LXR busybox/coreutils/rmdir.c

   1/* vi: set sw=4 ts=4: */
   2/*
   3 * rmdir implementation for busybox
   4 *
   5 * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
   6 *
   7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
   8 */
   9
  10/* BB_AUDIT SUSv3 compliant */
  11/* http://www.opengroup.org/onlinepubs/007904975/utilities/rmdir.html */
  12
  13#include "libbb.h"
  14
  15/* This is a NOFORK applet. Be very careful! */
  16
  17
  18#define PARENTS 0x01
  19#define IGNORE_NON_EMPTY 0x02
  20
  21int rmdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  22int rmdir_main(int argc UNUSED_PARAM, char **argv)
  23{
  24        int status = EXIT_SUCCESS;
  25        int flags;
  26        char *path;
  27
  28#if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
  29        static const char rmdir_longopts[] ALIGN1 =
  30                "parents\0"                  No_argument "p"
  31                /* Debian etch: many packages fail to be purged or installed
  32                 * because they desperately want this option: */
  33                "ignore-fail-on-non-empty\0" No_argument "\xff"
  34                ;
  35        applet_long_options = rmdir_longopts;
  36#endif
  37        flags = getopt32(argv, "p");
  38        argv += optind;
  39
  40        if (!*argv) {
  41                bb_show_usage();
  42        }
  43
  44        do {
  45                path = *argv;
  46
  47                while (1) {
  48                        if (rmdir(path) < 0) {
  49#if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
  50                                if ((flags & IGNORE_NON_EMPTY) && errno == ENOTEMPTY)
  51                                        break;
  52#endif
  53                                bb_perror_msg("'%s'", path);    /* Match gnu rmdir msg. */
  54                                status = EXIT_FAILURE;
  55                        } else if (flags & PARENTS) {
  56                                /* Note: path was not "" since rmdir succeeded. */
  57                                path = dirname(path);
  58                                /* Path is now just the parent component.  Dirname
  59                                 * returns "." if there are no parents.
  60                                 */
  61                                if (NOT_LONE_CHAR(path, '.')) {
  62                                        continue;
  63                                }
  64                        }
  65                        break;
  66                }
  67        } while (*++argv);
  68
  69        return status;
  70}
  71