1 /* cp.c -- file copying (main routines)
2 Copyright (C) 89, 90, 91, 1995-2004 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,
73 NO_TARGET_DIRECTORY_OPTION,
75 PRESERVE_ATTRIBUTES_OPTION,
78 STRIP_TRAILING_SLASHES_OPTION,
79 TARGET_DIRECTORY_OPTION,
80 UNLINK_DEST_BEFORE_OPENING
83 /* Initial number of entries in each hash table entry's table of inodes. */
84 #define INITIAL_HASH_MODULE 100
86 /* Initial number of entries in the inode hash table. */
87 #define INITIAL_ENTRY_TAB_SIZE 70
89 /* The invocation name of this program. */
92 /* If nonzero, the command "cp x/e_file e_dir" uses "e_dir/x/e_file"
93 as its destination instead of the usual "e_dir/e_file." */
94 static int flag_path = 0;
96 /* Remove any trailing slashes from each SOURCE argument. */
97 static int remove_trailing_slashes;
99 static char const *const sparse_type_string[] =
101 "never", "auto", "always", 0
104 static enum Sparse_type const sparse_type[] =
106 SPARSE_NEVER, SPARSE_AUTO, SPARSE_ALWAYS
109 /* Valid arguments to the `--reply' option. */
110 static char const* const reply_args[] =
112 "yes", "no", "query", 0
115 /* The values that correspond to the above strings. */
116 static int const reply_vals[] =
118 I_ALWAYS_YES, I_ALWAYS_NO, I_ASK_USER
121 static struct option const long_opts[] =
123 {"archive", no_argument, NULL, 'a'},
124 {"backup", optional_argument, NULL, 'b'},
125 {"copy-contents", no_argument, NULL, COPY_CONTENTS_OPTION},
126 {"dereference", no_argument, NULL, 'L'},
127 {"force", no_argument, NULL, 'f'},
128 {"interactive", no_argument, NULL, 'i'},
129 {"link", no_argument, NULL, 'l'},
130 {"no-dereference", no_argument, NULL, 'P'},
131 {"no-preserve", required_argument, NULL, NO_PRESERVE_ATTRIBUTES_OPTION},
132 {"no-target-directory", no_argument, NULL, NO_TARGET_DIRECTORY_OPTION},
133 {"one-file-system", no_argument, NULL, 'x'},
134 {"parents", no_argument, NULL, PARENTS_OPTION},
135 {"path", no_argument, NULL, PARENTS_OPTION}, /* Deprecated. */
136 {"preserve", optional_argument, NULL, PRESERVE_ATTRIBUTES_OPTION},
137 {"recursive", no_argument, NULL, 'R'},
138 {"remove-destination", no_argument, NULL, UNLINK_DEST_BEFORE_OPENING},
139 {"reply", required_argument, NULL, REPLY_OPTION},
140 {"sparse", required_argument, NULL, SPARSE_OPTION},
141 {"strip-trailing-slashes", no_argument, NULL, STRIP_TRAILING_SLASHES_OPTION},
142 {"suffix", required_argument, NULL, 'S'},
143 {"symbolic-link", no_argument, NULL, 's'},
144 {"target-directory", required_argument, NULL, TARGET_DIRECTORY_OPTION},
145 {"update", no_argument, NULL, 'u'},
146 {"verbose", no_argument, NULL, 'v'},
147 {"version-control", required_argument, NULL, 'V'}, /* Deprecated. FIXME. */
148 {GETOPT_HELP_OPTION_DECL},
149 {GETOPT_VERSION_OPTION_DECL},
156 if (status != EXIT_SUCCESS)
157 fprintf (stderr, _("Try `%s --help' for more information.\n"),
162 Usage: %s [OPTION]... SOURCE DEST\n\
163 or: %s [OPTION]... SOURCE... DIRECTORY\n\
164 or: %s [OPTION]... --target-directory=DIRECTORY SOURCE...\n\
166 program_name, program_name, program_name);
168 Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n\
172 Mandatory arguments to long options are mandatory for short options too.\n\
175 -a, --archive same as -dpR\n\
176 --backup[=CONTROL] make a backup of each existing destination file\n\
177 -b like --backup but does not accept an argument\n\
178 --copy-contents copy contents of special files when recursive\n\
179 -d same as --no-dereference --preserve=link\n\
182 --no-dereference never follow symbolic links\n\
183 -f, --force if an existing destination file cannot be\n\
184 opened, remove it and try again\n\
185 -i, --interactive prompt before overwrite\n\
186 -H follow command-line symbolic links\n\
189 -l, --link link files instead of copying\n\
