1 /* cp.c -- file copying (main routines)
2 Copyright (C) 89, 90, 91, 1995-2001 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. */
26 #include <sys/types.h>
32 #include "backupfile.h"
37 #include "path-concat.h"
40 #define ASSIGN_BASENAME_STRDUPA(Dest, File_name) \
44 ASSIGN_STRDUPA (tmp_abns_, (File_name)); \
45 strip_trailing_slashes (tmp_abns_); \
46 Dest = base_name (tmp_abns_); \
50 /* The official name of this program (e.g., no `g' prefix). */
51 #define PROGRAM_NAME "cp"
53 #define AUTHORS N_ ("Torbjorn Granlund, David MacKenzie, and Jim Meyering")
55 #ifndef _POSIX_VERSION
59 /* Used by do_copy, make_path_private, and re_protect
60 to keep a list of leading directories whose protections
61 need to be fixed after copying. */
66 struct dir_attr *next;
69 /* For long options that have no equivalent short option, use a
70 non-character as a pseudo short option, starting with CHAR_MAX + 1. */
73 NO_DEREFERENCE_OPTION = CHAR_MAX + 1,
74 NO_PRESERVE_ATTRIBUTES_OPTION,
76 PRESERVE_ATTRIBUTES_OPTION,
79 STRIP_TRAILING_SLASHES_OPTION,
80 TARGET_DIRECTORY_OPTION,
81 UNLINK_DEST_BEFORE_OPENING
84 /* Initial number of entries in each hash table entry's table of inodes. */
85 #define INITIAL_HASH_MODULE 100
87 /* Initial number of entries in the inode hash table. */
88 #define INITIAL_ENTRY_TAB_SIZE 70
90 /* The invocation name of this program. */
93 /* If nonzero, the command "cp x/e_file e_dir" uses "e_dir/x/e_file"
94 as its destination instead of the usual "e_dir/e_file." */
95 static int flag_path = 0;
97 /* Remove any trailing slashes from each SOURCE argument. */
98 static int remove_trailing_slashes;
100 static char const *const sparse_type_string[] =
102 "never", "auto", "always", 0
105 static enum Sparse_type const sparse_type[] =
107 SPARSE_NEVER, SPARSE_AUTO, SPARSE_ALWAYS
110 /* Valid arguments to the `--reply' option. */
111 static char const* const reply_args[] =
113 "yes", "no", "query", 0
116 /* The values that correspond to the above strings. */
117 static int const reply_vals[] =
119 I_ALWAYS_YES, I_ALWAYS_NO, I_ASK_USER
122 /* The error code to return to the system. */
123 static int exit_status = 0;
125 static struct option const long_opts[] =
127 {"archive", no_argument, NULL, 'a'},
128 {"backup", optional_argument, NULL, 'b'},
129 {"dereference", no_argument, NULL, 'L'},
130 {"force", no_argument, NULL, 'f'},
131 {"interactive", no_argument, NULL, 'i'},
132 {"link", no_argument, NULL, 'l'},
133 {"no-dereference", no_argument, NULL, NO_DEREFERENCE_OPTION},
134 {"no-preserve", required_argument, NULL, NO_PRESERVE_ATTRIBUTES_OPTION},
135 {"one-file-system", no_argument, NULL, 'x'},
136 {"parents", no_argument, NULL, PARENTS_OPTION},
137 {"path", no_argument, NULL, PARENTS_OPTION}, /* Deprecated. */
138 {"preserve", optional_argument, NULL, PRESERVE_ATTRIBUTES_OPTION},
139 {"recursive", no_argument, NULL, 'R'},
140 {"remove-destination", no_argument, NULL, UNLINK_DEST_BEFORE_OPENING},
141 {"reply", required_argument, NULL, REPLY_OPTION},
142 {"sparse", required_argument, NULL, SPARSE_OPTION},
143 {"strip-trailing-slashes", no_argument, NULL, STRIP_TRAILING_SLASHES_OPTION},
144 {"suffix", required_argument, NULL, 'S'},
145 {"symbolic-link", no_argument, NULL, 's'},
146 {"target-directory", required_argument, NULL, TARGET_DIRECTORY_OPTION},
147 {"update", no_argument, NULL, 'u'},
148 {"verbose", no_argument, NULL, 'v'},
149 {"version-control", required_argument, NULL, 'V'}, /* Deprecated. FIXME. */
150 {GETOPT_HELP_OPTION_DECL},
151 {GETOPT_VERSION_OPTION_DECL},
159 fprintf (stderr, _("Try `%s --help' for more information.\n"),
164 Usage: %s [OPTION]... SOURCE DEST\n\
165 or: %s [OPTION]... SOURCE... DIRECTORY\n\
166 or: %s [OPTION]... --target-directory=DIRECTORY SOURCE...\n\
