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author | Eric Andersen <andersen@codepoet.org> | 2001-10-24 05:00:29 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2001-10-24 05:00:29 +0000 |
commit | bdfd0d78bc44e73d693510e70087857785b3b521 (patch) | |
tree | 153a573095afac8d8d0ea857759ecabd77fb28b7 /mv.c | |
parent | 9260fc5552a3ee52eb95823aa6689d52a1ffd33c (diff) | |
download | busybox-w32-bdfd0d78bc44e73d693510e70087857785b3b521.tar.gz busybox-w32-bdfd0d78bc44e73d693510e70087857785b3b521.tar.bz2 busybox-w32-bdfd0d78bc44e73d693510e70087857785b3b521.zip |
Major rework of the directory structure and the entire build system.
-Erik
Diffstat (limited to 'mv.c')
-rw-r--r-- | mv.c | 168 |
1 files changed, 0 insertions, 168 deletions
@@ -1,168 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Mini mv 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 <dirent.h> | ||
28 | #include <errno.h> | ||
29 | #include <stdlib.h> | ||
30 | |||
31 | #include "busybox.h" | ||
32 | |||
33 | static int flags; | ||
34 | |||
35 | static int manual_rename(const char *source, const char *dest) | ||
36 | { | ||
37 | struct stat source_stat; | ||
38 | struct stat dest_stat; | ||
39 | int source_exists = 1; | ||
40 | int dest_exists = 1; | ||
41 | |||
42 | if (stat(source, &source_stat) < 0) { | ||
43 | if (errno != ENOENT) { | ||
44 | perror_msg("unable to stat `%s'", source); | ||
45 | return -1; | ||
46 | } | ||
47 | source_exists = 0; | ||
48 | } | ||
49 | |||
50 | if (stat(dest, &dest_stat) < 0) { | ||
51 | if (errno != ENOENT) { | ||
52 | perror_msg("unable to stat `%s'", dest); | ||
53 | return -1; | ||
54 | } | ||
55 | dest_exists = 0; | ||
56 | } | ||
57 | |||
58 | if (dest_exists) { | ||
59 | if (S_ISDIR(dest_stat.st_mode) && | ||
60 | (!source_exists || !S_ISDIR(source_stat.st_mode))) { | ||
61 | error_msg("cannot overwrite directory with non-directory"); | ||
62 | return -1; | ||
63 | } | ||
64 | |||
65 | if (!S_ISDIR(dest_stat.st_mode) && source_exists && | ||
66 | S_ISDIR(source_stat.st_mode)) { | ||
67 | error_msg("cannot overwrite non-directory with directory"); | ||
68 | return -1; | ||
69 | } | ||
70 | |||
71 | if (unlink(dest) < 0) { | ||
72 | perror_msg("cannot remove `%s'", dest); | ||
73 | return -1; | ||
74 | } | ||
75 | } | ||
76 | |||
77 | if (copy_file(source, dest, | ||
78 | FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) < 0) | ||
79 | return -1; | ||
80 | |||
81 | if (remove_file(source, FILEUTILS_RECUR | FILEUTILS_FORCE) < 0) | ||
82 | return -1; | ||
83 | |||
84 | return 0; | ||
85 | } | ||
86 | |||
87 | static int move_file(const char *source, const char *dest) | ||
88 | { | ||
89 | struct stat dest_stat; | ||
90 | int dest_exists = 1; | ||
91 | |||
92 | if (stat(dest, &dest_stat) < 0) { | ||
93 | if (errno != ENOENT) { | ||
94 | perror_msg("unable to stat `%s'", dest); | ||
95 | return -1; | ||
96 | } | ||
97 | dest_exists = 0; | ||
98 | } | ||
99 | |||
100 | if (dest_exists && !(flags & FILEUTILS_FORCE) && | ||
101 | ((access(dest, W_OK) < 0 && isatty(0)) || | ||
102 | (flags & FILEUTILS_INTERACTIVE))) { | ||
103 | fprintf(stderr, "mv: overwrite `%s'? ", dest); | ||
104 | if (!ask_confirmation()) | ||
105 | return 0; | ||
106 | } | ||
107 | |||
108 | if (rename(source, dest) < 0) { | ||
109 | if (errno == EXDEV) | ||
110 | return manual_rename(source, dest); | ||
111 | |||
112 | perror_msg("unable to rename `%s'", source); | ||
113 | return -1; | ||
114 | } | ||
115 | |||
116 | return 0; | ||
117 | } | ||
118 | |||
119 | extern int mv_main(int argc, char **argv) | ||
120 | { | ||
121 | int status = 0; | ||
122 | int opt; | ||
123 | int i; | ||
124 | |||
125 | while ((opt = getopt(argc, argv, "fi")) != -1) | ||
126 | switch (opt) { | ||
127 | case 'f': | ||
128 | flags &= ~FILEUTILS_INTERACTIVE; | ||
129 | flags |= FILEUTILS_FORCE; | ||
130 | break; | ||
131 | case 'i': | ||
132 | flags &= ~FILEUTILS_FORCE; | ||
133 | flags |= FILEUTILS_INTERACTIVE; | ||
134 | break; | ||
135 | default: | ||
136 | show_usage(); | ||
137 | } | ||
138 | |||
139 | if (optind + 2 > argc) | ||
140 | show_usage(); | ||
141 | |||
142 | if (optind + 2 == argc) { | ||
143 | struct stat dest_stat; | ||
144 | int dest_exists = 1; | ||
145 | |||
146 | if (stat(argv[optind + 1], &dest_stat) < 0) { | ||
147 | if (errno != ENOENT) | ||
148 | perror_msg_and_die("unable to stat `%s'", argv[optind + 1]); | ||
149 | dest_exists = 0; | ||
150 | } | ||
151 | |||
152 | if (!dest_exists || !S_ISDIR(dest_stat.st_mode)) { | ||
153 | if (move_file(argv[optind], argv[optind + 1]) < 0) | ||
154 | status = 1; | ||
155 | return status; | ||
156 | } | ||
157 | } | ||
158 | |||
159 | for (i = optind; i < argc - 1; i++) { | ||
160 | char *dest = concat_path_file(argv[argc - 1], | ||
161 | get_last_path_component(argv[i])); | ||
162 | if (move_file(argv[i], dest) < 0) | ||
163 | status = 1; | ||
164 | free(dest); | ||
165 | } | ||
166 | |||
167 | return status; | ||
168 | } | ||