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Subject: Windows and libssh2

Windows and libssh2

From: Phillip Wu <Phillip.Wu_at_lpma.nsw.gov.au>
Date: Fri, 19 Nov 2010 09:15:00 +1100

Hi,

I am trying to use libssh2 in Visual Studio 2010 Express C++. I am using ssh2 from the example directory.

I managed to get libssh2 (version 1.2.7) for Windows as a dll from http://josefsson.org/gnutls4win/.

According to MSDN this is the required code to get access to a dll at run time:
>>
HINSTANCE hinstLib;
MYPROC ProcAdd;
BOOL fFreeResult, fRunTimeLinkSuccess = FALSE;

    // Get a handle to the DLL module.

    hinstLib = LoadLibrary(TEXT("libssh2-1.dll"));

    // If the handle is valid, try to get the function address.

    if (hinstLib != NULL)
    {
        ProcAdd = (MYPROC) GetProcAddress(hinstLib, "libssh2_session_init");

        // If the function address is valid, call the function.

        if (NULL != ProcAdd)
        {
            fRunTimeLinkSuccess = TRUE;
            (ProcAdd) ();
        }
        // Free the DLL module.

        fFreeResult = FreeLibrary(hinstLib);
    }

    // If unable to call the DLL function, use an alternative.
    if (! fRunTimeLinkSuccess)
        printf("Unable to access Dynamic Library libssh2-1.dll or routine libssh2_session_init\n");
<<

1. Has anyone used this approach for libssh2? If so, is there somewhere I can get the code stubs for
all the libssh2 functions (perhaps as a "define")?
2. When I try to compile ssh2 example it is unable to find:
closesocket
socket
connect
htons
htonl
inet_addr
WSAStartup
Does anyone know which dll on Windows have these system calls?
3. Would I be better off using MinGW or some other build package for Windows?

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Received on 2010-11-18

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