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  • VC6 compilation error

    - by vijay.j
    Hi there are some vs2005 c++ files in PJNSMTPCONNECTION Classes, but my application is in vc6, now can any one tell whether CSTRINGA, CSTRINGW are available in vc6.. if not how overcome this problem

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  • Build error with VC6

    - by jebina
    When i build my Application in VC6 IDE,i get this error --------------------Configuration: all - Win32 PRO Unicode Release-------------------- The system cannot find the file specified. Error executing c:\windows\system32\cmd.exe. all.exe - 1 error(s), 0 warning(s) I dont have any custom build commands, and this error is particular to this specific project only Pls help

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  • MIDL2003 Error in VC6 project

    - by graham.reeds
    While bug fixing I tracked a problem to an old vc6 compiled dll that hasn't been touched in nearly 3 years. After checking out the most recent source I am getting the following error when trying to compile. Processing C:\PROGRAM FILES\MICROSOFT SDK\INCLUDE\msxml.idl msxml.idl .\ocidl.idl(1524) : error MIDL2003 : redefinition : IErrorLog .\ocidl.idl(1541) : error MIDL2003 : redefinition : IPropertyBag Google gives lots of suggestions regarding Visual Studio 2002 - 2003 errors but I can't find anything that relates to Visual Studio 6 or can be applied to my problem. I did find this page but following it's advice didn't fix my problem. Does anyone have any suggestions on how to fix this? (I am presuming that it did work once.) Other items of interest: I have the February 2003 Platform SDK installed, and looking at the add/remove program page I have Micrsoft XML Parser and SDK, MSXML 4.0 SP2 and MSXML 6.0 Parser too.

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  • Help to Install STLPort in VC6

    - by Yan Cheng CHEOK
    I try to follow the following steps to install STLPort in VC6 1) I change C:\Program Files\Microsoft Visual Studio\VC98\Bin\VCVARS32.BAT content set INCLUDE=%MSVCDir%\ATL\INCLUDE;%MSVCDir%\INCLUDE;%MSVCDir%\MFC\INCLUDE;%INCLUDE% set LIB=%MSVCDir%\LIB;%MSVCDir%\MFC\LIB;%LIB% to (The directory C:\STLport-5.2.1\lib is not exsits?) set INCLUDE=C:\STLport-5.2.1\stlport;%MSVCDir%\ATL\INCLUDE;%MSVCDir%\INCLUDE;%MSVCDir%\MFC\INCLUDE;%INCLUDE% set LIB=C:\STLport-5.2.1\lib;%MSVCDir%\LIB;%MSVCDir%\MFC\LIB;%LIB% 2) I C:\>cd C:\STLport-5.2.1\build\lib C:\STLport-5.2.1\build\lib>"c:\Program Files\Microsoft Visual Studio\VC98\bin\VCVARS32.BAT" Setting environment for using Microsoft Visual C++ tools. C:\STLport-5.2.1\build\lib>c:\STLport-5.2.1\configure.bat msvc6 STLport Configuration Tool for Windows The system cannot find the path specified. The system cannot find the path specified. The system cannot find the path specified. The system cannot find the path specified. The system cannot find the path specified. Setting compiler: Microsoft Visual C++ 6.0 The system cannot find the path specified. The system cannot find the path specified. The system cannot find the path specified. The system cannot find the path specified. The system cannot find the path specified. Setting platform: Windows XP The system cannot find the path specified. Done configuring STLport. Go to build/lib folder and type "nmake clean install" to build and install STLport to the "lib" and "bin" folders. Go to build/test/unit folder and type nmake clean install to build unit tests and install them in bin folder. 3) The code within configure.bat, which give me The system cannot find the path specified is REM initially create/overwrite config.mak echo # STLport Configuration Tool for Windows > build\Makefiles\nmake\config.mak echo # >> build\Makefiles\nmake\config.mak echo # config.mak generated with command line: >> build\Makefiles\nmake\config.mak echo # configure %1 %2 %3 %4 %5 %6 %7 %8 %9 >> build\Makefiles\nmake\config.mak echo # >> build\Makefiles\nmake\config.mak What I shall change them to? How can I continue the build? Thanks.