190 -L, --dereference always 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 append source path to DIRECTORY\n\
199 -P same as `--no-dereference'\n\
202 -R, -r, --recursive copy directories recursively\n\
203 --remove-destination remove each existing destination file before\n\
204 attempting to open it (contrast with --force)\n\
207 --reply={yes,no,query} specify how to handle the prompt about an\n\
208 existing destination file\n\
209 --sparse=WHEN control creation of sparse files\n\
210 --strip-trailing-slashes remove any trailing slashes from each SOURCE\n\
214 -s, --symbolic-link make symbolic links instead of copying\n\
215 -S, --suffix=SUFFIX override the usual backup suffix\n\
216 --target-directory=DIRECTORY copy all SOURCE arguments into DIRECTORY\n\
217 --no-target-directory treat DEST as a normal file\n\
220 -u, --update copy only when the SOURCE file is newer\n\
221 than the destination file or when the\n\
222 destination file is missing\n\
223 -v, --verbose explain what is being done\n\
224 -x, --one-file-system stay on this file system\n\
226 fputs (HELP_OPTION_DESCRIPTION, stdout);
227 fputs (VERSION_OPTION_DESCRIPTION, stdout);
230 By default, sparse SOURCE files are detected by a crude heuristic and the\n\
231 corresponding DEST file is made sparse as well. That is the behavior\n\
232 selected by --sparse=auto. Specify --sparse=always to create a sparse DEST\n\
233 file whenever the SOURCE file contains a long enough sequence of zero bytes.\n\
234 Use --sparse=never to inhibit creation of sparse files.\n\
238 The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
239 The version control method may be selected via the --backup option or through\n\
240 the VERSION_CONTROL environment variable. Here are the values:\n\
244 none, off never make backups (even if --backup is given)\n\
245 numbered, t make numbered backups\n\
246 existing, nil numbered if numbered backups exist, simple otherwise\n\
247 simple, never always make simple backups\n\
251 As a special case, cp makes a backup of SOURCE when the force and backup\n\
252 options are given and SOURCE and DEST are the same name for an existing,\n\
255 printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
260 /* Ensure that the parent directories of CONST_DST_PATH have the
261 correct protections, for the --parents option. This is done
262 after all copying has been completed, to allow permissions
263 that don't include user write/execute.
265 SRC_OFFSET is the index in CONST_DST_PATH of the beginning of the
266 source directory name.
268 ATTR_LIST is a null-terminated linked list of structures that
269 indicates the end of the filename of each intermediate directory
270 in CONST_DST_PATH that may need to have its attributes changed.
271 The command `cp --parents --preserve a/b/c d/e_dir' changes the
272 attributes of the directories d/e_dir/a and d/e_dir/a/b to match
273 the corresponding source directories regardless of whether they
274 existed before the `cp' command was given.
276 Return 0 if the parent of CONST_DST_PATH and any intermediate
277 directories specified by ATTR_LIST have the proper permissions
278 when done, otherwise 1. */
281 re_protect (const char *const_dst_path, int src_offset,
282 struct dir_attr *attr_list, const struct cp_options *x)
285 char *dst_path; /* A copy of CONST_DST_PATH we can change. */
286 char *src_path; /* The source name in `dst_path'. */
287 uid_t myeuid = geteuid ();
289 ASSIGN_STRDUPA (dst_path, const_dst_path);
290 src_path = dst_path + src_offset;
292 for (p = attr_list; p; p = p->next)
296 dst_path[p->slash_offset] = '\0';
298 if (XSTAT (x, src_path, &src_sb))
300 error (0, errno, _("failed to get attributes of %s"),
305 /* Adjust the times (and if possible, ownership) for the copy.
