1 /* cp.c -- file copying (main routines)
2 Copyright (C) 89, 90, 91, 1995-2006 Free Software Foundation.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 Written by Torbjorn Granlund, David MacKenzie, and Jim Meyering. */
22 #include <sys/types.h>
27 #include "backupfile.h"
31 #include "filenamecat.h"
35 #include "stat-time.h"
39 #define ASSIGN_BASENAME_STRDUPA(Dest, File_name) \
43 ASSIGN_STRDUPA (tmp_abns_, (File_name)); \
44 Dest = last_component (tmp_abns_); \
45 strip_trailing_slashes (Dest); \
49 /* The official name of this program (e.g., no `g' prefix). */
50 #define PROGRAM_NAME "cp"
52 #define AUTHORS "Torbjorn Granlund", "David MacKenzie", "Jim Meyering"
54 /* Used by do_copy, make_dir_parents_private, and re_protect
55 to keep a list of leading directories whose protections
56 need to be fixed after copying. */
62 struct dir_attr *next;
65 /* For long options that have no equivalent short option, use a
66 non-character as a pseudo short option, starting with CHAR_MAX + 1. */
69 COPY_CONTENTS_OPTION = CHAR_MAX + 1,
70 NO_PRESERVE_ATTRIBUTES_OPTION,
72 PRESERVE_ATTRIBUTES_OPTION,
75 STRIP_TRAILING_SLASHES_OPTION,
76 UNLINK_DEST_BEFORE_OPENING
79 /* Initial number of entries in each hash table entry's table of inodes. */
80 #define INITIAL_HASH_MODULE 100
82 /* Initial number of entries in the inode hash table. */
83 #define INITIAL_ENTRY_TAB_SIZE 70
85 /* The invocation name of this program. */
88 /* If true, the command "cp x/e_file e_dir" uses "e_dir/x/e_file"
89 as its destination instead of the usual "e_dir/e_file." */
90 static bool parents_option = false;
92 /* Remove any trailing slashes from each SOURCE argument. */
93 static bool remove_trailing_slashes;
95 static char const *const sparse_type_string[] =
97 "never", "auto", "always", NULL
99 static enum Sparse_type const sparse_type[] =
101 SPARSE_NEVER, SPARSE_AUTO, SPARSE_ALWAYS
103 ARGMATCH_VERIFY (sparse_type_string, sparse_type);
105 /* Valid arguments to the `--reply' option. */
106 static char const* const reply_args[] =
108 "yes", "no", "query", NULL
110 /* The values that correspond to the above strings. */
111 static int const reply_vals[] =
113 I_ALWAYS_YES, I_ALWAYS_NO, I_ASK_USER
115 ARGMATCH_VERIFY (reply_args, reply_vals);
117 static struct option const long_opts[] =
119 {"archive", no_argument, NULL, 'a'},
120 {"backup", optional_argument, NULL, 'b'},
121 {"copy-contents", no_argument, NULL, COPY_CONTENTS_OPTION},
122 {"dereference", no_argument, NULL, 'L'},
123 {"force", no_argument, NULL, 'f'},
124 {"interactive", no_argument, NULL, 'i'},
125 {"link", no_argument, NULL, 'l'},
126 {"no-dereference", no_argument, NULL, 'P'},
127 {"no-preserve", required_argument, NULL, NO_PRESERVE_ATTRIBUTES_OPTION},
128 {"no-target-directory", no_argument, NULL, 'T'},
129 {"one-file-system", no_argument, NULL, 'x'},
130 {"parents", no_argument, NULL, PARENTS_OPTION},
131 {"path", no_argument, NULL, PARENTS_OPTION}, /* Deprecated. */
132 {"preserve", optional_argument, NULL, PRESERVE_ATTRIBUTES_OPTION},
133 {"recursive", no_argument, NULL, 'R'},
134 {"remove-destination", no_argument, NULL, UNLINK_DEST_BEFORE_OPENING},
135 {"reply", required_argument, NULL, REPLY_OPTION}, /* Deprecated 2005-07-03,
137 {"sparse", required_argument, NULL, SPARSE_OPTION},
138 {"strip-trailing-slashes", no_argument, NULL, STRIP_TRAILING_SLASHES_OPTION},
139 {"suffix", required_argument, NULL, 'S'},
140 {"symbolic-link", no_argument, NULL, 's'},
141 {"target-directory", required_argument, NULL, 't'},
142 {"update", no_argument, NULL, 'u'},
143 {"verbose", no_argument, NULL, 'v'},
144 {GETOPT_HELP_OPTION_DECL},
145 {GETOPT_VERSION_OPTION_DECL},
152 if (status != EXIT_SUCCESS)
153 fprintf (stderr, _("Try `%s --help' for more information.\n"),
158 Usage: %s [OPTION]... [-T] SOURCE DEST\n\
159 or: %s [OPTION]... SOURCE... DIRECTORY\n\
160 or: %s [OPTION]... -t DIRECTORY SOURCE...\n\
