Re: [microblaze-uclinux] Point directly to a file in the memory

[Paul Hartke <phartke@xxxxxxxxxxxx>]

mmap() is the normal way to do this but it looks like there are some caveats
with uclinux:  http://www.linuxjournal.com/article/7221

Paul

Quoting Arnaud Lagger <arnaud.lagger@xxxxxxx>:
> Hello everybody,
>
> I'm writing an user program which takes a file and then send it to a
> function. Currently, I'm first reading the file and put it in a buffer
> so I can give the pointer to the buffer.
> But as the file is in the uClinux image, it is already in the memory, so
> is it possible to point directly to the file (thus avoiding to use a
> buffer)?
>
> I tried something like this:
>
> FILE *fp;   /* file pointer */
>
>   if ((fp = fopen("myfile", "rb"))==NULL){
>    printf("Cannot open file \n\r");
>    exit(1);
>   }
>
> and then pass fp to my function but I am not reading the content of the
> file...
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