Bug 981348 - OS.File: f_bavail uses f_frsize units according to POSIX. r=Yoric

MozReview-Commit-ID: GU7CbhSsvTa

--HG--
extra : rebase_source : 3111b06d582a2ed0fbf9194c43a438c51751df38

dom/system/OSFileConstants.cpp

@@ -699,7 +699,7 @@ static const dom::ConstantSpec gLibcProperties[] =
 
   { "OSFILE_SIZEOF_STATVFS", JS::Int32Value(sizeof (struct statvfs)) },
 
-  { "OSFILE_OFFSETOF_STATVFS_F_BSIZE", JS::Int32Value(offsetof (struct statvfs, f_bsize)) },
+  { "OSFILE_OFFSETOF_STATVFS_F_FRSIZE", JS::Int32Value(offsetof (struct statvfs, f_frsize)) },
   { "OSFILE_OFFSETOF_STATVFS_F_BAVAIL", JS::Int32Value(offsetof (struct statvfs, f_bavail)) },
 
 #endif // defined(XP_UNIX)

toolkit/components/osfile/modules/osfile_unix_back.jsm

@@ -228,8 +228,8 @@
          let statvfs = new SharedAll.HollowStructure("statvfs",
            Const.OSFILE_SIZEOF_STATVFS);
 
-         statvfs.add_field_at(Const.OSFILE_OFFSETOF_STATVFS_F_BSIZE,
-                        "f_bsize", Type.unsigned_long.implementation);
+         statvfs.add_field_at(Const.OSFILE_OFFSETOF_STATVFS_F_FRSIZE,
+                        "f_frsize", Type.unsigned_long.implementation);
          statvfs.add_field_at(Const.OSFILE_OFFSETOF_STATVFS_F_BAVAIL,
                         "f_bavail", Type.fsblkcnt_t.implementation);
 

toolkit/components/osfile/modules/osfile_unix_front.jsm

@@ -399,7 +399,7 @@
        throw_on_negative("statvfs",  (UnixFile.statvfs || UnixFile.statfs)(sourcePath, fileSystemInfoPtr));
 
        let bytes = new Type.uint64_t.implementation(
-                        fileSystemInfo.f_bsize * fileSystemInfo.f_bavail);
+                        fileSystemInfo.f_frsize * fileSystemInfo.f_bavail);
 
        return bytes.value;
      };