ftpd: do not use nasty tricks for re-execing if we are on MMU machine.

[oweals/busybox.git] / coreutils / rm.c

diff --git a/coreutils/rm.c b/coreutils/rm.c
index 51c9f4ceb5363f71919be999637198bc8a8b5771..975f2267b1f219cfd427601b2707e0654c0b009f 100644 (file)
--- a/coreutils/rm.c
+++ b/coreutils/rm.c
@@ -2,75 +2,53 @@
 /*
  * Mini rm implementation for busybox
  *
- *
  * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
  *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+/* BB_AUDIT SUSv3 compliant */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/rm.html */
+
+/* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
  *
- * 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * Size reduction.
  */
 
-#include <stdio.h>
-#include <time.h>
-#include <utime.h>
-#include <dirent.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <getopt.h>
-#include "busybox.h"
+#include "libbb.h"
+
+/* This is a NOFORK applet. Be very careful! */
 
-extern int rm_main(int argc, char **argv)
+int rm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int rm_main(int argc UNUSED_PARAM, char **argv)
 {
        int status = 0;
-       int opt;
        int flags = 0;
-       int i;
-
-       while ((opt = getopt(argc, argv, "fiRr")) != -1) {
-               switch (opt) {
-               case 'f':
-                       flags &= ~FILEUTILS_INTERACTIVE;
-                       flags |= FILEUTILS_FORCE;
-                       break;
-               case 'i':
-                       flags &= ~FILEUTILS_FORCE;
-                       flags |= FILEUTILS_INTERACTIVE;
-                       break;
-               case 'R':
-               case 'r':
-                       flags |= FILEUTILS_RECUR;
-                       break;
-               }
-       }
-
-       if (!(flags & FILEUTILS_FORCE) && optind == argc)
-               show_usage();
-
-       for (i = optind; i < argc; i++) {
-               char *base = get_last_path_component(argv[i]);
-
-               if (strcmp(base, ".") == 0 || strcmp(base, "..") == 0) {
-                       error_msg("cannot remove `.' or `..'");
-                       status = 1;
-                       continue;
-               }
-
-               if (remove_file(argv[i], flags) < 0)
+       unsigned opt;
+
+       opt_complementary = "f-i:i-f";
+       opt = getopt32(argv, "fiRr");
+       argv += optind;
+       if (opt & 1)
+               flags |= FILEUTILS_FORCE;
+       if (opt & 2)
+               flags |= FILEUTILS_INTERACTIVE;
+       if (opt & 12)
+               flags |= FILEUTILS_RECUR;
+
+       if (*argv != NULL) {
+               do {
+                       const char *base = bb_get_last_path_component_strip(*argv);
+
+                       if (DOT_OR_DOTDOT(base)) {
+                               bb_error_msg("cannot remove '.' or '..'");
+                       } else if (remove_file(*argv, flags) >= 0) {
+                               continue;
+                       }
                        status = 1;
+               } while (*++argv);
+       } else if (!(flags & FILEUTILS_FORCE)) {
+               bb_show_usage();
        }
 
        return status;