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