(C) How to Copy IMAP Mail to another IMAP Server

Demonstrates how to copy the entire contents of an IMAP mailbox to another IMAP server.

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#include <C_CkImap.h>
#include <C_CkStringArray.h>

void ChilkatSample(void)
    {
    HCkImap imapSrc;
    BOOL success;
    HCkImap imapDest;
    int startSeqNum;
    int msgCount;
    HCkStringArray sa;
    int i;

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

    imapSrc = CkImap_Create();

    // Connect to our source IMAP server.
    success = CkImap_Connect(imapSrc,"imap.someMailServer.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        CkImap_Dispose(imapSrc);
        return;
    }

    // Login to the source IMAP server
    success = CkImap_Login(imapSrc,"admin@chilkatsoft.com","myPassword");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        CkImap_Dispose(imapSrc);
        return;
    }

    imapDest = CkImap_Create();

    // Connect to our destination IMAP server.
    success = CkImap_Connect(imapDest,"mail.example-code.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapDest));
        CkImap_Dispose(imapSrc);
        CkImap_Dispose(imapDest);
        return;
    }

    // Login to the destination IMAP server
    success = CkImap_Login(imapDest,"myLogin","myPassword");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapDest));
        CkImap_Dispose(imapSrc);
        CkImap_Dispose(imapDest);
        return;
    }

    // Select an IMAP mailbox on the source IMAP server
    success = CkImap_SelectMailbox(imapSrc,"Inbox");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        CkImap_Dispose(imapSrc);
        CkImap_Dispose(imapDest);
        return;
    }

    // After selecting a mailbox, the NumMessages property will
    // be updated to reflect the total number of emails in the mailbox:
    printf("%d\n",CkImap_getNumMessages(imapSrc));

    // The emails in the mailbox will always have sequence numbers
    // ranging from 1 to NumMessages.

    // This example will copy the first 10 messages.
    // We'll leave it up to you to write code to copy
    // the entire sequence range in reasonable size chunks.
    startSeqNum = 1;
    msgCount = 10;

    sa = CkImap_FetchSequenceAsMime(imapSrc,startSeqNum,msgCount);
    if (CkImap_getLastMethodSuccess(imapSrc) != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imapSrc));
        CkImap_Dispose(imapSrc);
        CkImap_Dispose(imapDest);
        return;
    }

    for (i = 0; i <= CkStringArray_getCount(sa) - 1; i++) {
        success = CkImap_AppendMime(imapDest,"Inbox",CkStringArray_getString(sa,i));
        if (success != TRUE) {
            printf("%s\n",CkImap_lastErrorText(imapDest));
            CkImap_Dispose(imapSrc);
            CkImap_Dispose(imapDest);
            return;
        }

    }

    CkStringArray_Dispose(sa);

    // Disconnect from the IMAP servers.
    success = CkImap_Disconnect(imapSrc);
    success = CkImap_Disconnect(imapDest);


    CkImap_Dispose(imapSrc);
    CkImap_Dispose(imapDest);

    }