162 program_name, program_name, program_name);
164 Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n\
168 Mandatory arguments to long options are mandatory for short options too.\n\
171 -a, --archive same as -dpPR\n\
172 --backup[=CONTROL] make a backup of each existing destination file\n\
173 -b like --backup but does not accept an argument\n\
174 --copy-contents copy contents of special files when recursive\n\
175 -d same as --no-dereference --preserve=link\n\
178 -f, --force if an existing destination file cannot be\n\
179 opened, remove it and try again\n\
180 -i, --interactive prompt before overwrite\n\
181 -H follow command-line symbolic links\n\
184 -l, --link link files instead of copying\n\
185 -L, --dereference always follow symbolic links\n\
188 -P, --no-dereference never follow symbolic links\n\
191 -p same as --preserve=mode,ownership,timestamps\n\
192 --preserve[=ATTR_LIST] preserve the specified attributes (default:\n\
193 mode,ownership,timestamps), if possible\n\
194 additional attributes: links, all\n\
197 --no-preserve=ATTR_LIST don't preserve the specified attributes\n\
198 --parents use full source file name under DIRECTORY\n\
201 -R, -r, --recursive copy directories recursively\n\
202 --remove-destination remove each existing destination file before\n\
203 attempting to open it (contrast with --force)\n\
206 --sparse=WHEN control creation of sparse files\n\
207 --strip-trailing-slashes remove any trailing slashes from each SOURCE\n\
211 -s, --symbolic-link make symbolic links instead of copying\n\
212 -S, --suffix=SUFFIX override the usual backup suffix\n\
213 -t, --target-directory=DIRECTORY copy all SOURCE arguments into DIRECTORY\n\
214 -T, --no-target-directory treat DEST as a normal file\n\
217 -u, --update copy only when the SOURCE file is newer\n\
218 than the destination file or when the\n\
219 destination file is missing\n\
220 -v, --verbose explain what is being done\n\
221 -x, --one-file-system stay on this file system\n\
223 fputs (HELP_OPTION_DESCRIPTION, stdout);
224 fputs (VERSION_OPTION_DESCRIPTION, stdout);
227 By default, sparse SOURCE files are detected by a crude heuristic and the\n\
228 corresponding DEST file is made sparse as well. That is the behavior\n\
229 selected by --sparse=auto. Specify --sparse=always to create a sparse DEST\n\
230 file whenever the SOURCE file contains a long enough sequence of zero bytes.\n\
231 Use --sparse=never to inhibit creation of sparse files.\n\
235 The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
236 The version control method may be selected via the --backup option or through\n\
237 the VERSION_CONTROL environment variable. Here are the values:\n\
241 none, off never make backups (even if --backup is given)\n\
242 numbered, t make numbered backups\n\
243 existing, nil numbered if numbered backups exist, simple otherwise\n\
244 simple, never always make simple backups\n\
248 As a special case, cp makes a backup of SOURCE when the force and backup\n\
249 options are given and SOURCE and DEST are the same name for an existing,\n\
252 printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
257 /* Ensure that the parent directories of CONST_DST_NAME have the
258 correct protections, for the --parents option. This is done
259 after all copying has been completed, to allow permissions
260 that don't include user write/execute.
262 SRC_OFFSET is the index in CONST_DST_NAME of the beginning of the
263 source directory name.
265 ATTR_LIST is a null-terminated linked list of structures that
266 indicates the end of the filename of each intermediate directory
267 in CONST_DST_NAME that may need to have its attributes changed.
268 The command `cp --parents --preserve a/b/c d/e_dir' changes the
269 attributes of the directories d/e_dir/a and d/e_dir/a/b to match
270 the corresponding source directories regardless of whether they
271 existed before the `cp' command was given.
