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/* SPDX-License-Identifier: MIT OR GPL-3.0-only */
/* test.c
* strophe XMPP client library -- common routines for tests
*
* Copyright (C) 2014 Dmitry Podgorny <pasis.ua@gmail.com>
*
* This software is provided AS-IS with no warranty, either express
* or implied.
*
* This program is dual licensed under the MIT or GPLv3 licenses.
*/
#include <assert.h>
#include <string.h>
#include "test.h"
static uint8_t char_to_bin(char c)
{
return c <= '9' ? (uint8_t)(c - '0')
: c <= 'Z' ? (uint8_t)(c - 'A' + 10)
: (uint8_t)(c - 'a' + 10);
}
void test_hex_to_bin(const char *hex, uint8_t *bin, size_t *bin_len)
{
size_t len = strlen(hex);
size_t i;
assert(len % 2 == 0);
for (i = 0; i < len / 2; ++i) {
bin[i] = char_to_bin(hex[i * 2]) * 16 + char_to_bin(hex[i * 2 + 1]);
}
*bin_len = len / 2;
}
const char *test_bin_to_hex(const uint8_t *bin, size_t len)
{
static char buf[2048];
size_t i;
static const char hex[] = {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
assert(ARRAY_SIZE(buf) > len * 2);
for (i = 0; i < len; ++i) {
buf[i * 2] = hex[(bin[i] >> 4) & 0x0f];
buf[i * 2 + 1] = hex[bin[i] & 0x0f];
}
buf[len * 2] = '\0';
return buf;
}
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