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diff --git a/cpukit/libmisc/shell/main_cp.c b/cpukit/libmisc/shell/main_cp.c
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+/* $NetBSD: cp.c,v 1.39 2005/10/24 12:59:07 kleink Exp $ */
+
+/*
+ * Copyright (c) 1988, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * David Hitz of Auspex Systems Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if 0
+#ifndef lint
+__COPYRIGHT(
+"@(#) Copyright (c) 1988, 1993, 1994\n\
+ The Regents of the University of California. All rights reserved.\n");
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)cp.c 8.5 (Berkeley) 4/29/95";
+#else
+__RCSID("$NetBSD: cp.c,v 1.39 2005/10/24 12:59:07 kleink Exp $");
+#endif
+#endif /* not lint */
+#endif
+/*
+ * Cp copies source files to target files.
+ *
+ * The global PATH_T structure "to" always contains the path to the
+ * current target file. Since fts(3) does not change directories,
+ * this path can be either absolute or dot-relative.
+ *
+ * The basic algorithm is to initialize "to" and use fts(3) to traverse
+ * the file hierarchy rooted in the argument list. A trivial case is the
+ * case of 'cp file1 file2'. The more interesting case is the case of
+ * 'cp file1 file2 ... fileN dir' where the hierarchy is traversed and the
+ * path (relative to the root of the traversal) is appended to dir (stored
+ * in "to") to form the final target path.
+ */
+
+#include <rtems.h>
+#include <rtems/shell.h>
+#include <rtems/shellconfig.h>
+#define __need_getopt_newlib
+#include <getopt.h>
+
+#include <sys/param.h>
+#include <sys/stat.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fts.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "extern-cp.h"
+
+#define S_ISTXT 0
+
+#define STRIP_TRAILING_SLASH(p) { \
+ while ((p).p_end > (p).p_path + 1 && (p).p_end[-1] == '/') \
+ *--(p).p_end = 0; \
+}
+
+enum op { FILE_TO_FILE, FILE_TO_DIR, DIR_TO_DNE };
+
+static int Rflag, rflag;
+
+static int main_cp(rtems_shell_cp_globals* cp_globals, int, char *[]);
+static int copy(rtems_shell_cp_globals* cp_globals, char *[], enum op, int);
+static int mastercmp(const FTSENT **, const FTSENT **);
+
+void
+rtems_shell_cp_exit (rtems_shell_cp_globals* cp_global, int code __attribute__((unused)))
+{
+ longjmp (cp_global->exit_jmp, 1);
+}
+
+int
+rtems_shell_main_cp(int argc, char *argv[])
+{
+ rtems_shell_cp_globals cp_globals;
+ memset (&cp_globals, 0, sizeof (cp_globals));
+ Rflag = rflag = 0;
+ if (setjmp (cp_globals.exit_jmp) == 0)
+ return main_cp (&cp_globals, argc, argv);
+ return 1;
+}
+
+int
+main_cp(rtems_shell_cp_globals* cp_globals, int argc, char *argv[])
+{
+ struct stat to_stat, tmp_stat;
+ enum op type;
+ int Hflag, Lflag, Pflag, ch, fts_options, r, have_trailing_slash;
+ char *target;
+ struct getopt_data getopt_reent;
+
+ Hflag = Lflag = Pflag = 0;
+ memset(&getopt_reent, 0, sizeof(getopt_data));
+
+ while ((ch = getopt_r(argc, argv, "HLPRafilnprv", &getopt_reent)) != -1)
+ switch (ch) {
+ case 'H':
+ Hflag = 1;
+ Lflag = Pflag = 0;
+ break;
+ case 'L':
+ Lflag = 1;
+ Hflag = Pflag = 0;
+ break;
+ case 'P':
+ Pflag = 1;
+ Hflag = Lflag = 0;
+ break;
+ case 'R':
+ Rflag = 1;
+ break;
+ case 'a':
+ Pflag = 1;
+ pflag = 1;
+ Rflag = 1;
+ Hflag = Lflag = 0;
+ break;
+ case 'f':
