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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-2"></a><span class='hs-comment'>{- Windows compatibility layer
<a name="line-3"></a>Copyright (C) 2005 John Goerzen <jgoerzen@complete.org>
<a name="line-4"></a>
<a name="line-5"></a>This program is free software; you can redistribute it and/or modify
<a name="line-6"></a>it under the terms of the GNU General Public License as published by
<a name="line-7"></a>the Free Software Foundation; either version 2 of the License, or
<a name="line-8"></a>(at your option) any later version.
<a name="line-9"></a>
<a name="line-10"></a>This program is distributed in the hope that it will be useful,
<a name="line-11"></a>but WITHOUT ANY WARRANTY; without even the implied warranty of
<a name="line-12"></a>MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<a name="line-13"></a>GNU General Public License for more details.
<a name="line-14"></a>
<a name="line-15"></a>You should have received a copy of the GNU General Public License
<a name="line-16"></a>along with this program; if not, write to the Free Software
<a name="line-17"></a>Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
<a name="line-18"></a>-}</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-comment'>{- |
<a name="line-21"></a> Module : System.IO.WindowsCompat
<a name="line-22"></a> Copyright : Copyright (C) 2005 John Goerzen
<a name="line-23"></a> License : GNU GPL, version 2 or above
<a name="line-24"></a>
<a name="line-25"></a> Maintainer : John Goerzen <jgoerzen@complete.org>
<a name="line-26"></a> Stability : provisional
<a name="line-27"></a> Portability: portable
<a name="line-28"></a>
<a name="line-29"></a>Provides some types and related items on Windows to be compatible with
<a name="line-30"></a>the System.Posix.* libraries
<a name="line-31"></a>
<a name="line-32"></a>See also "System.IO.StatCompat", which this module re-exports.
<a name="line-33"></a>
<a name="line-34"></a>Copyright (c) 2005 John Goerzen, jgoerzen\@complete.org
<a name="line-35"></a>
<a name="line-36"></a>On non-Windows platforms, this module does nothing.
<a name="line-37"></a>
<a name="line-38"></a>On Windows, it re-exports "System.IO.StatCompat". It also provides various
<a name="line-39"></a>file type information modes that are otherwise in "System.Posix.Types" or
<a name="line-40"></a>"System.Posix.Files". It also provides
<a name="line-41"></a>a rudimentary implemention of getFileStatus that emulates the Posix call
<a name="line-42"></a>to stat(2).
<a name="line-43"></a>
<a name="line-44"></a>Common usage might be like this:
<a name="line-45"></a>
<a name="line-46"></a>>import System.Posix.Types
<a name="line-47"></a>>#if (defined(mingw32_HOST_OS) || defined(mingw32_TARGET_OS) || defined(__MINGW32__))
<a name="line-48"></a>>import System.IO.WindowsCompat
<a name="line-49"></a>>#else
<a name="line-50"></a>>import System.Posix.Files
<a name="line-51"></a>>#endif
<a name="line-52"></a>
<a name="line-53"></a>Or, to avoid having to use CPP and make things even easier, just import
<a name="line-54"></a>"System.IO.PlafCompat", which essentially does the above.
