) -#define SPDLOG_FILENAME_T(s) L ## s -inline std::string filename_to_str(const filename_t& filename) -{ - std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c; - return c.to_bytes(filename); -} -#else -#define SPDLOG_FILENAME_T(s) s -inline std::string filename_to_str(const filename_t& filename) -{ - return filename; -} -#endif - -inline std::string errno_to_string(char[256], char* res) -{ - return std::string(res); -} - -inline std::string errno_to_string(char buf[256], int res) -{ - if (res == 0) - { - return std::string(buf); - } - else - { - return "Unknown error"; - } -} - -// Return errno string (thread safe) -inline std::string errno_str(int err_num) -{ - char buf[256]; - SPDLOG_CONSTEXPR auto buf_size = sizeof(buf); - -#ifdef _WIN32 - if (strerror_s(buf, buf_size, err_num) == 0) - return std::string(buf); - else - return "Unknown error"; - -#elif defined(__FreeBSD__) || defined(__APPLE__) || defined(ANDROID) || defined(__SUNPRO_CC) || \ - ((_POSIX_C_SOURCE >= 200112L) && ! defined(_GNU_SOURCE)) // posix version - - if (strerror_r(err_num, buf, buf_size) == 0) - return std::string(buf); - else - return "Unknown error"; - -#else // gnu version (might not use the given buf, so its retval pointer must be used) - auto err = strerror_r(err_num, buf, buf_size); // let compiler choose type - return errno_to_string(buf, err); // use overloading to select correct stringify function -#endif -} - -inline int pid() -{ - -#ifdef _WIN32 - return ::_getpid(); -#else - return static_cast<int>(::getpid()); -#endif - -} - - -// Detrmine if the terminal supports colors -// Source: https://github.com/agauniyal/rang/ -inline bool is_color_terminal() -{ -#ifdef _WIN32 - return true; -#else - static constexpr const char* Terms[] = - { - "ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", - "linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm" - }; - - const char *env_p = std::getenv("TERM"); - if (env_p == nullptr) - { - return false; - } - - static const bool result = std::any_of( - std::begin(Terms), std::end(Terms), [&](const char* term) - { - return std::strstr(env_p, term) != nullptr; - }); - return result; -#endif -} - - -// Detrmine if the terminal attached -// Source: https://github.com/agauniyal/rang/ -inline bool in_terminal(FILE* file) -{ - -#ifdef _WIN32 - return _isatty(_fileno(file)) ? true : false; -#else - return isatty(fileno(file)) ? true : false; -#endif -} -} //os -} //details -} //spdlog |