+ fflag = 1;
+ iflag = nflag = 0;
+ break;
+ case 'i':
+ iflag = 1;
+ fflag = nflag = 0;
+ break;
+ case 'l':
+ lflag = 1;
+ break;
+ case 'n':
+ nflag = 1;
+ fflag = iflag = 0;
+ break;
+ case 'p':
+ pflag = 1;
+ break;
+ case 'r':
+ rflag = Lflag = 1;
+ Hflag = Pflag = 0;
+ break;
+ case 'v':
+ vflag = 1;
+ break;
+ default:
+ usage(cp_globals);
+ break;
+ }
+ argc -= getopt_reent.optind;
+ argv += getopt_reent.optind;
+
+ if (argc < 2)
+ usage(cp_globals);
+
+ fts_options = FTS_NOCHDIR | FTS_PHYSICAL;
+ if (Rflag && rflag)
+ errx(exit_jump, 1, "the -R and -r options may not be specified together");
+ if (rflag)
+ Rflag = 1;
+ if (Rflag) {
+ if (Hflag)
+ fts_options |= FTS_COMFOLLOW;
+ if (Lflag) {
+ fts_options &= ~FTS_PHYSICAL;
+ fts_options |= FTS_LOGICAL;
+ }
+ } else {
+ fts_options &= ~FTS_PHYSICAL;
+ fts_options |= FTS_LOGICAL | FTS_COMFOLLOW;
+ }
+#if 0
+ (void)signal(SIGINFO, siginfo);
+#endif
+
+ /* Save the target base in "to". */
+ target = argv[--argc];
+ if (strlcpy(to.p_path, target, sizeof(to.p_path)) >= sizeof(to.p_path))
+ errx(exit_jump, 1, "%s: name too long", target);
+ to.p_end = to.p_path + strlen(to.p_path);
+ if (to.p_path == to.p_end) {
+ *to.p_end++ = '.';
+ *to.p_end = 0;
+ }
+ have_trailing_slash = (to.p_end[-1] == '/');
+ if (have_trailing_slash)
+ STRIP_TRAILING_SLASH(to);
+ to.target_end = to.p_end;
+
+ /* Set end of argument list for fts(3). */
+ argv[argc] = NULL;
+
+ /*
+ * Cp has two distinct cases:
+ *
+ * cp [-R] source target
+ * cp [-R] source1 ... sourceN directory
+ *
+ * In both cases, source can be either a file or a directory.
+ *
+ * In (1), the target becomes a copy of the source. That is, if the
+ * source is a file, the target will be a file, and likewise for
+ * directories.
+ *
+ * In (2), the real target is not directory, but "directory/source".
+ */
+ r = stat(to.p_path, &to_stat);
+ if (r == -1 && errno != ENOENT)
+ err(exit_jump, 1, "%s", to.p_path);
+ if (r == -1 || !S_ISDIR(to_stat.st_mode)) {
+ /*
+ * Case (1). Target is not a directory.
+ */
+ if (argc > 1)
+ errx(exit_jump, 1, "%s is not a directory", to.p_path);
+
+ /*
+ * Need to detect the case:
+ * cp -R dir foo
+ * Where dir is a directory and foo does not exist, where
+ * we want pathname concatenations turned on but not for
+ * the initial mkdir().
+ */
+ if (r == -1) {
+ if (Rflag && (Lflag || Hflag))
+ stat(*argv, &tmp_stat);
+ else
+ lstat(*argv, &tmp_stat);
+
+ if (S_ISDIR(tmp_stat.st_mode) && Rflag)
+ type = DIR_TO_DNE;
+ else
+ type = FILE_TO_FILE;
+ } else
+ type = FILE_TO_FILE;
+
+ if (have_trailing_slash && type == FILE_TO_FILE) {
+ if (r == -1)
+ errx(exit_jump, 1, "directory %s does not exist",
+ to.p_path);
+ else
+ errx(exit_jump, 1, "%s is not a directory", to.p_path);
+ }
+ } else
+ /*
+ * Case (2). Target is a directory.
+ */
+ type = FILE_TO_DIR;
+
+ return copy(cp_globals, argv, type, fts_options);
+}
+
+int
+copy(rtems_shell_cp_globals* cp_globals,
+ char *argv[], enum op type, int fts_options)
+{
+ struct stat to_stat;
+ FTS *ftsp;
+ FTSENT *curr;
+ int base = 0, dne, badcp, rval;
+ size_t nlen;
+ char *p, *target_mid;
+ mode_t mask, mode;
+
+ /*
+ * Keep an inverted copy of the umask, for use in correcting
+ * permissions on created directories when not using -p.
