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., 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>
28 #include "backupfile.h"
33 #include "filenamecat.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 /* Used by do_copy, make_dir_parents_private, and re_protect
54 to keep a list of leading directories whose protections
55 need to be fixed after copying. */
60 struct dir_attr *next;
63 /* For long options that have no equivalent short option, use a
64 non-character as a pseudo short option, starting with CHAR_MAX + 1. */
67 COPY_CONTENTS_OPTION = CHAR_MAX + 1,
68 NO_PRESERVE_ATTRIBUTES_OPTION,
70 PRESERVE_ATTRIBUTES_OPTION,
73 STRIP_TRAILING_SLASHES_OPTION,
74 UNLINK_DEST_BEFORE_OPENING
77 /* Initial number of entries in each hash table entry's table of inodes. */
78 #define INITIAL_HASH_MODULE 100
80 /* Initial number of entries in the inode hash table. */
81 #define INITIAL_ENTRY_TAB_SIZE 70
83 /* The invocation name of this program. */
86 /* If true, the command "cp x/e_file e_dir" uses "e_dir/x/e_file"
87 as its destination instead of the usual "e_dir/e_file." */
88 static bool parents_option = false;
90 /* Remove any trailing slashes from each SOURCE argument. */
91 static bool remove_trailing_slashes;
93 static char const *const sparse_type_string[] =
95 "never", "auto", "always", NULL
97 static enum Sparse_type const sparse_type[] =
99 SPARSE_NEVER, SPARSE_AUTO, SPARSE_ALWAYS
101 ARGMATCH_VERIFY (sparse_type_string, sparse_type);
103 /* Valid arguments to the `--reply' option. */
104 static char const* const reply_args[] =
106 "yes", "no", "query", NULL
108 /* The values that correspond to the above strings. */
109 static int const reply_vals[] =
111 I_ALWAYS_YES, I_ALWAYS_NO, I_ASK_USER
113 ARGMATCH_VERIFY (reply_args, reply_vals);
115 static struct option const long_opts[] =
117 {"archive", no_argument, NULL, 'a'},
118 {"backup", optional_argument, NULL, 'b'},
119 {"copy-contents", no_argument, NULL, COPY_CONTENTS_OPTION},
120 {"dereference", no_argument, NULL, 'L'},
121 {"force", no_argument, NULL, 'f'},
122 {"interactive", no_argument, NULL, 'i'},
123 {"link", no_argument, NULL, 'l'},
124 {"no-dereference", no_argument, NULL, 'P'},
125 {"no-preserve", required_argument, NULL, NO_PRESERVE_ATTRIBUTES_OPTION},
126 {"no-target-directory", no_argument, NULL, 'T'},
127 {"one-file-system", no_argument, NULL, 'x'},
128 {"parents", no_argument, NULL, PARENTS_OPTION},
129 {"path", no_argument, NULL, PARENTS_OPTION}, /* Deprecated. */
130 {"preserve", optional_argument, NULL, PRESERVE_ATTRIBUTES_OPTION},
131 {"recursive", no_argument, NULL, 'R'},
132 {"remove-destination", no_argument, NULL, UNLINK_DEST_BEFORE_OPENING},
133 {"reply", required_argument, NULL, REPLY_OPTION},
134 {"sparse", required_argument, NULL, SPARSE_OPTION},
135 {"strip-trailing-slashes", no_argument, NULL, STRIP_TRAILING_SLASHES_OPTION},
136 {"suffix", required_argument, NULL, 'S'},
137 {"symbolic-link", no_argument, NULL, 's'},
138 {"target-directory", required_argument, NULL, 't'},
139 {"update", no_argument, NULL, 'u'},
140 {"verbose", no_argument, NULL, 'v'},
141 {GETOPT_HELP_OPTION_DECL},
142 {GETOPT_VERSION_OPTION_DECL},
149 if (status != EXIT_SUCCESS)
150 fprintf (stderr, _("Try `%s --help' for more information.\n"),
155 Usage: %s [OPTION]... [-T] SOURCE DEST\n\
156 or: %s [OPTION]... SOURCE... DIRECTORY\n\
157 or: %s [OPTION]... -t DIRECTORY SOURCE...\n\
159 program_name, program_name, program_name);
161 Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n\
165 Mandatory arguments to long options are mandatory for short options too.\n\
168 -a, --archive same as -dpR\n\
169 --backup[=CONTROL] make a backup of each existing destination file\n\
170 -b like --backup but does not accept an argument\n\
171 --copy-contents copy contents of special files when recursive\n\
172 -d same as --no-dereference --preserve=link\n\
175 -f, --force if an existing destination file cannot be\n\
176 opened, remove it and try again\n\
177 -i, --interactive prompt before overwrite\n\
178 -H follow command-line symbolic links\n\
