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- /*
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ken Smith of The State University of New York at Buffalo.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifdef DF_POSIX /* DF_MSS */
- #include <misc.h>
- #include <bsdlib.h>
- #endif
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1989 The Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)mv.c 5.11 (Berkeley) 4/3/91";
- #endif /* not lint */
- #ifdef DF_POSIX
- #include <sys/cdefs.h>
- #else /* DF_DSC: not needed by POSIX */
- #include <sys/param.h>
- #endif
- #ifdef _POSIX_SOURCE
- #include <time.h>
- #else
- #include <sys/time.h>
- #endif
- #include <sys/wait.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <errno.h>
- #include <unistd.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "pathnames.h"
-
- #if WIN_NT
- int do_move __P((char *, char *));
- int fastcopy __P((char *, char *, struct stat *));
- int copy __P((char *, char *));
- void error __P((char *));
- void usage __P((void));
- extern int globulate __P((int, int, char **));
- extern void deglobulate __P((void));
- extern int globulated_argc;
- extern char **globulated_argv;
- pid_t ppid;
- int globulation;
- #endif
-
- int fflg, iflg;
-
- int
- #if __STDC__
- main (int argc, char **argv)
- #else
- main(argc, argv)
- int argc;
- char **argv;
- #endif
- {
- extern char *optarg;
- extern int optind;
- register int baselen, exitval, len;
- register char *p, *endp;
- struct stat sb;
- int ch;
- #ifdef _POSIX_SOURCE
- char path[PATH_MAX +1];
- #else
- char path[MAXPATHLEN + 1];
- #endif
-
- #if WIN_NT
- ppid = getppid();
- if (ppid == (pid_t) 1) /* if parent is CMD.EXE */
- {
- globulation = globulate(1, argc, argv);
- if (globulation == 0)
- {
- argc = globulated_argc;
- argv = globulated_argv;
- }
- }
- #endif
- while (((ch = getopt(argc, argv, "-if")) != EOF))
- switch((char)ch) {
- case 'i':
- iflg = 1;
- break;
- case 'f':
- fflg = 1;
- break;
- case '-': /* undocumented; for compatibility */
- goto endarg;
- case '?':
- default:
- usage();
- }
- endarg: argc -= optind;
- argv += optind;
-
- if (argc < 2)
- usage();
-
- /*
- * If the stat on the target fails or the target isn't a directory,
- * try the move. More than 2 arguments is an error in this case.
- */
- if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) {
- if (argc > 2)
- usage();
- #if WIN_NT
- exitval = do_move(argv[0], argv[1]);
- if (ppid == (pid_t) 1 && globulation == 0)
- deglobulate();
- exit(exitval);
- #else
- exit(do_move(argv[0], argv[1]));
- #endif
- }
-
- /* It's a directory, move each file into it. */
- (void)strcpy(path, argv[argc - 1]);
- baselen = strlen(path);
- endp = &path[baselen];
- *endp++ = '/';
- ++baselen;
- for (exitval = EXIT_SUCCESS; --argc; ++argv) {
- if ((p = rindex(*argv, '/')) == NULL)
- p = *argv;
- else
- ++p;
- #ifdef _POSIX_SOURCE
- if ((baselen + (len = strlen(p))) >= PATH_MAX)
- #else
- if ((baselen + (len = strlen(p))) >= MAXPATHLEN)
- #endif
- (void)fprintf(stderr,
- "mv: %s: destination pathname too long\n", *argv);
- else {
- bcopy(p, endp, len + 1);
- exitval |= do_move(*argv, path);
- }
- }
- #if WIN_NT
- if (ppid == (pid_t) 1 && globulation == 0)
- deglobulate();
- #endif
- return exitval;
- }
-
- int
- #if __STDC__
- do_move (char *from, char *to)
- #else
- do_move(from, to)
- char *from, *to;
- #endif
- {
- struct stat sb;
- int ask, ch;
-
- /*
- * Check access. If interactive and file exists, ask user if it
- * should be replaced. Otherwise if file exists but isn't writable
- * make sure the user wants to clobber it.
- */
- if (!fflg && !access(to, F_OK)) {
- ask = 0;
- if (iflg) {
- (void)fprintf(stderr, "overwrite %s? ", to);
- ask = 1;
- }
- else if (access(to, W_OK) && !stat(to, &sb)) {
- (void)fprintf(stderr, "override mode %o on %s? ",
- sb.st_mode & 07777, to);
- ask = 1;
- }
- if (ask) {
- if ((ch = getchar()) != EOF && ch != '\n')
- while (getchar() != '\n');
- if (ch != 'y')
- return(EXIT_SUCCESS);
- }
- }
- if (!rename(from, to))
- return(EXIT_SUCCESS);
-
- if (errno != EXDEV) {
- (void)fprintf(stderr,
- "mv: rename %s to %s: %s\n", from, to, strerror(errno));
- return(EXIT_FAILURE);
- }
-
- /*
- * If rename fails, and it's a regular file, do the copy internally;
- * otherwise, use cp and rm.