306 chown turns off set[ug]id bits for non-root,
307 so do the chmod last. */
309 if (x->preserve_timestamps)
311 struct timespec timespec[2];
313 timespec[0].tv_sec = src_sb.st_atime;
314 timespec[0].tv_nsec = TIMESPEC_NS (src_sb.st_atim);
315 timespec[1].tv_sec = src_sb.st_mtime;
316 timespec[1].tv_nsec = TIMESPEC_NS (src_sb.st_mtim);
318 if (utimens (dst_path, timespec))
320 error (0, errno, _("failed to preserve times for %s"),
326 if (x->preserve_ownership)
328 /* If non-root uses -p, it's ok if we can't preserve ownership.
329 But root probably wants to know, e.g. if NFS disallows it,
330 or if the target system doesn't support file ownership. */
331 if (chown (dst_path, src_sb.st_uid, src_sb.st_gid)
332 && ((errno != EPERM && errno != EINVAL) || myeuid == 0))
334 error (0, errno, _("failed to preserve ownership for %s"),
340 if (x->preserve_mode || p->is_new_dir)
342 if (chmod (dst_path, src_sb.st_mode & x->umask_kill))
344 error (0, errno, _("failed to preserve permissions for %s"),
350 dst_path[p->slash_offset] = '/';
355 /* Ensure that the parent directory of CONST_DIRPATH exists, for
356 the --parents option.
358 SRC_OFFSET is the index in CONST_DIRPATH (which is a destination
359 path) of the beginning of the source directory name.
360 Create any leading directories that don't already exist,
361 giving them permissions MODE.
362 If VERBOSE_FMT_STRING is nonzero, use it as a printf format
363 string for printing a message after successfully making a directory.
364 The format should take two string arguments: the names of the
365 source and destination directories.
366 Creates a linked list of attributes of intermediate directories,
367 *ATTR_LIST, for re_protect to use after calling copy.
368 Sets *NEW_DST to 1 if this function creates parent of CONST_DIRPATH.
370 Return 0 if parent of CONST_DIRPATH exists as a directory with the proper
371 permissions when done, otherwise 1. */
373 /* FIXME: find a way to synch this function with the one in lib/makepath.c. */
376 make_path_private (const char *const_dirpath, int src_offset, int mode,
377 const char *verbose_fmt_string, struct dir_attr **attr_list,
378 int *new_dst, int (*xstat)())
381 char *dirpath; /* A copy of CONST_DIRPATH we can change. */
382 char *src; /* Source name in `dirpath'. */
383 char *dst_dirname; /* Leading path of `dirpath'. */
384 size_t dirlen; /* Length of leading path of `dirpath'. */
386 ASSIGN_STRDUPA (dirpath, const_dirpath);
388 src = dirpath + src_offset;
390 dirlen = dir_len (dirpath);
391 dst_dirname = alloca (dirlen + 1);
392 memcpy (dst_dirname, dirpath, dirlen);
393 dst_dirname[dirlen] = '\0';
397 if ((*xstat) (dst_dirname, &stats))
399 /* Parent of CONST_DIRNAME does not exist.
400 Make all missing intermediate directories. */
404 while (*slash == '/')
406 while ((slash = strchr (slash, '/')))
408 /* Add this directory to the list of directories whose modes need
410 struct dir_attr *new = xmalloc (sizeof *new);
411 new->slash_offset = slash - dirpath;
412 new->next = *attr_list;
416 if ((*xstat) (dirpath, &stats))
418 /* This element of the path does not exist. We must set
419 *new_dst and new->is_new_dir inside this loop because,
420 for example, in the command `cp --parents ../a/../b/c e_dir',
421 make_path_private creates only e_dir/../a if ./b already
425 if (mkdir (dirpath, mode))
427 error (0, errno, _("cannot make directory %s"),
433 if (verbose_fmt_string != NULL)
434 printf (verbose_fmt_string, src, dirpath);
437 else if (!S_ISDIR (stats.st_mode))
439 error (0, 0, _("%s exists but is not a directory"),
450 /* Avoid unnecessary calls to `stat' when given
451 pathnames containing multiple adjacent slashes. */
452 while (*slash == '/')
457 /* We get here if the parent of `dirpath' already exists. */
459 else if (!S_ISDIR (stats.st_mode))
461 error (0, 0, _("%s exists but is not a directory"), quote (dst_dirname));
471 /* FILE is the last operand of this command. Return -1 if FILE is a
472 directory, 0 if not, ENOENT if FILE does not exist.
