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db8a511f68
Const variables in prototypes don't add much value, but make the code larger and redundant. Remove these const keywords. Note, this doesn't apply to pointers to const memory.
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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