1 /* cp.c -- file copying (main routines)
2 Copyright (C) 89, 90, 91, 1995-2005 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 Written by Torbjorn Granlund, David MacKenzie, and Jim Meyering. */
22 #include <sys/types.h>
28 #include "backupfile.h"
33 #include "path-concat.h"
38 #define ASSIGN_BASENAME_STRDUPA(Dest, File_name) \
42 ASSIGN_STRDUPA (tmp_abns_, (File_name)); \
43 strip_trailing_slashes (tmp_abns_); \
44 Dest = base_name (tmp_abns_); \
48 /* The official name of this program (e.g., no `g' prefix). */
49 #define PROGRAM_NAME "cp"
51 #define AUTHORS "Torbjorn Granlund", "David MacKenzie", "Jim Meyering"
53 #ifndef _POSIX_VERSION
57 /* Used by do_copy, make_path_private, and re_protect
58 to keep a list of leading directories whose protections
59 need to be fixed after copying. */
64 struct dir_attr *next;
67 /* For long options that have no equivalent short option, use a
68 non-character as a pseudo short option, starting with CHAR_MAX + 1. */
71 COPY_CONTENTS_OPTION = CHAR_MAX + 1,
72 NO_PRESERVE_ATTRIBUTES_OPTION,
74 PRESERVE_ATTRIBUTES_OPTION,
77 STRIP_TRAILING_SLASHES_OPTION,
78 UNLINK_DEST_BEFORE_OPENING
81 /* Initial number of entries in each hash table entry's table of inodes. */
82 #define INITIAL_HASH_MODULE 100
84 /* Initial number of entries in the inode hash table. */
85 #define INITIAL_ENTRY_TAB_SIZE 70
87 /* The invocation name of this program. */
90 /* If true, the command "cp x/e_file e_dir" uses "e_dir/x/e_file"
91 as its destination instead of the usual "e_dir/e_file." */
92 static bool flag_path = false;
94 /* Remove any trailing slashes from each SOURCE argument. */
95 static bool remove_trailing_slashes;
97 static char const *const sparse_type_string[] =
99 "never", "auto", "always", 0
102 static enum Sparse_type const sparse_type[] =
104 SPARSE_NEVER, SPARSE_AUTO, SPARSE_ALWAYS
107 /* Valid arguments to the `--reply' option. */
108 static char const* const reply_args[] =
110 "yes", "no", "query", 0
113 /* The values that correspond to the above strings. */
114 static int const reply_vals[] =
116 I_ALWAYS_YES, I_ALWAYS_NO, I_ASK_USER
119 static struct option const long_opts[] =
121 {"archive", no_argument, NULL, 'a'},
122 {"backup", optional_argument, NULL, 'b'},
123 {"copy-contents", no_argument, NULL, COPY_CONTENTS_OPTION},
124 {"dereference", no_argument, NULL, 'L'},
125 {"force", no_argument, NULL, 'f'},
126 {"interactive", no_argument, NULL, 'i'},
127 {"link", no_argument, NULL, 'l'},
128 {"no-dereference", no_argument, NULL, 'P'},
129 {"no-preserve", required_argument, NULL, NO_PRESERVE_ATTRIBUTES_OPTION},
130 {"no-target-directory", no_argument, NULL, 'T'},
131 {"one-file-system", no_argument, NULL, 'x'},
132 {"parents", no_argument, NULL, PARENTS_OPTION},
133 {"path", no_argument, NULL, PARENTS_OPTION}, /* Deprecated. */
134 {"preserve", optional_argument, NULL, PRESERVE_ATTRIBUTES_OPTION},
135 {"recursive", no_argument, NULL, 'R'},
136 {"remove-destination", no_argument, NULL, UNLINK_DEST_BEFORE_OPENING},
137 {"reply", required_argument, NULL, REPLY_OPTION},
138 {"sparse", required_argument, NULL, SPARSE_OPTION},
139 {"strip-trailing-slashes", no_argument, NULL, STRIP_TRAILING_SLASHES_OPTION},
140 {"suffix", required_argument, NULL, 'S'},
141 {"symbolic-link", no_argument, NULL, 's'},
142 {"target-directory", required_argument, NULL, 't'},
143 {"update", no_argument, NULL, 'u'},
144 {"verbose", no_argument, NULL, 'v'},
145 {"version-control", required_argument, NULL, 'V'}, /* Deprecated. FIXME. */
146 {GETOPT_HELP_OPTION_DECL},
147 {GETOPT_VERSION_OPTION_DECL},
154 if (status != EXIT_SUCCESS)
155 fprintf (stderr, _("Try `%s --help' for more information.\n"),
160 Usage: %s [OPTION]... [-T] SOURCE DEST\n\
161 or: %s [OPTION]... SOURCE... DIRECTORY\n\
162 or: %s [OPTION]... -t DIRECTORY SOURCE...\n\
164 program_name, program_name, program_name);
166 Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n\
