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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#ifndef lint
38static char const copyright[] =
39"@(#) Copyright (c) 1989, 1993, 1994\n\
40 The Regents of the University of California. All rights reserved.\n";
41#endif /* not lint */
42
43#ifndef lint
44#if 0
45static char sccsid[] = "@(#)mv.c 8.2 (Berkeley) 4/2/94";
46#endif
| 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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#ifndef lint
38static char const copyright[] =
39"@(#) Copyright (c) 1989, 1993, 1994\n\
40 The Regents of the University of California. All rights reserved.\n";
41#endif /* not lint */
42
43#ifndef lint
44#if 0
45static char sccsid[] = "@(#)mv.c 8.2 (Berkeley) 4/2/94";
46#endif
|
50
51#include <sys/param.h>
52#include <sys/time.h>
53#include <sys/wait.h>
54#include <sys/stat.h>
55#include <sys/mount.h>
56
57#include <err.h>
58#include <errno.h>
59#include <fcntl.h>
60#include <grp.h>
61#include <limits.h>
62#include <pwd.h>
63#include <stdio.h>
64#include <stdlib.h>
65#include <string.h>
66#include <sysexits.h>
67#include <unistd.h>
68
69#include "pathnames.h"
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);
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)
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 if (!rename(from, to)) {
205 if (vflg)
206 printf("%s -> %s\n", from, to);
207 return (0);
208 }
209
210 if (errno == EXDEV) {
211 struct statfs sfs;
212 char path[PATH_MAX];
213
214 /* Can't mv(1) a mount point. */
215 if (realpath(from, path) == NULL) {
216 warnx("cannot resolve %s: %s", from, path);
217 return (1);
218 }
219 if (!statfs(path, &sfs) && !strcmp(path, sfs.f_mntonname)) {
220 warnx("cannot rename a mount point");
221 return (1);
222 }
223 } else {
224 warn("rename %s to %s", from, to);
225 return (1);
226 }
227
228 /*
229 * If rename fails because we're trying to cross devices, and
230 * it's a regular file, do the copy internally; otherwise, use
231 * cp and rm.
232 */
233 if (lstat(from, &sb)) {
234 warn("%s", from);
235 return (1);
236 }
237 return (S_ISREG(sb.st_mode) ?
238 fastcopy(from, to, &sb) : copy(from, to));
239}
240
241int
242fastcopy(char *from, char *to, struct stat *sbp)
243{
244 struct timeval tval[2];
245 static u_int blen;
246 static char *bp;
247 mode_t oldmode;
248 int nread, from_fd, to_fd;
249
250 if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
251 warn("%s", from);
252 return (1);
253 }
254 if (blen < sbp->st_blksize) {
255 if (bp != NULL)
256 free(bp);
257 if ((bp = malloc((size_t)sbp->st_blksize)) == NULL) {
258 blen = 0;
259 warnx("malloc failed");
260 return (1);
261 }
262 blen = sbp->st_blksize;
263 }
264 while ((to_fd =
265 open(to, O_CREAT | O_EXCL | O_TRUNC | O_WRONLY, 0)) < 0) {
266 if (errno == EEXIST && unlink(to) == 0)
267 continue;
268 warn("%s", to);
269 (void)close(from_fd);
270 return (1);
271 }
272 while ((nread = read(from_fd, bp, (size_t)blen)) > 0)
273 if (write(to_fd, bp, (size_t)nread) != nread) {
274 warn("%s", to);
275 goto err;
276 }
277 if (nread < 0) {
278 warn("%s", from);
279err: if (unlink(to))
280 warn("%s: remove", to);
281 (void)close(from_fd);
282 (void)close(to_fd);
283 return (1);
284 }
285 (void)close(from_fd);
286
287 oldmode = sbp->st_mode & ALLPERMS;
288 if (fchown(to_fd, sbp->st_uid, sbp->st_gid)) {
289 warn("%s: set owner/group (was: %lu/%lu)", to,
290 (u_long)sbp->st_uid, (u_long)sbp->st_gid);
291 if (oldmode & (S_ISUID | S_ISGID)) {
292 warnx(
293"%s: owner/group changed; clearing suid/sgid (mode was 0%03o)",
294 to, oldmode);
295 sbp->st_mode &= ~(S_ISUID | S_ISGID);
296 }
297 }
298 if (fchmod(to_fd, sbp->st_mode))
299 warn("%s: set mode (was: 0%03o)", to, oldmode);
300 /*
301 * XXX
302 * NFS doesn't support chflags; ignore errors unless there's reason
303 * to believe we're losing bits. (Note, this still won't be right
304 * if the server supports flags and we were trying to *remove* flags
305 * on a file that we copied, i.e., that we didn't create.)
