can't read sequential files
Jim Marshall
jim.marshall@wbemsolutions.com
Wed Oct 31 03:26:00 GMT 2007
zirtik wrote:
> Hi, I'm using cygwin and windows XP together with Eclipse IDE and CDT. I have
> a following piece of code:
>
> ....
>
> int i;
> fp = fopen ("phi.txt","r");
>
> for( i = 0; i < 51; i++ ) {
> fscanf(fp, "%d\n", &original_phi[i]);
> }
>
> ...
>
> and when I try to compile it, it compiles well, but when I try to run it I
> get the following error message:
>
> 655 [main] Genetics 3012 _cygtls::handle_exceptions: Exception:
> STATUS_ACCESS_VIOLATION
> 2540 [main] Genetics 3012 open_stackdumpfile: Dumping stack trace to
> Genetics.exe.stackdump
>
> I added the following line to check if fp is always NULL:
>
> if (fp==NULL)
> {
> printf("error, NULL pointer!\n");
> return(1);
> }
>
> and it is always NULL. I put the "phi.txt" in the same directory as the
> executable so it is in:
>
> ....\ProjectFolder\Debug
>
> folder as well as in
>
> ....\ProjectFolder\src
>
> folder. I still keep getting the same error. I added the current directory
> "." to the PATH but it didn't help. This code used to run on another PC with
> Eclipse and cygwin again but this is the first time I am having problems
> with it on a different machine. Any help would be greatly appreciated.
>
> Thanks.
>
>
>
Maybe you don't have read access to the file? You could also check errno
(see perror, or strerror functions) to see what the error is.
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