- */
- if (stat(from, &sb)) {
- (void)fprintf(stderr, "mv: %s: %s\n", from, strerror(errno));
- return(EXIT_FAILURE);
- }
- return(S_ISREG(sb.st_mode) ?
- fastcopy(from, to, &sb) : copy(from, to));
- }
-
- int
- #if __STDC__
- fastcopy (char *from, char *to, struct stat *sbp)
- #else
- fastcopy(from, to, sbp)
- char *from, *to;
- struct stat *sbp;
- #endif
- {
- struct timeval tval[2];
- static u_int blen;
- static char *bp;
- register int nread, from_fd, to_fd;
-
- if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
- error(from);
- return(EXIT_FAILURE);
- }
- if ((to_fd = open(to, O_CREAT|O_TRUNC|O_WRONLY, sbp->st_mode)) < 0) {
- error(to);
- (void)close(from_fd);
- return(EXIT_FAILURE);
- }
- /* DF_MSS: st_blksize is not part of the STAT struct; defining preferred blksize to 1024 */
- #ifdef DF_POSIX /* DF_MSS */
- if (!blen && !(bp = malloc(blen = /*sbp->st_blksize*/ 1024))) {
- #else
- if (!blen && !(bp = malloc(blen = sbp->st_blksize))) {
- #endif
- error(NULL);
- return(EXIT_FAILURE);
- }
- while ((nread = read(from_fd, bp, blen)) > 0)
- if (write(to_fd, bp, nread) != nread) {
- error(to);
- goto err;
- }
- if (nread < 0) {
- error(from);
- err: (void)unlink(to);
- (void)close(from_fd);
- (void)close(to_fd);
- return(EXIT_FAILURE);
- }
- #ifdef _POSIX_SOURCE /* DF_MSS */
- (void)chown(to, sbp->st_uid, sbp->st_gid);
- (void)chmod(to, sbp->st_mode);
- #else
- (void)fchown(to_fd, sbp->st_uid, sbp->st_gid);
- (void)fchmod(to_fd, sbp->st_mode);
- #endif
-
- (void)close(from_fd);
- (void)close(to_fd);
-
- tval[0].tv_sec = sbp->st_atime;
- tval[1].tv_sec = sbp->st_mtime;
- tval[0].tv_usec = tval[1].tv_usec = 0;
- (void)utimes(to, tval);
- (void)unlink(from);
- return(EXIT_SUCCESS);
- }
-
- int
- #if __STDC__
- copy (char *from, char *to)
- #else
- copy(from, to)
- char *from, *to;
- #endif
- {
- #if _POSIX_SOURCE
- pid_t pid;
- int status;
- #else
- int pid, status;
- #endif
-
- #ifdef _POSIX_SOURCE /* DF_MSS */
- if (!(pid = fork())) {
- #else
- if (!(pid = vfork())) {
- #endif
- execl(_PATH_CP, "mv", "-pr", from, to, NULL);
- error(_PATH_CP);
- #if WIN_NT
- if (ppid == (pid_t) 1 && globulation == 0)
- deglobulate();
- #endif
- _exit(EXIT_FAILURE);
- }
- (void)waitpid(pid, &status, 0);
- if (!WIFEXITED(status) || WEXITSTATUS(status))
- return(EXIT_FAILURE);
- #ifdef _POSIX_SOURCE /* DF_MSS */
- if (!(pid = fork())) {
- #else
- if (!(pid = vfork())) {
- #endif
- execl(_PATH_RM, "mv", "-rf", from, NULL);
- error(_PATH_RM);
- #if WIN_NT
- if (ppid == (pid_t) 1 && globulation == 0)
- deglobulate();
- #endif
- _exit(EXIT_FAILURE);
- }
- (void)waitpid(pid, &status, 0);
- return(!WIFEXITED(status) || WEXITSTATUS(status));
- }
-
- void
- #if __STDC__
- error (char *s)
- #else
- error(s)
- char *s;
- #endif
- {
- if (s)
- (void)fprintf(stderr, "mv: %s: %s\n", s, strerror(errno));
- else
- (void)fprintf(stderr, "mv: %s\n", strerror(errno));
- }
-
- void
- #if __STDC__
- usage (void)
- #else
- usage()
- #endif
- {
- (void)fprintf(stderr,
- "usage: mv [-if] src target;\n or: mv [-if] src1 ... srcN directory\n");
- #if WIN_NT
- if (ppid == (pid_t) 1 && globulation == 0)
- deglobulate();
- #endif
- exit(EXIT_FAILURE);
- }
-