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45 lines
898 B
C
45 lines
898 B
C
/*
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* Copyright (c) 2017 Nordic Semiconductor ASA
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* Copyright (c) 2016 Vinayak Kariappa Chettimada
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* Copyright (c) 2015-2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include "mesh_types.h"
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#include "mesh_util.h"
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const char *bt_hex(const void *buf, size_t len)
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{
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static const char hex[] = "0123456789abcdef";
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static char hexbufs[2][129];
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static uint8_t curbuf;
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const uint8_t *b = buf;
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char *str = NULL;
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int i;
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str = hexbufs[curbuf++];
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curbuf %= ARRAY_SIZE(hexbufs);
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len = MIN(len, (sizeof(hexbufs[0]) - 1) / 2);
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for (i = 0; i < len; i++) {
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str[i * 2] = hex[b[i] >> 4];
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str[i * 2 + 1] = hex[b[i] & 0xf];
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}
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str[i * 2] = '\0';
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return str;
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}
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void mem_rcopy(uint8_t *dst, uint8_t const *src, uint16_t len)
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{
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src += len;
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while (len--) {
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*dst++ = *--src;
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}
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}
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