testing/misc_tools.c


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/* misc_tools.c
 * 
 * Miscellaneous functions and data structures for doing random things.
 *
 *  Copyright (C) 2013 Tox project All Rights Reserved.
 *
 *  This file is part of Tox.
 *
 *  Tox is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Tox is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Tox.  If not, see <http://www.gnu.org/licenses/>.
 *  
 */
 
#include "misc_tools.h"

#include <string.h>
#include <stdlib.h>
#include <stdio.h> /* for sscanf */

/* TODO: rewrite */
unsigned char * hex_string_to_bin(char hex_string[])
{
    size_t len = strlen(hex_string);
    unsigned char *val = malloc(len);
    char *pos = hex_string;
    int i;
    for(i = 0; i < len; ++i, pos+=2)
        sscanf(pos,"%2hhx",&val[i]);
    return val;
}