1/*-
2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Ken Smith of The State University of New York at Buffalo.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#if 0
34#ifndef lint
35static char const copyright[] =
36"@(#) Copyright (c) 1989, 1993, 1994\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41static char sccsid[] = "@(#)mv.c 8.2 (Berkeley) 4/2/94";
42#endif /* not lint */
43#endif
44#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Ken Smith of The State University of New York at Buffalo.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#if 0
34#ifndef lint
35static char const copyright[] =
36"@(#) Copyright (c) 1989, 1993, 1994\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41static char sccsid[] = "@(#)mv.c 8.2 (Berkeley) 4/2/94";
42#endif /* not lint */
43#endif
44#include <sys/cdefs.h>
|
45__FBSDID("$FreeBSD: head/bin/mv/mv.c 174935 2007-12-27 11:33:42Z dds $");
| 45__FBSDID("$FreeBSD: head/bin/mv/mv.c 180604 2008-07-19 00:13:26Z delphij $");
|
46
47#include <sys/types.h>
48#include <sys/acl.h>
49#include <sys/param.h>
50#include <sys/time.h>
51#include <sys/wait.h>
52#include <sys/stat.h>
53#include <sys/mount.h>
54
55#include <err.h>
56#include <errno.h>
57#include <fcntl.h>
58#include <grp.h>
59#include <limits.h>
60#include <paths.h>
61#include <pwd.h>
62#include <stdio.h>
63#include <stdlib.h>
64#include <string.h>
65#include <sysexits.h>
66#include <unistd.h>
67
68/* Exit code for a failed exec. */
69#define EXEC_FAILED 127
70
71int fflg, iflg, nflg, vflg;
72
| 46
47#include <sys/types.h>
48#include <sys/acl.h>
49#include <sys/param.h>
50#include <sys/time.h>
51#include <sys/wait.h>
52#include <sys/stat.h>
53#include <sys/mount.h>
54
55#include <err.h>
56#include <errno.h>
57#include <fcntl.h>
58#include <grp.h>
59#include <limits.h>
60#include <paths.h>
61#include <pwd.h>
62#include <stdio.h>
63#include <stdlib.h>
64#include <string.h>
65#include <sysexits.h>
66#include <unistd.h>
67
68/* Exit code for a failed exec. */
69#define EXEC_FAILED 127
70
71int fflg, iflg, nflg, vflg;
72
|
73int copy(char *, char *);
74int do_move(char *, char *);
75int fastcopy(char *, char *, struct stat *);
76void usage(void);
| 73static int copy(const char *, const char *);
74static int do_move(const char *, const char *);
75static int fastcopy(const char *, const char *, struct stat *);
76static void usage(void);
|
77
78int
79main(int argc, char *argv[])
80{
81 size_t baselen, len;
82 int rval;
83 char *p, *endp;
84 struct stat sb;
85 int ch;
86 char path[PATH_MAX];
87
88 while ((ch = getopt(argc, argv, "finv")) != -1)
89 switch (ch) {
90 case 'i':
91 iflg = 1;
92 fflg = nflg = 0;
93 break;
94 case 'f':
95 fflg = 1;
96 iflg = nflg = 0;
97 break;
98 case 'n':
99 nflg = 1;
100 fflg = iflg = 0;
101 break;
102 case 'v':
103 vflg = 1;
104 break;
105 default:
106 usage();
107 }
108 argc -= optind;
109 argv += optind;
110
111 if (argc < 2)
112 usage();
113
114 /*
115 * If the stat on the target fails or the target isn't a directory,
116 * try the move. More than 2 arguments is an error in this case.
117 */
118 if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) {
119 if (argc > 2)
120 usage();
121 exit(do_move(argv[0], argv[1]));
122 }
123
124 /* It's a directory, move each file into it. */
125 if (strlen(argv[argc - 1]) > sizeof(path) - 1)
126 errx(1, "%s: destination pathname too long", *argv);
127 (void)strcpy(path, argv[argc - 1]);
128 baselen = strlen(path);
129 endp = &path[baselen];
130 if (!baselen || *(endp - 1) != '/') {
131 *endp++ = '/';
132 ++baselen;
133 }
134 for (rval = 0; --argc; ++argv) {
135 /*
136 * Find the last component of the source pathname. It
137 * may have trailing slashes.