+ */
+ mask = ~umask(0777);
+ umask(~mask);
+
+ if ((ftsp = fts_open(argv, fts_options, mastercmp)) == NULL)
+ err(exit_jump, 1, "fts_open");
+ for (badcp = rval = 0; (curr = fts_read(ftsp)) != NULL; badcp = 0) {
+ switch (curr->fts_info) {
+ case FTS_NS:
+ case FTS_DNR:
+ case FTS_ERR:
+ warnx("%s: %s",
+ curr->fts_path, strerror(curr->fts_errno));
+ badcp = rval = 1;
+ continue;
+ case FTS_DC: /* Warn, continue. */
+ warnx("%s: directory causes a cycle", curr->fts_path);
+ badcp = rval = 1;
+ continue;
+ default:
+ ;
+ }
+
+ /*
+ * If we are in case (2) or (3) above, we need to append the
+ * source name to the target name.
+ */
+ if (type != FILE_TO_FILE) {
+ /*
+ * Need to remember the roots of traversals to create
+ * correct pathnames. If there's a directory being
+ * copied to a non-existent directory, e.g.
+ * cp -R a/dir noexist
+ * the resulting path name should be noexist/foo, not
+ * noexist/dir/foo (where foo is a file in dir), which
+ * is the case where the target exists.
+ *
+ * Also, check for "..". This is for correct path
+ * concatenation for paths ending in "..", e.g.
+ * cp -R .. /tmp
+ * Paths ending in ".." are changed to ".". This is
+ * tricky, but seems the easiest way to fix the problem.
+ *
+ * XXX
+ * Since the first level MUST be FTS_ROOTLEVEL, base
+ * is always initialized.
+ */
+ if (curr->fts_level == FTS_ROOTLEVEL) {
+ if (type != DIR_TO_DNE) {
+ p = strrchr(curr->fts_path, '/');
+ base = (p == NULL) ? 0 :
+ (int)(p - curr->fts_path + 1);
+
+ if (!strcmp(&curr->fts_path[base],
+ ".."))
+ base += 1;
+ } else
+ base = curr->fts_pathlen;
+ }
+
+ p = &curr->fts_path[base];
+ nlen = curr->fts_pathlen - base;
+ target_mid = to.target_end;
+ if (*p != '/' && target_mid[-1] != '/')
+ *target_mid++ = '/';
+ *target_mid = 0;
+ if (target_mid - to.p_path + nlen >= PATH_MAX) {
+ warnx("%s%s: name too long (not copied)",
+ to.p_path, p);
+ badcp = rval = 1;
+ continue;
+ }
+ (void)strncat(target_mid, p, nlen);
+ to.p_end = target_mid + nlen;
+ *to.p_end = 0;
+ STRIP_TRAILING_SLASH(to);
+ }
+
+ if (curr->fts_info == FTS_DP) {
+ /*
+ * We are nearly finished with this directory. If we
+ * didn't actually copy it, or otherwise don't need to
+ * change its attributes, then we are done.
+ */
+ if (!curr->fts_number)
+ continue;
+ /*
+ * If -p is in effect, set all the attributes.
+ * Otherwise, set the correct permissions, limited
+ * by the umask. Optimise by avoiding a chmod()
+ * if possible (which is usually the case if we
+ * made the directory). Note that mkdir() does not
+ * honour setuid, setgid and sticky bits, but we
+ * normally want to preserve them on directories.
