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>
| 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>
|
46
47#include <sys/param.h>
48#include <sys/time.h>
49#include <sys/wait.h>
50#include <sys/stat.h>
51#include <sys/mount.h>
52
53#include <err.h>
54#include <errno.h>
55#include <fcntl.h>
56#include <grp.h>
57#include <limits.h>
58#include <paths.h>
59#include <pwd.h>
60#include <stdio.h>
61#include <stdlib.h>
62#include <string.h>
63#include <sysexits.h>
64#include <unistd.h>
65
66int fflg, iflg, nflg, vflg;
67
68int copy(char *, char *);
69int do_move(char *, char *);
70int fastcopy(char *, char *, struct stat *);
71void usage(void);
72
73int
74main(int argc, char *argv[])
75{
76 size_t baselen, len;
77 int rval;
78 char *p, *endp;
79 struct stat sb;
80 int ch;
81 char path[PATH_MAX];
82
83 while ((ch = getopt(argc, argv, "finv")) != -1)
84 switch (ch) {
85 case 'i':
86 iflg = 1;
87 fflg = nflg = 0;
88 break;
89 case 'f':
90 fflg = 1;
91 iflg = nflg = 0;
92 break;
93 case 'n':
94 nflg = 1;
95 fflg = iflg = 0;
96 break;
97 case 'v':
98 vflg = 1;
99 break;
100 default:
101 usage();
102 }
103 argc -= optind;
104 argv += optind;
105
106 if (argc < 2)
107 usage();
108
109 /*
110 * If the stat on the target fails or the target isn't a directory,
111 * try the move. More than 2 arguments is an error in this case.
112 */
113 if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) {
114 if (argc > 2)
115 usage();
116 exit(do_move(argv[0], argv[1]));
117 }
118
119 /* It's a directory, move each file into it. */
120 if (strlen(argv[argc - 1]) > sizeof(path) - 1)
121 errx(1, "%s: destination pathname too long", *argv);
122 (void)strcpy(path, argv[argc - 1]);
123 baselen = strlen(path);
124 endp = &path[baselen];
125 if (!baselen || *(endp - 1) != '/') {
126 *endp++ = '/';
127 ++baselen;
128 }
129 for (rval = 0; --argc; ++argv) {
130 /*
131 * Find the last component of the source pathname. It
132 * may have trailing slashes.
133 */
134 p = *argv + strlen(*argv);
135 while (p != *argv && p[-1] == '/')
136 --p;
137 while (p != *argv && p[-1] != '/')
138 --p;
139
140 if ((baselen + (len = strlen(p))) >= PATH_MAX) {
141 warnx("%s: destination pathname too long", *argv);
142 rval = 1;
143 } else {
144 memmove(endp, p, (size_t)len + 1);
145 if (do_move(*argv, path))
146 rval = 1;
147 }
148 }
149 exit(rval);
150}
151
152int
153do_move(char *from, char *to)
154{
155 struct stat sb;
156 int ask, ch, first;
157 char modep[15];
158
159 /*
160 * Check access. If interactive and file exists, ask user if it
161 * should be replaced. Otherwise if file exists but isn't writable
162 * make sure the user wants to clobber it.
163 */
164 if (!fflg && !access(to, F_OK)) {
165
166 /* prompt only if source exist */
167 if (lstat(from, &sb) == -1) {
168 warn("%s", from);
169 return (1);
170 }
171
172#define YESNO "(y/n [n]) "
173 ask = 0;
174 if (nflg) {
175 if (vflg)
176 printf("%s not overwritten\n", to);
177 return (0);
178 } else if (iflg) {
179 (void)fprintf(stderr, "overwrite %s? %s", to, YESNO);
180 ask = 1;
181 } else if (access(to, W_OK) && !stat(to, &sb)) {
182 strmode(sb.st_mode, modep);
183 (void)fprintf(stderr, "override %s%s%s/%s for %s? %s",
184 modep + 1, modep[9] == ' ' ? "" : " ",
185 user_from_uid((unsigned long)sb.st_uid, 0),
186 group_from_gid((unsigned long)sb.st_gid, 0), to, YESNO);
187 ask = 1;
188 }
189 if (ask) {
190 first = ch = getchar();
191 while (ch != '\n' && ch != EOF)
192 ch = getchar();
193 if (first != 'y' && first != 'Y') {
194 (void)fprintf(stderr, "not overwritten\n");
195 return (0);
196 }
197 }
198 }
199 if (!rename(from, to)) {
200 if (vflg)
201 printf("%s -> %s\n", from, to);
202 return (0);
203 }
204
205 if (errno == EXDEV) {
206 struct statfs sfs;
207 char path[PATH_MAX];
208
209 /*
210 * If the source is a symbolic link and is on another
211 * filesystem, it can be recreated at the destination.
