Re: BITS AddFileSet method returns E_INVALIDARG

From:
NKH <nishantnow@gmail.com>
Newsgroups:
microsoft.public.vc.language
Date:
Wed, 20 Aug 2008 04:18:05 -0700 (PDT)
Message-ID:
<80420b3f-58b2-473d-acac-e692380b8421@b30g2000prf.googlegroups.com>
On Aug 19, 11:27 pm, "Alex Blekhman" <tkfx.REM...@yahoo.com> wrote:

"NKH" wrote:

char source[3][72] = {"http://testserver:2034/version.bat",
"http://
testserver:2034/version1.bat", "http://testserver:2034/
version2.bat",""};
char dest[3][72] =
{"D:\Test\version.bat","D:\Test\version1.bat", "D:
\Test\version2.bat", ""};


In addition to my previopus answer. You put 4 strings into array
that can hold only 3 strings. The code above should not compile.

Also, you should make both source and destination strings as
`wchar_t' arrays:

wchar_t source[3][72] = { L"http://testserver:2034/version.bat",
... };

               for (idx=0; idx<nCount; idx++)
               {
                   //Set pszLocalName to point to a=

n LPWSTR that

contains the local name or
                   //allocate memory for pszLocalNa=

me and copy

the local name to pszLocalName.
                   LPWSTR pzLocalName = (LPWSTR)d=

est[idx];

                   //(paFiles+idx)->LocalName =
(LPWSTR)dest[idx];
                   (paFiles+idx)->LocalName = pzL=

ocalName;

                   //Set pszRemoteName to point to =

an LPWSTR

that contains the remote name or
                   //allocate memory for pszRemoteN=

ame and copy

the remote name to pszRemoteName.
                   LPWSTR pzRemotename = (LPWSTR)=

source[idx];

                   //(paFiles+idx)->RemoteName =
(LPWSTR)source[idx];
                   (paFiles+idx)->RemoteName = pz=

Remotename;

               }


The above code is completely wrong. You DO NOT allocate any memory
there. What happens is that you copy a pointer of some type to a
pointer of other, incompatible, type. So, in order to shut up the
compiler you used C-casts here. This is bad thing. I suggest you
to pick up you favorite C textbook and learn a bit about pointers
and memory buffers.

Alex- Hide quoted text -

- Show quoted text -


I have tried changing the arrays types to wchar_t..Istill come across
the same problem..
I have lately changed the code to look like given below..I have used
LPWSTR to define the arrays source and dest..
Thanks for ur advice..tht was really a wake up call :-)

    LPWSTR source[4]; LPWSTR dest[4];

    LPWSTR webURL = (LPWSTR) malloc(72); wcscpy(webURL,prot);
wcscat(webURL,qsserver);
    wcscat(webURL,(LPWSTR)":"); wcscat(webURL,qsbaseport);

    wcscpy(temp,webURL); wcscat(temp,(LPWSTR)"/version.bat");
    source[0] = (LPWSTR)malloc(72);
    wcscpy(source[0],temp); wcscpy(temp,(LPWSTR)"");

    wcscpy(temp,webURL); wcscat(temp,(LPWSTR)"/Version1.bat");
    source[1] = (LPWSTR) malloc(72);
    wcscpy(source[1],temp); wcscpy(temp,(LPWSTR)"");

    wcscpy(temp,webURL); wcscat(temp,(LPWSTR)"/version2.bat");
    source[2] = (LPWSTR) malloc(72);
    wcscpy(source[2],temp); wcscpy(temp,(LPWSTR)"");

    LPWSTR destination = (LPWSTR) malloc(72);
    wcscpy(destination,qsdrive); wcscat(destination,(LPWSTR)"\\zune\
\temp\\");
    wcscpy(temp,destination); wcscat(temp,(LPWSTR)"Version.bat");
    dest[0] = (LPWSTR) malloc(72);
    wcscpy(dest[0],temp); wcscpy(temp,(LPWSTR)"");

    wcscpy(temp,destination); wcscat(temp,(LPWSTR)"Version1.bat");
    dest[1] = (LPWSTR) malloc(72);
    wcscpy(dest[1],temp); wcscpy(temp,(LPWSTR)"");

    wcscpy(temp,destination); wcscat(temp,(LPWSTR)"Version2.bat");
    dest[2] = (LPWSTR) malloc(72);
    wcscpy(dest[2],temp); wcscpy(temp,(LPWSTR)"");

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