170 Mandatory arguments to long options are mandatory for short options too.\n\
173 -a, --archive same as -dpR\n\
174 --backup[=CONTROL] make a backup of each existing destination file\n\
175 -b like --backup but does not accept an argument\n\
176 --copy-contents copy contents of special files when recursive\n\
177 -d same as --no-dereference --preserve=link\n\
180 -f, --force if an existing destination file cannot be\n\
181 opened, remove it and try again\n\
182 -i, --interactive prompt before overwrite\n\
183 -H follow command-line symbolic links\n\
186 -l, --link link files instead of copying\n\
187 -L, --dereference always follow symbolic links\n\
190 -P, --no-dereference never follow symbolic links\n\
193 -p same as --preserve=mode,ownership,timestamps\n\
194 --preserve[=ATTR_LIST] preserve the specified attributes (default:\n\
195 mode,ownership,timestamps), if possible\n\
196 additional attributes: links, all\n\
199 --no-preserve=ATTR_LIST don't preserve the specified attributes\n\
200 --parents append source path to DIRECTORY\n\
203 -R, -r, --recursive copy directories recursively\n\
204 --remove-destination remove each existing destination file before\n\
205 attempting to open it (contrast with --force)\n\
208 --reply={yes,no,query} specify how to handle the prompt about an\n\
209 existing destination file\n\
210 --sparse=WHEN control creation of sparse files\n\
211 --strip-trailing-slashes remove any trailing slashes from each SOURCE\n\
215 -s, --symbolic-link make symbolic links instead of copying\n\
216 -S, --suffix=SUFFIX override the usual backup suffix\n\
217 -t, --target-directory=DIRECTORY copy all SOURCE arguments into DIRECTORY\n\
218 -T, --no-target-directory treat DEST as a normal file\n\
221 -u, --update copy only when the SOURCE file is newer\n\
222 than the destination file or when the\n\
223 destination file is missing\n\
224 -v, --verbose explain what is being done\n\
225 -x, --one-file-system stay on this file system\n\
227 fputs (HELP_OPTION_DESCRIPTION, stdout);
228 fputs (VERSION_OPTION_DESCRIPTION, stdout);
231 By default, sparse SOURCE files are detected by a crude heuristic and the\n\
232 corresponding DEST file is made sparse as well. That is the behavior\n\
233 selected by --sparse=auto. Specify --sparse=always to create a sparse DEST\n\
234 file whenever the SOURCE file contains a long enough sequence of zero bytes.\n\
235 Use --sparse=never to inhibit creation of sparse files.\n\
239 The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
240 The version control method may be selected via the --backup option or through\n\
241 the VERSION_CONTROL environment variable. Here are the values:\n\
245 none, off never make backups (even if --backup is given)\n\
246 numbered, t make numbered backups\n\
247 existing, nil numbered if numbered backups exist, simple otherwise\n\
248 simple, never always make simple backups\n\
252 As a special case, cp makes a backup of SOURCE when the force and backup\n\
253 options are given and SOURCE and DEST are the same name for an existing,\n\
256 printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
261 /* Ensure that the parent directories of CONST_DST_PATH have the
262 correct protections, for the --parents option. This is done
263 after all copying has been completed, to allow permissions
264 that don't include user write/execute.
266 SRC_OFFSET is the index in CONST_DST_PATH of the beginning of the
267 source directory name.
269 ATTR_LIST is a null-terminated linked list of structures that
270 indicates the end of the filename of each intermediate directory
271 in CONST_DST_PATH that may need to have its attributes changed.
272 The command `cp --parents --preserve a/b/c d/e_dir' changes the
273 attributes of the directories d/e_dir/a and d/e_dir/a/b to match
274 the corresponding source directories regardless of whether they
275 existed before the `cp' command was given.