138 */
139 p = *argv + strlen(*argv);
140 while (p != *argv && p[-1] == '/')
141 --p;
142 while (p != *argv && p[-1] != '/')
143 --p;
144
145 if ((baselen + (len = strlen(p))) >= PATH_MAX) {
146 warnx("%s: destination pathname too long", *argv);
147 rval = 1;
148 } else {
149 memmove(endp, p, (size_t)len + 1);
150 if (do_move(*argv, path))
151 rval = 1;
152 }
153 }
154 exit(rval);
155}
156
| 77
78int
79main(int argc, char *argv[])
80{
81 size_t baselen, len;
82 int rval;
83 char *p, *endp;
84 struct stat sb;
85 int ch;
86 char path[PATH_MAX];
87
88 while ((ch = getopt(argc, argv, "finv")) != -1)
89 switch (ch) {
90 case 'i':
91 iflg = 1;
92 fflg = nflg = 0;
93 break;
94 case 'f':
95 fflg = 1;
96 iflg = nflg = 0;
97 break;
98 case 'n':
99 nflg = 1;
100 fflg = iflg = 0;
101 break;
102 case 'v':
103 vflg = 1;
104 break;
105 default:
106 usage();
107 }
108 argc -= optind;
109 argv += optind;
110
111 if (argc < 2)
112 usage();
113
114 /*
115 * If the stat on the target fails or the target isn't a directory,
116 * try the move. More than 2 arguments is an error in this case.
117 */
118 if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) {
119 if (argc > 2)
120 usage();
121 exit(do_move(argv[0], argv[1]));
122 }
123
124 /* It's a directory, move each file into it. */
125 if (strlen(argv[argc - 1]) > sizeof(path) - 1)
126 errx(1, "%s: destination pathname too long", *argv);
127 (void)strcpy(path, argv[argc - 1]);
128 baselen = strlen(path);
129 endp = &path[baselen];
130 if (!baselen || *(endp - 1) != '/') {
131 *endp++ = '/';
132 ++baselen;
133 }
134 for (rval = 0; --argc; ++argv) {
135 /*
136 * Find the last component of the source pathname. It
137 * may have trailing slashes.
138 */
139 p = *argv + strlen(*argv);
140 while (p != *argv && p[-1] == '/')
141 --p;
142 while (p != *argv && p[-1] != '/')
143 --p;
144
145 if ((baselen + (len = strlen(p))) >= PATH_MAX) {
146 warnx("%s: destination pathname too long", *argv);
147 rval = 1;
148 } else {
149 memmove(endp, p, (size_t)len + 1);
150 if (do_move(*argv, path))
151 rval = 1;
152 }
153 }
154 exit(rval);
155}
156
|
157int
158do_move(char *from, char *to)
| 157static int
158do_move(const char *from, const char *to)
|
159{
160 struct stat sb;
161 int ask, ch, first;
162 char modep[15];
163
164 /*
165 * Check access. If interactive and file exists, ask user if it
166 * should be replaced. Otherwise if file exists but isn't writable
167 * make sure the user wants to clobber it.
168 */
169 if (!fflg && !access(to, F_OK)) {
170
171 /* prompt only if source exist */
172 if (lstat(from, &sb) == -1) {
173 warn("%s", from);
174 return (1);
175 }
176
177#define YESNO "(y/n [n]) "
178 ask = 0;
179 if (nflg) {
180 if (vflg)
181 printf("%s not overwritten\n", to);
182 return (0);
183 } else if (iflg) {
184 (void)fprintf(stderr, "overwrite %s? %s", to, YESNO);
185 ask = 1;
186 } else if (access(to, W_OK) && !stat(to, &sb)) {
187 strmode(sb.st_mode, modep);
188 (void)fprintf(stderr, "override %s%s%s/%s for %s? %s",
189 modep + 1, modep[9] == ' ' ? "" : " ",
190 user_from_uid((unsigned long)sb.st_uid, 0),
191 group_from_gid((unsigned long)sb.st_gid, 0), to, YESNO);
192 ask = 1;
193 }
194 if (ask) {
195 first = ch = getchar();
196 while (ch != '\n' && ch != EOF)
197 ch = getchar();
198 if (first != 'y' && first != 'Y') {
199 (void)fprintf(stderr, "not overwritten\n");
200 return (0);
201 }
202 }
203 }
204 /*
205 * Rename on FreeBSD will fail with EISDIR and ENOTDIR, before failing
206 * with EXDEV. Therefore, copy() doesn't have to perform the checks
207 * specified in the Step 3 of the POSIX mv specification.
