fts: add/use new struct member, fts_dirp

[gnulib.git] / ChangeLog

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 2011-08-19  Jim Meyering  <meyering@redhat.com>
 
+       fts: add/use new struct member, fts_dirp
+       We are about to use this to manage any directory with
+       too many entries to read all of them into memory at once.
+       To do that, we'll need to save the DIR* pointer in each
+       affected FTSENT struct.
+       * lib/fts_.h: Include <dirent.h>.
+       (struct FTSENT) [fts_dirp]: New member.
+       * lib/fts.c (closedir_and_clear): Define.
+       Use it in place of closedir so that we are sure to
+       clear the new fts_dirp member when done with it.
+       (fts_alloc): Initialize the new member.
+       (fts_lfree): Free, if needed.
+
        maint: fts: give __opendir2 a new parameter and rename
        * lib/fts.c (__opendir2): Give it a new parameter, Pdir_fd, rather
        than surreptitiously using sole caller's "dir_fd".