/*
 * coreJSON v3.2.0
 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * SPDX-License-Identifier: MIT
 *
 * 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.
 */

#include "skipGeneric.h"

/**
 * See skipGeneric.h for docs
 *
 * Advance buffer index beyond some minimum value.
 */
static bool skipGeneric( const char * buf,
                         size_t * start,
                         size_t max,
                         size_t min )
{
    bool ret = false;

    assert( ( buf != NULL ) && ( start != NULL ) );
    assert( min > 0 );

    if( *start < max )
    {
        assert( __CPROVER_r_ok( ( buf + *start ), ( max - *start ) ) );

        if( nondet_bool() && ( min <= max ) )
        {
            size_t x;
            __CPROVER_assume( x >= min );
            __CPROVER_assume( x <= max );

            if( ( *start + x ) <= max )
            {
                *start = *start + x;
                ret = true;
            }
        }
    }

    return ret;
}