[PATCH] Use XSTAT_IS_XSTAT64 in generic xstat functions

[Steve Ellcey]

Here is an xstat patch to allow the 32 bit generic xstat functions
in sysdeps/unix/sysv/linux/generic/wordsize-32 be aliases of the 64
bit versions.  This is similar to what is done for the non-generic xstat
functions and uses the same macro, XSTAT_IS_XSTAT64, to control if they
are aliased or not.

I tested this on x86 and aarch64 using the top-of-tree sources where it
has no affect and on aarch64 with the rest of the ILP32 patches where
it is used and there were no regressions.

As with the earlier statfs patches I don't know if we want to stick with
this defined/undefined use of XSTAT_IS_XSTAT64 that already exists or
if I should change it to be defined all the time to either 0 or 1. For
this patch, I left it as is.

OK to checkin?

Steve Ellcey
sellcey@caviumnetworks.com


2016-11-10  Yury Norov  <ynorov@caviumnetworks.com>
	    Steve Ellcey  <sellcey@caviumnetworks.com>

	* sysdeps/unix/sysv/linux/generic/wordsize-32/fxstat.c: Do not define
	fxstat if XSTAT_IS_XSTAT64 is defined.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat.c: Ditto for
	fxstatat.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat.c: Ditto for
	lxstat.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/xstat.c: Ditto for xstat.

	* sysdeps/unix/sysv/linux/generic/wordsize-32/fxstat64.c: New file.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat64.c: New file.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat64.c: Make __lxstat
	an alias of __lxstat64 if XSTAT_IS_XSTAT64 is defined.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/xstat64.c: Ditto for
	__xstat.

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