277 Return true if the parent of CONST_DST_PATH and any intermediate
278 directories specified by ATTR_LIST have the proper permissions
282 re_protect (const char *const_dst_path, size_t src_offset,
283 struct dir_attr *attr_list, const struct cp_options *x)
286 char *dst_path; /* A copy of CONST_DST_PATH we can change. */
287 char *src_path; /* The source name in `dst_path'. */
288 uid_t myeuid = geteuid ();
290 ASSIGN_STRDUPA (dst_path, const_dst_path);
291 src_path = dst_path + src_offset;
293 for (p = attr_list; p; p = p->next)
297 dst_path[p->slash_offset] = '\0';
299 if (XSTAT (x, src_path, &src_sb))
301 error (0, errno, _("failed to get attributes of %s"),
306 /* Adjust the times (and if possible, ownership) for the copy.
307 chown turns off set[ug]id bits for non-root,
308 so do the chmod last. */
310 if (x->preserve_timestamps)
312 struct timespec timespec[2];
314 timespec[0].tv_sec = src_sb.st_atime;
315 timespec[0].tv_nsec = TIMESPEC_NS (src_sb.st_atim);
316 timespec[1].tv_sec = src_sb.st_mtime;
317 timespec[1].tv_nsec = TIMESPEC_NS (src_sb.st_mtim);
319 if (utimens (dst_path, timespec))
321 error (0, errno, _("failed to preserve times for %s"),
327 if (x->preserve_ownership)
329 /* If non-root uses -p, it's ok if we can't preserve ownership.
330 But root probably wants to know, e.g. if NFS disallows it,
331 or if the target system doesn't support file ownership. */
332 if (chown (dst_path, src_sb.st_uid, src_sb.st_gid)
333 && ((errno != EPERM && errno != EINVAL) || myeuid == 0))
335 error (0, errno, _("failed to preserve ownership for %s"),
341 if (x->preserve_mode | p->is_new_dir)
343 if (chmod (dst_path, src_sb.st_mode & x->umask_kill))
345 error (0, errno, _("failed to preserve permissions for %s"),
351 dst_path[p->slash_offset] = '/';
356 /* Ensure that the parent directory of CONST_DIRPATH exists, for
357 the --parents option.
359 SRC_OFFSET is the index in CONST_DIRPATH (which is a destination
360 path) of the beginning of the source directory name.
361 Create any leading directories that don't already exist,
362 giving them permissions MODE.
363 If VERBOSE_FMT_STRING is nonzero, use it as a printf format
364 string for printing a message after successfully making a directory.
365 The format should take two string arguments: the names of the
366 source and destination directories.
367 Creates a linked list of attributes of intermediate directories,
368 *ATTR_LIST, for re_protect to use after calling copy.
369 Sets *NEW_DST if this function creates parent of CONST_DIRPATH.
371 Return true if parent of CONST_DIRPATH exists as a directory with the proper
372 permissions when done. */
374 /* FIXME: find a way to synch this function with the one in lib/makepath.c. */
377 make_path_private (const char *const_dirpath, size_t src_offset, mode_t mode,
378 const char *verbose_fmt_string, struct dir_attr **attr_list,
379 bool *new_dst, int (*xstat)())
382 char *dirpath; /* A copy of CONST_DIRPATH we can change. */
383 char *src; /* Source name in `dirpath'. */
384 char *dst_dirname; /* Leading path of `dirpath'. */
385 size_t dirlen; /* Length of leading path of `dirpath'. */
387 ASSIGN_STRDUPA (dirpath, const_dirpath);
389 src = dirpath + src_offset;
391 dirlen = dir_len (dirpath);
392 dst_dirname = alloca (dirlen + 1);
393 memcpy (dst_dirname, dirpath, dirlen);
394 dst_dirname[dirlen] = '\0';
398 if ((*xstat) (dst_dirname, &stats))
400 /* Parent of CONST_DIRNAME does not exist.