168 program_name, program_name, program_name);
170 Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n\
172 -a, --archive same as -dpR\n\
173 --backup[=CONTROL] make a backup of each existing destination file\n\
174 -b like --backup but does not accept an argument\n\
175 -d same as --no-dereference --preserve=link\n\
176 --no-dereference never follow symbolic links\n\
177 -f, --force if an existing destination file cannot be\n\
178 opened, remove it and try again\n\
179 -i, --interactive prompt before overwrite\n\
180 -H follow command-line symbolic links\n\
183 -l, --link link files instead of copying\n\
184 -L, --dereference always follow symbolic links\n\
185 -p same as --preserve=mode,ownership,timestamps\n\
186 --preserve[=ATTR_LIST] preserve the specified attributes (default:\n\
187 mode,ownership,timestamps), if possible\n\
188 additional attributes: links, all\n\
189 --no-preserve=ATTR_LIST don't preserve the specified attributes\n\
190 --parents append source path to DIRECTORY\n\
191 -P same as `--parents' for now; soon to change to\n\
192 `--no-dereference' to conform to POSIX\n\
193 -r copy recursively, non-directories as files\n\
194 WARNING: use -R instead when you might copy\n\
195 special files like FIFOs or /dev/zero\n\
196 --remove-destination remove each existing destination file before\n\
197 attempting to open it (contrast with --force)\n\
200 --sparse=WHEN control creation of sparse files\n\
201 -R, --recursive copy directories recursively\n\
202 --reply={yes,no,query} specify how to handle the prompt about an\n\
203 existing destination file\n\
204 --strip-trailing-slashes remove any trailing slashes from each SOURCE\n\
206 -s, --symbolic-link make symbolic links instead of copying\n\
207 -S, --suffix=SUFFIX override the usual backup suffix\n\
208 --target-directory=DIRECTORY move all SOURCE arguments into DIRECTORY\n\
209 -u, --update copy only when the SOURCE file is newer\n\
210 than the destination file or when the\n\
211 destination file is missing\n\
214 -v, --verbose explain what is being done\n\
215 -x, --one-file-system stay on this file system\n\
216 --help display this help and exit\n\
217 --version output version information and exit\n\
219 By default, sparse SOURCE files are detected by a crude heuristic and the\n\
220 corresponding DEST file is made sparse as well. That is the behavior\n\
221 selected by --sparse=auto. Specify --sparse=always to create a sparse DEST\n\
222 file whenever the SOURCE file contains a long enough sequence of zero bytes.\n\
223 Use --sparse=never to inhibit creation of sparse files.\n\
227 The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
228 The version control method may be selected via the --backup option or through\n\
229 the VERSION_CONTROL environment variable. Here are the values:\n\
231 none, off never make backups (even if --backup is given)\n\
232 numbered, t make numbered backups\n\
233 existing, nil numbered if numbered backups exist, simple otherwise\n\
234 simple, never always make simple backups\n\
238 As a special case, cp makes a backup of SOURCE when the force and backup\n\
239 options are given and SOURCE and DEST are the same name for an existing,\n\
242 puts (_("\nReport bugs to <bug-fileutils@gnu.org>."));
247 /* Ensure that the parent directories of CONST_DST_PATH have the
248 correct protections, for the --parents option. This is done
249 after all copying has been completed, to allow permissions
250 that don't include user write/execute.
252 SRC_OFFSET is the index in CONST_DST_PATH of the beginning of the
253 source directory name.
255 ATTR_LIST is a null-terminated linked list of structures that
256 indicates the end of the filename of each intermediate directory
257 in CONST_DST_PATH that may need to have its attributes changed.
