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Fixed rotating_logger_mt does not rotate properly if app restarts #116

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gabime 2015-08-14 21:16:08 +03:00
parent f8b728ea8a
commit ea1a92769b
2 changed files with 26 additions and 0 deletions
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25
include/spdlog/details/file_helper.h
View File

@ -113,6 +113,29 @@ public:
} }
long size()
{
if (!_fd)
throw spdlog_ex("Cannot use size() on closed file " + _filename);
auto pos = ftell(_fd);
if (fseek(_fd, 0, SEEK_END) != 0)
throw spdlog_ex("fseek failed on file " + _filename);
auto size = ftell(_fd);
if(fseek(_fd, pos, SEEK_SET) !=0)
throw spdlog_ex("fseek failed on file " + _filename);
if (size == -1)
throw spdlog_ex("ftell failed on file " + _filename);
return size;
}
const std::string& filename() const const std::string& filename() const
{ {
return _filename; return _filename;
@ -132,6 +155,8 @@ public:
} }
} }
private: private:
FILE* _fd; FILE* _fd;
std::string _filename; std::string _filename;

1
include/spdlog/sinks/file_sinks.h
View File

@ -82,6 +82,7 @@ public:
_file_helper(force_flush) _file_helper(force_flush)
{ {
_file_helper.open(calc_filename(_base_filename, 0, _extension)); _file_helper.open(calc_filename(_base_filename, 0, _extension));
_current_size = _file_helper.size(); //expensive. called only once
} }
void flush() override void flush() override