xpcom/io/nsLocalFileUnix.h@97036ab72558
xpcom/io/nsLocalFileUnix.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 /*
7 * Implementation of nsIFile for ``Unixy'' systems.
8 */
10 #ifndef _nsLocalFileUNIX_H_
11 #define _nsLocalFileUNIX_H_
13 #include <sys/stat.h>
14 #include <sys/types.h>
15 #include <unistd.h>
17 #include "nscore.h"
18 #include "nsString.h"
19 #include "nsReadableUtils.h"
20 #include "nsIHashable.h"
21 #include "nsIClassInfoImpl.h"
22 #include "mozilla/Attributes.h"
23 #ifdef MOZ_WIDGET_COCOA
24 #include "nsILocalFileMac.h"
25 #endif
27 /**
28 * we need these for statfs()
29 */
30 #ifdef HAVE_SYS_STATVFS_H
31 #if defined(__osf__) && defined(__DECCXX)
32 extern "C" int statvfs(const char *, struct statvfs *);
33 #endif
34 #include <sys/statvfs.h>
35 #endif
37 #ifdef HAVE_SYS_STATFS_H
38 #include <sys/statfs.h>
39 #endif
41 #ifdef HAVE_SYS_VFS_H
42 #include <sys/vfs.h>
43 #endif
45 #ifdef HAVE_SYS_MOUNT_H
46 #include <sys/param.h>
47 #include <sys/mount.h>
48 #endif
50 #if defined(HAVE_STATVFS64) && (!defined(LINUX) && !defined(__osf__))
51 #define STATFS statvfs64
52 #define F_BSIZE f_frsize
53 #elif defined(HAVE_STATVFS) && (!defined(LINUX) && !defined(__osf__))
54 #define STATFS statvfs
55 #define F_BSIZE f_frsize
56 #elif defined(HAVE_STATFS64)
57 #define STATFS statfs64
58 #define F_BSIZE f_bsize
59 #elif defined(HAVE_STATFS)
60 #define STATFS statfs
61 #define F_BSIZE f_bsize
62 #endif
64 // stat64 and lstat64 are deprecated on OS X. Normal stat and lstat are
65 // 64-bit by default on OS X 10.6+.
66 #if defined(HAVE_STAT64) && defined(HAVE_LSTAT64) && !defined(XP_MACOSX)
67 #if defined (AIX)
68 #if defined STAT
69 #undef STAT
70 #endif
71 #endif
72 #define STAT stat64
73 #define LSTAT lstat64
74 #define HAVE_STATS64 1
75 #else
76 #define STAT stat
77 #define LSTAT lstat
78 #endif
81 class nsLocalFile MOZ_FINAL :
82 #ifdef MOZ_WIDGET_COCOA
83 public nsILocalFileMac,
84 #else
85 public nsILocalFile,
86 #endif
87 public nsIHashable
88 {
89 public:
90 NS_DEFINE_STATIC_CID_ACCESSOR(NS_LOCAL_FILE_CID)
92 nsLocalFile();
94 static nsresult nsLocalFileConstructor(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
96 NS_DECL_THREADSAFE_ISUPPORTS
97 NS_DECL_NSIFILE
98 NS_DECL_NSILOCALFILE
99 #ifdef MOZ_WIDGET_COCOA
100 NS_DECL_NSILOCALFILEMAC
101 #endif
102 NS_DECL_NSIHASHABLE
104 public:
105 static void GlobalInit();
106 static void GlobalShutdown();
108 private:
109 nsLocalFile(const nsLocalFile& other);
110 ~nsLocalFile() {}
112 protected:
113 // This stat cache holds the *last stat* - it does not invalidate.
114 // Call "FillStatCache" whenever you want to stat our file.
115 struct STAT mCachedStat;
116 nsCString mPath;
118 void LocateNativeLeafName(nsACString::const_iterator &,
119 nsACString::const_iterator &);
121 nsresult CopyDirectoryTo(nsIFile *newParent);
122 nsresult CreateAllAncestors(uint32_t permissions);
123 nsresult GetNativeTargetPathName(nsIFile *newParent,
124 const nsACString &newName,
125 nsACString &_retval);
127 bool FillStatCache();
129 nsresult CreateAndKeepOpen(uint32_t type, int flags,
130 uint32_t permissions, PRFileDesc **_retval);
131 };
133 #endif /* _nsLocalFileUNIX_H_ */