401 Make all missing intermediate directories. */
405 while (*slash == '/')
407 while ((slash = strchr (slash, '/')))
409 /* Add this directory to the list of directories whose modes need
411 struct dir_attr *new = xmalloc (sizeof *new);
412 new->slash_offset = slash - dirpath;
413 new->next = *attr_list;
417 if ((*xstat) (dirpath, &stats))
419 /* This element of the path does not exist. We must set
420 *new_dst and new->is_new_dir inside this loop because,
421 for example, in the command `cp --parents ../a/../b/c e_dir',
422 make_path_private creates only e_dir/../a if ./b already
425 new->is_new_dir = true;
426 if (mkdir (dirpath, mode))
428 error (0, errno, _("cannot make directory %s"),
434 if (verbose_fmt_string != NULL)
435 printf (verbose_fmt_string, src, dirpath);
438 else if (!S_ISDIR (stats.st_mode))
440 error (0, 0, _("%s exists but is not a directory"),
446 new->is_new_dir = false;
451 /* Avoid unnecessary calls to `stat' when given
452 pathnames containing multiple adjacent slashes. */
453 while (*slash == '/')
458 /* We get here if the parent of `dirpath' already exists. */
460 else if (!S_ISDIR (stats.st_mode))
462 error (0, 0, _("%s exists but is not a directory"), quote (dst_dirname));
472 /* FILE is the last operand of this command.
473 Return true if FILE is a directory.
474 But report an error and exit if there is a problem accessing FILE,
475 or if FILE does not exist but would have to refer to an existing
476 directory if it referred to anything at all.
478 If the file exists, store the file's status into *ST.
479 Otherwise, set *NEW_DST. */
482 target_directory_operand (char const *file, struct stat *st, bool *new_dst)
484 char const *b = base_name (file);
485 size_t blen = strlen (b);
486 bool looks_like_a_dir = (blen == 0 || ISSLASH (b[blen - 1]));
487 int err = (stat (file, st) == 0 ? 0 : errno);
488 bool is_a_dir = !err && S_ISDIR (st->st_mode);
492 error (EXIT_FAILURE, err, _("accessing %s"), quote (file));
495 if (is_a_dir < looks_like_a_dir)
496 error (EXIT_FAILURE, err, _("target %s is not a directory"), quote (file));
500 /* Scan the arguments, and copy each by calling copy.
501 Return true if successful. */
504 do_copy (int n_files, char **file, const char *target_directory,
505 bool no_target_directory, struct cp_options *x)
508 bool new_dst = false;
511 if (n_files <= !target_directory)
514 error (0, 0, _("missing file operand"));
516 error (0, 0, _("missing destination file operand after %s"),
518 usage (EXIT_FAILURE);
521 if (no_target_directory)
523 if (target_directory)
524 error (EXIT_FAILURE, 0,
525 _("Cannot combine --target-directory (-t) "
526 "and --no-target-directory (-T)"));
529 error (0, 0, _("extra operand %s"), quote (file[2]));
530 usage (EXIT_FAILURE);
533 else if (!target_directory)
536 && target_directory_operand (file[n_files - 1], &sb, &new_dst))
537 target_directory = file[--n_files];
538 else if (2 < n_files)
539 error (EXIT_FAILURE, 0, _("target %s is not a directory"),
540 quote (file[n_files - 1]));
543 if (target_directory)
545 /* cp file1...filen edir
546 Copy the files `file1' through `filen'
547 to the existing directory `edir'. */
549 int (*xstat)() = (x->dereference == DEREF_COMMAND_LINE_ARGUMENTS
550 || x->dereference == DEREF_ALWAYS
554 /* Initialize these hash tables only if we'll need them.
555 The problems they're used to detect can arise only if
556 there are two or more files to copy. */
563 for (i = 0; i < n_files; i++)
566 bool parent_exists = true; /* True if dir_name (dst_path) exists. */
567 struct dir_attr *attr_list;
568 char *arg_in_concat = NULL;
571 /* Trailing slashes are meaningful (i.e., maybe worth preserving)
572 only in the source file names. */
573 if (remove_trailing_slashes)
574 strip_trailing_slashes (arg);
578 char *arg_no_trailing_slash;
580 /* Use `arg' without trailing slashes in constructing destination
581 file names. Otherwise, we can end up trying to create a
582 directory via `mkdir ("dst/foo/"...', which is not portable.
583 It fails, due to the trailing slash, on at least
584 NetBSD 1.[34] systems. */
585 ASSIGN_STRDUPA (arg_no_trailing_slash, arg);
586 strip_trailing_slashes (arg_no_trailing_slash);
588 /* Append all of `arg' (minus any trailing slash) to `dest'. */
589 dst_path = path_concat (target_directory, arg_no_trailing_slash,
592 /* For --parents, we have to make sure that the directory
593 dir_name (dst_path) exists. We may have to create a few
594 leading directories. */
595 parent_exists = make_path_private (dst_path,
596 arg_in_concat - dst_path,
599 ? "%s -> %s\n" : NULL),
600 &attr_list, &new_dst,
606 /* Append the last component of `arg' to `target_directory'. */
608 ASSIGN_BASENAME_STRDUPA (arg_base, arg);
609 /* For `cp -R source/.. dest', don't copy into `dest/..'. */
610 dst_path = (STREQ (arg_base, "..")
