/*
 * coreHTTP v3.0.0
 * 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.
 */

/**
 * @file httpParserOnHeaderFieldCallback_harness.c
 * @brief Implements the proof harness for httpParserOnHeaderFieldCallback function.
 */

#include "http_cbmc_state.h"
#include "llhttp.h"
#include "callback_stubs.h"

int __CPROVER_file_local_core_http_client_c_httpParserOnHeaderFieldCallback( llhttp_t * pHttpParser,
                                                                             const char * pLoc,
                                                                             size_t length );

void httpParserOnHeaderFieldCallback_harness()
{
    llhttp_t * pHttpParser;
    HTTPParsingContext_t * pParsingContext;
    HTTPResponse_t * pResponse;
    HTTPClient_ResponseHeaderParsingCallback_t headerParserCallback;
    size_t length, locOffset;
    char * pLoc;

    pHttpParser = allocateHttpSendParser( NULL );

    pParsingContext = ( HTTPParsingContext_t * ) ( pHttpParser->data );
    headerParserCallback.onHeaderCallback = onHeaderCallbackStub;

    pResponse = pParsingContext->pResponse;
    pResponse->pHeaderParsingCallback = &headerParserCallback;

    __CPROVER_assume( locOffset <= pResponse->bufferLen );
    __CPROVER_assume( length <= pResponse->bufferLen - locOffset );
    pLoc = pResponse->pBuffer + locOffset;

    /* This assumption suppresses an overflow error when incrementing pResponse->headerCount. */
    __CPROVER_assume( pResponse->headerCount < SIZE_MAX );

    __CPROVER_file_local_core_http_client_c_httpParserOnHeaderFieldCallback( pHttpParser, pLoc, length );
}