Implemented Linux's stat(2).

Claunia.IO/ChangeLog

@@ -1,3 +1,10 @@
+2015-05-03  Natalia Portillo  <claunia@claunia.com>
+
+	* Claunia.IO.csproj:
+	* Interop/Linux/Interop.Linux.stat.cs:
+	* Interop/Linux/Interop.Linux.types.cs:
+	  Implemented Linux's stat(2).
+
 2015-05-03  Natalia Portillo  <claunia@claunia.com>
 
 	* Interop/Linux/Interop.Linux.types.cs:

Claunia.IO/Claunia.IO.csproj

@@ -59,6 +59,7 @@
     <Compile Include="Interop\Linux\Interop.Linux.xattr.cs" />
     <Compile Include="Interop\Linux\Interop.Linux.statfs.cs" />
     <Compile Include="Interop\Linux\Interop.Linux.types.cs" />
+    <Compile Include="Interop\Linux\Interop.Linux.stat.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>

Claunia.IO/Interop/Linux/Interop.Linux.stat.cs

@@ -0,0 +1,307 @@
+//
+// Interop.Linux.stat.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.Runtime.InteropServices;
+using System;
+
+internal static partial class Interop
+{
+    internal static partial class Linux
+    {
+        /// <summary>
+        /// stat(2) structure when 64 bits
+        /// </summary>
+        [StructLayout(LayoutKind.Sequential)]
+        internal struct Stat64
+        {
+            /// <summary>
+            /// ID of device containing file
+            /// </summary>
+            UInt64 st_dev;
+            /// <summary>
+            /// inode number
+            /// </summary>
+            UInt64 st_ino;
+            /// <summary>
+            /// number of hard links
+            /// </summary>
+            UInt64 st_nlink;
+            /// <summary>
+            /// protection
+            /// </summary>
+            mode_t st_mode;
+            /// <summary>
+            /// user ID of owner
+            /// </summary>
+            UInt32 st_uid;
+            /// <summary>
+            /// group ID of owner
+            /// </summary>
+            UInt32 st_gid;
+            /// <summary>
+            /// padding
+            /// </summary>
+            Int32 __pad0;
+            /// <summary>
+            /// device ID (if special file)
+            /// </summary>
+            UInt64 st_rdev;
+            /// <summary>
+            /// total size, in bytes
+            /// </summary>
+            Int64 st_size;
+            /// <summary>
+            /// blocksize for filesystem I/O
+            /// </summary>
+            Int64 st_blksize;
+            /// <summary>
+            /// number of 512B blocks allocated
+            /// </summary>
+            Int64 st_blocks;
+            /// <summary>
+            /// time of last access
+            /// </summary>
+            Int64 st_atime;
+            /// <summary>
+            /// time of last access nanosecond
+            /// </summary>
+            UInt64 st_atimensec;
+            /// <summary>
+            /// time of last modification
+            /// </summary>
+            Int64 st_mtime;
+            /// <summary>
+            /// time of last modification naonsecond
+            /// </summary>
+            UInt64 st_mtimensec;
+            /// <summary>
+            /// time of last status change
+            /// </summary>
+            Int64 st_ctime;
+            /// <summary>
+            /// time of last status change nanosecond
+            /// </summary>
+            UInt64 st_ctimensec;
+            [MarshalAs(UnmanagedType.ByValArray, 
+                ArraySubType = UnmanagedType.I8, SizeConst = 3)]
+            [Obsolete("RESERVED: DO NOT USE")]
+            Int64[] __glibc_reserved;
+        }
+
+        /// <summary>
+        /// stat(2) structure when __DARWIN_64_BIT_INO_T is NOT defined
+        /// </summary>
+        [StructLayout(LayoutKind.Sequential)]
+        internal struct Stat
+        {
+            /// <summary>
+            /// ID of device containing file
+            /// </summary>
+            UInt64 st_dev;
+            /// <summary>
+            /// padding
+            /// </summary>
+            UInt16 __pad1;
+            /// <summary>
+            /// inode number
+            /// </summary>
+            UInt32 st_ino;
+            /// <summary>
+            /// protection
+            /// </summary>
+            mode_t st_mode;
+            /// <summary>
+            /// number of hard links
+            /// </summary>
+            UInt32 st_nlink;
+            /// <summary>
+            /// user ID of owner
+            /// </summary>
+            UInt32 st_uid;
+            /// <summary>
+            /// group ID of owner
+            /// </summary>
+            UInt32 st_gid;
+            /// <summary>
+            /// device ID (if special file)
+            /// </summary>
+            UInt64 st_rdev;
+            /// <summary>
+            /// padding
+            /// </summary>
+            UInt16 __pad2;
+            /// <summary>
+            /// total size, in bytes
+            /// </summary>
+            Int32 st_size;
+            /// <summary>
+            /// blocksize for filesystem I/O
+            /// </summary>
+            Int32 st_blksize;
+            /// <summary>
+            /// number of 512B blocks allocated
+            /// </summary>