611 ? xstrdup (target_directory)
612 : path_concat (target_directory, arg_base, NULL));
617 /* make_path_private failed, so don't even attempt the copy. */
623 ok &= copy (arg, dst_path, new_dst, x, ©_into_self, NULL);
626 ok &= re_protect (dst_path, arg_in_concat - dst_path,
633 else /* !target_directory */
635 char const *new_dest;
636 char const *source = file[0];
637 char const *dest = file[1];
643 _("when preserving paths, the destination must be a directory"));
644 usage (EXIT_FAILURE);
647 /* When the force and backup options have been specified and
648 the source and destination are the same name for an existing
649 regular file, convert the user's command, e.g.,
650 `cp --force --backup foo foo' to `cp --force foo fooSUFFIX'
651 where SUFFIX is determined by any version control options used. */
653 if (x->unlink_dest_after_failed_open
654 && x->backup_type != no_backups
655 && STREQ (source, dest)
656 && !new_dst && S_ISREG (sb.st_mode))
658 static struct cp_options x_tmp;
660 new_dest = find_backup_file_name (dest, x->backup_type);
661 /* Set x->backup_type to `no_backups' so that the normal backup
662 mechanism is not used when performing the actual copy.
663 backup_type must be set to `no_backups' only *after* the above
664 call to find_backup_file_name -- that function uses
665 backup_type to determine the suffix it applies. */
667 x_tmp.backup_type = no_backups;
675 ok = copy (source, new_dest, 0, x, &unused, NULL);
682 cp_option_init (struct cp_options *x)
684 x->copy_as_regular = true;
685 x->dereference = DEREF_UNDEFINED;
686 x->unlink_dest_before_opening = false;
687 x->unlink_dest_after_failed_open = false;
688 x->hard_link = false;
689 x->interactive = I_UNSPECIFIED;
690 x->myeuid = geteuid ();
691 x->move_mode = false;
692 x->one_file_system = false;
694 x->preserve_ownership = false;
695 x->preserve_links = false;
696 x->preserve_mode = false;
697 x->preserve_timestamps = false;
699 x->require_preserve = false;
700 x->recursive = false;
701 x->sparse_mode = SPARSE_AUTO;
702 x->symbolic_link = false;
707 x->stdin_tty = false;
709 /* Find out the current file creation mask, to knock the right bits
710 when using chmod. The creation mask is set to be liberal, so
711 that created directories can be written, even if it would not
712 have been allowed with the mask this process was started with. */
713 x->umask_kill = ~ umask (0);
721 /* Given a string, ARG, containing a comma-separated list of arguments
722 to the --preserve option, set the appropriate fields of X to ON_OFF. */
724 decode_preserve_arg (char const *arg, struct cp_options *x, bool on_off)
734 static enum File_attribute const preserve_vals[] =
736 PRESERVE_MODE, PRESERVE_TIMESTAMPS,
737 PRESERVE_OWNERSHIP, PRESERVE_LINK, PRESERVE_ALL
740 /* Valid arguments to the `--preserve' option. */
741 static char const* const preserve_args[] =
743 "mode", "timestamps",
744 "ownership", "links", "all", 0
747 char *arg_writable = xstrdup (arg);
748 char *s = arg_writable;
751 /* find next comma */
752 char *comma = strchr (s, ',');
753 enum File_attribute val;
755 /* If we found a comma, put a NUL in its place and advance. */
760 val = XARGMATCH ("--preserve", s, preserve_args, preserve_vals);
764 x->preserve_mode = on_off;
767 case PRESERVE_TIMESTAMPS:
768 x->preserve_timestamps = on_off;
771 case PRESERVE_OWNERSHIP:
772 x->preserve_ownership = on_off;
776 x->preserve_links = on_off;
780 x->preserve_mode = on_off;
781 x->preserve_timestamps = on_off;
782 x->preserve_ownership = on_off;
783 x->preserve_links = on_off;
797 main (int argc, char **argv)
801 bool make_backups = false;
802 char *backup_suffix_string;
803 char *version_control_string = NULL;
805 bool copy_contents = false;
806 char *target_directory = NULL;
807 bool no_target_directory = false;
809 initialize_main (&argc, &argv);
810 program_name = argv[0];
811 setlocale (LC_ALL, "");
812 bindtextdomain (PACKAGE, LOCALEDIR);
813 textdomain (PACKAGE);
815 atexit (close_stdout);
819 /* FIXME: consider not calling getenv for SIMPLE_BACKUP_SUFFIX unless
820 we'll actually use backup_suffix_string. */
821 backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
823 while ((c = getopt_long (argc, argv, "abdfHilLprst:uvxPRS:TV:",
830 x.sparse_mode = XARGMATCH ("--sparse", optarg,
831 sparse_type_string, sparse_type);
834 case 'a': /* Like -dpPR. */
835 x.dereference = DEREF_NEVER;
836 x.preserve_links = true;
837 x.preserve_ownership = true;
838 x.preserve_mode = true;
839 x.preserve_timestamps = true;
840 x.require_preserve = true;
844 case 'V': /* FIXME: this is deprecated. Remove it in 2001. */
846 _("warning: --version-control (-V) is obsolete; support for\
847 it\nwill be removed in some future release. Use --backup=%s instead."
