1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* Copyright (C) 2003-2012 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h" /* must be first for large file support */
#include "UpdateIO.hxx"
#include "Directory.hxx"
#include "Mapper.hxx"
#include "fs/Path.hxx"
#include "fs/FileSystem.hxx"
#include <glib.h>
#include <errno.h>
#include <unistd.h>
int
stat_directory(const Directory *directory, struct stat *st)
{
const Path path_fs = map_directory_fs(directory);
if (path_fs.IsNull())
return -1;
int ret = stat(path_fs.c_str(), st);
if (ret < 0)
g_warning("Failed to stat %s: %s",
path_fs.c_str(), g_strerror(errno));
return ret;
}
int
stat_directory_child(const Directory *parent, const char *name,
struct stat *st)
{
const Path path_fs = map_directory_child_fs(parent, name);
if (path_fs.IsNull())
return -1;
int ret = stat(path_fs.c_str(), st);
if (ret < 0)
g_warning("Failed to stat %s: %s",
path_fs.c_str(), g_strerror(errno));
return ret;
}
bool
directory_exists(const Directory *directory)
{
const Path path_fs = map_directory_fs(directory);
if (path_fs.IsNull())
/* invalid path: cannot exist */
return false;
return directory->device == DEVICE_INARCHIVE ||
directory->device == DEVICE_CONTAINER
? FileExists(path_fs)
: DirectoryExists(path_fs);
}
bool
directory_child_is_regular(const Directory *directory,
const char *name_utf8)
{
const Path path_fs = map_directory_child_fs(directory, name_utf8);
if (path_fs.IsNull())
return false;
struct stat st;
return stat(path_fs.c_str(), &st) == 0 && S_ISREG(st.st_mode);
}
bool
directory_child_access(const Directory *directory,
const char *name, int mode)
{
#ifdef WIN32
/* access() is useless on WIN32 */
(void)directory;
(void)name;
(void)mode;
return true;
#else
const Path path = map_directory_child_fs(directory, name);
if (path.IsNull())
/* something went wrong, but that isn't a permission
problem */
return true;
return access(path.c_str(), mode) == 0 || errno != EACCES;
#endif
}
|
