void vmessage(Severity severity, const char* fmt, va_list ap){
static char buf[255]; /* this isn't thread-safe anyway, might as well make it static */
std::unique_ptr<char, free_delete> content(vasprintf2(fmt, ap));
std::unique_ptr<char, free_delete> decorated(asprintf2("(%s) [%s] %s", severity_string(severity), timestring(buf, 255), content.get()));
for ( iterator it = destinations.begin(); it != destinations.end(); ++it ){
if ( severity < it->second ) continue;
Destination* dst = it->first;
dst->write(content.get(), decorated.get());
}
}
static void add_destination(Severity severity, FILE* dst, bool autoclose){
Destination* o = new Destination(severity, dst, false);
output.push_back(o);
if ( dst == stdout || dst == stderr ){
return;
}
#ifdef HAVE_GETTIMEOFDAY
struct timeval tv;
gettimeofday(&tv, nullptr);
struct tm* local = localtime(&tv.tv_sec);
#else
__time64_t tv;
struct tm tm, *local = &tm;
_time64(&tv);
_localtime64_s(local, &tv);
#endif
char buf[64] = {0,};
strftime(buf, sizeof(buf), "\nLogging started at %Y-%m-%d %H.%M.%S\n", local);
o->write(INFO, buf);
}