258 The command `cp --parents --preserve a/b/c d/e_dir' changes the
259 attributes of the directories d/e_dir/a and d/e_dir/a/b to match
260 the corresponding source directories regardless of whether they
261 existed before the `cp' command was given.
263 Return 0 if the parent of CONST_DST_PATH and any intermediate
264 directories specified by ATTR_LIST have the proper permissions
265 when done, otherwise 1. */
268 re_protect (const char *const_dst_path, int src_offset,
269 struct dir_attr *attr_list, const struct cp_options *x)
272 char *dst_path; /* A copy of CONST_DST_PATH we can change. */
273 char *src_path; /* The source name in `dst_path'. */
274 uid_t myeuid = geteuid ();
276 dst_path = (char *) alloca (strlen (const_dst_path) + 1);
277 strcpy (dst_path, const_dst_path);
278 src_path = dst_path + src_offset;
280 for (p = attr_list; p; p = p->next)
284 dst_path[p->slash_offset] = '\0';
286 if ((*(x->xstat)) (src_path, &src_sb))
288 error (0, errno, _("getting attributes of %s"),
293 /* Adjust the times (and if possible, ownership) for the copy.
294 chown turns off set[ug]id bits for non-root,
295 so do the chmod last. */
297 if (x->preserve_timestamps)
301 /* There's currently no interface to set file timestamps with
302 better than 1-second resolution, so discard any fractional
303 part of the source timestamp. */
305 utb.actime = src_sb.st_atime;
306 utb.modtime = src_sb.st_mtime;
308 if (utime (dst_path, &utb))
310 error (0, errno, _("preserving times for %s"), quote (dst_path));
315 if (x->preserve_ownership)
317 /* If non-root uses -p, it's ok if we can't preserve ownership.
318 But root probably wants to know, e.g. if NFS disallows it,
319 or if the target system doesn't support file ownership. */
320 if (chown (dst_path, src_sb.st_uid, src_sb.st_gid)
321 && ((errno != EPERM && errno != EINVAL) || myeuid == 0))
323 error (0, errno, _("preserving ownership for %s"),
329 if (x->preserve_mode || p->is_new_dir)
331 if (chmod (dst_path, src_sb.st_mode & x->umask_kill))
333 error (0, errno, _("preserving permissions for %s"),
339 dst_path[p->slash_offset] = '/';
344 /* Ensure that the parent directory of CONST_DIRPATH exists, for
345 the --parents option.
347 SRC_OFFSET is the index in CONST_DIRPATH (which is a destination
348 path) of the beginning of the source directory name.
349 Create any leading directories that don't already exist,
350 giving them permissions MODE.
351 If VERBOSE_FMT_STRING is nonzero, use it as a printf format
352 string for printing a message after successfully making a directory.
353 The format should take two string arguments: the names of the
354 source and destination directories.
355 Creates a linked list of attributes of intermediate directories,
356 *ATTR_LIST, for re_protect to use after calling copy.
357 Sets *NEW_DST to 1 if this function creates parent of CONST_DIRPATH.
359 Return 0 if parent of CONST_DIRPATH exists as a directory with the proper
360 permissions when done, otherwise 1. */
362 /* FIXME: find a way to synch this function with the one in lib/makepath.c. */
365 make_path_private (const char *const_dirpath, int src_offset, int mode,
366 const char *verbose_fmt_string, struct dir_attr **attr_list,
367 int *new_dst, int (*xstat)())
370 char *dirpath; /* A copy of CONST_DIRPATH we can change. */
371 char *src; /* Source name in `dirpath'. */
372 char *dst_dirname; /* Leading path of `dirpath'. */
373 size_t dirlen; /* Length of leading path of `dirpath'. */
375 dirpath = (char *) alloca (strlen (const_dirpath) + 1);
376 strcpy (dirpath, const_dirpath);
378 src = dirpath + src_offset;
380 dirlen = dir_len (dirpath);
381 dst_dirname = (char *) alloca (dirlen + 1);
382 memcpy (dst_dirname, dirpath, dirlen);
383 dst_dirname[dirlen] = '\0';
387 if ((*xstat) (dst_dirname, &stats))
389 /* Parent of CONST_DIRNAME does not exist.
