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559 lines
14 KiB
C
559 lines
14 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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** Netscape portable install command.
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**
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** Brendan Eich, 7/20/95
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*/
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#ifdef XP_OS2_VACPP
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#include "getopt.c"
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#include "dirent.c"
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#endif
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#include <stdio.h> /* OSF/1 requires this before grp.h, so put it first */
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#include <assert.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <dirent.h>
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#include <limits.h>
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#ifndef XP_OS2_VACPP
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#include <grp.h>
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#include <pwd.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef XP_OS2_VACPP
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#include <unistd.h>
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#include <utime.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "pathsub.h"
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#endif
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#ifdef XP_OS2_VACPP
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getopt(int nargc, char **nargv, char *ostr);
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#include <dirent.h>
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#include <direct.h>
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#include <io.h>
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#include <sys\utime.h>
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#include <sys\types.h>
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#endif
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#ifdef SUNOS4
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#include "sunos4.h"
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#endif
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#ifdef NEXTSTEP
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#include <bsd/libc.h>
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#endif
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#ifdef __QNX__
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#include <unix.h>
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#endif
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#ifdef NEED_S_ISLNK
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#if !defined(S_ISLNK) && defined(S_IFLNK)
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#define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK)
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#endif
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#endif
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#ifndef _DIRECTORY_SEPARATOR
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#ifdef XP_OS2
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#define _DIRECTORY_SEPARATOR "\\"
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#else
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#define _DIRECTORY_SEPARATOR "/"
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#endif
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#endif /* _DIRECTORY_SEPARATOR */
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#ifdef NEED_FCHMOD_PROTO
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extern int fchmod(int fildes, mode_t mode);
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#endif
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#ifdef XP_OS2
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/*Note: OS/2 has no concept of users or groups, or symbolic links...*/
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#define lstat stat
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/*looks reasonably safe based on OS/2's stat.h...*/
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#define S_ISLNK(mode) 0 /*no way in hell on a file system that doesn't support it*/
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#ifdef XP_OS2_VACPP
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typedef unsigned short mode_t;
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typedef unsigned short uid_t;
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typedef unsigned short gid_t;
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#define mkdir(path, mode) mkdir(path)
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#define W_OK 1
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#endif /* XP_OS2_VACPP */
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#define touid(spam) 0
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#define togid(spam) 0
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#define access(spam, spam2) 0
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#define chown(spam1, spam2, spam3) 0
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#define lchown(spam1, spam2, spam3) 0
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#define fchown(spam1, spam2, spam3) 0
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#define readlink(spam1, spam2, spam3) -1
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#define symlink(spam1, spam2) -1
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#ifndef XP_OS2_VACPP
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unsigned long DosSetFileSize(int, int);
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#endif /* XP_OS2_VACPP */
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#define ftruncate(spam1, spam2) (DosSetFileSize(spam1, spam2)?-1:0)
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#endif /* XP_OS2 */
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static void
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usage(void)
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{
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fprintf(stderr,
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"usage: %s [-C cwd] [-L linkprefix] [-m mode] [-o owner] [-g group]\n"
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" %*s [-DdltR] file [file ...] directory\n",
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program, (int) strlen(program), "");
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exit(2);
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}
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static int
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mkdirs(char *path, mode_t mode)
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{
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char *cp;
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struct stat sb;
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int res;
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int l;
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/* strip trailing "/." */
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l = strlen(path);
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#ifdef XP_OS2
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/* if path is nothing but drive letter, return successfully */
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if( l == 2 && path[1] == ':' )
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return 0;
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#endif
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if(l > 1 && path[l - 1] == '.' && path[l - 2] == '/')
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path[l - 2] = 0;
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while (*path == '/' && path[1] == '/')
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path++;
