Initial revision

1 files changed, 121 insertions, 0 deletions

diff --git a/src/rmdir.c b/src/rmdir.c
new file mode 100644
index 000000000..59d2de71a
--- /dev/null
+++ b/src/rmdir.c
@@ -0,0 +1,121 @@
+/* rmdir -- remove directories
+   Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Options:
+   -p, --path		Remove any parent dirs that are explicitly mentioned
+			in an argument, if they become empty after the
+			argument file is removed.
+
+   David MacKenzie <djm@ai.mit.edu>  */
+
+#include <stdio.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include "system.h"
+
+void remove_parents ();
+void error ();
+void strip_trailing_slashes ();
+void usage ();
+
+/* If nonzero, remove empty parent directories. */
+int empty_paths;
+
+/* The name this program was run with. */
+char *program_name;
+
+struct option longopts[] =
+{
+  {"path", 0, &empty_paths, 1},
+  {NULL, 0, NULL, 0}
+};
+
+void
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  int errors = 0;
+  int optc;
+
+  program_name = argv[0];
+  empty_paths = 0;
+
+  while ((optc = getopt_long (argc, argv, "p", longopts, (int *) 0)) != EOF)
+    {
+      switch (optc)
+	{
+	case 0:			/* Long option. */
+	  break;
+	case 'p':
+	  empty_paths = 1;
+	  break;
+	default:
+	  usage ();
+	}
+    }
+
+  if (optind == argc)
+    usage ();
+  
+  for (; optind < argc; ++optind)
+    {
+      /* Stripping slashes is harmless for rmdir;
+	 if the arg is not a directory, it will fail with ENOTDIR.  */
+      strip_trailing_slashes (argv[optind]);
+      if (rmdir (argv[optind]) != 0)
+	{
+	  error (0, errno, "%s", argv[optind]);
+	  errors = 1;
+	}
+      else if (empty_paths)
+	remove_parents (argv[optind]);
+    }
+
+  exit (errors);
+}
+
+/* Remove any empty parent directories of `path'.
+   Replaces '/' characters in `path' with NULs. */
+
+void
+remove_parents (path)
+     char *path;
+{
+  char *slash;
+
+  do
+    {
+      slash = rindex (path, '/');
+      if (slash == NULL)
+	break;
+      /* Remove any characters after the slash, skipping any extra
+	 slashes in a row. */
+      while (slash > path && *slash == '/')
+	--slash;
+      slash[1] = 0;
+    }
+  while (rmdir (path) == 0);
+}
+
+void
+usage ()
+{
+  fprintf (stderr, "Usage: %s [-p] [--path] dir...\n",
+	   program_name);
+  exit (1);
+}