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Message-Id: <1379093833-4949-3-git-send-email-nautsch2@gmail.com>
Date: Fri, 13 Sep 2013 19:37:12 +0200
From: Andre Naujoks <nautsch2@...il.com>
To: davem@...emloft.net, Andrew Morton <akpm@...ux-foundation.org>,
Steven Rostedt <rostedt@...dmis.org>,
Rusty Russell <rusty@...tcorp.com.au>,
Arnd Bergmann <arnd@...db.de>,
"Michael S. Tsirkin" <mst@...hat.com>,
Vladimir Kondratiev <qca_vkondrat@....qualcomm.com>,
Jason Baron <jbaron@...hat.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org
Cc: linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH net 2/3] lib: introduce upper case hex ascii helpers
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@...il.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
--
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