xref: /freebsd/bin/cp/extern.h (revision c3efa16dc9bcdcbe128c6b3c4b000867bbaf7991)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1991, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 typedef struct {
33 	int		 dir;		/* base directory handle */
34 	char		 base[PATH_MAX + 1];	/* base directory path */
35 	char		*end;		/* pointer to NUL at end of path */
36 	char		 path[PATH_MAX];	/* target path */
37 } PATH_T;
38 
39 extern PATH_T to;
40 extern bool Nflag, fflag, iflag, lflag, nflag, pflag, sflag, vflag;
41 extern volatile sig_atomic_t info;
42 
43 __BEGIN_DECLS
44 int	copy_fifo(struct stat *, bool, bool);
45 int	copy_file(const FTSENT *, bool, bool);
46 int	copy_link(const FTSENT *, bool, bool);
47 int	copy_special(struct stat *, bool, bool);
48 int	setfile(struct stat *, int, bool);
49 int	preserve_dir_acls(const char *, const char *);
50 int	preserve_fd_acls(int, int);
51 void	usage(void) __dead2;
52 __END_DECLS
53 
54 /*
55  * The FreeBSD and Darwin kernels return ENOTCAPABLE when a path lookup
56  * violates a RESOLVE_BENEATH constraint.  This results in confusing error
57  * messages, so translate it to the more widely recognized EACCES.
58  */
59 #ifdef ENOTCAPABLE
60 #define warn(...)							\
61 	warnc(errno == ENOTCAPABLE ? EACCES : errno, __VA_ARGS__)
62 #define err(rv, ...)							\
63 	errc(rv, errno == ENOTCAPABLE ? EACCES : errno, __VA_ARGS__)
64 #endif
65