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_PRESERVE_ATTRIBUTES_OPTION = CHAR_MAX + 1,
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 /* The error code to return to the system. */
122 static int exit_status = 0;
124 static struct option const long_opts[] =
126 {"archive", no_argument, NULL, 'a'},
127 {"backup", optional_argument, NULL, 'b'},
128 {"dereference", no_argument, NULL, 'L'},
129 {"force", no_argument, NULL, 'f'},
130 {"interactive", no_argument, NULL, 'i'},
131 {"link", no_argument, NULL, 'l'},
132 {"no-dereference", no_argument, NULL, 'P'},
133 {"no-preserve", required_argument, NULL, NO_PRESERVE_ATTRIBUTES_OPTION},
134 {"one-file-system", no_argument, NULL, 'x'},
135 {"parents", no_argument, NULL, PARENTS_OPTION},
136 {"path", no_argument, NULL, PARENTS_OPTION}, /* Deprecated. */
137 {"preserve", optional_argument, NULL, PRESERVE_ATTRIBUTES_OPTION},
138 {"recursive", no_argument, NULL, 'R'},
139 {"remove-destination", no_argument, NULL, UNLINK_DEST_BEFORE_OPENING},
140 {"reply", required_argument, NULL, REPLY_OPTION},
141 {"sparse", required_argument, NULL, SPARSE_OPTION},
142 {"strip-trailing-slashes", no_argument, NULL, STRIP_TRAILING_SLASHES_OPTION},
143 {"suffix", required_argument, NULL, 'S'},
144 {"symbolic-link", no_argument, NULL, 's'},
145 {"target-directory", required_argument, NULL, TARGET_DIRECTORY_OPTION},
146 {"update", no_argument, NULL, 'u'},
147 {"verbose", no_argument, NULL, 'v'},
148 {"version-control", required_argument, NULL, 'V'}, /* Deprecated. FIXME. */
149 {GETOPT_HELP_OPTION_DECL},
150 {GETOPT_VERSION_OPTION_DECL},
158 fprintf (stderr, _("Try `%s --help' for more information.\n"),
163 Usage: %s [OPTION]... SOURCE DEST\n\
164 or: %s [OPTION]... SOURCE... DIRECTORY\n\
165 or: %s [OPTION]... --target-directory=DIRECTORY SOURCE...\n\
167 program_name, program_name, program_name);
169 Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n\
173 Mandatory arguments to long options are mandatory for short options too.\n\
176 -a, --archive same as -dpR\n\
177 --backup[=CONTROL] make a backup of each existing destination file\n\
178 -b like --backup but does not accept an argument\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 copy recursively, non-directories as files\n\
203 WARNING: use -R instead when you might copy\n\
204 special files like FIFOs or /dev/zero\n\
205 --remove-destination remove each existing destination file before\n\
206 attempting to open it (contrast with --force)\n\
209 --sparse=WHEN control creation of sparse files\n\
210 -R, --recursive copy directories recursively\n\
211 --reply={yes,no,query} specify how to handle the prompt about an\n\
212 existing destination file\n\
213 --strip-trailing-slashes remove any trailing slashes from each SOURCE\n\
217 -s, --symbolic-link make symbolic links instead of copying\n\
218 -S, --suffix=SUFFIX override the usual backup suffix\n\
219 --target-directory=DIRECTORY move all SOURCE arguments into DIRECTORY\n\
222 -u, --update copy only when the SOURCE file is newer\n\
223 than the destination file or when the\n\
224 destination file is missing\n\
225 -v, --verbose explain what is being done\n\
226 -x, --one-file-system stay on this file system\n\
229 --help display this help and exit\n\
230 --version output version information and exit\n\
234 By default, sparse SOURCE files are detected by a crude heuristic and the\n\
235 corresponding DEST file is made sparse as well. That is the behavior\n\
236 selected by --sparse=auto. Specify --sparse=always to create a sparse DEST\n\
237 file whenever the SOURCE file contains a long enough sequence of zero bytes.\n\
238 Use --sparse=never to inhibit creation of sparse files.\n\
242 The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
243 The version control method may be selected via the --backup option or through\n\
244 the VERSION_CONTROL environment variable. Here are the values:\n\
248 none, off never make backups (even if --backup is given)\n\
249 numbered, t make numbered backups\n\
250 existing, nil numbered if numbered backups exist, simple otherwise\n\
251 simple, never always make simple backups\n\
255 As a special case, cp makes a backup of SOURCE when the force and backup\n\
256 options are given and SOURCE and DEST are the same name for an existing,\n\
259 puts (_("\nReport bugs to <bug-fileutils@gnu.org>."));
264 /* Ensure that the parent directories of CONST_DST_PATH have the
265 correct protections, for the --parents option. This is done
266 after all copying has been completed, to allow permissions
267 that don't include user write/execute.