473 But report an error there is a problem accessing FILE,
474 or if FILE does not exist but would have to refer to an existing
475 directory if it referred to anything at all.
477 Store the file's status into *ST, and store the resulting
478 error number into *ERRP. */
481 target_directory_operand (char const *file, struct stat *st, int *errp)
483 char const *b = base_name (file);
484 size_t blen = strlen (b);
485 bool looks_like_a_dir = (blen == 0 || ISSLASH (b[blen - 1]));
486 int err = (stat (file, st) == 0 ? 0 : errno);
487 bool is_a_dir = !err && S_ISDIR (st->st_mode);
488 if (err && err != ENOENT)
489 error (EXIT_FAILURE, err, _("accessing %s"), quote (file));
490 if (is_a_dir < looks_like_a_dir)
491 error (EXIT_FAILURE, err, _("target %s is not a directory"), quote (file));
496 /* Scan the arguments, and copy each by calling copy.
497 Return 0 if successful, 1 if any errors occur. */
500 do_copy (int n_files, char **file, const char *target_directory,
501 bool no_target_directory, struct cp_options *x)
507 if (n_files <= !target_directory)
510 error (0, 0, _("missing file operand"));
512 error (0, 0, _("missing destination file operand after %s"),
514 usage (EXIT_FAILURE);
517 if (no_target_directory)
519 if (target_directory)
520 error (EXIT_FAILURE, 0,
521 _("Cannot combine --target-directory "
522 "and --no-target-directory"));
525 error (0, 0, _("extra operand %s"), quote (file[2]));
526 usage (EXIT_FAILURE);
529 else if (!target_directory)
532 && target_directory_operand (file[n_files - 1], &sb, &new_dst))
533 target_directory = file[--n_files];
534 else if (2 < n_files)
535 error (EXIT_FAILURE, 0, _("target %s is not a directory"),
536 quote (file[n_files - 1]));
539 if (target_directory)
541 /* cp file1...filen edir
542 Copy the files `file1' through `filen'
543 to the existing directory `edir'. */
545 int (*xstat)() = (x->dereference == DEREF_COMMAND_LINE_ARGUMENTS
546 || x->dereference == DEREF_ALWAYS
550 /* Initialize these hash tables only if we'll need them.
551 The problems they're used to detect can arise only if
552 there are two or more files to copy. */
559 for (i = 0; i < n_files; i++)
562 int parent_exists = 1; /* True if dir_name (dst_path) exists. */
563 struct dir_attr *attr_list;
564 char *arg_in_concat = NULL;
567 /* Trailing slashes are meaningful (i.e., maybe worth preserving)
568 only in the source file names. */
569 if (remove_trailing_slashes)
570 strip_trailing_slashes (arg);
574 char *arg_no_trailing_slash;
576 /* Use `arg' without trailing slashes in constructing destination
577 file names. Otherwise, we can end up trying to create a
578 directory via `mkdir ("dst/foo/"...', which is not portable.
579 It fails, due to the trailing slash, on at least
580 NetBSD 1.[34] systems. */
581 ASSIGN_STRDUPA (arg_no_trailing_slash, arg);
582 strip_trailing_slashes (arg_no_trailing_slash);
584 /* Append all of `arg' (minus any trailing slash) to `dest'. */
585 dst_path = path_concat (target_directory, arg_no_trailing_slash,
587 if (dst_path == NULL)
590 /* For --parents, we have to make sure that the directory
591 dir_name (dst_path) exists. We may have to create a few
592 leading directories. */
593 parent_exists = !make_path_private (dst_path,
594 arg_in_concat - dst_path,
597 ? "%s -> %s\n" : NULL),
598 &attr_list, &new_dst,
604 /* Append the last component of `arg' to `target_directory'. */
606 ASSIGN_BASENAME_STRDUPA (arg_base, arg);
607 /* For `cp -R source/.. dest', don't copy into `dest/..'. */
608 dst_path = (STREQ (arg_base, "..")