273 Return true if the parent of CONST_DST_NAME and any intermediate
274 directories specified by ATTR_LIST have the proper permissions
278 re_protect (char const *const_dst_name, size_t src_offset,
279 struct dir_attr *attr_list, const struct cp_options *x)
282 char *dst_name; /* A copy of CONST_DST_NAME we can change. */
283 char *src_name; /* The source name in `dst_name'. */
285 ASSIGN_STRDUPA (dst_name, const_dst_name);
286 src_name = dst_name + src_offset;
288 for (p = attr_list; p; p = p->next)
292 dst_name[p->slash_offset] = '\0';
294 if (XSTAT (x, src_name, &src_sb))
296 error (0, errno, _("failed to get attributes of %s"),
301 /* Adjust the times (and if possible, ownership) for the copy.
302 chown turns off set[ug]id bits for non-root,
303 so do the chmod last. */
305 if (x->preserve_timestamps)
307 struct timespec timespec[2];
309 timespec[0] = get_stat_atime (&src_sb);
310 timespec[1] = get_stat_mtime (&src_sb);
312 if (utimens (dst_name, timespec))
314 error (0, errno, _("failed to preserve times for %s"),
320 if (x->preserve_ownership)
322 if (chown (dst_name, src_sb.st_uid, src_sb.st_gid) != 0
323 && ! chown_failure_ok (x))
325 error (0, errno, _("failed to preserve ownership for %s"),
331 if (x->preserve_mode)
333 if (copy_acl (src_name, -1, dst_name, -1, src_sb.st_mode))
336 else if (p->restore_mode)
338 if (lchmod (dst_name, p->mode) != 0)
340 error (0, errno, _("failed to preserve permissions for %s"),
346 dst_name[p->slash_offset] = '/';
351 /* Ensure that the parent directory of CONST_DIR exists, for
352 the --parents option.
354 SRC_OFFSET is the index in CONST_DIR (which is a destination
355 directory) of the beginning of the source directory name.
356 Create any leading directories that don't already exist.
357 If VERBOSE_FMT_STRING is nonzero, use it as a printf format
358 string for printing a message after successfully making a directory.
359 The format should take two string arguments: the names of the
360 source and destination directories.
361 Creates a linked list of attributes of intermediate directories,
362 *ATTR_LIST, for re_protect to use after calling copy.
363 Sets *NEW_DST if this function creates parent of CONST_DIR.
365 Return true if parent of CONST_DIR exists as a directory with the proper
366 permissions when done. */
368 /* FIXME: Synch this function with the one in ../lib/mkdir-p.c. */
371 make_dir_parents_private (char const *const_dir, size_t src_offset,
372 char const *verbose_fmt_string,
373 struct dir_attr **attr_list, bool *new_dst,
374 const struct cp_options *x)
377 char *dir; /* A copy of CONST_DIR we can change. */
378 char *src; /* Source name in DIR. */
379 char *dst_dir; /* Leading directory of DIR. */
380 size_t dirlen; /* Length of DIR. */
382 ASSIGN_STRDUPA (dir, const_dir);
384 src = dir + src_offset;
386 dirlen = dir_len (dir);
387 dst_dir = alloca (dirlen + 1);
388 memcpy (dst_dir, dir, dirlen);
389 dst_dir[dirlen] = '\0';
393 if (XSTAT (x, dst_dir, &stats))
395 /* A parent of CONST_DIR does not exist.
