// SPDX-License-Identifier: GPL-2.0
/*
 *      arch/alpha/lib/srm_printk.c
 */

#include <linux/kernel.h>
#include <asm/console.h>

long
srm_printk(const char *fmt, ...)
{
        static char buf[1024];
        va_list args;
        long len, num_lf;
        char *src, *dst;

        va_start(args, fmt);
        len = vsprintf(buf, fmt, args);
        va_end(args);

        /* count number of linefeeds in string: */

        num_lf = 0;
        for (src = buf; *src; ++src) {
                if (*src == '\n') {
                        ++num_lf;
                }
        }

        if (num_lf) {
                /* expand each linefeed into carriage-return/linefeed: */
                for (dst = src + num_lf; src >= buf; ) {
                        if (*src == '\n') {
                                *dst-- = '\r';
                        }
                        *dst-- = *src--;
                }
        }

        srm_puts(buf, num_lf+len);      
        return len;
}