208 */
209 if (!rename(from, to)) {
210 if (vflg)
211 printf("%s -> %s\n", from, to);
212 return (0);
213 }
214
215 if (errno == EXDEV) {
216 struct statfs sfs;
217 char path[PATH_MAX];
218
219 /*
220 * If the source is a symbolic link and is on another
221 * filesystem, it can be recreated at the destination.
222 */
223 if (lstat(from, &sb) == -1) {
224 warn("%s", from);
225 return (1);
226 }
227 if (!S_ISLNK(sb.st_mode)) {
228 /* Can't mv(1) a mount point. */
229 if (realpath(from, path) == NULL) {
230 warn("cannot resolve %s: %s", from, path);
231 return (1);
232 }
233 if (!statfs(path, &sfs) &&
234 !strcmp(path, sfs.f_mntonname)) {
235 warnx("cannot rename a mount point");
236 return (1);
237 }
238 }
239 } else {
240 warn("rename %s to %s", from, to);
241 return (1);
242 }
243
244 /*
245 * If rename fails because we're trying to cross devices, and
246 * it's a regular file, do the copy internally; otherwise, use
247 * cp and rm.
248 */
249 if (lstat(from, &sb)) {
250 warn("%s", from);
251 return (1);
252 }
253 return (S_ISREG(sb.st_mode) ?
254 fastcopy(from, to, &sb) : copy(from, to));
255}
256
| 159{
160 struct stat sb;
161 int ask, ch, first;
162 char modep[15];
163
164 /*
165 * Check access. If interactive and file exists, ask user if it
166 * should be replaced. Otherwise if file exists but isn't writable
167 * make sure the user wants to clobber it.
168 */
169 if (!fflg && !access(to, F_OK)) {
170
171 /* prompt only if source exist */
172 if (lstat(from, &sb) == -1) {
173 warn("%s", from);
174 return (1);
175 }
176
177#define YESNO "(y/n [n]) "
178 ask = 0;
179 if (nflg) {
180 if (vflg)
181 printf("%s not overwritten\n", to);
182 return (0);
183 } else if (iflg) {
184 (void)fprintf(stderr, "overwrite %s? %s", to, YESNO);
185 ask = 1;
186 } else if (access(to, W_OK) && !stat(to, &sb)) {
187 strmode(sb.st_mode, modep);
188 (void)fprintf(stderr, "override %s%s%s/%s for %s? %s",
189 modep + 1, modep[9] == ' ' ? "" : " ",
190 user_from_uid((unsigned long)sb.st_uid, 0),
191 group_from_gid((unsigned long)sb.st_gid, 0), to, YESNO);
192 ask = 1;
193 }
194 if (ask) {
195 first = ch = getchar();
196 while (ch != '\n' && ch != EOF)
197 ch = getchar();
198 if (first != 'y' && first != 'Y') {
199 (void)fprintf(stderr, "not overwritten\n");
200 return (0);
201 }
202 }
203 }
204 /*
205 * Rename on FreeBSD will fail with EISDIR and ENOTDIR, before failing
206 * with EXDEV. Therefore, copy() doesn't have to perform the checks
207 * specified in the Step 3 of the POSIX mv specification.
208 */
209 if (!rename(from, to)) {
210 if (vflg)
211 printf("%s -> %s\n", from, to);
212 return (0);
213 }
214
215 if (errno == EXDEV) {
216 struct statfs sfs;
217 char path[PATH_MAX];
218
219 /*
220 * If the source is a symbolic link and is on another
221 * filesystem, it can be recreated at the destination.
222 */
223 if (lstat(from, &sb) == -1) {
224 warn("%s", from);
225 return (1);
226 }
227 if (!S_ISLNK(sb.st_mode)) {
228 /* Can't mv(1) a mount point. */
229 if (realpath(from, path) == NULL) {
230 warn("cannot resolve %s: %s", from, path);
231 return (1);
232 }
233 if (!statfs(path, &sfs) &&
234 !strcmp(path, sfs.f_mntonname)) {
235 warnx("cannot rename a mount point");
236 return (1);
237 }
238 }
239 } else {
240 warn("rename %s to %s", from, to);
241 return (1);
242 }
243
244 /*
245 * If rename fails because we're trying to cross devices, and
246 * it's a regular file, do the copy internally; otherwise, use
247 * cp and rm.
