fts, getcwd, glob: audit for dirfd returning -1

[pspp] / ChangeLog

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+2010-09-13  Paul Eggert  <eggert@cs.ucla.edu>
+
+       fts, getcwd, glob: audit for dirfd returning -1
+       * lib/fts.c (opendir): Remove #define; no longer used.
+       (opendirat): New arg PDIR_FD.  All callers changed.
+       (fts_build, _opendir2): Use new opendirat to avoid the need for
+       dirfd, or for checking whether dirfd returns a negative value.
+       Don't use opendir; always use openat followed by fdopendir.
+       * lib/getcwd.c (__getcwd): Don't reset fd; fdopendir no longer clobbers
+       it.
+       * lib/glob.c (link_exists_p): Add comment explaining why dirfd never
+       returns -1 here.
+       * modules/fts (Depends-on): Remove dirfd.
+       * modules/getcwd (Depends-on): Likewise.
+
+2010-09-13  Eric Blake  <eblake@redhat.com>
+
+       float: fix broken MirBSD header
+       * m4/float_h.m4 (gl_FLOAT_H): MirBSD copied OpenBSD's bug.
+       * doc/posix-headers/float.texi (float.h): Document it.
+
 2010-09-13  Paul Eggert  <eggert@cs.ucla.edu>
 
        fts: use O_NOFOLLOW to avoid race condition when opening a directory