390 Make all missing intermediate directories. */
394 while (*slash == '/')
396 while ((slash = strchr (slash, '/')))
398 /* Add this directory to the list of directories whose modes need
400 struct dir_attr *new =
401 (struct dir_attr *) xmalloc (sizeof (struct dir_attr));
402 new->slash_offset = slash - dirpath;
403 new->next = *attr_list;
407 if ((*xstat) (dirpath, &stats))
409 /* This element of the path does not exist. We must set
410 *new_dst and new->is_new_dir inside this loop because,
411 for example, in the command `cp --parents ../a/../b/c e_dir',
412 make_path_private creates only e_dir/../a if ./b already
416 if (mkdir (dirpath, mode))
418 error (0, errno, _("cannot make directory %s"),
424 if (verbose_fmt_string != NULL)
425 printf (verbose_fmt_string, src, dirpath);
428 else if (!S_ISDIR (stats.st_mode))
430 error (0, 0, _("%s exists but is not a directory"),
441 /* Avoid unnecessary calls to `stat' when given
442 pathnames containing multiple adjacent slashes. */
443 while (*slash == '/')
448 /* We get here if the parent of `dirpath' already exists. */
450 else if (!S_ISDIR (stats.st_mode))
452 error (0, 0, _("%s exists but is not a directory"), quote (dst_dirname));
462 /* Scan the arguments, and copy each by calling copy.
463 Return 0 if successful, 1 if any errors occur. */
466 do_copy (int n_files, char **file, const char *target_directory,
467 const struct cp_options *x)
477 error (0, 0, _("missing file arguments"));
480 if (n_files == 1 && !target_directory)
482 error (0, 0, _("missing destination file"));
486 if (target_directory)
487 dest = target_directory;
490 dest = file[n_files - 1];
494 /* Initialize the hash table only if we'll need it.
495 The problem it is used to detect can arise only if there are
496 two or more files to copy. */
500 if (lstat (dest, &sb))
504 error (0, errno, _("accessing %s"), quote (dest));
514 /* If `dest' is not a symlink to a nonexistent file, use
515 the results of stat instead of lstat, so we can copy files
516 into symlinks to directories. */
517 if (stat (dest, &sbx) == 0)
520 dest_is_dir = S_ISDIR (sb.st_mode);
525 if (target_directory)
527 error (0, 0, _("specified target, %s is not a directory"),
535 _("copying multiple files, but last argument %s is not a directory"),
543 /* cp file1...filen edir
544 Copy the files `file1' through `filen'
545 to the existing directory `edir'. */
548 for (i = 0; i < n_files; i++)
551 int parent_exists = 1; /* True if dir_name (dst_path) exists. */
552 struct dir_attr *attr_list;
553 char *arg_in_concat = NULL;
556 /* Trailing slashes are meaningful (i.e., maybe worth preserving)
557 only in the source file names. */
558 if (remove_trailing_slashes)
559 strip_trailing_slashes (arg);
563 char *arg_no_trailing_slash;
565 /* Use `arg' without trailing slashes in constructing destination
566 file names. Otherwise, we can end up trying to create a
567 directory via `mkdir ("dst/foo/"...', which is not portable.
568 It fails, due to the trailing slash, on at least
569 NetBSD 1.[34] systems. */
570 ASSIGN_STRDUPA (arg_no_trailing_slash, arg);
571 strip_trailing_slashes (arg_no_trailing_slash);
573 /* Append all of `arg' (minus any trailing slash) to `dest'. */
574 dst_path = path_concat (dest, arg_no_trailing_slash,
576 if (dst_path == NULL)
579 /* For --parents, we have to make sure that the directory
580 dir_name (dst_path) exists. We may have to create a few
581 leading directories. */
582 parent_exists = !make_path_private (dst_path,
583 arg_in_concat - dst_path,
586 ? "%s -> %s\n" : NULL),
587 &attr_list, &new_dst,
593 /* Append the last component of `arg' to `dest'. */
595 ASSIGN_BASENAME_STRDUPA (arg_base, arg);
596 /* For `cp -R source/.. dest', don't copy into `dest/..'. */
597 dst_path = (STREQ (arg_base, "..")