248 */
249 if (lstat(from, &sb)) {
250 warn("%s", from);
251 return (1);
252 }
253 return (S_ISREG(sb.st_mode) ?
254 fastcopy(from, to, &sb) : copy(from, to));
255}
256
|
257int
258fastcopy(char *from, char *to, struct stat *sbp)
| 257static int
258fastcopy(const char *from, const char *to, struct stat *sbp)
|
259{
260 struct timeval tval[2];
261 static u_int blen;
262 static char *bp;
263 acl_t acl;
264 mode_t oldmode;
265 int nread, from_fd, to_fd;
266
267 if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
268 warn("%s", from);
269 return (1);
270 }
271 if (blen < sbp->st_blksize) {
272 if (bp != NULL)
273 free(bp);
274 if ((bp = malloc((size_t)sbp->st_blksize)) == NULL) {
275 blen = 0;
276 warnx("malloc failed");
277 return (1);
278 }
279 blen = sbp->st_blksize;
280 }
281 while ((to_fd =
282 open(to, O_CREAT | O_EXCL | O_TRUNC | O_WRONLY, 0)) < 0) {
283 if (errno == EEXIST && unlink(to) == 0)
284 continue;
285 warn("%s", to);
286 (void)close(from_fd);
287 return (1);
288 }
289 while ((nread = read(from_fd, bp, (size_t)blen)) > 0)
290 if (write(to_fd, bp, (size_t)nread) != nread) {
291 warn("%s", to);
292 goto err;
293 }
294 if (nread < 0) {
295 warn("%s", from);
296err: if (unlink(to))
297 warn("%s: remove", to);
298 (void)close(from_fd);
299 (void)close(to_fd);
300 return (1);
301 }
302
303 oldmode = sbp->st_mode & ALLPERMS;
304 if (fchown(to_fd, sbp->st_uid, sbp->st_gid)) {
305 warn("%s: set owner/group (was: %lu/%lu)", to,
306 (u_long)sbp->st_uid, (u_long)sbp->st_gid);
307 if (oldmode & (S_ISUID | S_ISGID)) {
308 warnx(
309"%s: owner/group changed; clearing suid/sgid (mode was 0%03o)",
310 to, oldmode);
311 sbp->st_mode &= ~(S_ISUID | S_ISGID);
312 }
313 }
314 /*
315 * POSIX 1003.2c states that if _POSIX_ACL_EXTENDED is in effect
316 * for dest_file, then its ACLs shall reflect the ACLs of the
317 * source_file.
318 */
319 if (fpathconf(to_fd, _PC_ACL_EXTENDED) == 1 &&
320 fpathconf(from_fd, _PC_ACL_EXTENDED) == 1) {
321 acl = acl_get_fd(from_fd);
322 if (acl == NULL)
323 warn("failed to get acl entries while setting %s",
324 from);
325 else if (acl_set_fd(to_fd, acl) < 0)
326 warn("failed to set acl entries for %s", to);
327 }
328 (void)close(from_fd);
329 if (fchmod(to_fd, sbp->st_mode))
330 warn("%s: set mode (was: 0%03o)", to, oldmode);
331 /*
332 * XXX
333 * NFS doesn't support chflags; ignore errors unless there's reason
334 * to believe we're losing bits. (Note, this still won't be right
335 * if the server supports flags and we were trying to *remove* flags
336 * on a file that we copied, i.e., that we didn't create.)
