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+2003-10-15  Jim Meyering  <jim@meyering.net>
+
+       chown and chgrp now accept POSIX-mandated -H, -L, -P options and
+       use fts to perform a directory traversal when -R is specified.
+       Before, they used explicit recursion, and as such were limited by
+       the user's stack size to handling hierarchies no deeper than
+       about 30,000 levels.
+
+       * src/chown.c: Include "userspec.h" and "fts_.h".
+       (WRITTEN_BY): Add my name.
+       (getpwnam, getgrnam, getgrgid): Remove declarations.
+       (endpwent): Remove definition.
+       (usage): Update.
+       (main): Handle new options.
+       Call new function, chown_files rather than change_file_owner.
+
+       * src/chgrp.c: Include "fts_.h".
+       (WRITTEN_BY): Add my name.
+       (MAXUID, MAXGID): Remove definitions.  Use GID_T_MAX instead of
+       the latter.
+       (usage): Update.
+       (main): Handle new options.
+       Call new function, chown_files rather than change_file_owner.
+
+       Rewrite to iterate through hierarchies using fts rather than
+       via explicit recursion.
+       * src/chown-core.c: Include "fts_.h"
+       (change_file_owner): Rewrite to use FTS* and FTSENT* and to operate
+       on a single file at a time.
+       (chown_files): New function.
+       * src/chown-core.h [enum Dereference_symlink]: Remove declaration.
+       [struct Chown_option] (recurse, force_silent): Change type to `bool'.
+       [struct Chown_option] (dereference): Remove member with ambiguous name.
+       [struct Chown_option] (affect_symlink_referent): New member.
+       (chown_files): New prototype.
+
+       * src/ln.c (usage): Clarify that --directory, -d, -F probably won't
+       work even for superuser.  Suggestion from Dan Jacobson.
+
 2003-10-14  Paul Eggert  <eggert@twinsun.com>
 
        Fix some number-parsing bugs, e.g., "head -n 100k@" wasn't