Files
Claunia.IO/Claunia.IO/Interop/Apple/Interop.Apple.statfs64.cs
2015-05-07 05:31:02 +01:00

131 lines
4.5 KiB
C#

//
// Interop.Apple.statfs64.cs
//
// Author:
// Natalia Portillo <claunia@claunia.com>
//
// Copyright (c) 2015 © Claunia.com
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Runtime.InteropServices;
#region Mac OS X type definitions
using int32_t = System.Int32;
using uid_t = System.UInt32;
using uint32_t = System.UInt32;
using uint64_t = System.UInt64;
#endregion
internal static partial class Interop
{
internal static partial class Apple
{
/// <summary>
/// statfs(2) structure when _DARWIN_FEATURE_64_BIT_INODE is NOT defined
/// </summary>
[StructLayout(LayoutKind.Sequential)]
internal struct StatFS64
{
/// <summary>
/// Fundamental file system block size
/// </summary>
uint32_t f_bsize;
/// <summary>
/// Optimal transfer block size
/// </summary>
int32_t f_iosize;
/// <summary>
/// Total data blocks in file system
/// </summary>
uint64_t f_blocks;
/// <summary>
/// Free blocks in file system
/// </summary>
uint64_t f_bfree;
/// <summary>
/// Free blocks avail to non-superuser
/// </summary>
uint64_t f_bavail;
/// <summary>
/// Total file nodes in file system
/// </summary>
uint64_t f_files;
/// <summary>
/// Free file nodes in file system
/// </summary>
uint64_t f_ffree;
/// <summary>
/// File system id
/// </summary>
fsid_t f_fsid;
/// <summary>
/// User that mounted the filesystem
/// </summary>
uid_t f_owner;
/// <summary>
/// Type of filesystem
/// </summary>
UInt32 f_type;
/// <summary>
/// Copy of mount exported flags
/// </summary>
UInt32 f_flags;
/// <summary>
/// File system sub-type (flavor)
/// </summary>
UInt32 f_fssubtype;
/// <summary>
/// File system type name
/// </summary>
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
string f_fstypename;
/// <summary>
/// Directory on which mounted
/// </summary>
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 1024)]
string f_mntonname;
/// <summary>
/// Mounted file system
/// </summary>
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 1024)]
string f_mntfromname;
/// <summary>
/// For future use
/// </summary>
[MarshalAs(UnmanagedType.ByValArray,
ArraySubType = UnmanagedType.I8, SizeConst = 8)]
[Obsolete("RESERVED: DO NOT USE")]
uint32_t[] f_reserved;
}
/// <summary>
/// Obtains information of the file system mounted at <paramref name="path"/>.
/// Calls to system's statfs64(2)
/// </summary>
/// <param name="path">Path to the filesystem mount point.</param>
/// <param name="buf"><see cref="Stat64"/>.</param>
/// <returns>On success, 0. On failure, -1, and errno is set.</returns>
[DllImport(Libraries.Libc, SetLastError = true)]
public static extern int statfs64(string path, out StatFS64 buf);
}
}