212 */
213 if (lstat(from, &sb) == -1) {
214 warn("%s", from);
215 return (1);
216 }
217 if (!S_ISLNK(sb.st_mode)) {
218 /* Can't mv(1) a mount point. */
219 if (realpath(from, path) == NULL) {
220 warnx("cannot resolve %s: %s", from, path);
221 return (1);
222 }
223 if (!statfs(path, &sfs) &&
224 !strcmp(path, sfs.f_mntonname)) {
225 warnx("cannot rename a mount point");
226 return (1);
227 }
228 }
229 } else {
230 warn("rename %s to %s", from, to);
231 return (1);
232 }
233
234 /*
235 * If rename fails because we're trying to cross devices, and
236 * it's a regular file, do the copy internally; otherwise, use
237 * cp and rm.
238 */
239 if (lstat(from, &sb)) {
240 warn("%s", from);
241 return (1);
242 }
243 return (S_ISREG(sb.st_mode) ?
244 fastcopy(from, to, &sb) : copy(from, to));
245}
246
247int
248fastcopy(char *from, char *to, struct stat *sbp)
249{
250 struct timeval tval[2];
251 static u_int blen;
252 static char *bp;
253 mode_t oldmode;
254 int nread, from_fd, to_fd;
255
256 if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
257 warn("%s", from);
258 return (1);
259 }
260 if (blen < sbp->st_blksize) {
261 if (bp != NULL)
262 free(bp);
263 if ((bp = malloc((size_t)sbp->st_blksize)) == NULL) {
264 blen = 0;
265 warnx("malloc failed");
266 return (1);
267 }
268 blen = sbp->st_blksize;
269 }
270 while ((to_fd =
271 open(to, O_CREAT | O_EXCL | O_TRUNC | O_WRONLY, 0)) < 0) {
272 if (errno == EEXIST && unlink(to) == 0)
273 continue;
274 warn("%s", to);
275 (void)close(from_fd);
276 return (1);
277 }
278 while ((nread = read(from_fd, bp, (size_t)blen)) > 0)
279 if (write(to_fd, bp, (size_t)nread) != nread) {
280 warn("%s", to);
281 goto err;
282 }
283 if (nread < 0) {
284 warn("%s", from);
285err: if (unlink(to))
286 warn("%s: remove", to);
287 (void)close(from_fd);
288 (void)close(to_fd);
289 return (1);
290 }
291 (void)close(from_fd);
292
293 oldmode = sbp->st_mode & ALLPERMS;
294 if (fchown(to_fd, sbp->st_uid, sbp->st_gid)) {
295 warn("%s: set owner/group (was: %lu/%lu)", to,
296 (u_long)sbp->st_uid, (u_long)sbp->st_gid);
297 if (oldmode & (S_ISUID | S_ISGID)) {
298 warnx(
299"%s: owner/group changed; clearing suid/sgid (mode was 0%03o)",
300 to, oldmode);
301 sbp->st_mode &= ~(S_ISUID | S_ISGID);
302 }
303 }
304 if (fchmod(to_fd, sbp->st_mode))
305 warn("%s: set mode (was: 0%03o)", to, oldmode);
306 /*
307 * XXX
308 * NFS doesn't support chflags; ignore errors unless there's reason
309 * to believe we're losing bits. (Note, this still won't be right
310 * if the server supports flags and we were trying to *remove* flags
311 * on a file that we copied, i.e., that we didn't create.)
