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Diffstat (limited to 'include/spdlog/details/os-inl.h')
| -rw-r--r-- | include/spdlog/details/os-inl.h | 589 |
1 files changed, 0 insertions, 589 deletions
diff --git a/include/spdlog/details/os-inl.h b/include/spdlog/details/os-inl.h deleted file mode 100644 index a701e13f..00000000 --- a/include/spdlog/details/os-inl.h +++ /dev/null @@ -1,589 +0,0 @@ -// 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 |