Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
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 | } |