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while ((cp = strrchr(path, '/')) && cp[1] == '\0')
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*cp = '\0';
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if (cp && cp != path) {
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*cp = '\0';
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if ((lstat(path, &sb) < 0 || !S_ISDIR(sb.st_mode)) &&
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mkdirs(path, mode) < 0) {
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return -1;
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}
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*cp = '/';
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}
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res = mkdir(path, mode);
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if ((res != 0) && (errno == EEXIST))
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return 0;
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else
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return res;
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}
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#ifndef XP_OS2
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static uid_t
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touid(char *owner)
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{
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struct passwd *pw;
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uid_t uid;
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char *cp;
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pw = getpwnam(owner);
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if (pw)
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return pw->pw_uid;
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uid = strtol(owner, &cp, 0);
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if (uid == 0 && cp == owner)
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fail("cannot find uid for %s", owner);
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return uid;
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}
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static gid_t
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togid(char *group)
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{
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struct group *gr;
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gid_t gid;
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char *cp;
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gr = getgrnam(group);
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if (gr)
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return gr->gr_gid;
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gid = strtol(group, &cp, 0);
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if (gid == 0 && cp == group)
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fail("cannot find gid for %s", group);
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return gid;
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}
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#endif
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static void
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copyfile( char *name, char *toname, mode_t mode, char *group, char *owner,
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int dotimes, uid_t uid, gid_t gid )
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{
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int fromfd, tofd, cc, wc, exists;
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char buf[BUFSIZ], *bp;
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struct stat sb, tosb;
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struct utimbuf utb;
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exists = (lstat(toname, &tosb) == 0);
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#ifdef XP_OS2_FIX
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fromfd = open(name, O_RDONLY | O_BINARY);
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#else
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fromfd = open(name, O_RDONLY);
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#endif
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if (fromfd < 0 || fstat(fromfd, &sb) < 0)
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fail("cannot access %s", name);
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if (exists && (!S_ISREG(tosb.st_mode) || access(toname, W_OK) < 0))
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(void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
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#ifdef XP_OS2
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chmod(toname, S_IREAD | S_IWRITE);
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#endif
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#ifdef XP_OS2_FIX
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tofd = open(toname, O_CREAT | O_WRONLY | O_BINARY, 0666);
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#else
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tofd = open(toname, O_CREAT | O_WRONLY, 0666);
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#endif
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if (tofd < 0)
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fail("cannot create %s", toname);
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bp = buf;
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while ((cc = read(fromfd, bp, sizeof buf)) > 0)
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{
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while ((wc = write(tofd, bp, (unsigned int)cc)) > 0)
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{
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if ((cc -= wc) == 0)
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break;
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bp += wc;
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}
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if (wc < 0)
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fail("cannot write to %s", toname);
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}
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if (cc < 0)
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fail("cannot read from %s", name);
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if (ftruncate(tofd, sb.st_size) < 0)
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fail("cannot truncate %s", toname);
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#ifndef XP_OS2
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if (dotimes)
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{
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utb.actime = sb.st_atime;
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utb.modtime = sb.st_mtime;
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if (utime(toname, &utb) < 0)
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fail("cannot set times of %s", toname);
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}
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#ifdef HAVE_FCHMOD
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if (fchmod(tofd, mode) < 0)
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#else
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if (chmod(toname, mode) < 0)
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#endif
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fail("cannot change mode of %s", toname);
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#endif
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if ((owner || group) && fchown(tofd, uid, gid) < 0)
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fail("cannot change owner of %s", toname);
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/* Must check for delayed (NFS) write errors on close. */
