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Re: [PATCH] tests: readlink* ("", ... fails with EINVAL on newer kernels
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From: |
Jim Meyering |
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Subject: |
Re: [PATCH] tests: readlink* ("", ... fails with EINVAL on newer kernels |
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Date: |
Wed, 30 Mar 2011 14:50:23 +0200 |
Eric Blake wrote:
> On 03/30/2011 12:49 AM, Jim Meyering wrote:
>> coreutils' "make check" failed on rawhide due to a kernel change
>> in how readlink and readlinkat treat the empty file name.
>> Before, they'd fail with ENOENT. Now, it's EINVAL.
>
> That's unfortunate, because it violates POSIX.
Good point.
> Is it worth filing a bug
> against glibc to avoid exposing the kernel's choice to the user?
Actually I don't *know* that this changed in the kernel.
It might have been in glibc. I didn't look.
In any case, it'd be good to know what motivated the change,
so if no one else gets to it first, I'll track that down tomorrow.