(MFC) Gzip a File

Demonstrates how to create a .gz (gzipped file).

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkGzip.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkGzip gzip;

    // This will create a .gz such that when ungzipped by a tool such as 7-Zip,
    // it will create "qa_data/hamlet.xml".
    bool success = gzip.CompressFile("qa_data/hamlet.xml","qa_output/hamlet.xml.gz");
    if (success == false) {
        strOut.append(gzip.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Call CompressFile2 to explicitly specify the ungzip path
    // For example, this will create a .gz such that when ungzipped by a tool such as 7-Zip,
    // it will create "hamlet.xml".
    const char *embeddedExtractPath = "hamlet.xml";
    success = gzip.CompressFile2("qa_data/hamlet.xml",embeddedExtractPath,"qa_output/hamlet2.xml.gz");
    if (success == false) {
        strOut.append(gzip.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("Success.");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }