diff options
| author | Maxime Ripard <maxime@cerno.tech> | 2023-05-12 09:47:12 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2023-05-12 09:47:12 +0200 |
| commit | 50282fd57bcd3525c9d81eef58df8718e4337c6d (patch) | |
| tree | 9795dfdb1a9b66904d9320f33c9216683d10576a /include/linux/hex.h | |
| parent | ad81e23426a651eb89a4b306e1c4169e6308c124 (diff) | |
| parent | ac9a78681b921877518763ba0e89202254349d1b (diff) | |
Merge drm/drm-fixes into drm-misc-fixes
Let's bring 6.4-rc1 in drm-misc-fixes to start the new fix cycle.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'include/linux/hex.h')
| -rw-r--r-- | include/linux/hex.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/hex.h b/include/linux/hex.h new file mode 100644 index 000000000000..2618382e5b0c --- /dev/null +++ b/include/linux/hex.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_HEX_H +#define _LINUX_HEX_H + +#include <linux/types.h> + +extern const char hex_asc[]; +#define hex_asc_lo(x) hex_asc[((x) & 0x0f)] +#define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] + +static inline char *hex_byte_pack(char *buf, u8 byte) +{ + *buf++ = hex_asc_hi(byte); + *buf++ = hex_asc_lo(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; +} + +extern int hex_to_bin(unsigned char ch); +extern int __must_check hex2bin(u8 *dst, const char *src, size_t count); +extern char *bin2hex(char *dst, const void *src, size_t count); + +bool mac_pton(const char *s, u8 *mac); + +#endif |