306 */
307 errno = 0;
308 if (fchflags(to_fd, (u_long)sbp->st_flags))
309 if (errno != EOPNOTSUPP || sbp->st_flags != 0)
310 warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
311
312 tval[0].tv_sec = sbp->st_atime;
313 tval[1].tv_sec = sbp->st_mtime;
314 tval[0].tv_usec = tval[1].tv_usec = 0;
315 if (utimes(to, tval))
316 warn("%s: set times", to);
317
318 if (close(to_fd)) {
319 warn("%s", to);
320 return (1);
321 }
322
323 if (unlink(from)) {
324 warn("%s: remove", from);
325 return (1);
326 }
327 if (vflg)
328 printf("%s -> %s\n", from, to);
329 return (0);
330}
331
332int
333copy(char *from, char *to)
334{
335 int pid, status;
336
337 if ((pid = fork()) == 0) {
338 execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", from, to,
339 (char *)NULL);
340 warn("%s", _PATH_CP);
341 _exit(1);
342 }
343 if (waitpid(pid, &status, 0) == -1) {
344 warn("%s: waitpid", _PATH_CP);
345 return (1);
346 }
347 if (!WIFEXITED(status)) {
348 warn("%s: did not terminate normally", _PATH_CP);
349 return (1);
350 }
351 if (WEXITSTATUS(status)) {
352 warn("%s: terminated with %d (non-zero) status",
353 _PATH_CP, WEXITSTATUS(status));
354 return (1);
355 }
356 if (!(pid = vfork())) {
357 execl(_PATH_RM, "mv", "-rf", from, (char *)NULL);
358 warn("%s", _PATH_RM);
359 _exit(1);
360 }
361 if (waitpid(pid, &status, 0) == -1) {
362 warn("%s: waitpid", _PATH_RM);
363 return (1);
364 }
365 if (!WIFEXITED(status)) {
366 warn("%s: did not terminate normally", _PATH_RM);
367 return (1);
368 }
369 if (WEXITSTATUS(status)) {
370 warn("%s: terminated with %d (non-zero) status",
371 _PATH_RM, WEXITSTATUS(status));
372 return (1);
373 }
374 return (0);
375}
376
377void
378usage(void)
379{
380
381 (void)fprintf(stderr, "%s\n%s\n",
382 "usage: mv [-f | -i] [-v] source target",
383 " mv [-f | -i] [-v] source ... directory");
384 exit(EX_USAGE);
385}
| 50
51#include <sys/param.h>
52#include <sys/time.h>
53#include <sys/wait.h>
54#include <sys/stat.h>
55#include <sys/mount.h>
56
57#include <err.h>
58#include <errno.h>
59#include <fcntl.h>
60#include <grp.h>
61#include <limits.h>
62#include <pwd.h>
63#include <stdio.h>
64#include <stdlib.h>
65#include <string.h>
66#include <sysexits.h>
67#include <unistd.h>
68
69#include "pathnames.h"
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);
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)
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 if (!rename(from, to)) {
205 if (vflg)
206 printf("%s -> %s\n", from, to);
207 return (0);
208 }
209
210 if (errno == EXDEV) {
211 struct statfs sfs;
212 char path[PATH_MAX];
213
214 /* Can't mv(1) a mount point. */
215 if (realpath(from, path) == NULL) {
216 warnx("cannot resolve %s: %s", from, path);
217 return (1);
218 }
219 if (!statfs(path, &sfs) && !strcmp(path, sfs.f_mntonname)) {
220 warnx("cannot rename a mount point");
221 return (1);
222 }
223 } else {
224 warn("rename %s to %s", from, to);
225 return (1);
226 }
227
228 /*
229 * If rename fails because we're trying to cross devices, and
230 * it's a regular file, do the copy internally; otherwise, use
231 * cp and rm.
232 */
233 if (lstat(from, &sb)) {
234 warn("%s", from);
235 return (1);
236 }
237 return (S_ISREG(sb.st_mode) ?