337 */
338 errno = 0;
339 if (fchflags(to_fd, (u_long)sbp->st_flags))
340 if (errno != EOPNOTSUPP || sbp->st_flags != 0)
341 warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
342
343 tval[0].tv_sec = sbp->st_atime;
344 tval[1].tv_sec = sbp->st_mtime;
345 tval[0].tv_usec = tval[1].tv_usec = 0;
346 if (utimes(to, tval))
347 warn("%s: set times", to);
348
349 if (close(to_fd)) {
350 warn("%s", to);
351 return (1);
352 }
353
354 if (unlink(from)) {
355 warn("%s: remove", from);
356 return (1);
357 }
358 if (vflg)
359 printf("%s -> %s\n", from, to);
360 return (0);
361}
362
| 259{
260 struct timeval tval[2];
261 static u_int blen;
262 static char *bp;
263 acl_t acl;
264 mode_t oldmode;
265 int nread, from_fd, to_fd;
266
267 if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
268 warn("%s", from);
269 return (1);
270 }
271 if (blen < sbp->st_blksize) {
272 if (bp != NULL)
273 free(bp);
274 if ((bp = malloc((size_t)sbp->st_blksize)) == NULL) {
275 blen = 0;
276 warnx("malloc failed");
277 return (1);
278 }
279 blen = sbp->st_blksize;
280 }
281 while ((to_fd =
282 open(to, O_CREAT | O_EXCL | O_TRUNC | O_WRONLY, 0)) < 0) {
283 if (errno == EEXIST && unlink(to) == 0)
284 continue;
285 warn("%s", to);
286 (void)close(from_fd);
287 return (1);
288 }
289 while ((nread = read(from_fd, bp, (size_t)blen)) > 0)
290 if (write(to_fd, bp, (size_t)nread) != nread) {
291 warn("%s", to);
292 goto err;
293 }
294 if (nread < 0) {
295 warn("%s", from);
296err: if (unlink(to))
297 warn("%s: remove", to);
298 (void)close(from_fd);
299 (void)close(to_fd);
300 return (1);
301 }
302
303 oldmode = sbp->st_mode & ALLPERMS;
304 if (fchown(to_fd, sbp->st_uid, sbp->st_gid)) {
305 warn("%s: set owner/group (was: %lu/%lu)", to,
306 (u_long)sbp->st_uid, (u_long)sbp->st_gid);
307 if (oldmode & (S_ISUID | S_ISGID)) {
308 warnx(
309"%s: owner/group changed; clearing suid/sgid (mode was 0%03o)",
310 to, oldmode);
311 sbp->st_mode &= ~(S_ISUID | S_ISGID);
312 }
313 }
314 /*
315 * POSIX 1003.2c states that if _POSIX_ACL_EXTENDED is in effect
316 * for dest_file, then its ACLs shall reflect the ACLs of the
317 * source_file.
318 */
319 if (fpathconf(to_fd, _PC_ACL_EXTENDED) == 1 &&
320 fpathconf(from_fd, _PC_ACL_EXTENDED) == 1) {
321 acl = acl_get_fd(from_fd);
322 if (acl == NULL)
323 warn("failed to get acl entries while setting %s",
324 from);
325 else if (acl_set_fd(to_fd, acl) < 0)
326 warn("failed to set acl entries for %s", to);
327 }
328 (void)close(from_fd);
329 if (fchmod(to_fd, sbp->st_mode))
330 warn("%s: set mode (was: 0%03o)", to, oldmode);
331 /*
332 * XXX
333 * NFS doesn't support chflags; ignore errors unless there's reason
334 * to believe we're losing bits. (Note, this still won't be right
335 * if the server supports flags and we were trying to *remove* flags
336 * on a file that we copied, i.e., that we didn't create.)
337 */
338 errno = 0;
339 if (fchflags(to_fd, (u_long)sbp->st_flags))
340 if (errno != EOPNOTSUPP || sbp->st_flags != 0)
341 warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
342
343 tval[0].tv_sec = sbp->st_atime;
344 tval[1].tv_sec = sbp->st_mtime;
345 tval[0].tv_usec = tval[1].tv_usec = 0;
346 if (utimes(to, tval))
347 warn("%s: set times", to);
348
349 if (close(to_fd)) {
350 warn("%s", to);
351 return (1);
352 }
353
354 if (unlink(from)) {
355 warn("%s: remove", from);
356 return (1);
357 }
358 if (vflg)
359 printf("%s -> %s\n", from, to);
360 return (0);
361}
362
|
363int
364copy(char *from, char *to)
| 363static int
364copy(const char *from, const char *to)
|
365{
366 struct stat sb;
367 int pid, status;
368
369 if (lstat(to, &sb) == 0) {
370 /* Destination path exists. */
371 if (S_ISDIR(sb.st_mode)) {
372 if (rmdir(to) != 0) {
373 warn("rmdir %s", to);
374 return (1);
375 }
376 } else {