312 */
313 errno = 0;
314 if (fchflags(to_fd, (u_long)sbp->st_flags))
315 if (errno != EOPNOTSUPP || sbp->st_flags != 0)
316 warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
317
318 tval[0].tv_sec = sbp->st_atime;
319 tval[1].tv_sec = sbp->st_mtime;
320 tval[0].tv_usec = tval[1].tv_usec = 0;
321 if (utimes(to, tval))
322 warn("%s: set times", to);
323
324 if (close(to_fd)) {
325 warn("%s", to);
326 return (1);
327 }
328
329 if (unlink(from)) {
330 warn("%s: remove", from);
331 return (1);
332 }
333 if (vflg)
334 printf("%s -> %s\n", from, to);
335 return (0);
336}
337
338int
339copy(char *from, char *to)
340{
341 int pid, status;
342
343 if ((pid = fork()) == 0) {
344 execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", "--", from, to,
345 (char *)NULL);
346 warn("%s", _PATH_CP);
347 _exit(1);
348 }
349 if (waitpid(pid, &status, 0) == -1) {
350 warn("%s: waitpid", _PATH_CP);
351 return (1);
352 }
353 if (!WIFEXITED(status)) {
354 warn("%s: did not terminate normally", _PATH_CP);
355 return (1);
356 }
357 if (WEXITSTATUS(status)) {
358 warn("%s: terminated with %d (non-zero) status",
359 _PATH_CP, WEXITSTATUS(status));
360 return (1);
361 }
362 if (!(pid = vfork())) {
363 execl(_PATH_RM, "mv", "-rf", "--", from, (char *)NULL);
364 warn("%s", _PATH_RM);
365 _exit(1);
366 }
367 if (waitpid(pid, &status, 0) == -1) {
368 warn("%s: waitpid", _PATH_RM);
369 return (1);
370 }
371 if (!WIFEXITED(status)) {
372 warn("%s: did not terminate normally", _PATH_RM);
373 return (1);
374 }
375 if (WEXITSTATUS(status)) {
376 warn("%s: terminated with %d (non-zero) status",
377 _PATH_RM, WEXITSTATUS(status));
378 return (1);
379 }
380 return (0);
381}
382
383void
384usage(void)
385{
386
387 (void)fprintf(stderr, "%s\n%s\n",
388 "usage: mv [-f | -i | -n] [-v] source target",
389 " mv [-f | -i | -n] [-v] source ... directory");
390 exit(EX_USAGE);
391}
| 46
47#include <sys/param.h>
48#include <sys/time.h>
49#include <sys/wait.h>
50#include <sys/stat.h>
51#include <sys/mount.h>
52
53#include <err.h>
54#include <errno.h>
55#include <fcntl.h>
56#include <grp.h>
57#include <limits.h>
58#include <paths.h>
59#include <pwd.h>
60#include <stdio.h>
61#include <stdlib.h>
62#include <string.h>
63#include <sysexits.h>
64#include <unistd.h>
65
66int fflg, iflg, nflg, vflg;
67
68int copy(char *, char *);
69int do_move(char *, char *);
70int fastcopy(char *, char *, struct stat *);
71void usage(void);
72
73int
74main(int argc, char *argv[])
75{
76 size_t baselen, len;
77 int rval;
78 char *p, *endp;
79 struct stat sb;
80 int ch;
81 char path[PATH_MAX];
82
83 while ((ch = getopt(argc, argv, "finv")) != -1)
84 switch (ch) {
85 case 'i':
86 iflg = 1;
87 fflg = nflg = 0;
88 break;
89 case 'f':
90 fflg = 1;
91 iflg = nflg = 0;
92 break;
93 case 'n':
94 nflg = 1;
95 fflg = iflg = 0;
96 break;
97 case 'v':
98 vflg = 1;
99 break;
100 default:
101 usage();
102 }
103 argc -= optind;
104 argv += optind;
105
106 if (argc < 2)
107 usage();
108
109 /*
110 * If the stat on the target fails or the target isn't a directory,
111 * try the move. More than 2 arguments is an error in this case.
112 */
113 if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) {
114 if (argc > 2)
115 usage();
116 exit(do_move(argv[0], argv[1]));
117 }
118
119 /* It's a directory, move each file into it. */
120 if (strlen(argv[argc - 1]) > sizeof(path) - 1)
121 errx(1, "%s: destination pathname too long", *argv);
122 (void)strcpy(path, argv[argc - 1]);
123 baselen = strlen(path);
124 endp = &path[baselen];
125 if (!baselen || *(endp - 1) != '/') {
126 *endp++ = '/';
127 ++baselen;
128 }
129 for (rval = 0; --argc; ++argv) {
130 /*
131 * Find the last component of the source pathname. It
132 * may have trailing slashes.
