Rewrote rm.

git-svn-id: svn://busybox.net/trunk/busybox@2423 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 31 insertions, 93 deletions

diff --git a/rm.c b/rm.c
index ea7f86ce1..f8e16625c 100644
--- a/rm.c
+++ b/rm.c
@@ -3,12 +3,8 @@
  * Mini rm implementation for busybox
  *
  *
- * Copyright (C) 1999,2000,2001 by Lineo, inc.
- * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
  *
- * INTERACTIVE feature Copyright (C) 2001 by Alcove
- *   written by Christophe Boyanique <Christophe.Boyanique@fr.alcove.com>
- *   for Ipanema Technologies
  *
  * 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
@@ -36,103 +32,45 @@
 #include <getopt.h>
 #include "busybox.h"
 
-static int recursiveFlag = FALSE;
-static int forceFlag = FALSE;
-#ifdef BB_FEATURE_RM_INTERACTIVE
-        static int interactiveFlag = FALSE;
-#endif
-static const char *srcName;
-
-
-static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
-{
-#ifdef BB_FEATURE_RM_INTERACTIVE
-        if (interactiveFlag == TRUE) {
-                printf("rm: remove `%s'? ", fileName);
-                if (ask_confirmation() == 0)
-                        return (TRUE);
-        }
-#endif
-        if (unlink(fileName) < 0) {
-                perror_msg("%s", fileName);
-                return (FALSE);
-        }
-        return (TRUE);
-}
-
-static int dirAction(const char *fileName, struct stat *statbuf, void* junk)
-{
-        if (recursiveFlag == FALSE) {
-                errno = EISDIR;
-                perror_msg("%s", fileName);
-                return (FALSE);
-        } 
-#ifdef BB_FEATURE_RM_INTERACTIVE
-        if (interactiveFlag == TRUE) {
-                printf("rm: remove directory `%s'? ", fileName);
-                if (ask_confirmation() == 0)
-                        return (TRUE);
-        }
-#endif
-        if (rmdir(fileName) < 0) {
-                perror_msg("%s", fileName);
-                return (FALSE);
-        }
-        return (TRUE);
-}
-
 extern int rm_main(int argc, char **argv)
 {
+        int status = 0;
         int opt;
-        int status = EXIT_SUCCESS;
-        struct stat statbuf;
-        
-        
-        /* do normal option parsing */
-        while ((opt = getopt(argc, argv, "Rrf-"
-#ifdef BB_FEATURE_RM_INTERACTIVE
-"i"
-#endif
-)) > 0) {
-                switch (opt) {
-                        case 'R':
-                        case 'r':
-                                recursiveFlag = TRUE;
-                                break;
-                        case 'f':
-                                forceFlag = TRUE;
-#ifdef BB_FEATURE_RM_INTERACTIVE
+        int flags = 0;
+        int i;
 
-                                interactiveFlag = FALSE;
-#endif
-                                break;
-#ifdef BB_FEATURE_RM_INTERACTIVE
-                        case 'i':
-                                interactiveFlag = TRUE;
-                                forceFlag = FALSE;
-                                break;
-#endif
-                        default:
-                                show_usage();
+        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 (argc == optind && forceFlag == FALSE) {
+
+        if (!(flags & FILEUTILS_FORCE) && optind == argc)
                 show_usage();
-        }
 
-        while (optind < argc) {
-                srcName = argv[optind];
-                if (forceFlag == TRUE && lstat(srcName, &statbuf) != 0
-                        && errno == ENOENT) {
-                        /* do not reports errors for non-existent files if -f, just skip them */
-                } else {
-                        if (recursive_action(srcName, recursiveFlag, FALSE,
-                                                                TRUE, fileAction, dirAction, NULL) == FALSE) {
-                                status = EXIT_FAILURE;
-                        }
+        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;
                 }
-                optind++;
+
+                if (remove_file(argv[i], flags) < 0)
+                        status = 1;
         }
+
         return status;
 }