377 if (unlink(to) != 0) {
378 warn("unlink %s", to);
379 return (1);
380 }
381 }
382 } else if (errno != ENOENT) {
383 warn("%s", to);
384 return (1);
385 }
386
387 /* Copy source to destination. */
388 if (!(pid = vfork())) {
389 execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", "--", from, to,
390 (char *)NULL);
391 _exit(EXEC_FAILED);
392 }
393 if (waitpid(pid, &status, 0) == -1) {
394 warn("%s %s %s: waitpid", _PATH_CP, from, to);
395 return (1);
396 }
397 if (!WIFEXITED(status)) {
398 warnx("%s %s %s: did not terminate normally",
399 _PATH_CP, from, to);
400 return (1);
401 }
402 switch (WEXITSTATUS(status)) {
403 case 0:
404 break;
405 case EXEC_FAILED:
406 warnx("%s %s %s: exec failed", _PATH_CP, from, to);
407 return (1);
408 default:
409 warnx("%s %s %s: terminated with %d (non-zero) status",
410 _PATH_CP, from, to, WEXITSTATUS(status));
411 return (1);
412 }
413
414 /* Delete the source. */
415 if (!(pid = vfork())) {
416 execl(_PATH_RM, "mv", "-rf", "--", from, (char *)NULL);
417 _exit(EXEC_FAILED);
418 }
419 if (waitpid(pid, &status, 0) == -1) {
420 warn("%s %s: waitpid", _PATH_RM, from);
421 return (1);
422 }
423 if (!WIFEXITED(status)) {
424 warnx("%s %s: did not terminate normally", _PATH_RM, from);
425 return (1);
426 }
427 switch (WEXITSTATUS(status)) {
428 case 0:
429 break;
430 case EXEC_FAILED:
431 warnx("%s %s: exec failed", _PATH_RM, from);
432 return (1);
433 default:
434 warnx("%s %s: terminated with %d (non-zero) status",
435 _PATH_RM, from, WEXITSTATUS(status));
436 return (1);
437 }
438 return (0);
439}
440
| 365{
366 struct stat sb;
367 int pid, status;
368
369 if (lstat(to, &sb) == 0) {
370 /* Destination path exists. */
371 if (S_ISDIR(sb.st_mode)) {
372 if (rmdir(to) != 0) {
373 warn("rmdir %s", to);
374 return (1);
375 }
376 } else {
377 if (unlink(to) != 0) {
378 warn("unlink %s", to);
379 return (1);
380 }
381 }
382 } else if (errno != ENOENT) {
383 warn("%s", to);
384 return (1);
385 }
386
387 /* Copy source to destination. */
388 if (!(pid = vfork())) {
389 execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", "--", from, to,
390 (char *)NULL);
391 _exit(EXEC_FAILED);
392 }
393 if (waitpid(pid, &status, 0) == -1) {
394 warn("%s %s %s: waitpid", _PATH_CP, from, to);
395 return (1);
396 }
397 if (!WIFEXITED(status)) {
398 warnx("%s %s %s: did not terminate normally",
399 _PATH_CP, from, to);
400 return (1);
401 }
402 switch (WEXITSTATUS(status)) {
403 case 0:
404 break;
405 case EXEC_FAILED:
406 warnx("%s %s %s: exec failed", _PATH_CP, from, to);
407 return (1);
408 default:
409 warnx("%s %s %s: terminated with %d (non-zero) status",
410 _PATH_CP, from, to, WEXITSTATUS(status));
411 return (1);
412 }
413
414 /* Delete the source. */
415 if (!(pid = vfork())) {
416 execl(_PATH_RM, "mv", "-rf", "--", from, (char *)NULL);
417 _exit(EXEC_FAILED);
418 }
419 if (waitpid(pid, &status, 0) == -1) {
420 warn("%s %s: waitpid", _PATH_RM, from);
421 return (1);
422 }
423 if (!WIFEXITED(status)) {
424 warnx("%s %s: did not terminate normally", _PATH_RM, from);
425 return (1);
426 }
427 switch (WEXITSTATUS(status)) {
428 case 0:
429 break;
430 case EXEC_FAILED:
431 warnx("%s %s: exec failed", _PATH_RM, from);
432 return (1);
433 default:
434 warnx("%s %s: terminated with %d (non-zero) status",
435 _PATH_RM, from, WEXITSTATUS(status));
436 return (1);
437 }
438 return (0);
439}
440
|
441void
| 441static void
|
442usage(void)
443{
444
445 (void)fprintf(stderr, "%s\n%s\n",
446 "usage: mv [-f | -i | -n] [-v] source target",
447 " mv [-f | -i | -n] [-v] source ... directory");
448 exit(EX_USAGE);
449}
| 442usage(void)
443{
444
445 (void)fprintf(stderr, "%s\n%s\n",
446 "usage: mv [-f | -i | -n] [-v] source target",
447 " mv [-f | -i | -n] [-v] source ... directory");
448 exit(EX_USAGE);
449}
|