133 */
134 p = *argv + strlen(*argv);
135 while (p != *argv && p[-1] == '/')
136 --p;
137 while (p != *argv && p[-1] != '/')
138 --p;
139
140 if ((baselen + (len = strlen(p))) >= PATH_MAX) {
141 warnx("%s: destination pathname too long", *argv);
142 rval = 1;
143 } else {
144 memmove(endp, p, (size_t)len + 1);
145 if (do_move(*argv, path))
146 rval = 1;
147 }
148 }
149 exit(rval);
150}
151
152int
153do_move(char *from, char *to)
154{
155 struct stat sb;
156 int ask, ch, first;
157 char modep[15];
158
159 /*
160 * Check access. If interactive and file exists, ask user if it
161 * should be replaced. Otherwise if file exists but isn't writable
162 * make sure the user wants to clobber it.
163 */
164 if (!fflg && !access(to, F_OK)) {
165
166 /* prompt only if source exist */
167 if (lstat(from, &sb) == -1) {
168 warn("%s", from);
169 return (1);
170 }
171
172#define YESNO "(y/n [n]) "
173 ask = 0;
174 if (nflg) {
175 if (vflg)
176 printf("%s not overwritten\n", to);
177 return (0);
178 } else if (iflg) {
179 (void)fprintf(stderr, "overwrite %s? %s", to, YESNO);
180 ask = 1;
181 } else if (access(to, W_OK) && !stat(to, &sb)) {
182 strmode(sb.st_mode, modep);
183 (void)fprintf(stderr, "override %s%s%s/%s for %s? %s",
184 modep + 1, modep[9] == ' ' ? "" : " ",
185 user_from_uid((unsigned long)sb.st_uid, 0),
186 group_from_gid((unsigned long)sb.st_gid, 0), to, YESNO);
187 ask = 1;
188 }
189 if (ask) {
190 first = ch = getchar();
191 while (ch != '\n' && ch != EOF)
192 ch = getchar();
193 if (first != 'y' && first != 'Y') {
194 (void)fprintf(stderr, "not overwritten\n");
195 return (0);
196 }
197 }
198 }
199 if (!rename(from, to)) {
200 if (vflg)
201 printf("%s -> %s\n", from, to);
202 return (0);
203 }
204
205 if (errno == EXDEV) {
206 struct statfs sfs;
207 char path[PATH_MAX];
208
209 /*
210 * If the source is a symbolic link and is on another
211 * filesystem, it can be recreated at the destination.
212 */
213 if (lstat(from, &sb) == -1) {
214 warn("%s", from);
215 return (1);
216 }
217 if (!S_ISLNK(sb.st_mode)) {
218 /* Can't mv(1) a mount point. */
219 if (realpath(from, path) == NULL) {
220 warnx("cannot resolve %s: %s", from, path);
221 return (1);
222 }
223 if (!statfs(path, &sfs) &&
224 !strcmp(path, sfs.f_mntonname)) {
225 warnx("cannot rename a mount point");
226 return (1);
227 }
228 }
229 } else {
230 warn("rename %s to %s", from, to);
231 return (1);
232 }
233
234 /*
235 * If rename fails because we're trying to cross devices, and
236 * it's a regular file, do the copy internally; otherwise, use
237 * cp and rm.
238 */
239 if (lstat(from, &sb)) {
240 warn("%s", from);
241 return (1);
242 }
243 return (S_ISREG(sb.st_mode) ?
