netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andre Naujoks <nautsch2@gmail.com>
To: davem@davemloft.net, Andrew Morton <akpm@linux-foundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Arnd Bergmann <arnd@arndb.de>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>,
	Jason Baron <jbaron@redhat.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org
Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH net 2/3] lib: introduce upper case hex ascii helpers
Date: Fri, 13 Sep 2013 19:37:12 +0200	[thread overview]
Message-ID: <1379093833-4949-3-git-send-email-nautsch2@gmail.com> (raw)
In-Reply-To: <1379093833-4949-1-git-send-email-nautsch2@gmail.com>

To be able to use the hex ascii functions in case sensitive environments
the array hex_asc_upper[] and the needed functions for hex_byte_pack_upper()
are introduced.

Signed-off-by: Andre Naujoks <nautsch2@gmail.com>
---
 include/linux/kernel.h | 11 +++++++++++
 lib/hexdump.c          |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 482ad2d..672ddc4 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -439,6 +439,17 @@ static inline char *hex_byte_pack(char *buf, u8 byte)
 	return buf;
 }
 
+extern const char hex_asc_upper[];
+#define hex_asc_upper_lo(x)	hex_asc_upper[((x) & 0x0f)]
+#define hex_asc_upper_hi(x)	hex_asc_upper[((x) & 0xf0) >> 4]
+
+static inline char *hex_byte_pack_upper(char *buf, u8 byte)
+{
+	*buf++ = hex_asc_upper_hi(byte);
+	*buf++ = hex_asc_upper_lo(byte);
+	return buf;
+}
+
 static inline char * __deprecated pack_hex_byte(char *buf, u8 byte)
 {
 	return hex_byte_pack(buf, byte);
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 3f0494c..8499c81 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -14,6 +14,8 @@
 
 const char hex_asc[] = "0123456789abcdef";
 EXPORT_SYMBOL(hex_asc);
+const char hex_asc_upper[] = "0123456789ABCDEF";
+EXPORT_SYMBOL(hex_asc_upper);
 
 /**
  * hex_to_bin - convert a hex digit to its real value
-- 
1.8.4.rc3

  parent reply	other threads:[~2013-09-13 17:37 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-13 17:37 [PATCH net 0/3] SLCAN/SLIP fixes and performance Andre Naujoks
2013-09-13 17:37 ` [PATCH net 1/3] slip/slcan: added locking in wakeup function Andre Naujoks
2013-09-13 18:45   ` Oliver Hartkopp
2013-09-19  9:36   ` Marc Kleine-Budde
2013-09-19 10:29     ` Andre Naujoks
2013-09-19 10:35       ` Marc Kleine-Budde
2013-09-19 10:43         ` Peter Hurley
2013-09-13 17:37 ` Andre Naujoks [this message]
2013-09-15  4:27   ` [PATCH net 2/3] lib: introduce upper case hex ascii helpers Thiago Farina
2013-09-15  4:35     ` Andrew Morton
2013-09-19  9:38       ` Marc Kleine-Budde
2013-09-19  9:57         ` Oliver Hartkopp
2013-09-13 17:37 ` [PATCH net 3/3] slcan: rewrite of slc_bump and slc_encaps Andre Naujoks
2013-09-13 18:43   ` Oliver Hartkopp
2013-09-19  9:47   ` Marc Kleine-Budde
2013-09-14 10:45 ` [PATCH net 0/3] SLCAN/SLIP fixes and performance Marc Kleine-Budde
2013-09-14 11:22   ` Andre Naujoks
2013-09-20 19:39 ` David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1379093833-4949-3-git-send-email-nautsch2@gmail.com \
    --to=nautsch2@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=arnd@arndb.de \
    --cc=davem@davemloft.net \
    --cc=gregkh@linuxfoundation.org \
    --cc=jbaron@redhat.com \
    --cc=linux-can@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mst@redhat.com \
    --cc=netdev@vger.kernel.org \
    --cc=qca_vkondrat@qca.qualcomm.com \
    --cc=rostedt@goodmis.org \
    --cc=rusty@rustcorp.com.au \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).