(Unicode C) REST Download Binary File to Memory

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Download a binary file to a Chilkat BinData object.

Chilkat C/C++ Library Downloads
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#include <C_CkRestW.h>
#include <C_CkBinDataW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    HCkRestW rest;
    BOOL success;
    const wchar_t *pathPartOfUrl;
    const wchar_t *domain;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    BOOL success;
    HCkBinDataW bd;
    HCkStringBuilderW sbErrorText;

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    rest = CkRestW_Create();

    // We're going to download a sample MS-Word doc file.
    // The URLs of our MS-Word sample documents are:

    // https://www.chilkatdownload.com/sample_data/sample.doc
    // https://www.chilkatdownload.com/sample_data/sample.docx

    pathPartOfUrl = L"/sample_data/sample.doc";
    domain = L"chilkatdownload.com";

    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,domain,port,bTls,bAutoReconnect);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        return;
    }

    bd = CkBinDataW_Create();
    success = CkRestW_FullRequestNoBodyBd(rest,L"GET",pathPartOfUrl,bd);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkBinDataW_Dispose(bd);
        return;
    }

    // A 200 response is expected for actual success.
    // If we don't get a 200 response, then the response body was not actually
    // the file data, but it was text containing error information.
    if (CkRestW_getResponseStatusCode(rest) != 200) {
        sbErrorText = CkStringBuilderW_Create();
        CkStringBuilderW_AppendBd(sbErrorText,bd,L"utf-8",0,0);
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbErrorText));
        wprintf(L"-- Failed.\n");
        CkRestW_Dispose(rest);
        CkBinDataW_Dispose(bd);
        CkStringBuilderW_Dispose(sbErrorText);
        return;
    }

    // Save to a local file.
    // Change the file path based on your operating system or needs...
    success = CkBinDataW_WriteFile(bd,L"c:/temp/qa_output/sample.doc");
    if (success != TRUE) {
        wprintf(L"Failed to save to local file.\n");
        CkRestW_Dispose(rest);
        CkBinDataW_Dispose(bd);
        CkStringBuilderW_Dispose(sbErrorText);
        return;
    }

    wprintf(L"REST Download of MS-Word File was successful.\n");


    CkRestW_Dispose(rest);
    CkBinDataW_Dispose(bd);
    CkStringBuilderW_Dispose(sbErrorText);

    }