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#include "../../git-compat-util.h"
 
static HANDLE ms_eventlog;
 
void openlog(const char *ident, int logopt, int facility)
{
	if (ms_eventlog)
		return;
 
	ms_eventlog = RegisterEventSourceA(NULL, ident);
 
	if (!ms_eventlog)
		warning("RegisterEventSource() failed: %lu", GetLastError());
}
 
void syslog(int priority, const char *fmt, ...)
{
	WORD logtype;
	char *str, *pos;
	int str_len;
	va_list ap;
 
	if (!ms_eventlog)
		return;
 
	va_start(ap, fmt);
	str_len = vsnprintf(NULL, 0, fmt, ap);
	va_end(ap);
 
	if (str_len < 0) {
		warning("vsnprintf failed: '%s'", strerror(errno));
		return;
	}
 
	str = malloc(str_len + 1);
	if (!str) {
		warning("malloc failed: '%s'", strerror(errno));
		return;
	}
 
	va_start(ap, fmt);
	vsnprintf(str, str_len + 1, fmt, ap);
	va_end(ap);
 
	while ((pos = strstr(str, "%1")) != NULL) {
		str = realloc(str, ++str_len + 1);
		if (!str) {
			warning("realloc failed: '%s'", strerror(errno));
			return;
		}
		memmove(pos + 2, pos + 1, strlen(pos));
		pos[1] = ' ';
	}
 
	switch (priority) {
	case LOG_EMERG:
	case LOG_ALERT:
	case LOG_CRIT:
	case LOG_ERR:
		logtype = EVENTLOG_ERROR_TYPE;
		break;
 
	case LOG_WARNING:
		logtype = EVENTLOG_WARNING_TYPE;
		break;
 
	case LOG_NOTICE:
	case LOG_INFO:
	case LOG_DEBUG:
	default:
		logtype = EVENTLOG_INFORMATION_TYPE;
		break;
	}
 
	ReportEventA(ms_eventlog, logtype, 0, 0, NULL, 1, 0,
	    (const char **)&str, NULL);
	free(str);
}