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  • STLport5.2.1 question in VC6.0

    - by vincent.chen
    hi all, today i install the STLPort5.2.1 to my VC6.0 and i test it out, it's okay in the console project, but it issue following question in the MFC project: Compiling... testMFCDlg.cpp d:\sw\vc6\vc98\stlport-5.2.1\stlport\errno.h(55) : fatal error C1189: #error : errno has been defined before inclusion of errno.h header. Error executing cl.exe. how could i avoid this question correctly, help , friends. best wishes, vincent.chen

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  • Convert CString to string (VC6)

    - by Yan Cheng CHEOK
    I want to convert CString to string. (Yup. I know what am I doing. I know the returned string will be incorrect, if CString value range is outside ANSI, but That's Is OK!) The following code will work under VC2008. std::string Utils::CString2String(const CString& cString) { // Convert a TCHAR string to a LPCSTR CT2CA pszConvertedAnsiString (cString); // construct a std::string using the LPCSTR input std::string strStd (pszConvertedAnsiString); return strStd; } But VC6 doesn't have CT2CA macro. How I can make the code to work as well in both VC6 and VC2008?

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  • Use auto_ptr in VC6 dll cause crash

    - by Yan Cheng CHEOK
    // dll #include <memory> __declspec(dllexport) std::auto_ptr<int> get(); __declspec(dllexport) std::auto_ptr<int> get() { return std::auto_ptr<int>(new int()); } // exe #include <iostream> #include <memory> __declspec(dllimport) std::auto_ptr<int> get(); int main() { { std::auto_ptr<int> x = get(); } std::cout << "done\n"; getchar(); } The following code run perfectly OK under VC9. However, under VC6, I will experience an immediate crash with the following message. Debug Assertion Failed! Program: C:\Projects\use_dynamic_link\Debug\use_dynamic_link.exe File: dbgheap.c Line: 1044 Expression: _CrtIsValidHeapPointer(pUserData) Is it exporting auto_ptr under VC6 is not allowed? It is a known problem that exporting STL collection classes through DLL. http://stackoverflow.com/questions/2451714/access-violation-when-accessing-an-stl-object-through-a-pointer-or-reference-in-a However, I Google around and do not see anything mention for std::auto_ptr. Any workaround?

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  • Updating vc6 code to vs2005 - missing two DLLs.

    - by vijay.j
    I have compiled and built my VC6 application code in vs2005, but while running I am getting an error saying could not load the DLL. Once I check this with dependency walker I found that ieshims.dll and wer.dll are missing. I searched for those dll's but I could not fine them. How do I resolve this problem?

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  • updating vc6 code to vs2005

    - by vijay.j
    Hi, I have compliedand built my VC6 application code in vs2005, but while running i am getting an error saying could not load the DLL, once i check this with dependcy walker i found that ieshims.dll and wer.dll are missing but i searched for those dll's but i could not get it. please help me on this

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  • Having template function defination in cpp file - Not work for VC6

    - by Yan Cheng CHEOK
    I have the following source code : // main.cpp #include "a.h" int main() { A::push(100); } // a.cpp #include "a.h" template <class T> void A::push(T t) { } template void A::push(int t); // a.h #ifndef A_H class A { public: template <class T> static void push(T t); }; #endif The code compiled charming and no problem under VC2008. But when come to my beloved VC6, it give me error : main.obj : error LNK2001: unresolved external symbol "public: static void __cdecl A::push(int)" (?push@A@@SAXH@Z) Any workaround? I just want to ensure my function definition is re-inside cpp file.

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  • Can you tune C runtime heap segment reservation size on XP?

    - by Jason
    When the VC6 C runtime on XP can't serve an allocation request within an existing heap segment, it reserves a new segment. The size of these new segments increase by factors of 2 (until there are not large enough free areas to do that, at which point it falls down to smaller segments.) In any case, is there any way to control this behavior on XP with the VC6 runtime? For example, doubling up to a point, but capping at 64MB segments. If there is no way on XP but there is on 7, that would be good to know too. Or if there is no way on VC6 but there is on VC8 or up would be interesting.

