[PATCH 0/5] Fix multiple realpath issues

[Adhemerval Zanella]

This is an updated version of my previous set to fix multiple realpath
implementation issues [1].

For this version I used the most recent gnulib version to sync, since
it constains multiple issues and it fixes glibc BZ #10635, BZ #26592,
and BZ #26241.  However, the gnulib version shows some regressions
on stdlib/tst-canon.c which I fixed on last patch (which also fixes
glibc BZ #24970).

This idea is to either apply this whole set or work with gnulib to
fix the glibc regression on their side and sync a fully working
implementation back to glibc.

[1] https://patchwork.sourceware.org/project/glibc/list/?series=1062

*** BLURB HERE ***

Adhemerval Zanella (5):
  stdlib: Sync canonicalize with gnulib [BZ #10635] [BZ #26592] [BZ
    #26241]
  Import idx.h from gnulib
  Import filename.h from gnulib
  stdlib: Add testcase fro BZ #26241
  stdlib: Remove lstat usage from realpath [BZ #24970]

 include/filename.h                            | 110 +++++
 include/idx.h                                 | 113 +++++
 include/scratch_buffer.h                      |  21 +
 stdlib/Makefile                               |   3 +-
 stdlib/canonicalize.c                         | 467 ++++++++++++------
 stdlib/tst-canon-bz26341.c                    | 108 ++++
 support/support_set_small_thread_stack_size.c |  12 +-
 support/xthread.h                             |   2 +
 8 files changed, 676 insertions(+), 160 deletions(-)
 create mode 100644 include/filename.h
 create mode 100644 include/idx.h
 create mode 100644 stdlib/tst-canon-bz26341.c

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2.25.1