181 -l, --link link files instead of copying\n\
182 -L, --dereference always follow symbolic links\n\
185 -P, --no-dereference never follow symbolic links\n\
188 -p same as --preserve=mode,ownership,timestamps\n\
189 --preserve[=ATTR_LIST] preserve the specified attributes (default:\n\
190 mode,ownership,timestamps), if possible\n\
191 additional attributes: links, all\n\
194 --no-preserve=ATTR_LIST don't preserve the specified attributes\n\
195 --parents use full source file name under DIRECTORY\n\
198 -R, -r, --recursive copy directories recursively\n\
199 --remove-destination remove each existing destination file before\n\
200 attempting to open it (contrast with --force)\n\
203 --reply={yes,no,query} specify how to handle the prompt about an\n\
204 existing destination file\n\
205 --sparse=WHEN control creation of sparse files\n\
206 --strip-trailing-slashes remove any trailing slashes from each SOURCE\n\
210 -s, --symbolic-link make symbolic links instead of copying\n\
211 -S, --suffix=SUFFIX override the usual backup suffix\n\
212 -t, --target-directory=DIRECTORY copy all SOURCE arguments into DIRECTORY\n\
213 -T, --no-target-directory treat DEST as a normal file\n\
216 -u, --update copy only when the SOURCE file is newer\n\
217 than the destination file or when the\n\
218 destination file is missing\n\
219 -v, --verbose explain what is being done\n\
220 -x, --one-file-system stay on this file system\n\
222 fputs (HELP_OPTION_DESCRIPTION, stdout);
223 fputs (VERSION_OPTION_DESCRIPTION, stdout);
226 By default, sparse SOURCE files are detected by a crude heuristic and the\n\
227 corresponding DEST file is made sparse as well. That is the behavior\n\
228 selected by --sparse=auto. Specify --sparse=always to create a sparse DEST\n\
229 file whenever the SOURCE file contains a long enough sequence of zero bytes.\n\
230 Use --sparse=never to inhibit creation of sparse files.\n\
234 The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
235 The version control method may be selected via the --backup option or through\n\
236 the VERSION_CONTROL environment variable. Here are the values:\n\
240 none, off never make backups (even if --backup is given)\n\
241 numbered, t make numbered backups\n\
242 existing, nil numbered if numbered backups exist, simple otherwise\n\
243 simple, never always make simple backups\n\
247 As a special case, cp makes a backup of SOURCE when the force and backup\n\
248 options are given and SOURCE and DEST are the same name for an existing,\n\
251 printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
256 /* Ensure that the parent directories of CONST_DST_NAME have the
257 correct protections, for the --parents option. This is done
258 after all copying has been completed, to allow permissions
259 that don't include user write/execute.
261 SRC_OFFSET is the index in CONST_DST_NAME of the beginning of the
262 source directory name.
264 ATTR_LIST is a null-terminated linked list of structures that
265 indicates the end of the filename of each intermediate directory
266 in CONST_DST_NAME that may need to have its attributes changed.
267 The command `cp --parents --preserve a/b/c d/e_dir' changes the
268 attributes of the directories d/e_dir/a and d/e_dir/a/b to match
269 the corresponding source directories regardless of whether they
270 existed before the `cp' command was given.
272 Return true if the parent of CONST_DST_NAME and any intermediate
273 directories specified by ATTR_LIST have the proper permissions
277 re_protect (char const *const_dst_name, size_t src_offset,
278 struct dir_attr *attr_list, const struct cp_options *x)
281 char *dst_name; /* A copy of CONST_DST_NAME we can change. */
282 char *src_name; /* The source name in `dst_name'. */
284 ASSIGN_STRDUPA (dst_name, const_dst_name);
285 src_name = dst_name + src_offset;
287 for (p = attr_list; p; p = p->next)
291 dst_name[p->slash_offset] = '\0';
293 if (XSTAT (x, src_name, &src_sb))
295 error (0, errno, _("failed to get attributes of %s"),
300 /* Adjust the times (and if possible, ownership) for the copy.