396 Make all missing intermediate directories. */
400 while (*slash == '/')
402 while ((slash = strchr (slash, '/')))
404 /* Add this directory to the list of directories whose modes need
406 struct dir_attr *new = xmalloc (sizeof *new);
407 new->slash_offset = slash - dir;
408 new->restore_mode = false;
409 new->next = *attr_list;
413 if (XSTAT (x, dir, &stats))
417 /* This component does not exist. We must set
418 *new_dst and new->mode inside this loop because,
419 for example, in the command `cp --parents ../a/../b/c e_dir',
420 make_dir_parents_private creates only e_dir/../a if
421 ./b already exists. */
423 if (XSTAT (x, src, &stats))
425 error (0, errno, _("failed to get attributes of %s"),
429 src_mode = stats.st_mode;
431 /* POSIX says mkdir's behavior is implementation-defined when
432 (src_mode & ~S_IRWXUGO) != 0. However, common practice is
433 to ask mkdir to copy all the CHMOD_MODE_BITS, letting mkdir
434 decide what to do with S_ISUID | S_ISGID | S_ISVTX. */
435 if (mkdir (dir, src_mode & CHMOD_MODE_BITS) != 0)
437 error (0, errno, _("cannot make directory %s"),
443 if (verbose_fmt_string != NULL)
444 printf (verbose_fmt_string, src, dir);
447 /* We need search and write permissions to the new directory
448 for writing the directory's contents. Check if these
449 permissions are there. */
451 if (lstat (dir, &stats))
453 error (0, errno, _("failed to get attributes of %s"),
459 if (x->preserve_mode)
461 new->mode = src_mode;
462 new->restore_mode = (src_mode != stats.st_mode);
465 if ((stats.st_mode & S_IRWXU) != S_IRWXU)
467 /* Make the new directory searchable and writable. The
468 original permissions will be restored later. */
470 new->mode = stats.st_mode;
471 new->restore_mode = true;
473 if (lchmod (dir, stats.st_mode | S_IRWXU) != 0)
475 error (0, errno, _("setting permissions for %s"),
482 else if (!S_ISDIR (stats.st_mode))
484 error (0, 0, _("%s exists but is not a directory"),
492 /* Avoid unnecessary calls to `stat' when given
493 file names containing multiple adjacent slashes. */
494 while (*slash == '/')
499 /* We get here if the parent of DIR already exists. */
501 else if (!S_ISDIR (stats.st_mode))
503 error (0, 0, _("%s exists but is not a directory"), quote (dst_dir));
513 /* FILE is the last operand of this command.
514 Return true if FILE is a directory.
515 But report an error and exit if there is a problem accessing FILE,
516 or if FILE does not exist but would have to refer to an existing
517 directory if it referred to anything at all.
519 If the file exists, store the file's status into *ST.
520 Otherwise, set *NEW_DST. */
523 target_directory_operand (char const *file, struct stat *st, bool *new_dst)
525 int err = (stat (file, st) == 0 ? 0 : errno);
526 bool is_a_dir = !err && S_ISDIR (st->st_mode);
530 error (EXIT_FAILURE, err, _("accessing %s"), quote (file));
536 /* Scan the arguments, and copy each by calling copy.
537 Return true if successful. */
540 do_copy (int n_files, char **file, const char *target_directory,
541 bool no_target_directory, struct cp_options *x)
544 bool new_dst = false;
547 if (n_files <= !target_directory)
550 error (0, 0, _("missing file operand"));
552 error (0, 0, _("missing destination file operand after %s"),
554 usage (EXIT_FAILURE);
557 if (no_target_directory)
559 if (target_directory)
560 error (EXIT_FAILURE, 0,
561 _("Cannot combine --target-directory (-t) "
562 "and --no-target-directory (-T)"));
565 error (0, 0, _("extra operand %s"), quote (file[2]));
566 usage (EXIT_FAILURE);
569 else if (!target_directory)
572 && target_directory_operand (file[n_files - 1], &sb, &new_dst))
573 target_directory = file[--n_files];
574 else if (2 < n_files)
575 error (EXIT_FAILURE, 0, _("target %s is not a directory"),
576 quote (file[n_files - 1]));
579 if (target_directory)
581 /* cp file1...filen edir
582 Copy the files `file1' through `filen'
583 to the existing directory `edir'. */
586 /* Initialize these hash tables only if we'll need them.
587 The problems they're used to detect can arise only if
588 there are two or more files to copy. */
595 for (i = 0; i < n_files; i++)
598 bool parent_exists = true; /* True if dir_name (dst_name) exists. */
599 struct dir_attr *attr_list;
600 char *arg_in_concat = NULL;
603 /* Trailing slashes are meaningful (i.e., maybe worth preserving)
604 only in the source file names. */
605 if (remove_trailing_slashes)
606 strip_trailing_slashes (arg);
610 char *arg_no_trailing_slash;
612 /* Use `arg' without trailing slashes in constructing destination
613 file names. Otherwise, we can end up trying to create a
614 directory via `mkdir ("dst/foo/"...', which is not portable.
