SWITCH_LOG_BUFSIZE
SWITCH_LOG_BUFSIZE;
return SWITCH_LOG_BUFSIZE - spufs_switch_log_used(ctx);
SWITCH_LOG_BUFSIZE);
p = ctx->switch_log->log + ctx->switch_log->tail % SWITCH_LOG_BUFSIZE;
SWITCH_LOG_BUFSIZE;
(ctx->switch_log->head + 1) % SWITCH_LOG_BUFSIZE;