301 chown turns off set[ug]id bits for non-root,
302 so do the chmod last. */
304 if (x->preserve_timestamps)
306 struct timespec timespec[2];
308 timespec[0].tv_sec = src_sb.st_atime;
309 timespec[0].tv_nsec = TIMESPEC_NS (src_sb.st_atim);
310 timespec[1].tv_sec = src_sb.st_mtime;
311 timespec[1].tv_nsec = TIMESPEC_NS (src_sb.st_mtim);
313 if (utimens (dst_name, timespec))
315 error (0, errno, _("failed to preserve times for %s"),
321 if (x->preserve_ownership)
323 if (chown (dst_name, src_sb.st_uid, src_sb.st_gid) != 0
324 && ! chown_failure_ok (x))
326 error (0, errno, _("failed to preserve ownership for %s"),
332 if (x->preserve_mode | p->is_new_dir)
334 if (chmod (dst_name, src_sb.st_mode & x->umask_kill))
336 error (0, errno, _("failed to preserve permissions for %s"),
342 dst_name[p->slash_offset] = '/';
347 /* Ensure that the parent directory of CONST_DIR exists, for
348 the --parents option.
350 SRC_OFFSET is the index in CONST_DIR (which is a destination
351 directory) of the beginning of the source directory name.
352 Create any leading directories that don't already exist,
353 giving them permissions MODE.
354 If VERBOSE_FMT_STRING is nonzero, use it as a printf format
355 string for printing a message after successfully making a directory.
356 The format should take two string arguments: the names of the
357 source and destination directories.
358 Creates a linked list of attributes of intermediate directories,
359 *ATTR_LIST, for re_protect to use after calling copy.
360 Sets *NEW_DST if this function creates parent of CONST_DIR.
362 Return true if parent of CONST_DIR exists as a directory with the proper
363 permissions when done. */
365 /* FIXME: Synch this function with the one in ../lib/mkdir-p.c. */
368 make_dir_parents_private (char const *const_dir, size_t src_offset,
369 mode_t mode, char const *verbose_fmt_string,
370 struct dir_attr **attr_list, bool *new_dst,
374 char *dir; /* A copy of CONST_DIR we can change. */
375 char *src; /* Source name in DIR. */
376 char *dst_dir; /* Leading directory of DIR. */
377 size_t dirlen; /* Length of DIR. */
379 ASSIGN_STRDUPA (dir, const_dir);
381 src = dir + src_offset;
383 dirlen = dir_len (dir);
384 dst_dir = alloca (dirlen + 1);
385 memcpy (dst_dir, dir, dirlen);
386 dst_dir[dirlen] = '\0';
390 if ((*xstat) (dst_dir, &stats))
392 /* A parent of CONST_DIR does not exist.
393 Make all missing intermediate directories. */
397 while (*slash == '/')
399 while ((slash = strchr (slash, '/')))
401 /* Add this directory to the list of directories whose modes need
403 struct dir_attr *new = xmalloc (sizeof *new);
404 new->slash_offset = slash - dir;
405 new->next = *attr_list;
409 if ((*xstat) (dir, &stats))
411 /* This component does not exist. We must set
412 *new_dst and new->is_new_dir inside this loop because,
413 for example, in the command `cp --parents ../a/../b/c e_dir',
414 make_dir_parents_private creates only e_dir/../a if
415 ./b already exists. */
417 new->is_new_dir = true;
418 if (mkdir (dir, mode))
420 error (0, errno, _("cannot make directory %s"),
426 if (verbose_fmt_string != NULL)
427 printf (verbose_fmt_string, src, dir);
430 else if (!S_ISDIR (stats.st_mode))
432 error (0, 0, _("%s exists but is not a directory"),
438 new->is_new_dir = false;
443 /* Avoid unnecessary calls to `stat' when given
444 file names containing multiple adjacent slashes. */
445 while (*slash == '/')
450 /* We get here if the parent of DIR already exists. */
452 else if (!S_ISDIR (stats.st_mode))
454 error (0, 0, _("%s exists but is not a directory"), quote (dst_dir));
464 /* FILE is the last operand of this command.
