Function vprintf

lib/ff_subr_prf.c:549–581

}

int
vprintf(const char *fmt, va_list ap)
{
    struct putchar_arg pca;
    int retval;

    pca.tty = NULL;
    pca.flags = TOCONS | TOLOG;
    pca.pri = -1;
#ifdef PRINTF_BUFR_SIZE
    pca.p_bufr = bufr;
    pca.p_next = pca.p_bufr;
    pca.n_bufr = sizeof(bufr);
    pca.remain = sizeof(bufr);
    *pca.p_next = '\0';
#else
    /* Don't buffer console output. */
    pca.p_bufr = NULL;
#endif

    putbuf_done = 0;

    retval = kvprintf(fmt, kputchar, &pca, 10, ap);

#ifdef PRINTF_BUFR_SIZE
    /* Write any buffered console/log output: */
    if (*pca.p_bufr != '\0' && putbuf_done == 0) {
        puts(pca.p_bufr);
    }
#endif

    return (retval);
}

void
vlog(int level, const char *fmt, va_list ap)