615 It fails, due to the trailing slash, on at least
616 NetBSD 1.[34] systems. */
617 ASSIGN_STRDUPA (arg_no_trailing_slash, arg);
618 strip_trailing_slashes (arg_no_trailing_slash);
620 /* Append all of `arg' (minus any trailing slash) to `dest'. */
621 dst_name = file_name_concat (target_directory,
622 arg_no_trailing_slash,
625 /* For --parents, we have to make sure that the directory
626 dir_name (dst_name) exists. We may have to create a few
627 leading directories. */
629 (make_dir_parents_private
630 (dst_name, arg_in_concat - dst_name,
631 (x->verbose ? "%s -> %s\n" : NULL),
632 &attr_list, &new_dst, x));
637 /* Append the last component of `arg' to `target_directory'. */
639 ASSIGN_BASENAME_STRDUPA (arg_base, arg);
640 /* For `cp -R source/.. dest', don't copy into `dest/..'. */
641 dst_name = (STREQ (arg_base, "..")
642 ? xstrdup (target_directory)
643 : file_name_concat (target_directory, arg_base,
649 /* make_dir_parents_private failed, so don't even
656 ok &= copy (arg, dst_name, new_dst, x, ©_into_self, NULL);
659 ok &= re_protect (dst_name, arg_in_concat - dst_name,
666 else /* !target_directory */
668 char const *new_dest;
669 char const *source = file[0];
670 char const *dest = file[1];
676 _("with --parents, the destination must be a directory"));
677 usage (EXIT_FAILURE);
680 /* When the force and backup options have been specified and
681 the source and destination are the same name for an existing
682 regular file, convert the user's command, e.g.,
683 `cp --force --backup foo foo' to `cp --force foo fooSUFFIX'
684 where SUFFIX is determined by any version control options used. */
686 if (x->unlink_dest_after_failed_open
687 && x->backup_type != no_backups
688 && STREQ (source, dest)
689 && !new_dst && S_ISREG (sb.st_mode))
691 static struct cp_options x_tmp;
693 new_dest = find_backup_file_name (dest, x->backup_type);
694 /* Set x->backup_type to `no_backups' so that the normal backup
695 mechanism is not used when performing the actual copy.
696 backup_type must be set to `no_backups' only *after* the above
697 call to find_backup_file_name -- that function uses
698 backup_type to determine the suffix it applies. */
700 x_tmp.backup_type = no_backups;
708 ok = copy (source, new_dest, 0, x, &unused, NULL);
715 cp_option_init (struct cp_options *x)
717 x->copy_as_regular = true;
718 x->dereference = DEREF_UNDEFINED;
719 x->unlink_dest_before_opening = false;
720 x->unlink_dest_after_failed_open = false;
721 x->hard_link = false;
722 x->interactive = I_UNSPECIFIED;
723 x->chown_privileges = chown_privileges ();
724 x->move_mode = false;
725 x->one_file_system = false;
727 x->preserve_ownership = false;
728 x->preserve_links = false;
729 x->preserve_mode = false;
730 x->preserve_timestamps = false;
732 x->require_preserve = false;
733 x->recursive = false;
734 x->sparse_mode = SPARSE_AUTO;
735 x->symbolic_link = false;
740 x->stdin_tty = false;
748 /* Given a string, ARG, containing a comma-separated list of arguments
749 to the --preserve option, set the appropriate fields of X to ON_OFF. */
751 decode_preserve_arg (char const *arg, struct cp_options *x, bool on_off)
761 static enum File_attribute const preserve_vals[] =
763 PRESERVE_MODE, PRESERVE_TIMESTAMPS,
764 PRESERVE_OWNERSHIP, PRESERVE_LINK, PRESERVE_ALL
766 /* Valid arguments to the `--preserve' option. */
767 static char const* const preserve_args[] =
769 "mode", "timestamps",
770 "ownership", "links", "all", NULL
772 ARGMATCH_VERIFY (preserve_args, preserve_vals);
774 char *arg_writable = xstrdup (arg);
775 char *s = arg_writable;
778 /* find next comma */
779 char *comma = strchr (s, ',');
780 enum File_attribute val;
782 /* If we found a comma, put a NUL in its place and advance. */
787 val = XARGMATCH ("--preserve", s, preserve_args, preserve_vals);
791 x->preserve_mode = on_off;
794 case PRESERVE_TIMESTAMPS:
795 x->preserve_timestamps = on_off;
798 case PRESERVE_OWNERSHIP:
