Replaced by md5_sha1_sum.c

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

diff --git a/coreutils/mv.c b/coreutils/mv.c
index 22c4a12077c0222276969ea67d7599e05262c6c8..55da2cc6884ce499578d9c2f9e5f873aca6ae75b 100644 (file)
--- a/coreutils/mv.c
+++ b/coreutils/mv.c
@@ -1,38 +1,143 @@
-#include "internal.h"
-#include <stdio.h>
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini mv implementation for busybox
+ *
+ * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
+ *
+ * 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
+ *
+ */
+
+/* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
+ *
+ * Size reduction and improved error checking.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
 #include <errno.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include "busybox.h"
+#include "libcoreutils/coreutils.h"
+
+static const struct option mv_long_options[] = {
+       { "interactive", 0, NULL, 'i' },
+       { "force", 0, NULL, 'f' },
+       { 0, 0, 0, 0 }
+};
+
+static const char mv_getopt_short_option[] = "fi";
+#define OPT_FILEUTILS_FORCE       1
+#define OPT_FILEUTILS_INTERACTIVE 2
 
-const char     mv_usage[] = "mv source-file destination-file\n"
-"\t\tmv source-file [source-file ...] destination-directory\n"
-"\n"
-"\tMove the source files to the destination.\n"
-"\n";
+static const char fmt[] = "cannot overwrite %sdirectory with %sdirectory";
 
-extern int
-mv_fn(const struct FileInfo * i)
+extern int mv_main(int argc, char **argv)
 {
-       struct stat             destination_stat;
-       char                    d[1024];
-       struct FileInfo n;
-
-       if ( stat(i->destination, &destination_stat) == 0 ) {
-               if ( i->stat.st_ino == destination_stat.st_ino
-                &&  i->stat.st_dev == destination_stat.st_dev )
-                       return 0;       /* Move file to itself. */
-       }
-       if ( (destination_stat.st_mode & S_IFMT) == S_IFDIR ) {
-               n = *i;
-               n.destination = join_paths(d, i->destination, basename(i->source));
-               i = &n;
-       }
-       if ( rename(i->source, i->destination) == 0 )
-               return 0;
-       else if ( errno == EXDEV && is_a_directory(i->source) ) {
-               fprintf(stderr
-               ,"%s: Can't move directory across filesystems.\n"
-               ,i->source);
-               return 1;
+       struct stat source_stat;
+       struct stat dest_stat;
+       const char *last;
+       const char *dest;
+       int dest_exists;
+       int source_exists;
+       unsigned long flags;
+       int status = 0;
+
+       bb_applet_long_options = mv_long_options;
+       bb_opt_complementaly = "f-i:i-f";
+       flags = bb_getopt_ulflags(argc, argv, mv_getopt_short_option);
+
+       if (optind + 2 > argc)
+               bb_show_usage();
+
+       last = argv[argc - 1];
+       argv += optind;
+
+       if (optind + 2 == argc) {
+               if ((dest_exists = cp_mv_stat(last, &dest_stat)) < 0) {
+                       return 1;
+               }
+
+               if (!(dest_exists & 2)) {
+                       dest = last;
+                       goto DO_MOVE;
+               }
        }
-       else
-               return cp_fn(i);
+       
+       do {
+               dest = concat_path_file(last, bb_get_last_path_component(*argv));
+
+               if ((dest_exists = cp_mv_stat(dest, &dest_stat)) < 0) {
+                       goto RET_1;
+               }
+
+       DO_MOVE:
+               
+               if (dest_exists && !(flags & OPT_FILEUTILS_FORCE) &&
+                       ((access(dest, W_OK) < 0 && isatty(0)) ||
+                        (flags & OPT_FILEUTILS_INTERACTIVE))) {
+                                if (fprintf(stderr, "mv: overwrite `%s'? ", dest) < 0) {
+                                        goto RET_1;    /* Ouch! fprintf failed! */
+                                }
+                                if (!bb_ask_confirmation())
+                                        goto RET_0;
+                }
+               
+               if (rename(*argv, dest) < 0) {
+                       if (errno != EXDEV) {
+                               bb_perror_msg("unable to rename `%s'", *argv);
+                       } else if ((source_exists = cp_mv_stat(*argv, &source_stat)) >= 0) {
+                               if (dest_exists) {
+                                       if (dest_exists & 2) {
+                                               if (!(source_exists & 2)) {
+                                                       bb_error_msg(fmt, "", "non-");
+                                                       goto RET_1;
+                                               }
+                                       } else {
+                                               if (source_exists & 2) {
+                                                       bb_error_msg(fmt, "non-", "");
+                                                       goto RET_1;
+                                               }
+                                       }
+                                       if (unlink(dest) < 0) {
+                                               bb_perror_msg("cannot remove `%s'", dest);
+                                               goto RET_1;
+                                       }
+                               }
+                               
+                               if ((copy_file(*argv, dest,
+                                                          FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) >= 0)
+                                       && (remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)
+                                       ) {
+                                       goto RET_0;
+                               }
+                               
+                       }
+               RET_1:
+                       status = 1;
+               }
+
+       RET_0:
+               if (dest != last) {
+                       free((void *) dest);
+               }
+               
+       } while (*++argv != last);
+       
+       exit(status);
 }