Quoted-Printable Encode/Decode a String

C example to quoted-printable encode and decode a string.

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#include <C_CkCrypt2.h>

void ChilkatSample(void)
    {
    HCkCrypt2 crypt;
    BOOL success;
    const char * s;
    const char * qp;
    const char * decoded;

    crypt = CkCrypt2_Create();

    //  Any string argument automatically begins the 30-day trial.

    success = CkCrypt2_UnlockComponent(crypt,"30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkCrypt2_lastErrorText(crypt));
        return;
    }

    //  Here's a string in Icelandic using non us-ascii chars:

    s = "Ég get etið gler án þess að meiða mig.";

    CkCrypt2_putCryptAlgorithm(crypt,"none");
    CkCrypt2_putEncodingMode(crypt,"quoted-printable");

    //  Quoted-printable encode/decode the iso-8859-1
    //  representation of the string.  Notice how each
    //  Icelandic char is represented by 1 byte:
    CkCrypt2_putCharset(crypt,"iso-8859-1");

    qp = CkCrypt2_encryptStringENC(crypt,s);
    printf("iso-8859-1:\n");
    printf("%s\n",qp);

    decoded = CkCrypt2_decryptStringENC(crypt,qp);
    printf("%s\n",decoded);

    //  Now do the same using utf-8. Notice how each
    //  Icelandic char is represented by 2 bytes in utf-8:
    CkCrypt2_putCharset(crypt,"utf-8");

    qp = CkCrypt2_encryptStringENC(crypt,s);
    printf("utf-8:\n");
    printf("%s\n",qp);

    decoded = CkCrypt2_decryptStringENC(crypt,qp);
    printf("%s\n",decoded);

    CkCrypt2_Dispose(crypt);

    }