LXR 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//usage:#define rm_trivial_usage
  19//usage:       "[-irf] FILE..."
  20//usage:#define rm_full_usage "\n\n"
  21//usage:       "Remove (unlink) FILEs\n"
  22//usage:     "\n        -i      Always prompt before removing"
  23//usage:     "\n        -f      Never prompt"
  24//usage:     "\n        -R,-r   Recurse"
  25//usage:
  26//usage:#define rm_example_usage
  27//usage:       "$ rm -rf /tmp/foo\n"
  28
  29#include "libbb.h"
  30
  31/* This is a NOFORK applet. Be very careful! */
  32
  33int rm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  34int rm_main(int argc UNUSED_PARAM, char **argv)
  35{
  36        int status = 0;
  37        int flags = 0;
  38        unsigned opt;
  39
  40        opt_complementary = "f-i:i-f";
  41        /* -v (verbose) is ignored */
  42        opt = getopt32(argv, "fiRrv");
  43        argv += optind;
  44        if (opt & 1)
  45                flags |= FILEUTILS_FORCE;
  46        if (opt & 2)
  47                flags |= FILEUTILS_INTERACTIVE;
  48        if (opt & (8|4))
  49                flags |= FILEUTILS_RECUR;
  50
  51        if (*argv != NULL) {
  52                do {
  53                        const char *base = bb_get_last_path_component_strip(*argv);
  54
  55                        if (DOT_OR_DOTDOT(base)) {
  56                                bb_error_msg("can't remove '.' or '..'");
  57                        } else if (remove_file(*argv, flags) >= 0) {
  58                                continue;
  59                        }
  60                        status = 1;
  61                } while (*++argv);
  62        } else if (!(flags & FILEUTILS_FORCE)) {
  63                bb_show_usage();
  64        }
  65
  66        return status;
  67}
  68