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Add BIN2HEX and HEX2BIN macros (trivial). 

They're generally useful for lots of stuff, but especially for converting
to/from the compact 160 bit (20 byte) representation of SHA-1 hashes to
the "hex" representation (same as 'sha1sum' output), which is 40 bytes long.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3213 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Uwe Hermann 2008-04-04 13:16:33 +00:00
parent 3995593b68
commit 1bee6f9b9c
1 changed files with 4 additions and 0 deletions
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4
payloads/libpayload/include/libpayload.h
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@ -41,6 +41,10 @@
#define MAX(a,b) ((a) > (b) ? (a) : (b)) #define MAX(a,b) ((a) > (b) ? (a) : (b))
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#define BIN2HEX(b) ("0123456789abcdef"[b & 15])
#define HEX2BIN(h) (('0' <= h && h <= '9') ? (h - '0') : \
('a' <= h && h <= 'f') ? (h - 'a' + 10) : 0)
#define LITTLE_ENDIAN 1234 #define LITTLE_ENDIAN 1234
#define BIG_ENDIAN 4321 #define BIG_ENDIAN 4321
#ifdef CONFIG_TARGET_I386 #ifdef CONFIG_TARGET_I386