(C) Unzip Selected Files from a Zip Archive

Demonstrates how to iterate over the files contained within a .zip and unzip specific files.

Note: This example requires Chilkat v11.0.0 or greater.

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

void ChilkatSample(void)
    {
    BOOL success;
    HCkZip zip;
    const char *unzipDir;
    int n;
    HCkZipEntry entry;
    int i;

    success = FALSE;

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

    zip = CkZip_Create();

    success = CkZip_OpenZip(zip,"my_files.zip");
    if (success == FALSE) {
        printf("%s\n",CkZip_lastErrorText(zip));
        CkZip_Dispose(zip);
        return;
    }

    unzipDir = "/temp/unzipDir";

    // Get the number of files and directories in the .zip
    n = CkZip_getNumEntries(zip);

    entry = CkZipEntry_Create();

    i = 0;
    while (i < n) {

        CkZip_EntryAt(zip,i,entry);
        if (CkZipEntry_getIsDirectory(entry) == FALSE) {
            // (the filename may include a path)
            printf("%s\n",CkZipEntry_fileName(entry));

            // Your application may choose to unzip this entry
            // based on the filename.
            // If the entry should be unzipped, then call Extract(unzipDir)
            success = CkZipEntry_Extract(entry,unzipDir);
            if (success == FALSE) {
                printf("%s\n",CkZipEntry_lastErrorText(entry));
                CkZip_Dispose(zip);
                CkZipEntry_Dispose(entry);
                return;
            }

        }

        i = i + 1;
    }



    CkZip_Dispose(zip);
    CkZipEntry_Dispose(entry);

    }