/* | |
* utils.c | |
* | |
* Copyright (C) 2019-2020 Sylvain Munaut <tnt@246tNt.com> | |
* SPDX-License-Identifier: LGPL-3.0-or-later | |
*/ | |
#include <stdint.h> | |
#include <stdbool.h> | |
char * | |
hexstr(void *d, int n, bool space) | |
{ | |
static const char * const hex = "0123456789abcdef"; | |
static char buf[96]; | |
uint8_t *p = d; | |
char *s = buf; | |
char c; | |
while (n--) { | |
c = *p++; | |
*s++ = hex[c >> 4]; | |
*s++ = hex[c & 0xf]; | |
if (space) | |
*s++ = ' '; | |
} | |
s[space?-1:0] = '\0'; | |
return buf; | |
} |