IWL_RFI_BUF_SIZE
char buf[IWL_RFI_BUF_SIZE];
scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");