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
109
110
111
112
113
114
115
116
117
|
$NetBSD: patch-mozilla_ipc_chromium_src_base_dir__reader__bsd.h,v 1.1 2013/11/13 13:27:45 ryoon Exp $
--- mozilla/ipc/chromium/src/base/dir_reader_bsd.h.orig 2012-09-03 10:39:55.000000000 +0000
+++ mozilla/ipc/chromium/src/base/dir_reader_bsd.h
@@ -0,0 +1,112 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// derived from dir_reader_linux.h
+
+#ifndef BASE_DIR_READER_BSD_H_
+#define BASE_DIR_READER_BSD_H_
+#pragma once
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <unistd.h>
+
+#include "base/logging.h"
+#include "base/eintr_wrapper.h"
+
+// See the comments in dir_reader_posix.h about this.
+
+namespace base {
+
+class DirReaderBSD {
+ public:
+ explicit DirReaderBSD(const char* directory_path)
+#ifdef O_DIRECTORY
+ : fd_(open(directory_path, O_RDONLY | O_DIRECTORY)),
+#else
+ : fd_(open(directory_path, O_RDONLY)),
+#endif
+ offset_(0),
+ size_(0) {
+ memset(buf_, 0, sizeof(buf_));
+ }
+
+ ~DirReaderBSD() {
+ if (fd_ >= 0) {
+ if (HANDLE_EINTR(close(fd_)))
+ DLOG(ERROR) << "Failed to close directory handle";
+ }
+ }
+
+ bool IsValid() const {
+ return fd_ >= 0;
+ }
+
+ // Move to the next entry returning false if the iteration is complete.
+ bool Next() {
+ if (size_) {
+ struct dirent* dirent = reinterpret_cast<struct dirent*>(&buf_[offset_]);
+#ifdef OS_DRAGONFLY
+ offset_ += _DIRENT_DIRSIZ(dirent);
+#else
+ offset_ += dirent->d_reclen;
+#endif
+ }
+
+ if (offset_ != size_)
+ return true;
+
+#ifdef OS_OPENBSD
+ const int r = getdirentries(fd_, buf_, sizeof(buf_), basep_);
+#else
+ const int r = getdents(fd_, buf_, sizeof(buf_));
+#endif
+ if (r == 0)
+ return false;
+ if (r == -1) {
+#ifdef OS_OPENBSD
+ DLOG(ERROR) << "getdirentries returned an error: " << errno;
+#else
+ DLOG(ERROR) << "getdents returned an error: " << errno;
+#endif
+ return false;
+ }
+ size_ = r;
+ offset_ = 0;
+ return true;
+ }
+
+ const char* name() const {
+ if (!size_)
+ return NULL;
+
+ const struct dirent* dirent =
+ reinterpret_cast<const struct dirent*>(&buf_[offset_]);
+ return dirent->d_name;
+ }
+
+ int fd() const {
+ return fd_;
+ }
+
+ static bool IsFallback() {
+ return false;
+ }
+
+ private:
+ const int fd_;
+ char buf_[512];
+#ifdef OS_OPENBSD
+ off_t *basep_;
+#endif
+ size_t offset_, size_;
+
+ DISALLOW_COPY_AND_ASSIGN(DirReaderBSD);
+};
+
+} // namespace base
+
+#endif // BASE_DIR_READER_BSD_H_
|
