Re: Problem with linker

From:

"Tom Serface" <tom.nospam@camaswood.com>

Newsgroups:

microsoft.public.vc.mfc

Date:

Mon, 4 Jun 2007 21:31:45 -0700

Message-ID:

<19CBC94A-4928-45B8-B4D6-535792E136D2@microsoft.com>

Hi Karim,

I don't think the errors you're seeing are coming from this code. If I were
you I'd look for the routines that are listed in the errors and see which
libraries they are supposed to be in and ensure that the right versions of
libraries are included and compiled with the same compiler. You may have a
lib name spelled wrong or one library listed twice rather than a second one
you intended to have listed.

Tom

"karim" <karim@discussions.microsoft.com> wrote in message
news:53173E09-A7B6-4B46-8122-3F30C36BA182@microsoft.com...

Hi Asm,
Thanks for your replys. i modified the code as follows.

LPSTR lpszKeyWordData;
//Actually it was LPSTR only i posted wrong like LPTSTR (sorry for that)

char *cpFromDataPoint, *cpToDataPoint, *cpDataPoint;

cpToDataPoint = strstr(lpszKeyWordData , ",");
if(cpToDataPoint == NULL)
{...........;
}
else
*(cpToDataPoint++) = '\0';

cpDataPoint = strstr(cpFromDataPoint, "FIELDSEPPOS");
if(cpDataPoint == NULL)
{
         cpDataPoint = strstr(cpFromDataPoint, "ENDTRACK");
if(cpDataPoint == NULL)
{
                 .........................;
                 }
}
but still my error list same like below. please help me out..
**********************error list*******************************
Creating library .\Release/simidc.lib and object .\Release/simidc.exp
comsupp.lib(comutil.obj) : error LNK2005: "class _variant_t vtMissing"
(?vtMissing@@3V_variant_t@@A) already defined in comsuppw.lib(comutil.obj)

simwfp.lib(SimFlexGrid.obj) : error LNK2001: unresolved external symbol
"public: __thiscall CSimString::CSimString(unsigned short const *)"
(??0CSimString@@QAE@PBG@Z)

simwfp.lib(SimDefaultEventProcessor.obj) : error LNK2019: unresolved
external symbol "public: __thiscall CSimString::CSimString(unsigned short
const *)" (??0CSimString@@QAE@PBG@Z) referenced in function
__ehhandler$??1CSimDefaultEventProcessor@@UAE@XZ

simwfp.lib(SimGlobals.obj) : error LNK2019: unresolved external symbol
"public: static class CSimTrace * __stdcall CSimTrace::Instance(unsigned
short *)" (?Instance@CSimTrace@@SGPAV1@PAG@Z) referenced in function "long
__stdcall WFPOpen(unsigned short,char *,void *,char *,unsigned
long,unsigned
long,struct HWND__ *,unsigned long,void *,unsigned long,struct
CENXFS3_02::_wfsversion *,unsigned long,struct CENXFS3_02::_wfsversion *)"
(?WFPOpen@@YGJGPADPAX0KKPAUHWND__@@K1KPAU_wfsversion@CENXFS3_02@@K3@Z)
simwfp.lib(SimGlobals.obj) : error LNK2019: unresolved external symbol
"unsigned short const * const IDS_API_DB_FILE_ERROR"
(?IDS_API_DB_FILE_ERROR@@3QBGB) referenced in function "void __stdcall
CheckDBFileStatus(unsigned short *)" (?CheckDBFileStatus@@YGXPAG@Z)
simwfp.lib(SimGlobals.obj) : error LNK2019: unresolved external symbol
"public: void __thiscall CSimString::TagField(unsigned short const *)"
(?TagField@CSimString@@QAEXPBG@Z) referenced in function "void __stdcall
CheckDBFileStatus(unsigned short *)" (?CheckDBFileStatus@@YGXPAG@Z)
simwfp.lib(SimGlobals.obj) : error LNK2019: unresolved external symbol
"unsigned short const * const IDS_API_DB_READ_ONLY"
(?IDS_API_DB_READ_ONLY@@3QBGB) referenced in function "void __stdcall
CheckDBFileStatus(unsigned short *)" (?CheckDBFileStatus@@YGXPAG@Z)
simwfp.lib(simcommandeditor.obj) : error LNK2001: unresolved external
symbol
"public: class CSimString & __thiscall CSimTrace::GetErrorDescription(enum
_SIM_ERROR_CATEGORY,unsigned short const *,unsigned long)"
(?GetErrorDescription@CSimTrace@@QAEAAVCSimString@@W4_SIM_ERROR_CATEGORY@@PBGK@Z)

Release_Image/simidc.dll : fatal error LNK1120: 96 unresolved externals
Results Build log was saved at
"file://c:\TestSandBox\simidc\Release\BuildLog.htm"
SimIDC - 228 error(s), 3 warning(s)

************************************************************
Thanks alot for your supporting............

- karimulla

"MrAsm" wrote:

On Mon, 4 Jun 2007 00:18:01 -0700, karim
<karim@discussions.microsoft.com> wrote:

char *cpFromDataPoint, *cpToDataPoint, *cpDataPoint;
......
/* first if condition*/
if( (cpToDataPoint = const_cast<char *>(strstr( (const
char*)lpszKeyWordData, (const char *)","))) == NULL)
{

You wrote over-complicated code...why??
Do you like excess of complexity?

From here:

  http://www.cplusplus.com/reference/clibrary/cstring/strstr.html

you can read that in C++ there are two prototypes of strstr:

const char * strstr ( const char * str1, const char * str2 );
       char * strstr ( char * str1, const char * str2 );

So, why don't you just write:

  if ( (cpToDataPoint = strstr( KeyWordData, "," )) == NULL )
     ...

Moreover, your code has an error, because you are mixing Unicode-aware
string (LPTSTR) with Ansi strings (char *).
You can't use LPTSTR lpszKeyWordData in a context where an Ansi string
is required (like strstr), and the (const char *)lpszKeyWordData cast
is a time-bomb bug.

You have 2 options:

1. convert lpszKeyWordData from LPTSTR to 'char *' using *proper*
conversion (e.g. CT2A) or

2. program Unicode-aware everywhere, so e.g. use Unicode aware
routines like _tcsstr instead of strstr, and decorate your literal
strings using _T("") (i.e. write _T(","), _T("ENDTRACK"), etc.).

You should review and adjust your code as indicated above.

Then try to rebuild.

error LNK2005: "class _variant_t vtMissing"
(?vtMissing@@3V_variant_t@@A)
already defined in comsuppw.lib(comutil.obj) comsupp.lib

[cut]

We have already answered this question in another thread. You did not
give feed-back to us, and now you are relisting the same problems ?_?

Also considering the portion of source you posted, I think that you
have errors due to Unicode unaware programming, and mixing Ansi and
Unicode in your source code.

MrAsm