On Thu, Jun 18, 2020 at 02:47:54PM +0000, Walter Harms wrote:
>
> ________________________________________
> Von: Arkadiusz Drabczyk [arkadiusz@xxxxxxxxxxxx]
> Gesendet: Donnerstag, 18. Juni 2020 15:36
>
> >>
> >> + ret = fread(buffer, 1, 1, fp);
> >> + if (ret != 1) {
> >> + fprintf(stderr, "fread() failed: %zu\en", ret);
> >> + exit(EXIT_FAILURE);
> >> + }
> >> +
> >> please drop a line what case you want to explain here, looks like the same as above.
>
> >As said a few lines above, this retrieves ELF class. I wanted to show
> >that file pointer moves automatically after fread() finishes.
>
> ok i get the point(s).
> 1. you show you can read an "item" a bunch of bytes
>
> the second read() should demonstrate that consecutive reads return
> consecutive blocks of data (here the magic and class id of an ELF).
Exactly.
> perhaps you can support what want to show with a
> printf("pos=%ld\n",ftell(fp));
> before and after read.
Let's what Michael says. If he thinks this suggestion and the entire
example in the first place is a good idea I will add it.
--
Arkadiusz Drabczyk <arkadiusz@xxxxxxxxxxxx>
