release/src/router/busybox/coreutils/rm.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Mini rm implementation for busybox
   4  *
   5  * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
   6  *
   7  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   8  */
   9
  10 /* BB_AUDIT SUSv3 compliant */
  11 /* http://www.opengroup.org/onlinepubs/007904975/utilities/rm.html */
  12
  13 /* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
  14  *
  15  * Size reduction.
  16  */
  17
  18 #include "libbb.h"
  19
  20 /* This is a NOFORK applet. Be very careful! */
  21
  22 int rm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  23 int rm_main(int argc UNUSED_PARAM, char **argv)
  24 {
  25         int status = 0;
  26         int flags = 0;
  27         unsigned opt;
  28
  29         opt_complementary = "f-i:i-f";
  30         /* -v (verbose) is ignored */
  31         opt = getopt32(argv, "fiRrv");
  32         argv += optind;
  33         if (opt & 1)
  34                 flags |= FILEUTILS_FORCE;
  35         if (opt & 2)
  36                 flags |= FILEUTILS_INTERACTIVE;
  37         if (opt & (8|4))
  38                 flags |= FILEUTILS_RECUR;
  39
  40         if (*argv != NULL) {
  41                 do {
  42                         const char *base = bb_get_last_path_component_strip(*argv);
  43
  44                         if (DOT_OR_DOTDOT(base)) {
  45                                 bb_error_msg("can't remove '.' or '..'");
  46                         } else if (remove_file(*argv, flags) >= 0) {
  47                                 continue;
  48                         }
  49                         status = 1;
  50                 } while (*++argv);
  51         } else if (!(flags & FILEUTILS_FORCE)) {
  52                 bb_show_usage();
  53         }
  54
  55         return status;
  56 }