269 SRC_OFFSET is the index in CONST_DST_PATH of the beginning of the
270 source directory name.
272 ATTR_LIST is a null-terminated linked list of structures that
273 indicates the end of the filename of each intermediate directory
274 in CONST_DST_PATH that may need to have its attributes changed.
275 The command `cp --parents --preserve a/b/c d/e_dir' changes the
276 attributes of the directories d/e_dir/a and d/e_dir/a/b to match
277 the corresponding source directories regardless of whether they
278 existed before the `cp' command was given.
280 Return 0 if the parent of CONST_DST_PATH and any intermediate
281 directories specified by ATTR_LIST have the proper permissions
282 when done, otherwise 1. */
285 re_protect (const char *const_dst_path, int src_offset,
286 struct dir_attr *attr_list, const struct cp_options *x)
289 char *dst_path; /* A copy of CONST_DST_PATH we can change. */
290 char *src_path; /* The source name in `dst_path'. */
291 uid_t myeuid = geteuid ();
293 dst_path = (char *) alloca (strlen (const_dst_path) + 1);
294 strcpy (dst_path, const_dst_path);
295 src_path = dst_path + src_offset;
297 for (p = attr_list; p; p = p->next)
301 dst_path[p->slash_offset] = '\0';
303 if ((*(x->xstat)) (src_path, &src_sb))
305 error (0, errno, _("getting attributes of %s"),
310 /* Adjust the times (and if possible, ownership) for the copy.
311 chown turns off set[ug]id bits for non-root,
312 so do the chmod last. */
314 if (x->preserve_timestamps)
318 /* There's currently no interface to set file timestamps with
319 better than 1-second resolution, so discard any fractional
320 part of the source timestamp. */
322 utb.actime = src_sb.st_atime;
323 utb.modtime = src_sb.st_mtime;
325 if (utime (dst_path, &utb))
327 error (0, errno, _("preserving times for %s"), quote (dst_path));
332 if (x->preserve_ownership)
334 /* If non-root uses -p, it's ok if we can't preserve ownership.
335 But root probably wants to know, e.g. if NFS disallows it,
336 or if the target system doesn't support file ownership. */
337 if (chown (dst_path, src_sb.st_uid, src_sb.st_gid)
338 && ((errno != EPERM && errno != EINVAL) || myeuid == 0))
340 error (0, errno, _("preserving ownership for %s"),
346 if (x->preserve_mode || p->is_new_dir)
348 if (chmod (dst_path, src_sb.st_mode & x->umask_kill))
350 error (0, errno, _("preserving permissions for %s"),
356 dst_path[p->slash_offset] = '/';
361 /* Ensure that the parent directory of CONST_DIRPATH exists, for
362 the --parents option.
364 SRC_OFFSET is the index in CONST_DIRPATH (which is a destination
365 path) of the beginning of the source directory name.
366 Create any leading directories that don't already exist,
367 giving them permissions MODE.
368 If VERBOSE_FMT_STRING is nonzero, use it as a printf format
369 string for printing a message after successfully making a directory.
370 The format should take two string arguments: the names of the
371 source and destination directories.
372 Creates a linked list of attributes of intermediate directories,
373 *ATTR_LIST, for re_protect to use after calling copy.
374 Sets *NEW_DST to 1 if this function creates parent of CONST_DIRPATH.
376 Return 0 if parent of CONST_DIRPATH exists as a directory with the proper
377 permissions when done, otherwise 1. */
379 /* FIXME: find a way to synch this function with the one in lib/makepath.c. */
382 make_path_private (const char *const_dirpath, int src_offset, int mode,
383 const char *verbose_fmt_string, struct dir_attr **attr_list,
384 int *new_dst, int (*xstat)())
387 char *dirpath; /* A copy of CONST_DIRPATH we can change. */
388 char *src; /* Source name in `dirpath'. */
389 char *dst_dirname; /* Leading path of `dirpath'. */
390 size_t dirlen; /* Length of leading path of `dirpath'. */
392 dirpath = (char *) alloca (strlen (const_dirpath) + 1);
393 strcpy (dirpath, const_dirpath);
395 src = dirpath + src_offset;
397 dirlen = dir_len (dirpath);
398 dst_dirname = (char *) alloca (dirlen + 1);
399 memcpy (dst_dirname, dirpath, dirlen);
400 dst_dirname[dirlen] = '\0';
404 if ((*xstat) (dst_dirname, &stats))
406 /* Parent of CONST_DIRNAME does not exist.
