box/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 tarball for details.
   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);
  23 int rm_main(int argc, char **argv)
  24 {
  25         int status = 0;
  26         int flags = 0;
  27         unsigned opt;
  28
  29         opt_complementary = "f-i:i-f";
  30         opt = getopt32(argc, argv, "fiRr");
  31         argv += optind;
  32         if (opt & 1)
  33                 flags |= FILEUTILS_FORCE;
  34         if (opt & 2)
  35                 flags |= FILEUTILS_INTERACTIVE;
  36         if (opt & 12)
  37                 flags |= FILEUTILS_RECUR;
  38
  39         if (*argv != NULL) {
  40                 do {
  41                         const char *base = bb_get_last_path_component(*argv);
  42
  43                         if (DOT_OR_DOTDOT(base)) {
  44                                 bb_error_msg("cannot remove '.' or '..'");
  45                         } else if (remove_file(*argv, flags) >= 0) {
  46                                 continue;
  47                         }
  48                         status = 1;
  49                 } while (*++argv);
  50         } else if (!(flags & FILEUTILS_FORCE)) {
  51                 bb_show_usage();
  52         }
  53
  54         return status;
  55 }