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  • Visual Studio 2010 64-bit COM Interop Issue

    - by Adam Driscoll
    I am trying to add a VC6 COM DLL to our VS2010RC C# solution. The DLL was compiled with the VC6 tools to create an x86 version and was compiled with the VC7 Cross-platform tools to generate a VC7 DLL. The x86 version of the assembly works fine as long as the consuming C# project's platform is set to x86. It doesn't matter whether the x64 or the x86 version of the DLL is actually registered. It works with both. If the platform is set to 'Any CPU' I receive a BadImageFormatException on the load of the Interop.<name>.dll. As for the x64 version, I cannot even get the project to build. I receive the tlbimp error: TlbImp : error TI0000: A single valid machine type compatible with the input type library must be specified. Has anyone seen this issue? EDIT: I've done a lot more digging into this issue and think this may be a Visual Studio bug. I have a clean solution. I bring in my COM assembly with language agnostic 'Any CPU' selected. The process architecture of the resulting Interop DLL is x86 rather than MSIL. May have to make the Interop by hand for now to get this to work. If anyone has another suggestion let me know.

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  • msvcrt: memory usage goes wild, but not under debugger

    - by al_miro
    I have a C++ code compiled with Intel compiler, 32bit, in MS VC6 mode, so using either msvcrt.dll or msvcrtd.dll. The process makes heavy memory allocation and deallocation. I monitor the memory usage with WMI and look at VirtualSize and WorkingSetSize. with debug runtime (msvcrtd.dll): virtual constant 1.7GB, working constant 1.2GB with non-debug runtime (msvcrt.dll): virtual raising 1.7-- 2.1GB, working raising 1.2-1.4GB with non-debug runtime but under debugger (windbg): virtual constant 1.7GB, working constant At 2.1 GB virtual the process is crashing (as expected). But why would the virtual usage increase only with (non-debug) msvcrt.dll and only if not under debugger? In all cases compilation flags are identical, only runtime libs are different.

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  • LNK2001: What have I forgotton to set?

    - by graham.reeds
    Following on from my previous question regarding debugging of native code, I decided to create a simple test from a console app as I wasn't getting anywhere with debugging the service directly. So I created a vc6 console app, added the dll project to the workspace and ran it. Instead of executing as expected it spat out the following linker errors: main.obj : error LNK2001: unresolved external symbol "int __stdcall hmDocumentLAdd(char *,char *,long,char *,char *,long,long,long,long *)" (?hmDocumentLAdd@@YGHPAD0J00JJJPAJ@Z) main.obj : error LNK2001: unresolved external symbol "int __stdcall hmGetDocBasePath(char *,long)" (?hmGetDocBasePath@@YGHPADJ@Z) Debug/HazManTest.exe : fatal error LNK1120: 2 unresolved externals This seems to be a simple case of forgetting something in the linker options: However everything seems to be normal, and the lib file, dll and source is available. If I change the lib file to load to nonsense it kicks up the fatal error LNK1104: cannot open file "asdf.lib", so that isn't a problem. I have previously linked to dll and they have just worked, so what I have forgotton to do?

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  • Compiler optimization causing the performance to slow down

    - by aJ
    I have one strange problem. I have following piece of code: template<clss index, class policy> inline int CBase<index,policy>::func(const A& test_in, int* srcPtr ,int* dstPtr) { int width = test_in.width(); int height = test_in.height(); double d = 0.0; //here is the problem for(int y = 0; y < height; y++) { //Pointer initializations //multiplication involving y //ex: int z = someBigNumber*y + someOtherBigNumber; for(int x = 0; x < width; x++) { //multiplication involving x //ex: int z = someBigNumber*x + someOtherBigNumber; if(soemCondition) { // floating point calculations } *dstPtr++ = array[*srcPtr++]; } } } The inner loop gets executed nearly 200,000 times and the entire function takes 100 ms for completion. ( profiled using AQTimer) I found an unused variable double d = 0.0; outside the outer loop and removed the same. After this change, suddenly the method is taking 500ms for the same number of executions. ( 5 times slower). This behavior is reproducible in different machines with different processor types. (Core2, dualcore processors). I am using VC6 compiler with optimization level O2. Follwing are the other compiler options used : -MD -O2 -Z7 -GR -GX -G5 -X -GF -EHa I suspected compiler optimizations and removed the compiler optimization /O2. After that function became normal and it is taking 100ms as old code. Could anyone throw some light on this strange behavior? Why compiler optimization should slow down performance when I remove unused variable ? Note: The assembly code (before and after the change) looked same.

