Fixed cygwin support
This commit is contained in:
		@@ -1,469 +1,469 @@
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//
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// Copyright(c) 2015 Gabi Melman.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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#pragma once
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#include "spdlog/common.h"
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#include <cstdio>
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#include <ctime>
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#include <functional>
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#include <string>
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#include <chrono>
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#include <thread>
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#include <algorithm>
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#include <cstring>
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#include <cstdlib>
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#include <sys/stat.h>
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#include <sys/types.h>
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#ifdef _WIN32
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#ifndef NOMINMAX
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#define NOMINMAX //prevent windows redefining min/max
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#endif
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <process.h> //  _get_pid support
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#include <io.h> // _get_osfhandle and _isatty support
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#ifdef __MINGW32__
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#include <share.h>
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#endif
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#else // unix
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#include <unistd.h>
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#include <fcntl.h>
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#ifdef __linux__
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#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
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#elif __FreeBSD__
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#include <sys/thr.h> //Use thr_self() syscall under FreeBSD to get thread id
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#endif
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#endif //unix
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#ifndef __has_feature       // Clang - feature checking macros.
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#define __has_feature(x) 0  // Compatibility with non-clang compilers.
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#endif
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namespace spdlog
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{
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namespace details
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{
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namespace os
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{
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inline spdlog::log_clock::time_point now()
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{
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#if defined __linux__ && defined SPDLOG_CLOCK_COARSE
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    timespec ts;
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    ::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
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    return std::chrono::time_point<log_clock, typename log_clock::duration>(
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               std::chrono::duration_cast<typename log_clock::duration>(
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                   std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
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#else
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    return log_clock::now();
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#endif
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}
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inline std::tm localtime(const std::time_t &time_tt)
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{
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#ifdef _WIN32
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    std::tm tm;
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    localtime_s(&tm, &time_tt);
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#else
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    std::tm tm;
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    localtime_r(&time_tt, &tm);
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#endif
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    return tm;
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}
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inline std::tm localtime()
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{
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    std::time_t now_t = time(nullptr);
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    return localtime(now_t);
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}
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inline std::tm gmtime(const std::time_t &time_tt)
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{
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#ifdef _WIN32
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    std::tm tm;
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    gmtime_s(&tm, &time_tt);
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#else
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    std::tm tm;
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    gmtime_r(&time_tt, &tm);
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#endif
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    return tm;
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}
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inline std::tm gmtime()
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{
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    std::time_t now_t = time(nullptr);
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    return gmtime(now_t);
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}
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inline bool operator==(const std::tm& tm1, const std::tm& tm2)
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{
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    return (tm1.tm_sec == tm2.tm_sec &&
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            tm1.tm_min == tm2.tm_min &&
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            tm1.tm_hour == tm2.tm_hour &&
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            tm1.tm_mday == tm2.tm_mday &&
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            tm1.tm_mon == tm2.tm_mon &&
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            tm1.tm_year == tm2.tm_year &&
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            tm1.tm_isdst == tm2.tm_isdst);
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}
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inline bool operator!=(const std::tm& tm1, const std::tm& tm2)
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{
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    return !(tm1 == tm2);
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}
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// eol definition
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#if !defined (SPDLOG_EOL)
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#ifdef _WIN32
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#define SPDLOG_EOL "\r\n"
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#else
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#define SPDLOG_EOL "\n"
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#endif
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#endif
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SPDLOG_CONSTEXPR static const char* eol = SPDLOG_EOL;
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SPDLOG_CONSTEXPR static int eol_size = sizeof(SPDLOG_EOL) - 1;
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inline void prevent_child_fd(FILE *f)
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{
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#ifdef _WIN32
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    auto file_handle = (HANDLE)_get_osfhandle(_fileno(f));
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    if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
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        throw spdlog_ex("SetHandleInformation failed", errno);
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#else
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    auto fd = fileno(f);
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    if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
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        throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno);
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#endif
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}
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//fopen_s on non windows for writing
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inline int fopen_s(FILE** fp, const filename_t& filename, const filename_t& mode)
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{
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#ifdef _WIN32
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#ifdef SPDLOG_WCHAR_FILENAMES
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    *fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
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#else
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    *fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
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#endif
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#else //unix
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    *fp = fopen((filename.c_str()), mode.c_str());
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#endif
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#ifdef SPDLOG_PREVENT_CHILD_FD
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    if (*fp != nullptr)
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        prevent_child_fd(*fp);
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#endif
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    return *fp == nullptr;
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}
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inline int remove(const filename_t &filename)
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{
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#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
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    return _wremove(filename.c_str());
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#else
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    return std::remove(filename.c_str());
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#endif
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}
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inline int rename(const filename_t& filename1, const filename_t& filename2)
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{
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#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
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    return _wrename(filename1.c_str(), filename2.c_str());
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#else
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    return std::rename(filename1.c_str(), filename2.c_str());
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#endif
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}
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//Return if file exists
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inline bool file_exists(const filename_t& filename)
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{
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#ifdef _WIN32
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#ifdef SPDLOG_WCHAR_FILENAMES
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    auto attribs = GetFileAttributesW(filename.c_str());
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#else
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    auto attribs = GetFileAttributesA(filename.c_str());
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#endif
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    return (attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY));
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#else //common linux/unix all have the stat system call
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    struct stat buffer;
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    return (stat(filename.c_str(), &buffer) == 0);
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#endif
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}