+ */
+ if (pflag) {
+ if (setfile(cp_globals, curr->fts_statp, -1))
+ rval = 1;
+ if (preserve_dir_acls(curr->fts_statp,
+ curr->fts_accpath, to.p_path) != 0)
+ rval = 1;
+ } else {
+ mode = curr->fts_statp->st_mode;
+ if ((mode & (S_ISUID | S_ISGID | S_ISTXT)) ||
+ ((mode | S_IRWXU) & mask) != (mode & mask))
+ if (chmod(to.p_path, mode & mask) != 0){
+ warn("chmod: %s", to.p_path);
+ rval = 1;
+ }
+ }
+ continue;
+ }
+
+ /* Not an error but need to remember it happened */
+ if (stat(to.p_path, &to_stat) == -1)
+ dne = 1;
+ else {
+ if (to_stat.st_dev == curr->fts_statp->st_dev &&
+ to_stat.st_ino == curr->fts_statp->st_ino) {
+ warnx("%s and %s are identical (not copied).",
+ to.p_path, curr->fts_path);
+ badcp = rval = 1;
+ if (S_ISDIR(curr->fts_statp->st_mode))
+ (void)fts_set(ftsp, curr, FTS_SKIP);
+ continue;
+ }
+ if (!S_ISDIR(curr->fts_statp->st_mode) &&
+ S_ISDIR(to_stat.st_mode)) {
+ warnx("cannot overwrite directory %s with "
+ "non-directory %s",
+ to.p_path, curr->fts_path);
+ badcp = rval = 1;
+ continue;
+ }
+ dne = 0;
+ }
+
+ switch (curr->fts_statp->st_mode & S_IFMT) {
+ case S_IFLNK:
+ /* Catch special case of a non-dangling symlink */
+ if ((fts_options & FTS_LOGICAL) ||
+ ((fts_options & FTS_COMFOLLOW) &&
+ curr->fts_level == 0)) {
+ if (copy_file(cp_globals, curr, dne))
+ badcp = rval = 1;
+ } else {
+ if (copy_link(cp_globals, curr, !dne))
+ badcp = rval = 1;
+ }
+ break;
+ case S_IFDIR:
+ if (!Rflag) {
+ warnx("%s is a directory (not copied).",
+ curr->fts_path);
+ (void)fts_set(ftsp, curr, FTS_SKIP);
+ badcp = rval = 1;
+ break;
+ }
+ /*
+ * If the directory doesn't exist, create the new
+ * one with the from file mode plus owner RWX bits,
+ * modified by the umask. Trade-off between being
+ * able to write the directory (if from directory is
+ * 555) and not causing a permissions race. If the
+ * umask blocks owner writes, we fail..
+ */
+ if (dne) {
+ if (mkdir(to.p_path,
+ curr->fts_statp->st_mode | S_IRWXU) < 0)
+ err(exit_jump, 1, "%s", to.p_path);
+ } else if (!S_ISDIR(to_stat.st_mode)) {
+ errno = ENOTDIR;
+ err(exit_jump, 1, "%s", to.p_path);
+ }
+ /*
+ * Arrange to correct directory attributes later
+ * (in the post-order phase) if this is a new
+ * directory, or if the -p flag is in effect.
+ */
+ curr->fts_number = pflag || dne;
+ break;
+ case S_IFBLK:
+ case S_IFCHR:
+ if (Rflag) {
+ if (copy_special(cp_globals, curr->fts_statp, !dne))
+ badcp = rval = 1;
+ } else {
+ if (copy_file(cp_globals, curr, dne))
+ badcp = rval = 1;
+ }
+ break;
+ case S_IFSOCK:
+ warnx("%s is a socket (not copied).",
+ curr->fts_path);
+ case S_IFIFO:
+ if (Rflag) {
+ if (copy_fifo(cp_globals, curr->fts_statp, !dne))
+ badcp = rval = 1;
+ } else {
+ if (copy_file(cp_globals, curr, dne))
+ badcp = rval = 1;
+ }
+ break;
+ default:
+ if (copy_file(cp_globals, curr, dne))
+ badcp = rval = 1;
+ break;
+ }
+ if (vflag && !badcp)
+ (void)printf("%s -> %s\n", curr->fts_path, to.p_path);
+ }
+ if (errno)
+ err(exit_jump, 1, "fts_read");
+ fts_close(ftsp);
+ return (rval);
+}
+
+/*
+ * mastercmp --
+ * The comparison function for the copy order. The order is to copy
+ * non-directory files before directory files. The reason for this
+ * is because files tend to be in the same cylinder group as their
+ * parent directory, whereas directories tend not to be. Copying the
+ * files first reduces seeking.
+ */
+int
+mastercmp(const FTSENT **a, const FTSENT **b)
+{
+ int a_info, b_info;
+
+ a_info = (*a)->fts_info;
+ if (a_info == FTS_ERR || a_info == FTS_NS || a_info == FTS_DNR)
+ return (0);
+ b_info = (*b)->fts_info;
+ if (b_info == FTS_ERR || b_info == FTS_NS || b_info == FTS_DNR)
+ return (0);
+ if (a_info == FTS_D)
+ return (-1);
+ if (b_info == FTS_D)
+ return (1);
+ return (0);
+}
+
+rtems_shell_cmd_t rtems_shell_CP_Command = {
+ "cp", /* name */
+ "cp [-R [-H | -L | -P]] [-f | -i] [-pv] src target", /* usage */
+ "files", /* topic */
+ rtems_shell_main_cp, /* command */
+ NULL, /* alias */
+ NULL /* next */
+};
+
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