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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/alpha/lib/srm_printk.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/alpha/lib/srm_printk.c')
-rw-r--r--arch/alpha/lib/srm_printk.c42
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 000000000..6276eed76
--- /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;
+}