465 Return true if FILE is a directory.
466 But report an error and exit if there is a problem accessing FILE,
467 or if FILE does not exist but would have to refer to an existing
468 directory if it referred to anything at all.
470 If the file exists, store the file's status into *ST.
471 Otherwise, set *NEW_DST. */
474 target_directory_operand (char const *file, struct stat *st, bool *new_dst)
476 char const *b = base_name (file);
477 size_t blen = strlen (b);
478 bool looks_like_a_dir = (blen == 0 || ISSLASH (b[blen - 1]));
479 int err = (stat (file, st) == 0 ? 0 : errno);
480 bool is_a_dir = !err && S_ISDIR (st->st_mode);
484 error (EXIT_FAILURE, err, _("accessing %s"), quote (file));
487 if (is_a_dir < looks_like_a_dir)
488 error (EXIT_FAILURE, err, _("target %s is not a directory"), quote (file));
492 /* Scan the arguments, and copy each by calling copy.
493 Return true if successful. */
496 do_copy (int n_files, char **file, const char *target_directory,
497 bool no_target_directory, struct cp_options *x)
500 bool new_dst = false;
503 if (n_files <= !target_directory)
506 error (0, 0, _("missing file operand"));
508 error (0, 0, _("missing destination file operand after %s"),
510 usage (EXIT_FAILURE);
513 if (no_target_directory)
515 if (target_directory)
516 error (EXIT_FAILURE, 0,
517 _("Cannot combine --target-directory (-t) "
518 "and --no-target-directory (-T)"));
521 error (0, 0, _("extra operand %s"), quote (file[2]));
522 usage (EXIT_FAILURE);
525 else if (!target_directory)
528 && target_directory_operand (file[n_files - 1], &sb, &new_dst))
529 target_directory = file[--n_files];
530 else if (2 < n_files)
531 error (EXIT_FAILURE, 0, _("target %s is not a directory"),
532 quote (file[n_files - 1]));
535 if (target_directory)
537 /* cp file1...filen edir
538 Copy the files `file1' through `filen'
539 to the existing directory `edir'. */
541 int (*xstat)() = (x->dereference == DEREF_COMMAND_LINE_ARGUMENTS
542 || x->dereference == DEREF_ALWAYS
546 /* Initialize these hash tables only if we'll need them.
547 The problems they're used to detect can arise only if
548 there are two or more files to copy. */
555 for (i = 0; i < n_files; i++)
558 bool parent_exists = true; /* True if dir_name (dst_name) exists. */
559 struct dir_attr *attr_list;
560 char *arg_in_concat = NULL;
563 /* Trailing slashes are meaningful (i.e., maybe worth preserving)
564 only in the source file names. */
565 if (remove_trailing_slashes)
566 strip_trailing_slashes (arg);
570 char *arg_no_trailing_slash;
572 /* Use `arg' without trailing slashes in constructing destination
573 file names. Otherwise, we can end up trying to create a
574 directory via `mkdir ("dst/foo/"...', which is not portable.
575 It fails, due to the trailing slash, on at least
576 NetBSD 1.[34] systems. */
577 ASSIGN_STRDUPA (arg_no_trailing_slash, arg);
578 strip_trailing_slashes (arg_no_trailing_slash);
580 /* Append all of `arg' (minus any trailing slash) to `dest'. */
581 dst_name = file_name_concat (target_directory,
582 arg_no_trailing_slash,
585 /* For --parents, we have to make sure that the directory
586 dir_name (dst_name) exists. We may have to create a few
587 leading directories. */
589 (make_dir_parents_private
590 (dst_name, arg_in_concat - dst_name, S_IRWXU,
591 (x->verbose ? "%s -> %s\n" : NULL),
592 &attr_list, &new_dst, xstat));
597 /* Append the last component of `arg' to `target_directory'. */
599 ASSIGN_BASENAME_STRDUPA (arg_base, arg);
600 /* For `cp -R source/.. dest', don't copy into `dest/..'. */
601 dst_name = (STREQ (arg_base, "..")