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  • LINK : fatal error LNK1104: cannot open file "Iphlpapi.lib"

    - by Rob
    So I'm using Visual C++ 6.0, and trying to compile some source code, but upon compilation I get this: Linking... LINK : fatal error LNK1104: cannot open file "Iphlpapi.lib" Error executing link.exe. I'm using the correct SDK, and the directories are correct. I've checked, double checked, and triple checked. The file is the specified directory. I can't figure out what the problem is. Any ideas? Service Pack 6 SDK for Windows Server 2003 SP1 //Sounds odd, since I'm running XP SP3, but this has worked for me in the past. Like I've said, it worked in the past for me, flawlessly. I don't understand why it won't work now.

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  • How to resolve this VC++ 6.0 linker error?

    - by fishdump
    This is a Windows Console application (actually a service) that a previous guy built 4 years ago and is installed and running. I now need to make some changes but can't even build the current version! Here is the build output: --------------------Configuration: MyApp - Win32 Debug-------------------- Compiling resources... Compiling... Main.cpp winsock.cpp Linking... LINK : warning LNK4098: defaultlib "LIBCMTD" conflicts with use of other libs; use /NODEFAULTLIB:library Main.obj : error LNK2001: unresolved external symbol _socket_dontblock Debug/MyApp.exe : fatal error LNK1120: 1 unresolved externals Error executing link.exe. MyApp.exe - 2 error(s), 1 warning(s) -------------------------------------------------------------------------- If I use /NODEFAULTLIB then I get loads of errors. The code does not actually use _socket_noblock but I can't find anything on it on the 'net. Presumably it is used by some library I am linking to but I don't know what library it is in. --- Alistair.

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  • What does msvc 6 throw when an integer divide by zero occurs?

    - by EvilTeach
    I have been doing a bit of experimenting, and have discovered that an exception is being thrown, when an integer divide by zero occurs. #include <iostream> #include <stdexcept> using namespace std; int main ( void ) { try { int x = 3; int y = 0; int z = x / y; cout << "Didn't throw or signal" << endl; } catch (std::exception &e) { cout << "Caught exception " << e.what() << endl; } return 0; } Clearly it is not throwing a std::exception. What else might it be throwing?

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  • Why would fopen fail to open a file that exists?

    - by void
    I'm on Windows XP using Visual Studio 6 (yes I know it's old) building/maintaining a C++ DLL. I'm encountered a problem with fopen failing to open an existing file, it always returns NULL. I've tried: Checking errno and _doserrno by setting both to zero and then checking them again, both remain zero, and thus GetLastError() reports no errors. I know fopen isn't required to set errno when it encounters an error according to a C standard. Hardcoding the file path, which are not relative. Tried on another developers machine which the same result. The really strange thing is CreateFile works and the file can be read with ReadFile. We believe this works in a release build, however we are also seeing some very odd behaviour in other areas of the application and we're not sure if this is related. The code is below, I don't see anything odd it looks quite standard to me. The source file hasn't changed for just under half a year. HRESULT CDataHandler::LoadFile( CStdString szFilePath ) { //Code FILE* pFile; if ( NULL == ( pFile = fopen( szFilePath.c_str(), "rb") ) ) { return S_FALSE; } //More code }

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  • what is the wrong in this code(openAl in vc++)

