Unzip a Single File by Index

Unzip a single file by index.

Download Chilkat C/C++ Libraries for VC++ 9.0 / Win32

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Download Chilkat C/C++ Libraries for VC++ 6.0, Win 95/98/NT4 Compatible

#include <C_CkZip.h>
#include <C_CkZipEntry.h>

void ChilkatSample(void)
    {
    HCkZip zip;
    BOOL success;
    long n;
    HCkZipEntry entry;

    zip = CkZip_Create();

    //  Any string unlocks the component for the 1st 30-days.
    success = CkZip_UnlockComponent(zip,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkZip_lastErrorText(zip));
        return;
    }

    success = CkZip_OpenZip(zip,"my_photos.zip");
    if (success != TRUE) {
        printf("%s\n",CkZip_lastErrorText(zip));
        return;
    }

    //  How many files and directory entries are in this .zip?

    n = CkZip_getNumEntries(zip);
    printf("Num entries = %d\n",n);

    //  Let's say we want to unzip the 3rd entry:

    entry = CkZip_GetEntryByIndex(zip,2);
    if (entry == 0 ) {
        printf("Index out of range!\n");
        return;
    }
    else {
        //  Unzip it to C:/myTempDir
        success = CkZipEntry_ExtractInto(entry,"c:/myTempDir");
        if (success != TRUE) {
            printf("%s\n",CkZipEntry_lastErrorText(entry));
            return;
        }
        else {
            printf("Extracted 1 file!\n");
        }

    }



    CkZip_Dispose(zip);

    }