Randell Jesup <[EMAIL PROTECTED]> writes:
> Sounds like what we'd want to build it upon. If the FS doesn't
> support it, use st_dev/st_ino.
Actually, since it's in the kernel, the default implementation of the
vnode operation might be:
int
vop_default_cmp (struct vnode *v1, struct vnode *v2)
{
return v1 == v2;
}
Or did you mean a fallback in the library function for when the kernel
doesn't provide the fdcmp (or whatever) system call? That could be
something like:
/*
* 1 if fd1 and fd2 point to the same file.
* 0 if they are not
* -1 if we can't compare them
*/
int
fdcmp (int fd1, int fd2)
{
struct stat sb1, sb2;
if(fstat(fd1, &sb1) < 0 || fstat(fd2, &sb2) < 0)
return -1;
return sb1.st_dev == sb2.st_dev && sb1.st_ino == sb2.st_ino;
}
> The real problem is getting people to switch.
You mean application programs? Sure, but the only thing we can do
about that is implementing support for it, right?
/assar
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