599 : path_concat (dest, arg_base, NULL));
604 /* make_path_private failed, so don't even attempt the copy. */
610 ret |= copy (arg, dst_path, new_dst, x, ©_into_self, NULL);
614 ret |= re_protect (dst_path, arg_in_concat - dst_path,
623 else /* if (n_files == 1) */
628 struct stat source_stats;
633 _("when preserving paths, the destination must be a directory"));
639 /* When the force and backup options have been specified and
640 the source and destination are the same name for an existing
641 regular file, convert the user's command, e.g.,
642 `cp --force --backup foo foo' to `cp --force foo fooSUFFIX'
643 where SUFFIX is determined by any version control options used. */
645 if (x->unlink_dest_after_failed_open
646 && x->backup_type != none
647 && STREQ (source, dest)
648 && !new_dst && S_ISREG (sb.st_mode))
650 static struct cp_options x_tmp;
652 new_dest = find_backup_file_name (dest, x->backup_type);
653 /* Set x->backup_type to `none' so that the normal backup
654 mechanism is not used when performing the actual copy.
655 backup_type must be set to `none' only *after* the above
656 call to find_backup_file_name -- that function uses
657 backup_type to determine the suffix it applies. */
659 x_tmp.backup_type = none;
662 if (new_dest == NULL)
666 /* When the destination is specified with a trailing slash and the
667 source exists but is not a directory, convert the user's command
668 `cp source dest/' to `cp source dest/basename(source)'. Doing
669 this ensures that the command `cp non-directory file/' will now
670 fail rather than performing the copy. COPY diagnoses the case of
671 `cp directory non-directory'. */
673 else if (dest[strlen (dest) - 1] == '/'
674 && lstat (source, &source_stats) == 0
675 && !S_ISDIR (source_stats.st_mode))
679 ASSIGN_BASENAME_STRDUPA (source_base, source);
680 new_dest = (char *) alloca (strlen (dest)
681 + strlen (source_base) + 1);
682 stpcpy (stpcpy (new_dest, dest), source_base);
686 new_dest = (char *) dest;
689 return copy (source, new_dest, new_dst, x, &unused, NULL);
696 cp_option_init (struct cp_options *x)
698 x->copy_as_regular = 1;
699 x->dereference = DEREF_UNDEFINED;
700 x->unlink_dest_before_opening = 0;
701 x->unlink_dest_after_failed_open = 0;
703 x->interactive = I_UNSPECIFIED;
704 x->myeuid = geteuid ();
706 x->one_file_system = 0;
708 x->preserve_ownership = 0;
709 x->preserve_links = 0;
710 x->preserve_mode = 0;
711 x->preserve_timestamps = 0;
713 x->require_preserve = 0;
715 x->sparse_mode = SPARSE_AUTO;
716 x->symbolic_link = 0;
723 /* Find out the current file creation mask, to knock the right bits
724 when using chmod. The creation mask is set to be liberal, so
725 that created directories can be written, even if it would not
726 have been allowed with the mask this process was started with. */
727 x->umask_kill = ~ umask (0);
733 /* Given a string, ARG, containing a comma-separated list of arguments
734 to the --preserve option, set the appropriate fields of X to ON_OFF. */
736 decode_preserve_arg (char const *arg, struct cp_options *x, int on_off)
746 static enum File_attribute const preserve_vals[] =
748 PRESERVE_MODE, PRESERVE_TIMESTAMPS,
749 PRESERVE_OWNERSHIP, PRESERVE_LINK, PRESERVE_ALL
752 /* Valid arguments to the `--reply' option. */
753 static char const* const preserve_args[] =
755 "mode", "timestamps",
756 "ownership", "links", "all", 0
759 char *arg_writable = xstrdup (arg);
760 char *s = arg_writable;
763 /* find next comma */
764 char *comma = strchr (s, ',');
765 enum File_attribute val;
767 /* put a NUL in its place */
772 val = XARGMATCH ("--preserve", s, preserve_args, preserve_vals);
776 x->preserve_mode = on_off;
779 case PRESERVE_TIMESTAMPS:
780 x->preserve_timestamps = on_off;
783 case PRESERVE_OWNERSHIP:
