Problem compiling C++ program after adding one argument to a function - c++

Question

All I did was I added a single more argument (iterations) to this function:
/**
* saveImage : save the last image received.
* #param pName name of the file
*/
void GVMsample::saveImageLocal(const std::string& pName, const std::string& pImageFormat, const int &iterations) {
// Check that a video module has been registered.
if (!fRegisteredToVim) {
throw ALError(getName(), "saveImageLocal()", "No video module is currently "
"registered! Call registerToVIM() first.");
}
#ifdef GENERICVIDEOMODULE_IS_REMOTE_ON
// If this module is running in remote mode, we shouldn't use saveImageLocal.
throw ALError(getName(), "saveImageLocal()", "Module is run in remote mode, "
"use saveImageRemote instead !");
#else
ALImage* imageIn = NULL;
for ( int iter = 0; iter < iterations; iter++ )
{
// Now you can get the pointer to the video structure.
imageIn = (ALImage*) (fCamProxy->call<int>("getImageLocal", fGvmName));
if (!imageIn) {
throw ALError(getName(), "saveImageLocal", "Invalid image returned.");
}
fLogProxy->info(getName(), imageIn->toString());
// You can get some image information that you may find useful.
const int width = imageIn->fWidth;
const int height = imageIn->fHeight;
const int nbLayers = imageIn->fNbLayers;
const int colorSpace = imageIn->fColorSpace;
const long long timeStamp = imageIn->fTimeStamp;
const int seconds = (int)(timeStamp/1000000LL);
// Set the buffer we received to our IplImage header.
fIplImageHeader->imageData = (char*)imageIn->getFrame();
saveIplImage(fIplImageHeader, pName, pImageFormat, seconds);
// send image over UDP to the PC
// we will use udt
}
// Now that you're done with the (local) image, you have to release it from the V.I.M.
fCamProxy->call<int>("releaseImage", fGvmName);
#endif
}
The functions is defined like this in the header file:
/**
* saveImage : save the last image received.
* #param pName name of the file
*/
void saveImageLocal(const std::string& pName, const std::string& imageFormat, const int &iterations);
And I am getting this error:
When I take that argument away it compiles ok again.

Answer 1

As the error says, the prototype on line 51 of gvnsample.h is wrong. You forgot to update it, or you modified the wrong file.

Answer 2

Ok. I have figured out the problem. I was editing the right file. But...
I was editing the file in Windows 7 in a folder shared with Ubuntu 10.10. I was then trying to compile the program in Ubuntu through VirtualBox.
The problem was for some reason I need to reboot the virtual machine or else the files in the shared folder don't get updated when I rewrite them in Windows (when I rewrite a file in Ubuntu the changes are visible in Windows right away but the other way around reboot is needed - strange).