lddtree.py: fix glob handling w/ld.so.conf

glibc's glob handling of ld.so.conf includes ends up sorting the results
(since the glob func sorts by default), but python does not.  We need to
sort things explicitly ourselves.

Reported-by: Tomasz Buchert <tomasz@debian.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/lddtree.py b/lddtree.py
index 9330295..100f475 100755
--- a/lddtree.py
+++ b/lddtree.py
@@ -233,7 +233,11 @@ def ParseLdSoConf(ldso_conf, root='/', debug=False, _first=True):
           else:
             line = os.path.dirname(ldso_conf) + '/' + line
           dbg(debug, '%s  glob: %s' % (dbg_pfx, line))
-          for path in glob.glob(line):
+          # ldconfig in glibc uses glob() which returns entries sorted according
+          # to LC_COLLATE.  Further, ldconfig does not reset that but respects
+          # the active env settings (which might be a mistake).  Python does not
+          # sort its results by default though, so do it ourselves.
+          for path in sorted(glob.glob(line)):
             paths += ParseLdSoConf(path, root=root, debug=debug, _first=False)
         else:
           paths += [normpath(root + line)]