407 Make all missing intermediate directories. */
411 while (*slash == '/')
413 while ((slash = strchr (slash, '/')))
415 /* Add this directory to the list of directories whose modes need
417 struct dir_attr *new =
418 (struct dir_attr *) xmalloc (sizeof (struct dir_attr));
419 new->slash_offset = slash - dirpath;
420 new->next = *attr_list;
424 if ((*xstat) (dirpath, &stats))
426 /* This element of the path does not exist. We must set
427 *new_dst and new->is_new_dir inside this loop because,
428 for example, in the command `cp --parents ../a/../b/c e_dir',
429 make_path_private creates only e_dir/../a if ./b already
433 if (mkdir (dirpath, mode))
435 error (0, errno, _("cannot make directory %s"),
441 if (verbose_fmt_string != NULL)
442 printf (verbose_fmt_string, src, dirpath);
445 else if (!S_ISDIR (stats.st_mode))
447 error (0, 0, _("%s exists but is not a directory"),
458 /* Avoid unnecessary calls to `stat' when given
459 pathnames containing multiple adjacent slashes. */
460 while (*slash == '/')
465 /* We get here if the parent of `dirpath' already exists. */
467 else if (!S_ISDIR (stats.st_mode))
469 error (0, 0, _("%s exists but is not a directory"), quote (dst_dirname));
479 /* Scan the arguments, and copy each by calling copy.
480 Return 0 if successful, 1 if any errors occur. */
483 do_copy (int n_files, char **file, const char *target_directory,
484 struct cp_options *x)
494 error (0, 0, _("missing file arguments"));
497 if (n_files == 1 && !target_directory)
499 error (0, 0, _("missing destination file"));
503 if (target_directory)
504 dest = target_directory;
507 dest = file[n_files - 1];
511 /* Initialize these hash tables only if we'll need them.
512 The problems they're used to detect can arise only if
513 there are two or more files to copy. */
520 if (lstat (dest, &sb))
524 error (0, errno, _("accessing %s"), quote (dest));
534 /* If `dest' is not a symlink to a nonexistent file, use
535 the results of stat instead of lstat, so we can copy files
536 into symlinks to directories. */
537 if (stat (dest, &sbx) == 0)
540 dest_is_dir = S_ISDIR (sb.st_mode);
545 if (target_directory)
547 error (0, 0, _("specified target, %s is not a directory"),
555 _("copying multiple files, but last argument %s is not a directory"),
563 /* cp file1...filen edir
564 Copy the files `file1' through `filen'
565 to the existing directory `edir'. */
568 for (i = 0; i < n_files; i++)
571 int parent_exists = 1; /* True if dir_name (dst_path) exists. */
572 struct dir_attr *attr_list;
573 char *arg_in_concat = NULL;
576 /* Trailing slashes are meaningful (i.e., maybe worth preserving)
577 only in the source file names. */
578 if (remove_trailing_slashes)
579 strip_trailing_slashes (arg);
583 char *arg_no_trailing_slash;
585 /* Use `arg' without trailing slashes in constructing destination
586 file names. Otherwise, we can end up trying to create a
587 directory via `mkdir ("dst/foo/"...', which is not portable.
588 It fails, due to the trailing slash, on at least
589 NetBSD 1.[34] systems. */
590 ASSIGN_STRDUPA (arg_no_trailing_slash, arg);
591 strip_trailing_slashes (arg_no_trailing_slash);
593 /* Append all of `arg' (minus any trailing slash) to `dest'. */
594 dst_path = path_concat (dest, arg_no_trailing_slash,
596 if (dst_path == NULL)
599 /* For --parents, we have to make sure that the directory
600 dir_name (dst_path) exists. We may have to create a few
601 leading directories. */
602 parent_exists = !make_path_private (dst_path,
603 arg_in_concat - dst_path,
606 ? "%s -> %s\n" : NULL),
607 &attr_list, &new_dst,
613 /* Append the last component of `arg' to `dest'. */
615 ASSIGN_BASENAME_STRDUPA (arg_base, arg);
616 /* For `cp -R source/.. dest', don't copy into `dest/..'. */
617 dst_path = (STREQ (arg_base, "..")