    - by maiajam
    hi how are you all? i need your help i have this code #include <conio.h> #include <stdlib.h> #include <stdio.h> #include <al.h> #include <alc.h> #include <alut.h> #pragma comment(lib, "openal32.lib") #pragma comment(lib, "alut.lib") /* * These are OpenAL "names" (or "objects"). They store and id of a buffer * or a source object. Generally you would expect to see the implementation * use values that scale up from '1', but don't count on it. The spec does * not make this mandatory (as it is OpenGL). The id's can easily be memory * pointers as well. It will depend on the implementation. */ // Buffers to hold sound data. ALuint Buffer; // Sources are points of emitting sound. ALuint Source; /* * These are 3D cartesian vector coordinates. A structure or class would be * a more flexible of handling these, but for the sake of simplicity we will * just leave it as is. */ // Position of the source sound. ALfloat SourcePos[] = { 0.0, 0.0, 0.0 }; // Velocity of the source sound. ALfloat SourceVel[] = { 0.0, 0.0, 0.0 }; // Position of the Listener. ALfloat ListenerPos[] = { 0.0, 0.0, 0.0 }; // Velocity of the Listener. ALfloat ListenerVel[] = { 0.0, 0.0, 0.0 }; // Orientation of the Listener. (first 3 elements are "at", second 3 are "up") // Also note that these should be units of '1'. ALfloat ListenerOri[] = { 0.0, 0.0, -1.0, 0.0, 1.0, 0.0 }; /* * ALboolean LoadALData() * * This function will load our sample data from the disk using the Alut * utility and send the data into OpenAL as a buffer. A source is then * also created to play that buffer. */ ALboolean LoadALData() { // Variables to load into. ALenum format; ALsizei size; ALvoid* data; ALsizei freq; ALboolean loop; // Load wav data into a buffer. alGenBuffers(1, &Buffer); if(alGetError() != AL_NO_ERROR) return AL_FALSE; alutLoadWAVFile((ALbyte *)"C:\Users\Toshiba\Desktop\Graduation Project\OpenAL\open AL test\wavdata\FancyPants.wav", &format, &data, &size, &freq, &loop); alBufferData(Buffer, format, data, size, freq); alutUnloadWAV(format, data, size, freq); // Bind the buffer with the source. alGenSources(1, &Source); if(alGetError() != AL_NO_ERROR) return AL_FALSE; alSourcei (Source, AL_BUFFER, Buffer ); alSourcef (Source, AL_PITCH, 1.0 ); alSourcef (Source, AL_GAIN, 1.0 ); alSourcefv(Source, AL_POSITION, SourcePos); alSourcefv(Source, AL_VELOCITY, SourceVel); alSourcei (Source, AL_LOOPING, loop ); // Do another error check and return. if(alGetError() == AL_NO_ERROR) return AL_TRUE; return AL_FALSE; } /* * void SetListenerValues() * * We already defined certain values for the Listener, but we need * to tell OpenAL to use that data. This function does just that. */ void SetListenerValues() { alListenerfv(AL_POSITION, ListenerPos); alListenerfv(AL_VELOCITY, ListenerVel); alListenerfv(AL_ORIENTATION, ListenerOri); } /* * void KillALData() * * We have allocated memory for our buffers and sources which needs * to be returned to the system. This function frees that memory. */ void KillALData() { alDeleteBuffers(1, &Buffer); alDeleteSources(1, &Source); alutExit(); } int main(int argc, char *argv[]) { printf("MindCode's OpenAL Lesson 1: Single Static Source\n\n"); printf("Controls:\n"); printf("p) Play\n"); printf("s) Stop\n"); printf("h) Hold (pause)\n"); printf("q) Quit\n\n"); // Initialize OpenAL and clear the error bit. alutInit(NULL, 0); alGetError(); // Load the wav data. if(LoadALData() == AL_FALSE) { printf("Error loading data."); return 0; } SetListenerValues(); // Setup an exit procedure. atexit(KillALData); // Loop. ALubyte c = ' '; while(c != 'q') { c = getche(); switch(c) { // Pressing 'p' will begin playing the sample. case 'p': alSourcePlay(Source); break; // Pressing 's' will stop the sample from playing. case 's': alSourceStop(Source); break; // Pressing 'h' will pause the sample. case 'h': alSourcePause(Source); break; }; } return 0; } and it is run willbut i cant here any thing also i am new in programong and wont to program a virtual reality sound in my graduation project and start to learn opeal and vc++ but i dont how to start and from where i must begin and i want to ask if i need to learn about API win ?? and if i need how i can learn that thank you alote and i am sorry coz of my english

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  • How to debug with Visual C++ 6 on Windows 7 x64?

    - by Ignacio
    Surely the answer will be "you can't" or "use XP mode", but I'd like to know if it it possible. The issue I have is that whenever I debug some application and hit a breakpoint, when I stop the debugger the debuggee remains stuck. It can't be killed, I can't attach another debugger (it says it is already being debugged). It won't go away until I close Visual C++. This is hapenning on a Windows 7 64 bits install. VC has SP 6 installed.

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  • Using visual studio 6 c++ compiler from within emacs

    - by jörg
    Hey guys, I'm just getting started with c++ development and I would like to use emacs to write the code and then compile and run it from within emacs using the visual studio 6 compiler. I have already googled around a bit but just can't seem to find an explanation of how this is done. Any pointers? Thanks for your help, joerg

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