/*
 * International Chemical Identifier (InChI)
 * Version 1
 * Software version 1.07
 * April 30, 2024
 *
 * MIT License
 *
 * Copyright (c) 2024 IUPAC and InChI Trust
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
*
* The InChI library and programs are free software developed under the
 * auspices of the International Union of Pure and Applied Chemistry (IUPAC).
 * Originally developed at NIST.
 * Modifications and additions by IUPAC and the InChI Trust.
 * Some portions of code were developed/changed by external contributors
 * (either contractor or volunteer) which are listed in the file
 * 'External-contributors' included in this distribution.
 *
 * info@inchi-trust.org
 *
*/

/* djb-rwth: implementation of missing bounds - checking functions */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "ichirvrs.h"
#include "bcf_s.h"

int max_3(int a, int b, int c)
{
    if ((a > b) && (a > c))
        return a;
    else if ((b > a) && (b > c))
        return b;
    else
        return c;
}

int memcpy_custom(char** dst, char* src, unsigned long long len)
{
    char* dst_local = (char*)calloc(len, sizeof(char));
    char* src_local = src;
    int k;

    if (dst_local)
    {
        *dst = dst_local;
        for (k = 0; k < len; k++)
        {
            dst_local[k] = src_local[k];
        }
    }
    else
    {
        free(dst_local);
        free(src_local);
        return RI_ERR_ALLOC;
    }
    return 0;
}