C

Create a Zip Entirely in Memory

See more Zip Examples

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 <C_CkCrypt2.h>
#include <C_CkZip.h>
#include <C_CkBinData.h>
#include <C_CkByteData.h>
#include <C_CkFileAccess.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkCrypt2 crypt;
    HCkZip zip;
    HCkBinData bd;
    HCkByteData zipFileInMemory;
    HCkFileAccess fac;

    success = FALSE;

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

    crypt = CkCrypt2_Create();
    zip = CkZip_Create();

    success = CkZip_NewZip(zip,"test.zip");
    if (success == FALSE) {
        printf("%s\n",CkZip_lastErrorText(zip));
        CkCrypt2_Dispose(crypt);
        CkZip_Dispose(zip);
        return;
    }

    //  Add the bytes 0x00 0x01 0x02 0x03 ... 0x0F as a file in the .zip
    bd = CkBinData_Create();
    CkBinData_AppendEncoded(bd,"000102030405060708090A0B0C0D0E0F","hex");
    CkZip_AddBd(zip,"binaryData.dat",bd);

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

    zipFileInMemory = CkByteData_Create();
    success = CkZip_WriteToMemory(zip,zipFileInMemory);

    //  We could save these files to a file, and it is a valid .zip
    fac = CkFileAccess_Create();
    success = CkFileAccess_WriteEntireFile(fac,"test.zip",zipFileInMemory);
    if (success == FALSE) {
        printf("%s\n",CkFileAccess_lastErrorText(fac));
        CkCrypt2_Dispose(crypt);
        CkZip_Dispose(zip);
        CkBinData_Dispose(bd);
        CkByteData_Dispose(zipFileInMemory);
        CkFileAccess_Dispose(fac);
        return;
    }

    printf("Zip Created!\n");


    CkCrypt2_Dispose(crypt);
    CkZip_Dispose(zip);
    CkBinData_Dispose(bd);
    CkByteData_Dispose(zipFileInMemory);
    CkFileAccess_Dispose(fac);

    }