diff options
Diffstat (limited to 'arch/alpha/lib/srm_printk.c')
-rw-r--r-- | arch/alpha/lib/srm_printk.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/alpha/lib/srm_printk.c b/arch/alpha/lib/srm_printk.c new file mode 100644 index 0000000000..6276eed762 --- /dev/null +++ b/arch/alpha/lib/srm_printk.c @@ -0,0 +1,42 @@ +// 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; +} |