244 fastcopy(from, to, &sb) : copy(from, to));
245}
246
247int
248fastcopy(char *from, char *to, struct stat *sbp)
249{
250 struct timeval tval[2];
251 static u_int blen;
252 static char *bp;
253 mode_t oldmode;
254 int nread, from_fd, to_fd;
255
256 if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
257 warn("%s", from);
258 return (1);
259 }
260 if (blen < sbp->st_blksize) {
261 if (bp != NULL)
262 free(bp);
263 if ((bp = malloc((size_t)sbp->st_blksize)) == NULL) {
264 blen = 0;
265 warnx("malloc failed");
266 return (1);
267 }
268 blen = sbp->st_blksize;
269 }
270 while ((to_fd =
271 open(to, O_CREAT | O_EXCL | O_TRUNC | O_WRONLY, 0)) < 0) {
272 if (errno == EEXIST && unlink(to) == 0)
273 continue;
274 warn("%s", to);
275 (void)close(from_fd);
276 return (1);
277 }
278 while ((nread = read(from_fd, bp, (size_t)blen)) > 0)
279 if (write(to_fd, bp, (size_t)nread) != nread) {
280 warn("%s", to);
281 goto err;
282 }
283 if (nread < 0) {
284 warn("%s", from);
285err: if (unlink(to))
286 warn("%s: remove", to);
287 (void)close(from_fd);
288 (void)close(to_fd);
289 return (1);
290 }
291 (void)close(from_fd);
292
293 oldmode = sbp->st_mode & ALLPERMS;
294 if (fchown(to_fd, sbp->st_uid, sbp->st_gid)) {
295 warn("%s: set owner/group (was: %lu/%lu)", to,
296 (u_long)sbp->st_uid, (u_long)sbp->st_gid);
297 if (oldmode & (S_ISUID | S_ISGID)) {
298 warnx(
299"%s: owner/group changed; clearing suid/sgid (mode was 0%03o)",
300 to, oldmode);
301 sbp->st_mode &= ~(S_ISUID | S_ISGID);
302 }
303 }
304 if (fchmod(to_fd, sbp->st_mode))
305 warn("%s: set mode (was: 0%03o)", to, oldmode);
306 /*
307 * XXX
308 * NFS doesn't support chflags; ignore errors unless there's reason
309 * to believe we're losing bits. (Note, this still won't be right
310 * if the server supports flags and we were trying to *remove* flags
311 * on a file that we copied, i.e., that we didn't create.)
312 */
313 errno = 0;
314 if (fchflags(to_fd, (u_long)sbp->st_flags))
315 if (errno != EOPNOTSUPP || sbp->st_flags != 0)
316 warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
317
318 tval[0].tv_sec = sbp->st_atime;
319 tval[1].tv_sec = sbp->st_mtime;
320 tval[0].tv_usec = tval[1].tv_usec = 0;
321 if (utimes(to, tval))
322 warn("%s: set times", to);
323
324 if (close(to_fd)) {
325 warn("%s", to);
326 return (1);
327 }
328
329 if (unlink(from)) {
330 warn("%s: remove", from);
331 return (1);
332 }
333 if (vflg)
334 printf("%s -> %s\n", from, to);
335 return (0);
336}
337
338int
339copy(char *from, char *to)
340{
341 int pid, status;
342
343 if ((pid = fork()) == 0) {
344 execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", "--", from, to,
345 (char *)NULL);
346 warn("%s", _PATH_CP);
347 _exit(1);
348 }
349 if (waitpid(pid, &status, 0) == -1) {
350 warn("%s: waitpid", _PATH_CP);
351 return (1);
352 }
353 if (!WIFEXITED(status)) {
354 warn("%s: did not terminate normally", _PATH_CP);
355 return (1);
356 }
357 if (WEXITSTATUS(status)) {
358 warn("%s: terminated with %d (non-zero) status",
359 _PATH_CP, WEXITSTATUS(status));
360 return (1);
361 }
362 if (!(pid = vfork())) {
363 execl(_PATH_RM, "mv", "-rf", "--", from, (char *)NULL);
364 warn("%s", _PATH_RM);
365 _exit(1);
366 }
367 if (waitpid(pid, &status, 0) == -1) {
368 warn("%s: waitpid", _PATH_RM);
369 return (1);
370 }
371 if (!WIFEXITED(status)) {
372 warn("%s: did not terminate normally", _PATH_RM);
373 return (1);
374 }
375 if (WEXITSTATUS(status)) {
376 warn("%s: terminated with %d (non-zero) status",
377 _PATH_RM, WEXITSTATUS(status));
378 return (1);
379 }
380 return (0);
381}
382
383void
384usage(void)
385{
386
387 (void)fprintf(stderr, "%s\n%s\n",
388 "usage: mv [-f | -i | -n] [-v] source target",
389 " mv [-f | -i | -n] [-v] source ... directory");
390 exit(EX_USAGE);
391}
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