Re: OT: why no file copy() libc/syscall ??

From: Florian Weimer
Date: Thu Nov 20 2003 - 14:12:55 EST


Jesse Pollard wrote:

> > > > > int sys_copy(int fd_src, int fd_dst)

> > The default attributes in the new location might be less strict than the
> > attributes of the source file.
>
> So what. the user was authorized to open the input file. The user was
> authorized to open the output file. A file copy should be possible remotely
> since the equivalent implementation of a local read/write loop would
> accomplish the same thing.

The potential for race conditions worries me. However, the questions
you gave are more fundamental and may be enough to kill this idea (if it
wasn't already dead)...
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