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//Return file size according to open FILE* object
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inline size_t filesize(FILE *f)
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{
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    if (f == nullptr)
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        throw spdlog_ex("Failed getting file size. fd is null");
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#ifdef _WIN32
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    int fd = _fileno(f);
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#if _WIN64 //64 bits
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    struct _stat64 st;
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    if (_fstat64(fd, &st) == 0)
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        return st.st_size;
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#else //windows 32 bits
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    long ret = _filelength(fd);
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    if (ret >= 0)
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        return static_cast<size_t>(ret);
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#endif
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#else // unix
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    int fd = fileno(f);
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    //64 bits(but not in osx, where fstat64 is deprecated)
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#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__))
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    struct stat64 st;
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    if (fstat64(fd, &st) == 0)
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        return static_cast<size_t>(st.st_size);
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#else // unix 32 bits or osx
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    struct stat st;
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    if (fstat(fd, &st) == 0)
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        return static_cast<size_t>(st.st_size);
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#endif
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#endif
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    throw spdlog_ex("Failed getting file size from fd", errno);
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}
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//Return utc offset in minutes or throw spdlog_ex on failure
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inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
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{
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#ifdef _WIN32
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#if _WIN32_WINNT < _WIN32_WINNT_WS08
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    TIME_ZONE_INFORMATION tzinfo;
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    auto rv = GetTimeZoneInformation(&tzinfo);
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#else
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    DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
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    auto rv = GetDynamicTimeZoneInformation(&tzinfo);
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#endif
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    if (rv == TIME_ZONE_ID_INVALID)
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        throw spdlog::spdlog_ex("Failed getting timezone info. ", errno);
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    int offset = -tzinfo.Bias;
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    if (tm.tm_isdst)
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        offset -= tzinfo.DaylightBias;
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    else
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        offset -= tzinfo.StandardBias;
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    return offset;
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#else
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#if defined(sun) || defined(__sun)
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    // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
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    struct helper
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    {
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        static long int calculate_gmt_offset(const std::tm & localtm = details::os::localtime(), const std::tm & gmtm = details::os::gmtime())
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        {
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            int local_year = localtm.tm_year + (1900 - 1);
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            int gmt_year = gmtm.tm_year + (1900 - 1);
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            long int days = (
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                                // difference in day of year
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                                localtm.tm_yday - gmtm.tm_yday
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                                // + intervening leap days
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                                + ((local_year >> 2) - (gmt_year >> 2))
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                                - (local_year / 100 - gmt_year / 100)
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                                + ((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
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                                // + difference in years * 365 */
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                                + (long int)(local_year - gmt_year) * 365
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                            );
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            long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
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            long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
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            long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);
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            return secs;
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        }
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    };
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    long int offset_seconds = helper::calculate_gmt_offset(tm);
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#else
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    long int offset_seconds = tm.tm_gmtoff;
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#endif
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    return static_cast<int>(offset_seconds / 60);
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#endif
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}
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//Return current thread id as size_t
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//It exists because the std::this_thread::get_id() is much slower(espcially under VS 2013)
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inline size_t _thread_id()
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{
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#ifdef _WIN32
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    return  static_cast<size_t>(::GetCurrentThreadId());
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#elif __linux__
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# if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
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#  define SYS_gettid __NR_gettid
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# endif
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    return  static_cast<size_t>(syscall(SYS_gettid));
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#elif __FreeBSD__
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    long tid;
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    thr_self(&tid);
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    return static_cast<size_t>(tid);
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#elif __APPLE__
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    uint64_t tid;
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    pthread_threadid_np(nullptr, &tid);
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    return static_cast<size_t>(tid);
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#else //Default to standard C++11 (other Unix)
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    return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
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#endif
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}
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//Return current thread id as size_t (from thread local storage)
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inline size_t thread_id()
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{
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#if defined(_MSC_VER) && (_MSC_VER < 1900) || defined(__clang__) && !__has_feature(cxx_thread_local)
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    return _thread_id();
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#else
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    static thread_local const size_t tid = _thread_id();
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    return tid;
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#endif
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}
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// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
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#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
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#define SPDLOG_FILENAME_T(s) L ## s
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inline std::string filename_to_str(const filename_t& filename)
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{
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    std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
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    return c.to_bytes(filename);
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}
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#else
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#define SPDLOG_FILENAME_T(s) s
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inline std::string filename_to_str(const filename_t& filename)
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{
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    return filename;
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}
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#endif
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inline std::string errno_to_string(char[256], char* res)
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{
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    return std::string(res);
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}
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inline std::string errno_to_string(char buf[256], int res)
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{
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    if (res == 0)
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    {
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        return std::string(buf);
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    }
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    else
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    {
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        return "Unknown error";
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    }
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}
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// Return errno string (thread safe)
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inline std::string errno_str(int err_num)
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{
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    char buf[256];
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    SPDLOG_CONSTEXPR auto buf_size = sizeof(buf);
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#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
 | 
			
		||||
//
 | 
			
		||||
// 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");
 | 
			
		||||
#if defined ( _WIN32) && !defined(__CYGWIN__)
 | 
			
		||||
    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 or cygwin, where fstat64 is deprecated)
 | 
			
		||||
#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__)) && !defined(__CYGWIN__)
 | 
			
		||||
    struct stat64 st;
 | 
			
		||||
    if (fstat64(fd, &st) == 0)
 | 
			
		||||
        return static_cast<size_t>(st.st_size);
 | 
			
		||||
#else // unix 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 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
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user