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