Re: Does Linux has File Stream mapping support...?

From: Herbert Xu
Date: Fri Nov 18 2005 - 23:27:32 EST

Arijit Das <Arijit.Das@xxxxxxxxxxxx> wrote:
> Is it possible to have File Stream Mapping in Linux? What I mean is
> this...
> FILE * fp1 = fopen("/foo", "w");
> FILE * fp2 = fopen("/bar", "w");
> FILE * fp_common = <Stream_Mapping_Func>(fp1, fp2);
> fprint(fp_common, "This should be written to both files ... /foo and
> /bar");

Yes, as long as you're using glibc you can implement this using
"Custom Streams". Look for the function fopencookie in your glibc

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