C++

Create a Zip Entirely in Memory

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Demonstrates how to create a .zip from in-memory byte data and strings, and to write the .zip to an in-memory image. C++

#include <CkCrypt2.h>
#include <CkZip.h>
#include <CkBinData.h>
#include <CkByteData.h>
#include <CkFileAccess.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkCrypt2 crypt;
    CkZip zip;

    success = zip.NewZip("test.zip");
    if (success == false) {
        std::cout << zip.lastErrorText() << "\r\n";
        return;
    }

    //  Add the bytes 0x00 0x01 0x02 0x03 ... 0x0F as a file in the .zip
    CkBinData bd;
    bd.AppendEncoded("000102030405060708090A0B0C0D0E0F","hex");
    zip.AddBd("binaryData.dat",bd);

    //  Add the string "Hello World!" to the .zip
    zip.AddString("helloWorld.txt","Hello World!","utf-8");

    CkByteData zipFileInMemory;
    success = zip.WriteToMemory(zipFileInMemory);

    //  We could save these files to a file, and it is a valid .zip
    CkFileAccess fac;
    success = fac.WriteEntireFile("test.zip",zipFileInMemory);
    if (success == false) {
        std::cout << fac.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "Zip Created!" << "\r\n";
    }