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Commit c26d436c authored by Andre Naujoks's avatar Andre Naujoks Committed by David S. Miller
Browse files

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: default avatarAndre Naujoks <nautsch2@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cc9fa74e

include/linux/kernel.h

+11 −0
Original line number Diff line number Diff line
@@ -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);

lib/hexdump.c

+2 −0
Original line number Diff line number Diff line
@@ -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