784 x->preserve_ownership = on_off;
788 x->preserve_links = on_off;
792 x->preserve_mode = on_off;
793 x->preserve_timestamps = on_off;
794 x->preserve_ownership = on_off;
795 x->preserve_links = on_off;
809 main (int argc, char **argv)
812 int make_backups = 0;
813 char *backup_suffix_string;
814 char *version_control_string = NULL;
816 char *target_directory = NULL;
817 int used_P_option = 0;
819 program_name = argv[0];
820 setlocale (LC_ALL, "");
821 bindtextdomain (PACKAGE, LOCALEDIR);
822 textdomain (PACKAGE);
824 atexit (close_stdout);
828 /* FIXME: consider not calling getenv for SIMPLE_BACKUP_SUFFIX unless
829 we'll actually use backup_suffix_string. */
830 backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
832 while ((c = getopt_long (argc, argv, "abdfHilLprsuvxPRS:V:", long_opts, NULL))
841 x.sparse_mode = XARGMATCH ("--sparse", optarg,
842 sparse_type_string, sparse_type);
845 case 'a': /* Like -dpR. */
846 x.dereference = DEREF_NEVER;
847 x.preserve_links = 1;
848 x.preserve_ownership = 1;
850 x.preserve_timestamps = 1;
851 x.require_preserve = 1;
853 x.copy_as_regular = 0;
856 case 'V': /* FIXME: this is deprecated. Remove it in 2001. */
858 _("warning: --version-control (-V) is obsolete; support for\
859 it\nwill be removed in some future release. Use --backup=%s instead."
866 version_control_string = optarg;
870 x.preserve_links = 1;
871 x.dereference = DEREF_NEVER;
875 x.unlink_dest_after_failed_open = 1;
879 x.dereference = DEREF_COMMAND_LINE_ARGUMENTS;
883 x.interactive = I_ASK_USER;
891 x.dereference = DEREF_ALWAYS;
894 case NO_DEREFERENCE_OPTION:
895 x.dereference = DEREF_NEVER;
898 case NO_PRESERVE_ATTRIBUTES_OPTION:
899 decode_preserve_arg (optarg, &x, 0);
902 case PRESERVE_ATTRIBUTES_OPTION:
905 /* Fall through to the case for `p' below. */
909 decode_preserve_arg (optarg, &x, 1);
910 x.require_preserve = 1;
915 x.preserve_ownership = 1;
917 x.preserve_timestamps = 1;
918 x.require_preserve = 1;
930 x.copy_as_regular = 1;
935 x.copy_as_regular = 0;
939 x.interactive = XARGMATCH ("--reply", optarg,
940 reply_args, reply_vals);
943 case UNLINK_DEST_BEFORE_OPENING:
944 x.unlink_dest_before_opening = 1;
947 case STRIP_TRAILING_SLASHES_OPTION:
948 remove_trailing_slashes = 1;
955 error (1, 0, _("symbolic links are not supported on this system"));
959 case TARGET_DIRECTORY_OPTION:
960 target_directory = optarg;
972 x.one_file_system = 1;
977 backup_suffix_string = optarg;
980 case_GETOPT_HELP_CHAR;
982 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
989 if (x.hard_link && x.symbolic_link)
991 error (0, 0, _("cannot make both hard and symbolic links"));
999 Warning: the meaning of `-P' will change in the future to conform to POSIX.\n\
1000 Use `--parents' for the old meaning, and `--no-dereference' for the new one."));
1003 if (backup_suffix_string)
1004 simple_backup_suffix = xstrdup (backup_suffix_string);
1006 x.backup_type = (make_backups
1007 ? xget_version (_("backup type"),
1008 version_control_string)
1011 if (x.preserve_mode == 1)
1012 x.umask_kill = ~ (mode_t) 0;
1014 if (x.dereference == DEREF_UNDEFINED)
1017 /* This is compatible with FreeBSD. */
1018 x.dereference = DEREF_NEVER;
1020 x.dereference = DEREF_ALWAYS;
1023 /* The key difference between -d (--no-dereference) and not is the version
1024 of `stat' to call. */
1026 if (x.dereference == DEREF_NEVER)
1030 /* For DEREF_COMMAND_LINE_ARGUMENTS, x.xstat must be stat for
1031 each command line argument, but must later be `lstat' for
1032 any symlinks that are found via recursive traversal. */
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 = 1;
1041 /* Allocate space for remembering copied and created files. */
1045 exit_status |= do_copy (argc - optind, argv + optind, target_directory, &x);