Not C++,but couldn't find a C forum ;)

[weevilofdoom]

how would one check for an empty file in C?

The file exists, but it has no data in it, so when I
try to read from the file, boom, you know?
And I don't want to stick data in the file, I want
to be able to check for empty files. The weevil of doooooooooom
-The eagle may soar, but the weasel never gets sucked up by a jet engine (Anonymous)

 

[icrf]

Not much help for an answer, but maybe a redirect for the question: forum205 open it, check if you're already at eof. Not sure if it works, but it's a theory. ----------------------------------------------------------------------------------
...but I'm just a C man trying to see the light

 

[qednick]

If the length of the file is zero then it's empty

[sup]programmer (prog'ram'er), n A hot-headed, anorak wearing, pimple-faced computer geek.[/sup]​

 

[Leibnitz]

******************************************************************
Here is how you can do it:

.......
.....

// find the size of a file
int filesize( char *filename )
{
   long fsize = 0;
   FILE *file;
   char c; 

   file = fopen(filename,"r");
   if(!file) // if failiure
   {
      fprintf( stderr,"error while opening %s.\n",filename );
      return -1;
   }

   while((c = getc(file)) && !feof(file))
   {
      fsize++;
   }

   fclose(file);
   return fsize;
}

....
...

char *filename = "myfile.txt";

if( !filesize(filename))
{
   cout<<&quot;This file is empty.&quot;<<endl;
}
....
[\code]

 

[weevilofdoom]

Leibnitz:

Thank you, exactly what I was looking for The weevil of doooooooooom
-The eagle may soar, but the weasel never gets sucked up by a jet engine (Anonymous)

 

[mingis]

int file_handle;
long file_length;

file_handle = _open("your_file.typ", _O_BINARY | _O_RDONLY);
if(file_handle==(-1)) process_error();
else
{
file_length=_filelength(file_handle);
_close(file_handle);
}