/*
* Append a string to <buf>, formatted according to <fmt> and the subsequent parameters.
*/
Buffer *bufAddF(Buffer *buf, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
bufAddV(buf, fmt, ap);
va_end(ap);
return buf;
}
/*
* Log <fmt> and the subsequent parameters through <logger>, *without* any
* prefixes. Useful to continue a previous log message.
*/
void logAppend(Logger *logger, const char *fmt, ...)
{
va_list ap;
pthread_mutex_lock(&logger->access);
bufClear(&logger->scratch);
va_start(ap, fmt);
bufAddV(&logger->scratch, fmt, ap);
va_end(ap);
log_output(logger);
pthread_mutex_unlock(&logger->access);
}
/*
* This function assists in building textual lists of the form "Tom, Dick and Harry". Call it three
* times with the arguments "Tom", "Dick" and "Harry". Set sep1 to ", " and sep2 to " and ". Set
* is_first to TRUE when passing in "Tom", set is_last to TRUE when passing in "Harry", set them
* both to FALSE for "Dick". Returns the same pointer to <buf> that was passed in.
*/
Buffer *bufList(Buffer *buf, const char *sep1, const char *sep2,
int is_first, int is_last, const char *fmt, ...)
{
va_list ap;
if (!is_first) {
if (is_last)
bufAddF(buf, "%s", sep2);
else
bufAddF(buf, "%s", sep1);
}
va_start(ap, fmt);
bufAddV(buf, fmt, ap);
va_end(ap);
return buf;
}
/*
* Send out a logging message using <fmt> and the subsequent parameters through
* <logger>. <file>, <line> and <func> are filled in by the logWrite macro,
* which should be used to call this function.
*/
void _logWrite(Logger *logger,
const char *file, int line, const char *func, const char *fmt, ...)
{
va_list ap;
pthread_mutex_lock(&logger->access);
bufClear(&logger->scratch);
log_write_prefixes(logger, file, line, func);
va_start(ap, fmt);
bufAddV(&logger->scratch, fmt, ap);
va_end(ap);
log_output(logger);
pthread_mutex_unlock(&logger->access);
}
/*
* Replace <buf> with a string formatted according to <fmt> and the subsequent parameters contained
* in <ap>.
*/
Buffer *bufSetV(Buffer *buf, const char *fmt, va_list ap)
{
bufClear(buf);
return bufAddV(buf, fmt, ap);
}
