"fread and fwrite return the number of items
successfully read "
well i am reading 32 complex neumbers...sorry i dont
understand why it whould be 16 and not 32?
ankit
--- Patrick Percot <ppercot@xxxxxxx> wrote:
> On Mon, 6 Sep 2004 13:22:15 +0100 (BST), Ankit Jain
> <ankitjain1580@xxxxxxxxx> wrote
>
> > 1 #include<stdlib.h>
> > 2 #include<complex.h>
> > 3 #include<stdio.h>
> > 4
> > 5 int main()
> > 6 {
> > 7 FILE *fp;
> > 8 fp=fopen("test_data.dat","rb");
> > 9 int N=32,i=0;
> > 10 complex x,*in;
> > 11 in=malloc(sizeof(complex)*N);
> > 12 if (fread(in,16,32*16,fp) != 32)
>
> The manual page says :
>
> RETURN VALUE
> fread and fwrite return the number of items
> successfully read or
> written (i.e., not the number of
> characters). If an error
> occurs, or the end-of-file is reached, the
> return value is a
> short item count (or zero).
>
> So if fread is OK, it returns 16 not 32.
>
> > 13 printf("error in reading from
> file
> > failed\n");
> > 14 else{
> > 15 for(i=0;i<N;i++)
> > 16 printf("%lf\t",*(in+i+0));
> > 17 }
> > 18 return 0;
> > 19 }
> >
> > it gives error
> > "error in reading the file"
> >
> > whats wrong?
> >
> > ankit
> >
> >
>
________________________________________________________________________
> > Yahoo! Messenger - Communicate instantly..."Ping"
> > your friends today! Download Messenger Now
> > http://uk.messenger.yahoo.com/download/index.html
> >
>
> À+
> PP
> --
> Groupe Morbihannais d'Utilisateurs de Logiciels
> Libres http://www.tuxbihan.org
> GPG fingerprint = 1A4F E154 3D2C A20E E4CA A543
> 7951 C5C2 E44A A0B5
>
> Patrick Percot.
>
________________________________________________________________________
Yahoo! Messenger - Communicate instantly..."Ping"
your friends today! Download Messenger Now
http://uk.messenger.yahoo.com/download/index.html