619 : path_concat (dest, arg_base, NULL));
624 /* make_path_private failed, so don't even attempt the copy. */
630 ret |= copy (arg, dst_path, new_dst, x, ©_into_self, NULL);
634 ret |= re_protect (dst_path, arg_in_concat - dst_path,
643 else /* if (n_files == 1) */
648 struct stat source_stats;
653 _("when preserving paths, the destination must be a directory"));
659 /* When the force and backup options have been specified and
660 the source and destination are the same name for an existing
661 regular file, convert the user's command, e.g.,
662 `cp --force --backup foo foo' to `cp --force foo fooSUFFIX'
663 where SUFFIX is determined by any version control options used. */
665 if (x->unlink_dest_after_failed_open
666 && x->backup_type != none
667 && STREQ (source, dest)
668 && !new_dst && S_ISREG (sb.st_mode))
670 static struct cp_options x_tmp;
672 new_dest = find_backup_file_name (dest, x->backup_type);
673 /* Set x->backup_type to `none' so that the normal backup
674 mechanism is not used when performing the actual copy.
675 backup_type must be set to `none' only *after* the above
676 call to find_backup_file_name -- that function uses
677 backup_type to determine the suffix it applies. */
679 x_tmp.backup_type = none;
682 if (new_dest == NULL)
686 /* When the destination is specified with a trailing slash and the
687 source exists but is not a directory, convert the user's command
688 `cp source dest/' to `cp source dest/basename(source)'. Doing
689 this ensures that the command `cp non-directory file/' will now
690 fail rather than performing the copy. COPY diagnoses the case of
691 `cp directory non-directory'. */
693 else if (dest[strlen (dest) - 1] == '/'
694 && lstat (source, &source_stats) == 0
695 && !S_ISDIR (source_stats.st_mode))
699 ASSIGN_BASENAME_STRDUPA (source_base, source);
700 new_dest = (char *) alloca (strlen (dest)
701 + strlen (source_base) + 1);
702 stpcpy (stpcpy (new_dest, dest), source_base);
706 new_dest = (char *) dest;
709 return copy (source, new_dest, new_dst, x, &unused, NULL);
716 cp_option_init (struct cp_options *x)
718 x->copy_as_regular = 1;
719 x->dereference = DEREF_UNDEFINED;
720 x->unlink_dest_before_opening = 0;
721 x->unlink_dest_after_failed_open = 0;
723 x->interactive = I_UNSPECIFIED;
724 x->myeuid = geteuid ();
726 x->one_file_system = 0;
728 x->preserve_ownership = 0;
729 x->preserve_links = 0;
730 x->preserve_mode = 0;
731 x->preserve_timestamps = 0;
733 x->require_preserve = 0;
735 x->sparse_mode = SPARSE_AUTO;
736 x->symbolic_link = 0;
743 /* Find out the current file creation mask, to knock the right bits
744 when using chmod. The creation mask is set to be liberal, so
745 that created directories can be written, even if it would not
746 have been allowed with the mask this process was started with. */
747 x->umask_kill = ~ umask (0);
755 /* Given a string, ARG, containing a comma-separated list of arguments
756 to the --preserve option, set the appropriate fields of X to ON_OFF. */
758 decode_preserve_arg (char const *arg, struct cp_options *x, int on_off)
768 static enum File_attribute const preserve_vals[] =
770 PRESERVE_MODE, PRESERVE_TIMESTAMPS,
771 PRESERVE_OWNERSHIP, PRESERVE_LINK, PRESERVE_ALL
774 /* Valid arguments to the `--reply' option. */
775 static char const* const preserve_args[] =
777 "mode", "timestamps",
778 "ownership", "links", "all", 0
781 char *arg_writable = xstrdup (arg);
782 char *s = arg_writable;
785 /* find next comma */
786 char *comma = strchr (s, ',');
787 enum File_attribute val;
789 /* put a NUL in its place */
794 val = XARGMATCH ("--preserve", s, preserve_args, preserve_vals);
798 x->preserve_mode = on_off;
801 case PRESERVE_TIMESTAMPS:
802 x->preserve_timestamps = on_off;
