Sample code for 30+ languages & platforms
Unicode C

Transition from Zip.AppendString to Zip.AddString

Provides instructions for replacing deprecated AppendString method calls with AddString.

Chilkat Unicode C Downloads

Unicode C
#include <C_CkZipW.h>
#include <C_CkZipEntryW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkZipW zip;
    const wchar_t *pathInZip;
    const wchar_t *textData;
    HCkZipEntryW entryObj;
    HCkZipEntryW ze;
    int index;

    success = FALSE;

    zip = CkZipW_Create();

    //  ...
    //  ...
    pathInZip = L"example.txt";
    textData = L"This is a test";

    //  ------------------------------------------------------------------------
    //  The AppendString method is deprecated:

    entryObj = CkZipW_AppendString(zip,pathInZip,textData);
    if (CkZipW_getLastMethodSuccess(zip) == FALSE) {
        wprintf(L"%s\n",CkZipW_lastErrorText(zip));
        CkZipW_Dispose(zip);
        return;
    }

    //  ...
    //  ...

    CkZipEntryW_Dispose(entryObj);

    //  ------------------------------------------------------------------------
    //  Do the equivalent using AddString.

    //  Instead of returning the zip entry object, we just return success/failure.
    success = CkZipW_AddString(zip,pathInZip,textData,L"utf-8");
    if (success == FALSE) {
        wprintf(L"%s\n",CkZipW_lastErrorText(zip));
        CkZipW_Dispose(zip);
        return;
    }

    //  Do the following if you need the zip entry object for what was just appended.
    //  The newly appended entry is the last one.
    ze = CkZipEntryW_Create();
    index = CkZipW_getNumEntries(zip) - 1;
    CkZipW_EntryAt(zip,index,ze);


    CkZipW_Dispose(zip);
    CkZipEntryW_Dispose(ze);

    }