Subj : Re: fstream - opening a binary file in second obj
To   : borland.public.cpp.borlandcpp
From : D Kat
Date : Tue Oct 26 2004 12:59 pm

I posted that I left the i off of ifstream...  that however is not the 
issue.  It still will not open even when declared properly..

"D Kat" <disisdkat@hotmail.com> wrote in message 
news:417d62cb$1@newsgroups.borland.com...
> Thanks to all the help in this room I was able to clean up code and put 
> all of the subroutines that student programmers should not play with in a 
> separate source file that they can now load as an obj file in a project. 
> However in putting all of the code related to the ISR in this object file 
> I had to include the fstream binary file that is opened.  This code now 
> will not return anything at all.  So when I step through the code the file 
> stream is empty - so before and after wavefile.open wavefile in WATCH 
> looks like
> wavefile = {  }.  The ISR is working fine in that the counter in it is 
> counting just fine.  I have not played out a sound file yet because I'm 
> stuck in not being able to open one.
>
>
> I have checked, double checked, and keep on checking.  The file is there, 
> the name is correct, etc.  I have no idea what or where to check at this 
> point.  wavefile is 0.
>
> Any ideas?
>
>
>
> ifstream wavefile;
>
> int get_stimuli(char *name) //open and read sound file
> {
>  wavefile.open(name,ios::binary);   //OPEN
>  if (!wavefile)
>  {
>   cout << "\nCannot open file: "<< name << endl;
>   return(-1);
>  }
>  wavefile.seekg(0,ios::end); // goto EOF
>  file_length=wavefile.tellg()/2; // get length of file
>  wavefile.seekg(0,ios::beg); //goto BOF
>
>  for(int i=0;i<NUMBUF;i++)
>  {
>   wavefile.read((char*) &wavebuffer[i][0], BUFSIZE*2); // READ file into 
> buffer
>   if((readlength[i] = wavefile.gcount()/2)!=BUFSIZE)return(file_length);
>  }
>  return(file_length);
> }
>
>

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