| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | /* |
| 3 | * arch/alpha/lib/srm_printk.c |
| 4 | */ |
| 5 | |
| 6 | #include <linux/kernel.h> |
| 7 | #include <asm/console.h> |
| 8 | |
| 9 | long |
| 10 | srm_printk(const char *fmt, ...) |
| 11 | { |
| 12 | static char buf[1024]; |
| 13 | va_list args; |
| 14 | long len, num_lf; |
| 15 | char *src, *dst; |
| 16 | |
| 17 | va_start(args, fmt); |
| 18 | len = vsprintf(buf, fmt, args); |
| 19 | va_end(args); |
| 20 | |
| 21 | /* count number of linefeeds in string: */ |
| 22 | |
| 23 | num_lf = 0; |
| 24 | for (src = buf; *src; ++src) { |
| 25 | if (*src == '\n') { |
| 26 | ++num_lf; |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | if (num_lf) { |
| 31 | /* expand each linefeed into carriage-return/linefeed: */ |
| 32 | for (dst = src + num_lf; src >= buf; ) { |
| 33 | if (*src == '\n') { |
| 34 | *dst-- = '\r'; |
| 35 | } |
| 36 | *dst-- = *src--; |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | srm_puts(buf, num_lf+len); |
| 41 | return len; |
| 42 | } |
| 43 |