602 ? xstrdup (target_directory)
603 : file_name_concat (target_directory, arg_base,
609 /* make_dir_parents_private failed, so don't even
616 ok &= copy (arg, dst_name, new_dst, x, ©_into_self, NULL);
619 ok &= re_protect (dst_name, arg_in_concat - dst_name,
626 else /* !target_directory */
628 char const *new_dest;
629 char const *source = file[0];
630 char const *dest = file[1];
636 _("with --parents, the destination must be a directory"));
637 usage (EXIT_FAILURE);
640 /* When the force and backup options have been specified and
641 the source and destination are the same name for an existing
642 regular file, convert the user's command, e.g.,
643 `cp --force --backup foo foo' to `cp --force foo fooSUFFIX'
644 where SUFFIX is determined by any version control options used. */
646 if (x->unlink_dest_after_failed_open
647 && x->backup_type != no_backups
648 && STREQ (source, dest)
649 && !new_dst && S_ISREG (sb.st_mode))
651 static struct cp_options x_tmp;
653 new_dest = find_backup_file_name (dest, x->backup_type);
654 /* Set x->backup_type to `no_backups' so that the normal backup
655 mechanism is not used when performing the actual copy.
656 backup_type must be set to `no_backups' only *after* the above
657 call to find_backup_file_name -- that function uses
658 backup_type to determine the suffix it applies. */
660 x_tmp.backup_type = no_backups;
668 ok = copy (source, new_dest, 0, x, &unused, NULL);
675 cp_option_init (struct cp_options *x)
677 x->copy_as_regular = true;
678 x->dereference = DEREF_UNDEFINED;
679 x->unlink_dest_before_opening = false;
680 x->unlink_dest_after_failed_open = false;
681 x->hard_link = false;
682 x->interactive = I_UNSPECIFIED;
683 x->chown_privileges = chown_privileges ();
684 x->move_mode = false;
685 x->one_file_system = false;
687 x->preserve_ownership = false;
688 x->preserve_links = false;
689 x->preserve_mode = false;
690 x->preserve_timestamps = false;
692 x->require_preserve = false;
693 x->recursive = false;
694 x->sparse_mode = SPARSE_AUTO;
695 x->symbolic_link = false;
700 x->stdin_tty = false;
702 /* Find out the current file creation mask, to knock the right bits
703 when using chmod. The creation mask is set to be liberal, so
704 that created directories can be written, even if it would not
705 have been allowed with the mask this process was started with. */
706 x->umask_kill = ~ umask (0);
714 /* Given a string, ARG, containing a comma-separated list of arguments
715 to the --preserve option, set the appropriate fields of X to ON_OFF. */
717 decode_preserve_arg (char const *arg, struct cp_options *x, bool on_off)
727 static enum File_attribute const preserve_vals[] =
729 PRESERVE_MODE, PRESERVE_TIMESTAMPS,
730 PRESERVE_OWNERSHIP, PRESERVE_LINK, PRESERVE_ALL
732 /* Valid arguments to the `--preserve' option. */
733 static char const* const preserve_args[] =
735 "mode", "timestamps",
736 "ownership", "links", "all", NULL
738 ARGMATCH_VERIFY (preserve_args, preserve_vals);
740 char *arg_writable = xstrdup (arg);
741 char *s = arg_writable;
744 /* find next comma */
745 char *comma = strchr (s, ',');
746 enum File_attribute val;
748 /* If we found a comma, put a NUL in its place and advance. */
753 val = XARGMATCH ("--preserve", s, preserve_args, preserve_vals);
757 x->preserve_mode = on_off;
760 case PRESERVE_TIMESTAMPS:
761 x->preserve_timestamps = on_off;
764 case PRESERVE_OWNERSHIP:
765 x->preserve_ownership = on_off;
769 x->preserve_links = on_off;
773 x->preserve_mode = on_off;
774 x->preserve_timestamps = on_off;
775 x->preserve_ownership = on_off;
776 x->preserve_links = on_off;
790 main (int argc, char **argv)
794 bool make_backups = false;