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if (close(tofd) < 0)
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fail("cannot write to %s", toname);
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close(fromfd);
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#ifdef XP_OS2
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if (dotimes)
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{
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utb.actime = sb.st_atime;
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utb.modtime = sb.st_mtime;
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if (utime(toname, &utb) < 0)
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fail("cannot set times of %s", toname);
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}
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if (chmod(toname, (mode & (S_IREAD | S_IWRITE))) < 0)
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fail("cannot change mode of %s", toname);
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#endif
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}
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static void
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copydir( char *from, char *to, mode_t mode, char *group, char *owner,
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int dotimes, uid_t uid, gid_t gid)
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{
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int i;
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DIR *dir;
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struct dirent *ep;
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struct stat sb;
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char *base, *destdir, *direntry, *destentry;
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base = xbasename(from);
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/* create destination directory */
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destdir = xmalloc((unsigned int)(strlen(to) + 1 + strlen(base) + 1));
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sprintf(destdir, "%s%s%s", to, _DIRECTORY_SEPARATOR, base);
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if (mkdirs(destdir, mode) != 0) {
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fail("cannot make directory %s\n", destdir);
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return;
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}
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dir = opendir(from);
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direntry = xmalloc((unsigned int)PATH_MAX);
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destentry = xmalloc((unsigned int)PATH_MAX);
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while ((ep = readdir(dir)))
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{
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if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
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continue;
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sprintf(direntry, "%s/%s", from, ep->d_name);
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sprintf(destentry, "%s%s%s", destdir, _DIRECTORY_SEPARATOR, ep->d_name);
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#ifdef XP_OS2_VACPP
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if (ep->d_attribute & A_DIR)
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#else
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if (stat(direntry, &sb) == 0 && S_ISDIR(sb.st_mode))
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#endif
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copydir( direntry, destdir, mode, group, owner, dotimes, uid, gid );
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else
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copyfile( direntry, destentry, mode, group, owner, dotimes, uid, gid );
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}
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free(direntry);
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free(destentry);
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closedir(dir);
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}
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int
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main(int argc, char **argv)
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{
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int onlydir, dodir, dolink, dorelsymlink, dotimes, opt, len, lplen, tdlen, bnlen, exists, fromfd, tofd, cc, wc;
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mode_t mode = 0755;
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char *linkprefix, *owner, *group, *cp, *cwd, *todir, *toname, *name, *base, *linkname, *bp, buf[BUFSIZ];
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uid_t uid;
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gid_t gid;
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struct stat sb, tosb, fromsb;
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struct utimbuf utb;
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program = argv[0];
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cwd = linkname = linkprefix = owner = group = 0;
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onlydir = dodir = dolink = dorelsymlink = dotimes = lplen = 0;
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while ((opt = getopt(argc, argv, "C:DdlL:Rm:o:g:t")) != EOF) {
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switch (opt) {
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case 'C':
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cwd = optarg;
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break;
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case 'D':
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onlydir = 1;
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break;
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case 'd':
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dodir = 1;
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break;
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case 'l':
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dolink = 1;
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break;
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case 'L':
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linkprefix = optarg;
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lplen = strlen(linkprefix);
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dolink = 1;
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break;
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case 'R':
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#ifdef XP_OS2
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/* treat like -t since no symbolic links on OS2 */
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dotimes = 1;
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#else
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dolink = dorelsymlink = 1;
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#endif
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break;
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case 'm':
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mode = strtoul(optarg, &cp, 8);
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if (mode == 0 && cp == optarg)
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usage();
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break;
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case 'o':
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owner = optarg;
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break;
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case 'g':
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group = optarg;
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break;
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case 't':