805 case PRESERVE_OWNERSHIP:
806 x->preserve_ownership = on_off;
810 x->preserve_links = on_off;
814 x->preserve_mode = on_off;
815 x->preserve_timestamps = on_off;
816 x->preserve_ownership = on_off;
817 x->preserve_links = on_off;
831 main (int argc, char **argv)
834 int make_backups = 0;
835 char *backup_suffix_string;
836 char *version_control_string = NULL;
838 char *target_directory = NULL;
840 program_name = argv[0];
841 setlocale (LC_ALL, "");
842 bindtextdomain (PACKAGE, LOCALEDIR);
843 textdomain (PACKAGE);
845 atexit (close_stdout);
849 /* FIXME: consider not calling getenv for SIMPLE_BACKUP_SUFFIX unless
850 we'll actually use backup_suffix_string. */
851 backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
853 while ((c = getopt_long (argc, argv, "abdfHilLprsuvxPRS:V:", long_opts, NULL))
862 x.sparse_mode = XARGMATCH ("--sparse", optarg,
863 sparse_type_string, sparse_type);
866 case 'a': /* Like -dpR. */
867 x.dereference = DEREF_NEVER;
868 x.preserve_links = 1;
869 x.preserve_ownership = 1;
871 x.preserve_timestamps = 1;
872 x.require_preserve = 1;
874 x.copy_as_regular = 0;
877 case 'V': /* FIXME: this is deprecated. Remove it in 2001. */
879 _("warning: --version-control (-V) is obsolete; support for\
880 it\nwill be removed in some future release. Use --backup=%s instead."
887 version_control_string = optarg;
891 x.preserve_links = 1;
892 x.dereference = DEREF_NEVER;
896 x.unlink_dest_after_failed_open = 1;
900 x.dereference = DEREF_COMMAND_LINE_ARGUMENTS;
904 x.interactive = I_ASK_USER;
912 x.dereference = DEREF_ALWAYS;
916 x.dereference = DEREF_NEVER;
919 case NO_PRESERVE_ATTRIBUTES_OPTION:
920 decode_preserve_arg (optarg, &x, 0);
923 case PRESERVE_ATTRIBUTES_OPTION:
926 /* Fall through to the case for `p' below. */
930 decode_preserve_arg (optarg, &x, 1);
931 x.require_preserve = 1;
936 x.preserve_ownership = 1;
938 x.preserve_timestamps = 1;
939 x.require_preserve = 1;
948 x.copy_as_regular = 1;
953 x.copy_as_regular = 0;
957 x.interactive = XARGMATCH ("--reply", optarg,
958 reply_args, reply_vals);
961 case UNLINK_DEST_BEFORE_OPENING:
962 x.unlink_dest_before_opening = 1;
965 case STRIP_TRAILING_SLASHES_OPTION:
966 remove_trailing_slashes = 1;
973 error (1, 0, _("symbolic links are not supported on this system"));
977 case TARGET_DIRECTORY_OPTION:
978 target_directory = optarg;
990 x.one_file_system = 1;
995 backup_suffix_string = optarg;
998 case_GETOPT_HELP_CHAR;
1000 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
1007 if (x.hard_link && x.symbolic_link)
1009 error (0, 0, _("cannot make both hard and symbolic links"));
1013 if (backup_suffix_string)
1014 simple_backup_suffix = xstrdup (backup_suffix_string);
1016 x.backup_type = (make_backups
1017 ? xget_version (_("backup type"),
1018 version_control_string)
1021 if (x.preserve_mode == 1)
1022 x.umask_kill = ~ (mode_t) 0;
1024 if (x.dereference == DEREF_UNDEFINED)
1027 /* This is compatible with FreeBSD. */
1028 x.dereference = DEREF_NEVER;
1030 x.dereference = DEREF_ALWAYS;
1033 /* The key difference between -d (--no-dereference) and not is the version
1034 of `stat' to call. */
1036 if (x.dereference == DEREF_NEVER)
1040 /* For DEREF_COMMAND_LINE_ARGUMENTS, x.xstat must be stat for
1041 each command line argument, but must later be `lstat' for
1042 any symlinks that are found via recursive traversal. */
1046 /* If --force (-f) was specified and we're in link-creation mode,
1047 first remove any existing destination file. */
1048 if (x.unlink_dest_after_failed_open && (x.hard_link || x.symbolic_link))
1049 x.unlink_dest_before_opening = 1;
1051 /* Allocate space for remembering copied and created files. */
1055 exit_status |= do_copy (argc - optind, argv + optind, target_directory, &x);