xpcom/io/nsLocalFileUnix.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 /*
   8  * Implementation of nsIFile for ``Unixy'' systems.
   9  */
  10
  11 #ifndef _nsLocalFileUNIX_H_
  12 #define _nsLocalFileUNIX_H_
  13
  14 #include <sys/stat.h>
  15 #include <sys/types.h>
  16 #include <unistd.h>
  17
  18 #include "nscore.h"
  19 #include "nsString.h"
  20 #include "nsReadableUtils.h"
  21 #include "nsIHashable.h"
  22 #include "nsIClassInfoImpl.h"
  23 #include "mozilla/Attributes.h"
  24 #ifdef MOZ_WIDGET_COCOA
  25 #include "nsILocalFileMac.h"
  26 #endif
  27
  28 /**
  29  *  we need these for statfs()
  30  */
  31 #ifdef HAVE_SYS_STATVFS_H
  32   #if defined(__osf__) && defined(__DECCXX)
  33     extern "C" int statvfs(const char *, struct statvfs *);
  34   #endif
  35   #include <sys/statvfs.h>
  36 #endif
  37
  38 #ifdef HAVE_SYS_STATFS_H
  39   #include <sys/statfs.h>
  40 #endif
  41
  42 #ifdef HAVE_SYS_VFS_H
  43   #include <sys/vfs.h>
  44 #endif
  45
  46 #ifdef HAVE_SYS_MOUNT_H
  47   #include <sys/param.h>
  48   #include <sys/mount.h>
  49 #endif
  50
  51 #if defined(HAVE_STATVFS64) && (!defined(LINUX) && !defined(__osf__))
  52   #define STATFS statvfs64
  53   #define F_BSIZE f_frsize
  54 #elif defined(HAVE_STATVFS) && (!defined(LINUX) && !defined(__osf__))
  55   #define STATFS statvfs
  56   #define F_BSIZE f_frsize
  57 #elif defined(HAVE_STATFS64)
  58   #define STATFS statfs64
  59   #define F_BSIZE f_bsize
  60 #elif defined(HAVE_STATFS)
  61   #define STATFS statfs
  62   #define F_BSIZE f_bsize
  63 #endif
  64
  65 // stat64 and lstat64 are deprecated on OS X. Normal stat and lstat are
  66 // 64-bit by default on OS X 10.6+.
  67 #if defined(HAVE_STAT64) && defined(HAVE_LSTAT64) && !defined(XP_MACOSX)
  68   #if defined (AIX)
  69     #if defined STAT
  70       #undef STAT
  71     #endif
  72   #endif
  73   #define STAT stat64
  74   #define LSTAT lstat64
  75   #define HAVE_STATS64 1
  76 #else
  77   #define STAT stat
  78   #define LSTAT lstat
  79 #endif
  80
  81
  82 class nsLocalFile final
  83 #ifdef MOZ_WIDGET_COCOA
  84   : public nsILocalFileMac
  85 #else
  86   : public nsILocalFile
  87 #endif
  88   , public nsIHashable
  89 {
  90 public:
  91   NS_DEFINE_STATIC_CID_ACCESSOR(NS_LOCAL_FILE_CID)
  92
  93   nsLocalFile();
  94
  95   static nsresult nsLocalFileConstructor(nsISupports* aOuter,
  96                                          const nsIID& aIID,
  97                                          void** aInstancePtr);
  98
  99   NS_DECL_THREADSAFE_ISUPPORTS
 100   NS_DECL_NSIFILE
 101   NS_DECL_NSILOCALFILE
 102 #ifdef MOZ_WIDGET_COCOA
 103   NS_DECL_NSILOCALFILEMAC
 104 #endif
 105   NS_DECL_NSIHASHABLE
 106
 107 public:
 108   static void GlobalInit();
 109   static void GlobalShutdown();
 110
 111 private:
 112   nsLocalFile(const nsLocalFile& aOther);
 113   ~nsLocalFile()
 114   {
 115   }
 116
 117 protected:
 118   // This stat cache holds the *last stat* - it does not invalidate.
 119   // Call "FillStatCache" whenever you want to stat our file.
 120   struct STAT  mCachedStat;
 121   nsCString    mPath;
 122
 123   void LocateNativeLeafName(nsACString::const_iterator&,
 124                             nsACString::const_iterator&);
 125
 126   nsresult CopyDirectoryTo(nsIFile* aNewParent);
 127   nsresult CreateAllAncestors(uint32_t aPermissions);
 128   nsresult GetNativeTargetPathName(nsIFile* aNewParent,
 129                                    const nsACString& aNewName,
 130                                    nsACString& aResult);
 131
 132   bool FillStatCache();
 133
 134   nsresult CreateAndKeepOpen(uint32_t aType, int aFlags,
 135                              uint32_t aPermissions, PRFileDesc** aResult);
 136 };
 137
 138 #endif /* _nsLocalFileUNIX_H_ */