609 ? xstrdup (target_directory)
610 : path_concat (target_directory, arg_base, NULL));
615 /* make_path_private failed, so don't even attempt the copy. */
621 ret |= copy (arg, dst_path, new_dst, x, ©_into_self, NULL);
625 ret |= re_protect (dst_path, arg_in_concat - dst_path,
634 else /* !target_directory */
636 char const *new_dest;
637 char const *source = file[0];
638 char const *dest = file[1];
644 _("when preserving paths, the destination must be a directory"));
645 usage (EXIT_FAILURE);
648 /* When the force and backup options have been specified and
649 the source and destination are the same name for an existing
650 regular file, convert the user's command, e.g.,
651 `cp --force --backup foo foo' to `cp --force foo fooSUFFIX'
652 where SUFFIX is determined by any version control options used. */
654 if (x->unlink_dest_after_failed_open
655 && x->backup_type != none
656 && STREQ (source, dest)
657 && !new_dst && S_ISREG (sb.st_mode))
659 static struct cp_options x_tmp;
661 new_dest = find_backup_file_name (dest, x->backup_type);
662 /* Set x->backup_type to `none' so that the normal backup
663 mechanism is not used when performing the actual copy.
664 backup_type must be set to `none' only *after* the above
665 call to find_backup_file_name -- that function uses
666 backup_type to determine the suffix it applies. */
668 x_tmp.backup_type = none;
671 if (new_dest == NULL)
679 return copy (source, new_dest, 0, x, &unused, NULL);
686 cp_option_init (struct cp_options *x)
688 x->copy_as_regular = 1;
689 x->dereference = DEREF_UNDEFINED;
690 x->unlink_dest_before_opening = 0;
691 x->unlink_dest_after_failed_open = 0;
693 x->interactive = I_UNSPECIFIED;
694 x->myeuid = geteuid ();
696 x->one_file_system = 0;
698 x->preserve_ownership = 0;
699 x->preserve_links = 0;
700 x->preserve_mode = 0;
701 x->preserve_timestamps = 0;
703 x->require_preserve = 0;
705 x->sparse_mode = SPARSE_AUTO;
706 x->symbolic_link = 0;
713 /* Find out the current file creation mask, to knock the right bits
714 when using chmod. The creation mask is set to be liberal, so
715 that created directories can be written, even if it would not
716 have been allowed with the mask this process was started with. */
717 x->umask_kill = ~ umask (0);
725 /* Given a string, ARG, containing a comma-separated list of arguments
726 to the --preserve option, set the appropriate fields of X to ON_OFF. */
728 decode_preserve_arg (char const *arg, struct cp_options *x, int on_off)
738 static enum File_attribute const preserve_vals[] =
740 PRESERVE_MODE, PRESERVE_TIMESTAMPS,
741 PRESERVE_OWNERSHIP, PRESERVE_LINK, PRESERVE_ALL
744 /* Valid arguments to the `--preserve' option. */
745 static char const* const preserve_args[] =
747 "mode", "timestamps",
748 "ownership", "links", "all", 0
751 char *arg_writable = xstrdup (arg);
752 char *s = arg_writable;
755 /* find next comma */
756 char *comma = strchr (s, ',');
757 enum File_attribute val;
759 /* If we found a comma, put a NUL in its place and advance. */
764 val = XARGMATCH ("--preserve", s, preserve_args, preserve_vals);
768 x->preserve_mode = on_off;
771 case PRESERVE_TIMESTAMPS:
772 x->preserve_timestamps = on_off;
775 case PRESERVE_OWNERSHIP:
776 x->preserve_ownership = on_off;
780 x->preserve_links = on_off;
784 x->preserve_mode = on_off;
785 x->preserve_timestamps = on_off;
786 x->preserve_ownership = on_off;
787 x->preserve_links = on_off;
801 main (int argc, char **argv)
805 int make_backups = 0;
806 char *backup_suffix_string;
807 char *version_control_string = NULL;
809 int copy_contents = 0;
810 char *target_directory = NULL;
811 bool no_target_directory = false;
813 initialize_main (&argc, &argv);
814 program_name = argv[0];
815 setlocale (LC_ALL, "");
816 bindtextdomain (PACKAGE, LOCALEDIR);
817 textdomain (PACKAGE);
819 atexit (close_stdout);
823 /* FIXME: consider not calling getenv for SIMPLE_BACKUP_SUFFIX unless
824 we'll actually use backup_suffix_string. */
825 backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
827 while ((c = getopt_long (argc, argv, "abdfHilLprsuvxPRS:V:", long_opts, NULL))
836 x.sparse_mode = XARGMATCH ("--sparse", optarg,
837 sparse_type_string, sparse_type);
840 case 'a': /* Like -dpPR. */
841 x.dereference = DEREF_NEVER;
842 x.preserve_links = 1;
843 x.preserve_ownership = 1;
845 x.preserve_timestamps = 1;
846 x.require_preserve = 1;
850 case 'V': /* FIXME: this is deprecated. Remove it in 2001. */
852 _("warning: --version-control (-V) is obsolete; support for\
853 it\nwill be removed in some future release. Use --backup=%s instead."