854 version_control_string = optarg;
857 case COPY_CONTENTS_OPTION:
858 copy_contents = true;
862 x.preserve_links = true;
863 x.dereference = DEREF_NEVER;
867 x.unlink_dest_after_failed_open = true;
871 x.dereference = DEREF_COMMAND_LINE_ARGUMENTS;
875 x.interactive = I_ASK_USER;
883 x.dereference = DEREF_ALWAYS;
887 x.dereference = DEREF_NEVER;
890 case NO_PRESERVE_ATTRIBUTES_OPTION:
891 decode_preserve_arg (optarg, &x, false);
894 case PRESERVE_ATTRIBUTES_OPTION:
897 /* Fall through to the case for `p' below. */
901 decode_preserve_arg (optarg, &x, true);
902 x.require_preserve = true;
907 x.preserve_ownership = true;
908 x.preserve_mode = true;
909 x.preserve_timestamps = true;
910 x.require_preserve = true;
923 x.interactive = XARGMATCH ("--reply", optarg,
924 reply_args, reply_vals);
927 case UNLINK_DEST_BEFORE_OPENING:
928 x.unlink_dest_before_opening = true;
931 case STRIP_TRAILING_SLASHES_OPTION:
932 remove_trailing_slashes = true;
937 x.symbolic_link = true;
939 error (EXIT_FAILURE, 0,
940 _("symbolic links are not supported on this system"));
945 if (target_directory)
946 error (EXIT_FAILURE, 0,
947 _("multiple target directories specified"));
951 if (stat (optarg, &st) != 0)
952 error (EXIT_FAILURE, errno, _("accessing %s"), quote (optarg));
953 if (! S_ISDIR (st.st_mode))
954 error (EXIT_FAILURE, 0, _("target %s is not a directory"),
957 target_directory = optarg;
961 no_target_directory = true;
973 x.one_file_system = true;
978 backup_suffix_string = optarg;
981 case_GETOPT_HELP_CHAR;
983 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
986 usage (EXIT_FAILURE);
990 if (x.hard_link & x.symbolic_link)
992 error (0, 0, _("cannot make both hard and symbolic links"));
993 usage (EXIT_FAILURE);
996 if (backup_suffix_string)
997 simple_backup_suffix = xstrdup (backup_suffix_string);
999 x.backup_type = (make_backups
1000 ? xget_version (_("backup type"),
1001 version_control_string)
1004 if (x.preserve_mode)
1005 x.umask_kill = ~ (mode_t) 0;
1007 if (x.dereference == DEREF_UNDEFINED)
1010 /* This is compatible with FreeBSD. */
1011 x.dereference = DEREF_NEVER;
1013 x.dereference = DEREF_ALWAYS;
1016 /* The key difference between -d (--no-dereference) and not is the version
1017 of `stat' to call. */
1020 x.copy_as_regular = copy_contents;
1022 /* If --force (-f) was specified and we're in link-creation mode,
1023 first remove any existing destination file. */
1024 if (x.unlink_dest_after_failed_open & (x.hard_link | x.symbolic_link))
1025 x.unlink_dest_before_opening = true;
1027 /* Allocate space for remembering copied and created files. */
1031 ok = do_copy (argc - optind, argv + optind,
1032 target_directory, no_target_directory, &x);
1036 exit (ok ? EXIT_SUCCESS : EXIT_FAILURE);