bug#18892: few test failure with 'grep-2.20.72-d512'

[Norihiro Tanaka]

Assaf Gordon <address@hidden> wrote:
> On 11/01/2014 10:39 PM, Paul Eggert wrote:
> > Assaf Gordon wrote:
> 
> >> $ ../../../src/grep -r '^' ; echo $?
> >> a:a
> >> b:b
> >> ../../../src/grep: c: Inappropriate file type or format
> >> ../../../src/grep: d: Inappropriate file type or format
> >> ../../../src/grep: e: Inappropriate file type or format
> >> 2
> >
> > What system calls is this 'grep' executing?  What's the output of ktrace 
> > and kdump?
> 
> Attached is the ktrace+tdump output of running the command.
> 
> The error appears on line 217 (open() returns -1 for file "c"),
> though similar errors stemming from 'fstat' for files a,b are ignored (lines 
> 150,191).
> 
> - Assaf

NetBSD returns errno == EFTYPE in open with O_NOFOLLOW for symlink
instead of errno == ELOOP which POSIX says.  Similarly, Tru64 returns
errno == ENOTSUP.  So I added them to ignorable list.

0001-grep-fix-symlink-non-conforming-to-POSIX.patch
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