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dotimes = 1;
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc < 2 - onlydir)
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usage();
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todir = argv[argc-1];
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if ((stat(todir, &sb) < 0 || !S_ISDIR(sb.st_mode)) &&
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mkdirs(todir, 0777) < 0) {
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fail("cannot make directory %s", todir);
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}
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if (onlydir)
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return 0;
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if (!cwd) {
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#ifndef NEEDS_GETCWD
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#ifndef GETCWD_CANT_MALLOC
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cwd = getcwd(0, PATH_MAX);
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#else
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cwd = malloc(PATH_MAX + 1);
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cwd = getcwd(cwd, PATH_MAX);
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#endif
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#else
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cwd = malloc(PATH_MAX + 1);
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cwd = getwd(cwd);
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#endif
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}
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xchdir(todir);
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#ifndef NEEDS_GETCWD
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#ifndef GETCWD_CANT_MALLOC
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todir = getcwd(0, PATH_MAX);
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#else
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todir = malloc(PATH_MAX + 1);
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todir = getcwd(todir, PATH_MAX);
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#endif
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#else
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todir = malloc(PATH_MAX + 1);
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todir = getwd(todir);
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#endif
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tdlen = strlen(todir);
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xchdir(cwd);
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tdlen = strlen(todir);
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uid = owner ? touid(owner) : (uid_t)(-1);
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gid = group ? togid(group) : (gid_t)(-1);
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while (--argc > 0) {
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name = *argv++;
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len = strlen(name);
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base = xbasename(name);
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bnlen = strlen(base);
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toname = xmalloc((unsigned int)(tdlen + 1 + bnlen + 1));
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sprintf(toname, "%s%s%s", todir, _DIRECTORY_SEPARATOR, base);
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exists = (lstat(toname, &tosb) == 0);
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if (dodir) {
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/* -d means create a directory, always */
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if (exists && !S_ISDIR(tosb.st_mode)) {
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(void) unlink(toname);
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exists = 0;
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}
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if (!exists && mkdir(toname, mode) < 0)
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fail("cannot make directory %s", toname);
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if ((owner || group) && chown(toname, uid, gid) < 0)
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fail("cannot change owner of %s", toname);
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} else if (dolink) {
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if (access(name, R_OK) != 0) {
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fail("cannot access %s", name);
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}
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if (*name == '/') {
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/* source is absolute pathname, link to it directly */
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linkname = 0;
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} else {
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if (linkprefix) {
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/* -L implies -l and prefixes names with a $cwd arg. */
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len += lplen + 1;
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linkname = xmalloc((unsigned int)(len + 1));
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sprintf(linkname, "%s/%s", linkprefix, name);
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} else if (dorelsymlink) {
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/* Symlink the relative path from todir to source name. */
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linkname = xmalloc(PATH_MAX);
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if (*todir == '/') {
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/* todir is absolute: skip over common prefix. */
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lplen = relatepaths(todir, cwd, linkname);
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strcpy(linkname + lplen, name);
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} else {
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/* todir is named by a relative path: reverse it. */
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reversepath(todir, name, len, linkname);
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xchdir(cwd);
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}
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len = strlen(linkname);
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}
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name = linkname;
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}
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/* Check for a pre-existing symlink with identical content. */
|
|
#ifdef XP_OS2_VACPP
|
|
#pragma info(nocnd)
|
|
#endif
|
|
if ((exists && (!S_ISLNK(tosb.st_mode) ||
|
|
readlink(toname, buf, sizeof buf) != len ||
|
|
strncmp(buf, name, (unsigned int)len) != 0)) ||
|
|
((stat(name, &fromsb) == 0) &&
|
|
(fromsb.st_mtime > tosb.st_mtime))) {
|
|
#ifdef XP_OS2_VACPP
|
|
#pragma info(restore)
|
|
#endif
|
|
(void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
|
|
exists = 0;
|
|
}
|
|
if (!exists && symlink(name, toname) < 0)
|
|
fail("cannot make symbolic link %s", toname);
|
|
#ifdef HAVE_LCHOWN
|
|
if ((owner || group) && lchown(toname, uid, gid) < 0)
|
|
fail("cannot change owner of %s", toname);
|
|
#endif
|
|
|
|
if (linkname) {
|
|
free(linkname);
|
|
linkname = 0;
|
|
}
|
|
} else {
|
|
/* Copy from name to toname, which might be the same file. */
|
|
if( stat(name, &sb) == 0 && S_IFDIR & sb.st_mode )
|
|
{
|
|
/* then is directory: must explicitly create destination dir */
|
|
/* and manually copy files over */
|
|
copydir( name, todir, mode, group, owner, dotimes, uid, gid );
|
|
}
|
|
else
|
|
{
|
|
copyfile(name, toname, mode, group, owner, dotimes, uid, gid);
|
|
}
|
|
}
|
|
|
|
free(toname);
|
|
}
|
|
|
|
free(cwd);
|
|
free(todir);
|
|
return 0;
|
|
}
|