+            Int32 st_blocks;
+            /// <summary>
+            /// time of last access
+            /// </summary>
+            Timespec st_atim;
+            /// <summary>
+            /// time of last modification
+            /// </summary>
+            Timespec st_mtim;
+            /// <summary>
+            /// time of last status change
+            /// </summary>
+            Timespec st_ctim;
+            [Obsolete("RESERVED: DO NOT USE")]
+            UInt32 __glibc_reserved4;
+            [Obsolete("RESERVED: DO NOT USE")]
+            UInt32 __glibc_reserved5;
+        }
+
+        /// <summary>
+        /// File mode and permissions
+        /// </summary>
+        [Flags]
+        internal enum mode_t : UInt32
+        {
+            /// <summary>
+            ///    bit mask for the file type bit fields
+            /// </summary>
+            S_IFMT = 0x0170000,
+            /// <summary>
+            /// socket
+            /// </summary>
+            S_IFSOCK = 0x0140000,
+            /// <summary>
+            /// symbolic link
+            /// </summary>
+            S_IFLNK = 0x0120000,
+            /// <summary>
+            /// regular file
+            /// </summary>
+            S_IFREG = 0x0100000,
+            /// <summary>
+            /// block device
+            /// </summary>
+            S_IFBLK = 0x0060000,
+            /// <summary>
+            /// directory
+            /// </summary>
+            S_IFDIR = 0x0040000,
+            /// <summary>
+            /// character device
+            /// </summary>
+            S_IFCHR = 0x0020000,
+            /// <summary>
+            /// FIFO
+            /// </summary>
+            S_IFIFO = 0x0010000,
+            /// <summary>
+            /// set-user-ID bit
+            /// </summary>
+            S_ISUID = 0x0004000,
+            /// <summary>
+            /// set-group-ID bit
+            /// </summary>
+            S_ISGID = 0x0002000,
+            /// <summary>
+            /// sticky bit (see below)
+            /// </summary>
+            S_ISVTX = 0x0001000,
+            /// <summary>
+            /// mask for file owner permissions
+            /// </summary>
+            S_IRWXU = 0x00700,
+            /// <summary>
+            /// owner has read permission
+            /// </summary>
+            S_IRUSR = 0x00400,
+            /// <summary>
+            /// owner has write permission
+            /// </summary>
+            S_IWUSR = 0x00200,
+            /// <summary>
+            /// owner has execute permission
+            /// </summary>
+            S_IXUSR = 0x00100,
+            /// <summary>
+            /// mask for group permissions
+            /// </summary>
+            S_IRWXG = 0x00070,
+            /// <summary>
+            /// group has read permission
+            /// </summary>
+            S_IRGRP = 0x00040,
+            /// <summary>
+            /// group has write permission
+            /// </summary>
+            S_IWGRP = 0x00020,
+            /// <summary>
+            /// group has execute permission
+            /// </summary>
+            S_IXGRP = 0x00010,
+            /// <summary>
+            /// mask for permissions for others (not in group)
+            /// </summary>
+            S_IRWXO = 0x00007,
+            /// <summary>
+            /// others have read permission
+            /// </summary>
+            S_IROTH = 0x00004,
+            /// <summary>
+            /// others have write permission
+            /// </summary>
+            S_IWOTH = 0x00002,
+            /// <summary>
+            /// others have execute permission
+            /// </summary>
+            S_IXOTH = 0x00001
+        }
+
+
+        /// <summary>
+        /// Obtains information of the file pointed by <paramref name="path"/>.
+        /// Calls to system's stat(2) for 32 bit systems
+        /// </summary>
+        /// <param name="path">Path to the file.</param>
+        /// <param name="buf"><see cref="Stat"/>.</param>
+        /// <returns>On success, 0. On failure, -1, and errno is set.</returns>
+        [DllImport(Libraries.Libc, SetLastError = true)]
+        public static extern int stat(string path, out Stat buf);
+
+        /// <summary>
+        /// Obtains information of the file pointed by <paramref name="path"/>.
+        /// Calls to system's stat(2) for 64 bit systems
+        /// </summary>
+        /// <param name="path">Path to the file.</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, EntryPoint="stat")]
+        public static extern int stat64(string path, out Stat64 buf);
+    }
+}
+

Claunia.IO/Interop/Linux/Interop.Linux.types.cs

@@ -234,5 +234,18 @@ internal static partial class Interop
             /// </summary>
             ST_RELATIME = 0x1000
         }
+
+        [StructLayout(LayoutKind.Sequential)]
+        internal struct Timespec
+        {
+            /// <summary>
+            /// Seconds
+            /// </summary>
+            public Int32 tv_sec;
+            /// <summary>
+            /// Nanoseconds
+            /// </summary>
+            public Int32 tv_nsec;
+        }
     }
 }