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
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2014,2015 Colin Walters <walters@verbum.org>.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#pragma once
#include <glnx-backport-autocleanups.h>
#include <limits.h>
#include <dirent.h>
#include <sys/stat.h>
#include <fcntl.h>
G_BEGIN_DECLS
/**
* glnx_dirfd_canonicalize:
* @fd: A directory file descriptor
*
* It's often convenient in programs to use `-1` for "unassigned fd",
* and also because gobject-introspection doesn't support `AT_FDCWD`,
* libglnx honors `-1` to mean `AT_FDCWD`. This small inline function
* canonicalizes `-1 -> AT_FDCWD`.
*/
static inline int
glnx_dirfd_canonicalize (int fd)
{
if (fd == -1)
return AT_FDCWD;
return fd;
}
struct GLnxDirFdIterator {
gboolean initialized;
int fd;
gpointer padding_data[4];
};
typedef struct GLnxDirFdIterator GLnxDirFdIterator;
gboolean glnx_dirfd_iterator_init_at (int dfd, const char *path,
gboolean follow,
GLnxDirFdIterator *dfd_iter, GError **error);
gboolean glnx_dirfd_iterator_init_take_fd (int dfd, GLnxDirFdIterator *dfd_iter, GError **error);
gboolean glnx_dirfd_iterator_next_dent (GLnxDirFdIterator *dfd_iter,
struct dirent **out_dent,
GCancellable *cancellable,
GError **error);
gboolean glnx_dirfd_iterator_next_dent_ensure_dtype (GLnxDirFdIterator *dfd_iter,
struct dirent **out_dent,
GCancellable *cancellable,
GError **error);
void glnx_dirfd_iterator_clear (GLnxDirFdIterator *dfd_iter);
G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(GLnxDirFdIterator, glnx_dirfd_iterator_clear)
int glnx_opendirat_with_errno (int dfd,
const char *path,
gboolean follow);
gboolean glnx_opendirat (int dfd,
const char *path,
gboolean follow,
int *out_fd,
GError **error);
char *glnx_fdrel_abspath (int dfd,
const char *path);
gboolean glnx_mkdtempat (int dfd,
gchar *tmpl,
int mode,
GError **error);
G_END_DECLS
|
