/**
* Prints usage of the program to stdout and log filedescriptor
* @param exit_status Status of termination
* @param options Array of options supported
* @param Format string
* @param ... arguments
*/
void
usage(int exit_status, cli_options_t* options, const char* fmt, ...)
{
if (strlen(fmt))
{
va_list args;
va_start(args, fmt);
vlog_msgf(STDOUT_FILENO, LOG_ERR, fmt, args, 0);
vlog_msgf(_cnf->log_fd, LOG_ERR, fmt, args, 0);
va_end(args);
}
print_usage(STDOUT_FILENO, exit_status, options);
print_usage(_cnf->log_fd, exit_status, options);
}
/**
* Log a message to a filedescriptor.
* @param lf Log priority
* @param fmt Format string
* @param ... arguments
*/
void
ui_log(int lf,const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vlog_msgf(_cnf->log_fd, lf, fmt, ap, 0);
va_end(ap);
}
/**
* Prints an error message and terminates this program.
* @param fmt Format string
* @param ... Arguments
*/
void
ui_fatal(char* fmt, ...)
{
va_list args;
va_start(args, fmt);
vlog_msgf(_cnf->log_fd, LOG_ERR, fmt, args, 0);
va_end(args);
exit(EXIT_FAILURE);
}
/*! Log a message. This function automatically determines
* to which streams the message is logged.
* @param lf Log priority.
* @param fmt Format string.
* @param ... arguments
*/
void log_msg(int lf, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vlog_msgf(CNF(logf), lf, fmt, ap);
va_end(ap);
if (clog_ && (lf & LOG_FCONN))
{
va_start(ap, fmt);
vlog_msgf(clog_, lf, fmt, ap);
va_end(ap);
(void) fflush(clog_);
}
if (lf & LOG_FERR)
{
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}
}
/*! Log a message. This function automatically determines
* to which streams the message is logged.
* @param lf Log priority.
* @param fmt Format string.
* @param ... arguments
*/
void log_msg(int lf, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vlog_msgf(log_, lf, fmt, ap);
va_end(ap);
/* if (lf)
{
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}*/
}
