linux/linux-5.18.11/arch/alpha/lib/srm_printk.c

43 lines
692 B
C

// 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;
}