238 fastcopy(from, to, &sb) : copy(from, to));
239}
240
241int
242fastcopy(char *from, char *to, struct stat *sbp)
243{
244 struct timeval tval[2];
245 static u_int blen;
246 static char *bp;
247 mode_t oldmode;
248 int nread, from_fd, to_fd;
249
250 if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
251 warn("%s", from);
252 return (1);
253 }
254 if (blen < sbp->st_blksize) {
255 if (bp != NULL)
256 free(bp);
257 if ((bp = malloc((size_t)sbp->st_blksize)) == NULL) {
258 blen = 0;
259 warnx("malloc failed");
260 return (1);
261 }
262 blen = sbp->st_blksize;
263 }
264 while ((to_fd =
265 open(to, O_CREAT | O_EXCL | O_TRUNC | O_WRONLY, 0)) < 0) {
266 if (errno == EEXIST && unlink(to) == 0)
267 continue;
268 warn("%s", to);
269 (void)close(from_fd);
270 return (1);
271 }
272 while ((nread = read(from_fd, bp, (size_t)blen)) > 0)
273 if (write(to_fd, bp, (size_t)nread) != nread) {
274 warn("%s", to);
275 goto err;
276 }
277 if (nread < 0) {
278 warn("%s", from);
279err: if (unlink(to))
280 warn("%s: remove", to);
281 (void)close(from_fd);
282 (void)close(to_fd);
283 return (1);
284 }
285 (void)close(from_fd);
286
287 oldmode = sbp->st_mode & ALLPERMS;
288 if (fchown(to_fd, sbp->st_uid, sbp->st_gid)) {
289 warn("%s: set owner/group (was: %lu/%lu)", to,
290 (u_long)sbp->st_uid, (u_long)sbp->st_gid);
291 if (oldmode & (S_ISUID | S_ISGID)) {
292 warnx(
293"%s: owner/group changed; clearing suid/sgid (mode was 0%03o)",
294 to, oldmode);
295 sbp->st_mode &= ~(S_ISUID | S_ISGID);
296 }
297 }
298 if (fchmod(to_fd, sbp->st_mode))
299 warn("%s: set mode (was: 0%03o)", to, oldmode);
300 /*
301 * XXX
302 * NFS doesn't support chflags; ignore errors unless there's reason
303 * to believe we're losing bits. (Note, this still won't be right
304 * if the server supports flags and we were trying to *remove* flags
305 * on a file that we copied, i.e., that we didn't create.)
306 */
307 errno = 0;
308 if (fchflags(to_fd, (u_long)sbp->st_flags))
309 if (errno != EOPNOTSUPP || sbp->st_flags != 0)
310 warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
311
312 tval[0].tv_sec = sbp->st_atime;
313 tval[1].tv_sec = sbp->st_mtime;
314 tval[0].tv_usec = tval[1].tv_usec = 0;
315 if (utimes(to, tval))
316 warn("%s: set times", to);
317
318 if (close(to_fd)) {
319 warn("%s", to);
320 return (1);
321 }
322
323 if (unlink(from)) {
324 warn("%s: remove", from);
325 return (1);
326 }
327 if (vflg)
328 printf("%s -> %s\n", from, to);
329 return (0);
330}
331
332int
333copy(char *from, char *to)
334{
335 int pid, status;
336
337 if ((pid = fork()) == 0) {
338 execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", from, to,
339 (char *)NULL);
340 warn("%s", _PATH_CP);
341 _exit(1);
342 }
343 if (waitpid(pid, &status, 0) == -1) {
344 warn("%s: waitpid", _PATH_CP);
345 return (1);
346 }
347 if (!WIFEXITED(status)) {
348 warn("%s: did not terminate normally", _PATH_CP);
349 return (1);
350 }
351 if (WEXITSTATUS(status)) {
352 warn("%s: terminated with %d (non-zero) status",
353 _PATH_CP, WEXITSTATUS(status));
354 return (1);
355 }
356 if (!(pid = vfork())) {
357 execl(_PATH_RM, "mv", "-rf", from, (char *)NULL);
358 warn("%s", _PATH_RM);
359 _exit(1);
360 }
361 if (waitpid(pid, &status, 0) == -1) {
362 warn("%s: waitpid", _PATH_RM);
363 return (1);
364 }
365 if (!WIFEXITED(status)) {
366 warn("%s: did not terminate normally", _PATH_RM);
367 return (1);
368 }
369 if (WEXITSTATUS(status)) {
370 warn("%s: terminated with %d (non-zero) status",
371 _PATH_RM, WEXITSTATUS(status));
372 return (1);
373 }
374 return (0);
375}
376
377void
378usage(void)
379{
380
381 (void)fprintf(stderr, "%s\n%s\n",
382 "usage: mv [-f | -i] [-v] source target",
383 " mv [-f | -i] [-v] source ... directory");
384 exit(EX_USAGE);
385}
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