1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Path and directory related operations.
4 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
5 * Copyright (c) 2012 - 2018 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
6 * SPDX-License-Identifier: BSD-3-Clause TODO ISC
9 * Copyright (c) 1980, 1993
10 * The Regents of the University of California. All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 #ifndef HAVE_AMALGAMATION
44 n_is_dir(char const *name
, bool_t check_access
){
49 if((rv
= (stat(name
, &sbuf
) == 0))){
50 if((rv
= (S_ISDIR(sbuf
.st_mode
) != 0)) && check_access
){
54 if(check_access
!= TRUM1
)
56 rv
= (access(name
, mode
) == 0);
64 n_path_mkdir(char const *name
){
70 if(!mkdir(name
, 0777))
75 /* Try it recursively */
79 if((vp
= strrchr(name
, '/')) != NULL
){ /* TODO magic dirsep */
80 while(vp
> name
&& vp
[-1] == '/')
82 vp
= savestrbuf(name
, PTR2SIZE(vp
- name
));
89 rv
= ((e
== n_ERR_EXIST
|| e
== n_ERR_NOSYS
) && !stat(name
, &st
) &&
97 n_path_rm(char const *name
){
102 if(stat(name
, &sb
) != 0)
104 else if(!S_ISREG(sb
.st_mode
))
107 rv
= (unlink(name
) == 0);
119 if ((cw
->cw_fd
= open(".", O_RDONLY
)) == -1)
121 if (fchdir(cw
->cw_fd
) == -1) {
137 if (!fchdir(cw
->cw_fd
))
144 cwrelse(struct cw
*cw
)
151 #else /* !HAVE_FCHDIR */
158 if (getcwd(cw
->cw_wd
, sizeof cw
->cw_wd
) != NULL
&& !chdir(cw
->cw_wd
))
170 if (!chdir(cw
->cw_wd
))
177 cwrelse(struct cw
*cw
)
183 #endif /* !HAVE_FCHDIR */