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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | /* 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 } }; #define OPT_FILEUTILS_FORCE 1 #define OPT_FILEUTILS_INTERACTIVE 2 static const char fmt[] = "cannot overwrite %sdirectory with %sdirectory"; extern int mv_main(int argc, char **argv) { struct stat dest_stat; const char *last; const char *dest; unsigned long flags; int dest_exists; int status = 0; bb_applet_long_options = mv_long_options; bb_opt_complementaly = "f-i:i-f"; flags = bb_getopt_ulflags(argc, argv, "fi"); 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; } } 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) { struct stat source_stat; int source_exists; 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 == 3) { if (source_exists != 3) { bb_error_msg(fmt, "", "non-"); goto RET_1; } } else { if (source_exists == 3) { 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); return (status); } |