| Matt Kraai | 91b2855 | 2001-04-23 18:53:07 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Mini cp implementation for busybox |
| 4 | * |
| 5 | * |
| 6 | * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <sys/types.h> |
| 25 | #include <sys/stat.h> |
| 26 | #include <unistd.h> |
| 27 | #include <fcntl.h> |
| 28 | #include <utime.h> |
| 29 | #include <errno.h> |
| 30 | #include <dirent.h> |
| 31 | #include <stdlib.h> |
| 32 | |
| 33 | #include "busybox.h" |
| 34 | |
| 35 | extern int cp_main(int argc, char **argv) |
| 36 | { |
| 37 | int status = 0; |
| 38 | int opt; |
| 39 | int flags = 0; |
| 40 | int i; |
| 41 | |
| 42 | while ((opt = getopt(argc, argv, "adfipR")) != -1) |
| 43 | switch (opt) { |
| 44 | case 'a': |
| 45 | flags |= CP_PRESERVE_STATUS | CP_RECUR; |
| 46 | /* fallthrough */ |
| 47 | case 'd': |
| 48 | flags |= CP_PRESERVE_SYMLINKS; |
| 49 | break; |
| 50 | case 'f': |
| 51 | flags |= CP_FORCE; |
| 52 | break; |
| 53 | case 'i': |
| 54 | flags |= CP_INTERACTIVE; |
| 55 | break; |
| 56 | case 'p': |
| 57 | flags |= CP_PRESERVE_STATUS; |
| 58 | break; |
| 59 | case 'R': |
| 60 | flags |= CP_RECUR; |
| 61 | break; |
| 62 | default: |
| 63 | show_usage(); |
| 64 | } |
| 65 | |
| 66 | if (optind + 2 > argc) |
| 67 | show_usage(); |
| 68 | |
| 69 | /* If there are only two arguments and... */ |
| 70 | if (optind + 2 == argc) { |
| 71 | struct stat source_stat; |
| 72 | struct stat dest_stat; |
| 73 | int source_exists = 1; |
| 74 | int dest_exists = 1; |
| 75 | |
| 76 | if (((flags & CP_PRESERVE_SYMLINKS) && |
| 77 | lstat(argv[optind], &source_stat) < 0) || |
| 78 | (!(flags & CP_PRESERVE_SYMLINKS) && |
| 79 | stat(argv[optind], &source_stat))) { |
| 80 | if (errno != ENOENT) |
| 81 | perror_msg_and_die("unable to stat `%s'", argv[optind]); |
| 82 | source_exists = 0; |
| 83 | } |
| 84 | |
| 85 | if (stat(argv[optind + 1], &dest_stat) < 0) { |
| 86 | if (errno != ENOENT) |
| 87 | perror_msg_and_die("unable to stat `%s'", argv[optind + 1]); |
| 88 | dest_exists = 0; |
| 89 | } |
| 90 | |
| 91 | /* ...if neither is a directory or... */ |
| 92 | if (((!source_exists || !S_ISDIR(source_stat.st_mode)) && |
| 93 | (!dest_exists || !S_ISDIR(dest_stat.st_mode))) || |
| 94 | /* ...recursing, the first is a directory, and the |
| 95 | * second doesn't exist, then... */ |
| 96 | ((flags & CP_RECUR) && S_ISDIR(source_stat.st_mode) && |
| 97 | !dest_exists)) { |
| 98 | /* ...do a simple copy. */ |
| 99 | if (copy_file(argv[optind], argv[optind + 1], flags) < 0) |
| 100 | status = 1; |
| 101 | return status; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | for (i = optind; i < argc - 1; i++) { |
| 106 | char *dest = concat_path_file(argv[argc - 1], |
| 107 | get_last_path_component(argv[i])); |
| 108 | if (copy_file(argv[i], dest, flags) < 0) |
| 109 | status = 1; |
| 110 | free(dest); |
| 111 | } |
| 112 | |
| 113 | return status; |
| 114 | } |