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| author | Uwe Hermann <uwe@hermann-uwe.de> | 2008-04-04 13:16:33 +0000 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2008-04-04 13:16:33 +0000 |
| commit | 1bee6f9b9c456854feff78a72d7ac3fb915454af (patch) | |
| tree | 448492c1ffb708629bdb4a82295c906525dbac59 | |
| parent | 3995593b6861e62b6a97207d5d6e28385be229bf (diff) | |
| download | coreboot-1bee6f9b9c456854feff78a72d7ac3fb915454af.tar.xz | |
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
| -rw-r--r-- | payloads/libpayload/include/libpayload.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index 5595ff6978..2cdb0d00f6 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -41,6 +41,10 @@ #define MAX(a,b) ((a) > (b) ? (a) : (b)) #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 BIG_ENDIAN 4321 #ifdef CONFIG_TARGET_I386 |