799 x->preserve_ownership = on_off;
803 x->preserve_links = on_off;
807 x->preserve_mode = on_off;
808 x->preserve_timestamps = on_off;
809 x->preserve_ownership = on_off;
810 x->preserve_links = on_off;
824 main (int argc, char **argv)
828 bool make_backups = false;
829 char *backup_suffix_string;
830 char *version_control_string = NULL;
832 bool copy_contents = false;
833 char *target_directory = NULL;
834 bool no_target_directory = false;
836 initialize_main (&argc, &argv);
837 program_name = argv[0];
838 setlocale (LC_ALL, "");
839 bindtextdomain (PACKAGE, LOCALEDIR);
840 textdomain (PACKAGE);
842 atexit (close_stdout);
846 /* FIXME: consider not calling getenv for SIMPLE_BACKUP_SUFFIX unless
847 we'll actually use backup_suffix_string. */
848 backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
850 while ((c = getopt_long (argc, argv, "abdfHilLprst:uvxPRS:T",
857 x.sparse_mode = XARGMATCH ("--sparse", optarg,
858 sparse_type_string, sparse_type);
861 case 'a': /* Like -dpPR. */
862 x.dereference = DEREF_NEVER;
863 x.preserve_links = true;
864 x.preserve_ownership = true;
865 x.preserve_mode = true;
866 x.preserve_timestamps = true;
867 x.require_preserve = true;
874 version_control_string = optarg;
877 case COPY_CONTENTS_OPTION:
878 copy_contents = true;
882 x.preserve_links = true;
883 x.dereference = DEREF_NEVER;
887 x.unlink_dest_after_failed_open = true;
891 x.dereference = DEREF_COMMAND_LINE_ARGUMENTS;
895 x.interactive = I_ASK_USER;
903 x.dereference = DEREF_ALWAYS;
907 x.dereference = DEREF_NEVER;
910 case NO_PRESERVE_ATTRIBUTES_OPTION:
911 decode_preserve_arg (optarg, &x, false);
914 case PRESERVE_ATTRIBUTES_OPTION:
917 /* Fall through to the case for `p' below. */
921 decode_preserve_arg (optarg, &x, true);
922 x.require_preserve = true;
927 x.preserve_ownership = true;
928 x.preserve_mode = true;
929 x.preserve_timestamps = true;
930 x.require_preserve = true;
934 parents_option = true;
942 case REPLY_OPTION: /* Deprecated */
943 x.interactive = XARGMATCH ("--reply", optarg,
944 reply_args, reply_vals);
946 _("the --reply option is deprecated; use -i or -f instead"));
949 case UNLINK_DEST_BEFORE_OPENING:
950 x.unlink_dest_before_opening = true;
953 case STRIP_TRAILING_SLASHES_OPTION:
954 remove_trailing_slashes = true;
958 x.symbolic_link = true;
962 if (target_directory)
963 error (EXIT_FAILURE, 0,
964 _("multiple target directories specified"));
968 if (stat (optarg, &st) != 0)
969 error (EXIT_FAILURE, errno, _("accessing %s"), quote (optarg));
970 if (! S_ISDIR (st.st_mode))
971 error (EXIT_FAILURE, 0, _("target %s is not a directory"),
974 target_directory = optarg;
978 no_target_directory = true;
990 x.one_file_system = true;
995 backup_suffix_string = optarg;
998 case_GETOPT_HELP_CHAR;
1000 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
1003 usage (EXIT_FAILURE);
1007 if (x.hard_link & x.symbolic_link)
1009 error (0, 0, _("cannot make both hard and symbolic links"));
1010 usage (EXIT_FAILURE);
1013 if (backup_suffix_string)
1014 simple_backup_suffix = xstrdup (backup_suffix_string);
1016 x.backup_type = (make_backups
1017 ? xget_version (_("backup type"),
1018 version_control_string)
1021 if (x.dereference == DEREF_UNDEFINED)
1024 /* This is compatible with FreeBSD. */
1025 x.dereference = DEREF_NEVER;
1027 x.dereference = DEREF_ALWAYS;
1030 /* The key difference between -d (--no-dereference) and not is the version
1031 of `stat' to call. */
1034 x.copy_as_regular = copy_contents;
1036 /* If --force (-f) was specified and we're in link-creation mode,
1037 first remove any existing destination file. */
1038 if (x.unlink_dest_after_failed_open & (x.hard_link | x.symbolic_link))
1039 x.unlink_dest_before_opening = true;
1041 /* Allocate space for remembering copied and created files. */
1045 ok = do_copy (argc - optind, argv + optind,
1046 target_directory, no_target_directory, &x);
1050 exit (ok ? EXIT_SUCCESS : EXIT_FAILURE);