795 char *backup_suffix_string;
796 char *version_control_string = NULL;
798 bool copy_contents = false;
799 char *target_directory = NULL;
800 bool no_target_directory = false;
802 initialize_main (&argc, &argv);
803 program_name = argv[0];
804 setlocale (LC_ALL, "");
805 bindtextdomain (PACKAGE, LOCALEDIR);
806 textdomain (PACKAGE);
808 atexit (close_stdout);
812 /* FIXME: consider not calling getenv for SIMPLE_BACKUP_SUFFIX unless
813 we'll actually use backup_suffix_string. */
814 backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
816 while ((c = getopt_long (argc, argv, "abdfHilLprst:uvxPRS:T",
823 x.sparse_mode = XARGMATCH ("--sparse", optarg,
824 sparse_type_string, sparse_type);
827 case 'a': /* Like -dpPR. */
828 x.dereference = DEREF_NEVER;
829 x.preserve_links = true;
830 x.preserve_ownership = true;
831 x.preserve_mode = true;
832 x.preserve_timestamps = true;
833 x.require_preserve = true;
840 version_control_string = optarg;
843 case COPY_CONTENTS_OPTION:
844 copy_contents = true;
848 x.preserve_links = true;
849 x.dereference = DEREF_NEVER;
853 x.unlink_dest_after_failed_open = true;
857 x.dereference = DEREF_COMMAND_LINE_ARGUMENTS;
861 x.interactive = I_ASK_USER;
869 x.dereference = DEREF_ALWAYS;
873 x.dereference = DEREF_NEVER;
876 case NO_PRESERVE_ATTRIBUTES_OPTION:
877 decode_preserve_arg (optarg, &x, false);
880 case PRESERVE_ATTRIBUTES_OPTION:
883 /* Fall through to the case for `p' below. */
887 decode_preserve_arg (optarg, &x, true);
888 x.require_preserve = true;
893 x.preserve_ownership = true;
894 x.preserve_mode = true;
895 x.preserve_timestamps = true;
896 x.require_preserve = true;
900 parents_option = true;
909 x.interactive = XARGMATCH ("--reply", optarg,
910 reply_args, reply_vals);
913 case UNLINK_DEST_BEFORE_OPENING:
914 x.unlink_dest_before_opening = true;
917 case STRIP_TRAILING_SLASHES_OPTION:
918 remove_trailing_slashes = true;
923 x.symbolic_link = true;
925 error (EXIT_FAILURE, 0,
926 _("symbolic links are not supported on this system"));
931 if (target_directory)
932 error (EXIT_FAILURE, 0,
933 _("multiple target directories specified"));
937 if (stat (optarg, &st) != 0)
938 error (EXIT_FAILURE, errno, _("accessing %s"), quote (optarg));
939 if (! S_ISDIR (st.st_mode))
940 error (EXIT_FAILURE, 0, _("target %s is not a directory"),
943 target_directory = optarg;
947 no_target_directory = true;
959 x.one_file_system = true;
964 backup_suffix_string = optarg;
967 case_GETOPT_HELP_CHAR;
969 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
972 usage (EXIT_FAILURE);
976 if (x.hard_link & x.symbolic_link)
978 error (0, 0, _("cannot make both hard and symbolic links"));
979 usage (EXIT_FAILURE);
982 if (backup_suffix_string)
983 simple_backup_suffix = xstrdup (backup_suffix_string);
985 x.backup_type = (make_backups
986 ? xget_version (_("backup type"),
987 version_control_string)
991 x.umask_kill = ~ (mode_t) 0;
993 if (x.dereference == DEREF_UNDEFINED)
996 /* This is compatible with FreeBSD. */
997 x.dereference = DEREF_NEVER;
999 x.dereference = DEREF_ALWAYS;
1002 /* The key difference between -d (--no-dereference) and not is the version
1003 of `stat' to call. */
1006 x.copy_as_regular = copy_contents;
1008 /* If --force (-f) was specified and we're in link-creation mode,
1009 first remove any existing destination file. */
1010 if (x.unlink_dest_after_failed_open & (x.hard_link | x.symbolic_link))
1011 x.unlink_dest_before_opening = true;
1013 /* Allocate space for remembering copied and created files. */
1017 ok = do_copy (argc - optind, argv + optind,
1018 target_directory, no_target_directory, &x);
1022 exit (ok ? EXIT_SUCCESS : EXIT_FAILURE);