/*
 * Copyright (c) 2015 Carsten Larsen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include "platform.h"

uint8_t *buffer = NULL;
void *alloced_buffer = NULL;
struct RDArgs *rdargs = NULL;

void args_error(char *program) {
    fprintf(stderr, "%s: %s\n", program, "Wrong arguments");
}

void alloc_buffer(void) {
    long offs;

    if (!(buffer = AllocVec(SHA_BUFFER_SIZE + 7, MEMF_ANY | MEMF_CLEAR))) {
        exit(1);
    }

    alloced_buffer = buffer;

    if ((offs = (long) buffer & 7L))
        buffer += 8 - offs;
}

void clean_exit()
{
    if (alloced_buffer != NULL) {
        memset(buffer, 0, SHA_BUFFER_SIZE);
        FreeVec(alloced_buffer);
    }

    if (rdargs) {
        FreeArgs(rdargs);
        rdargs = NULL;
    }
}