860 version_control_string = optarg;
863 case COPY_CONTENTS_OPTION:
868 x.preserve_links = 1;
869 x.dereference = DEREF_NEVER;
873 x.unlink_dest_after_failed_open = 1;
877 x.dereference = DEREF_COMMAND_LINE_ARGUMENTS;
881 x.interactive = I_ASK_USER;
889 x.dereference = DEREF_ALWAYS;
893 x.dereference = DEREF_NEVER;
896 case NO_PRESERVE_ATTRIBUTES_OPTION:
897 decode_preserve_arg (optarg, &x, 0);
900 case NO_TARGET_DIRECTORY_OPTION:
901 no_target_directory = true;
904 case PRESERVE_ATTRIBUTES_OPTION:
907 /* Fall through to the case for `p' below. */
911 decode_preserve_arg (optarg, &x, 1);
912 x.require_preserve = 1;
917 x.preserve_ownership = 1;
919 x.preserve_timestamps = 1;
920 x.require_preserve = 1;
933 x.interactive = XARGMATCH ("--reply", optarg,
934 reply_args, reply_vals);
937 case UNLINK_DEST_BEFORE_OPENING:
938 x.unlink_dest_before_opening = 1;
941 case STRIP_TRAILING_SLASHES_OPTION:
942 remove_trailing_slashes = 1;
949 error (EXIT_FAILURE, 0,
950 _("symbolic links are not supported on this system"));
954 case TARGET_DIRECTORY_OPTION:
955 if (target_directory)
956 error (EXIT_FAILURE, 0,
957 _("multiple target directories specified"));
961 if (stat (optarg, &st) != 0)
962 error (EXIT_FAILURE, errno, _("accessing %s"), quote (optarg));
963 if (! S_ISDIR (st.st_mode))
964 error (EXIT_FAILURE, 0, _("target %s is not a directory"),
967 target_directory = optarg;
979 x.one_file_system = 1;
984 backup_suffix_string = optarg;
987 case_GETOPT_HELP_CHAR;
989 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
992 usage (EXIT_FAILURE);
996 if (x.hard_link && x.symbolic_link)
998 error (0, 0, _("cannot make both hard and symbolic links"));
999 usage (EXIT_FAILURE);
1002 if (backup_suffix_string)
1003 simple_backup_suffix = xstrdup (backup_suffix_string);
1005 x.backup_type = (make_backups
1006 ? xget_version (_("backup type"),
1007 version_control_string)
1010 if (x.preserve_mode == 1)
1011 x.umask_kill = ~ (mode_t) 0;
1013 if (x.dereference == DEREF_UNDEFINED)
1016 /* This is compatible with FreeBSD. */
1017 x.dereference = DEREF_NEVER;
1019 x.dereference = DEREF_ALWAYS;
1022 /* The key difference between -d (--no-dereference) and not is the version
1023 of `stat' to call. */
1026 x.copy_as_regular = copy_contents;
1028 /* If --force (-f) was specified and we're in link-creation mode,
1029 first remove any existing destination file. */
1030 if (x.unlink_dest_after_failed_open && (x.hard_link || x.symbolic_link))
1031 x.unlink_dest_before_opening = 1;
1033 /* Allocate space for remembering copied and created files. */
1037 exit_status = do_copy (argc - optind, argv + optind,
1038 target_directory, no_target_directory, &x);