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-rw-r--r--util-linux/dmesg.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/util-linux/dmesg.c b/util-linux/dmesg.c
index 2b59ee2..34519df 100644
--- a/util-linux/dmesg.c
+++ b/util-linux/dmesg.c
@@ -3,7 +3,8 @@
*
* dmesg - display/control kernel ring buffer.
*
- * Copyring 2006 Rob Landley <rob@landley.net>
+ * Copyright 2006 Rob Landley <rob@landley.net>
+ * Copyright 2006 Bernhard Fischer <rep.nop@aon.at>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
@@ -28,8 +29,24 @@ int dmesg_main(int argc, char *argv[])
buf = xmalloc(len);
if (0 > (len = klogctl(3 + (flags & 1), buf, len)))
bb_perror_msg_and_die("klogctl");
- write(1,buf,len);
- if (len && buf[len-1]!='\n') putchar('\n');
+
+ // Skip <#> at the start of lines, and make sure we end with a newline.
+
+ if (ENABLE_FEATURE_DMESG_PRETTY) {
+ int last = '\n';
+ int in;
+
+ for (in = 0; in<len;) {
+ if (last == '\n' && buf[in] == '<') in += 3;
+ else putchar(last = buf[in++]);
+ }
+ if (last != '\n') putchar('\n');
+ } else {
+ write(1,buf,len);
+ if (len && buf[len-1]!='\n') putchar('\n');
+ }
+
+ if (ENABLE_FEATURE_CLEAN_UP) free(buf);
}
return 0;