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Fix #1675

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This commit is contained in:
gabime 2020-09-27 18:27:41 +03:00
parent 3bed78356e
commit 48d4ed9bc0
2 changed files with 31 additions and 3 deletions
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30
include/spdlog/sinks/stdout_sinks-inl.h
View File

@ -11,6 +11,15 @@
#include <spdlog/pattern_formatter.h>
#include <memory>
#ifdef _WIN32
// under windows using fwrite to non-binary stream results in \r\r\n (see issue #1675)
// so instead we use ::FileWrite
#include <spdlog/details/windows_include.h>
#include <fileapi.h> // WriteFile (..)
#include <io.h> // _get_osfhandle(..)
#include <stdio.h> // _fileno(..)
#endif // WIN32
namespace spdlog {
namespace sinks {
@ -20,7 +29,16 @@ SPDLOG_INLINE stdout_sink_base<ConsoleMutex>::stdout_sink_base(FILE *file)
: mutex_(ConsoleMutex::mutex())
, file_(file)
, formatter_(details::make_unique<spdlog::pattern_formatter>())
{}
{
#ifdef _WIN32
// get windows handle from the FILE* object
handle_ = (HANDLE)::_get_osfhandle(::_fileno(file_));
if (handle_ == INVALID_HANDLE_VALUE)
{
throw_spdlog_ex("spdlog::stdout_sink_base: _get_osfhandle() failed", errno);
}
#endif // WIN32
}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::log(const details::log_msg &msg)
@ -28,8 +46,14 @@ SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::log(const details::log_msg &m
std::lock_guard<mutex_t> lock(mutex_);
memory_buf_t formatted;
formatter_->format(msg, formatted);
fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
fflush(file_); // flush every line to terminal
#ifdef _WIN32
auto size = static_cast<DWORD>(formatted.size());
DWORD bytes_written = 0;
::WriteFile(handle_, formatted.data(), size, &bytes_written, nullptr);
#else
::fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
::fflush(file_); // flush every line to terminal
#endif // WIN32
}
template<typename ConsoleMutex>

4
include/spdlog/sinks/stdout_sinks.h
View File

@ -7,6 +7,7 @@
#include <spdlog/details/synchronous_factory.h>
#include <spdlog/sinks/sink.h>
#include <cstdio>
#include <spdlog/details/windows_include.h>
namespace spdlog {
@ -36,6 +37,9 @@ protected:
mutex_t &mutex_;
FILE *file_;
std::unique_ptr<spdlog::formatter> formatter_;
#ifdef _WIN32
HANDLE handle_;
#endif // WIN32
};
template<typename ConsoleMutex>