forked from mirrors/linux
890a3ee3ce
For the sake of cleaning up the kernel.h split the hexadecimal related helpers to own header called 'hex.h'. Link: https://lkml.kernel.org/r/20230323155029.40000-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
35 lines
884 B
C
35 lines
884 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_HEX_H
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#define _LINUX_HEX_H
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#include <linux/types.h>
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extern const char hex_asc[];
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#define hex_asc_lo(x) hex_asc[((x) & 0x0f)]
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#define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4]
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static inline char *hex_byte_pack(char *buf, u8 byte)
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{
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*buf++ = hex_asc_hi(byte);
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*buf++ = hex_asc_lo(byte);
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return buf;
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}
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extern const char hex_asc_upper[];
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#define hex_asc_upper_lo(x) hex_asc_upper[((x) & 0x0f)]
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#define hex_asc_upper_hi(x) hex_asc_upper[((x) & 0xf0) >> 4]
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static inline char *hex_byte_pack_upper(char *buf, u8 byte)
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{
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*buf++ = hex_asc_upper_hi(byte);
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*buf++ = hex_asc_upper_lo(byte);
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return buf;
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}
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extern int hex_to_bin(unsigned char ch);
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extern int __must_check hex2bin(u8 *dst, const char *src, size_t count);
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extern char *bin2hex(char *dst, const void *src, size_t count);
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bool mac_pton(const char *s, u8 *mac);
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#endif
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