<a name="line-55"></a>
<a name="line-56"></a>-}</span>
<a name="line-57"></a>
<a name="line-58"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>WindowsCompat</span>
<a name="line-59"></a><span class='hs-cpp'>#if !(defined(mingw32_HOST_OS) || defined(mingw32_TARGET_OS) || defined(__MINGW32__))</span>
<a name="line-60"></a><span class='hs-keyword'>where</span>
<a name="line-61"></a><span class='hs-cpp'>#else</span>
<a name="line-62"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>StatCompat</span><span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>WindowsCompat</span><span class='hs-layout'>)</span>
<a name="line-63"></a><span class='hs-keyword'>where</span>
<a name="line-64"></a>
<a name="line-65"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-66"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Bits</span>
<a name="line-67"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>StatCompat</span>
<a name="line-68"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Consts</span>
<a name="line-69"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Time</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span>
<a name="line-70"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span>
<a name="line-71"></a>
<a name="line-72"></a><span class='hs-comment'>-- these types aren't defined here</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="nullFileMode"></a><span class='hs-definition'>nullFileMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-75"></a><span class='hs-definition'>nullFileMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-76"></a>
<a name="line-77"></a><a name="ownerReadMode"></a><span class='hs-definition'>ownerReadMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-78"></a><span class='hs-definition'>ownerReadMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00400</span>
<a name="line-79"></a>
<a name="line-80"></a><a name="ownerWriteMode"></a><span class='hs-definition'>ownerWriteMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-81"></a><span class='hs-definition'>ownerWriteMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00200</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="ownerExecuteMode"></a><span class='hs-definition'>ownerExecuteMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-84"></a><span class='hs-definition'>ownerExecuteMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00100</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="groupReadMode"></a><span class='hs-definition'>groupReadMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-87"></a><span class='hs-definition'>groupReadMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00040</span>
<a name="line-88"></a>
<a name="line-89"></a><a name="groupWriteMode"></a><span class='hs-definition'>groupWriteMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-90"></a><span class='hs-definition'>groupWriteMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00020</span>
<a name="line-91"></a>
<a name="line-92"></a><a name="groupExecuteMode"></a><span class='hs-definition'>groupExecuteMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-93"></a><span class='hs-definition'>groupExecuteMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00010</span>
<a name="line-94"></a>
<a name="line-95"></a><a name="otherReadMode"></a><span class='hs-definition'>otherReadMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-96"></a><span class='hs-definition'>otherReadMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00004</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="otherWriteMode"></a><span class='hs-definition'>otherWriteMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-99"></a><span class='hs-definition'>otherWriteMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00002</span>
<a name="line-100"></a>
<a name="line-101"></a><a name="otherExecuteMode"></a><span class='hs-definition'>otherExecuteMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-102"></a><span class='hs-definition'>otherExecuteMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00001</span>
<a name="line-103"></a>
<a name="line-104"></a><a name="setUserIDMode"></a><span class='hs-definition'>setUserIDMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-105"></a><span class='hs-definition'>setUserIDMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o0004000</span>
<a name="line-106"></a>
<a name="line-107"></a><a name="setGroupIDMode"></a><span class='hs-definition'>setGroupIDMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-108"></a><span class='hs-definition'>setGroupIDMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o0002000</span>
<a name="line-109"></a>
<a name="line-110"></a><a name="stdFileMode"></a><span class='hs-definition'>stdFileMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-111"></a><span class='hs-definition'>stdFileMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ownerReadMode</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>ownerWriteMode</span> <span class='hs-varop'>.|.</span>
<a name="line-112"></a> <span class='hs-varid'>groupReadMode</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>groupWriteMode</span> <span class='hs-varop'>.|.</span>
<a name="line-113"></a> <span class='hs-varid'>otherReadMode</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>otherWriteMode</span>
<a name="line-114"></a>
<a name="line-115"></a><a name="ownerModes"></a><span class='hs-definition'>ownerModes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-116"></a><span class='hs-definition'>ownerModes</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00700</span>
<a name="line-117"></a>
<a name="line-118"></a><a name="groupModes"></a><span class='hs-definition'>groupModes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-119"></a><span class='hs-definition'>groupModes</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00070</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="otherModes"></a><span class='hs-definition'>otherModes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-122"></a><span class='hs-definition'>otherModes</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0o00007</span>
<a name="line-123"></a>
<a name="line-124"></a><a name="accessModes"></a><span class='hs-definition'>accessModes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileMode</span>
<a name="line-125"></a><span class='hs-definition'>accessModes</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ownerModes</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>groupModes</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>otherModes</span>
<a name="line-126"></a>
<a name="line-127"></a><a name="FileStatus"></a><span class='hs-comment'>----------- stat</span>
<a name="line-128"></a><a name="FileStatus"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>FileStatus</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FileStatusCompat</span>
<a name="line-129"></a><a name="getFileStatus"></a><span class='hs-definition'>getFileStatus</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>FileStatus</span>
<a name="line-130"></a><span class='hs-definition'>getFileStatus</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
<a name="line-131"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>isfile</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>fp</span>
<a name="line-132"></a> <span class='hs-varid'>isdir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>fp</span>
<a name="line-133"></a> <span class='hs-varid'>perms</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getPermissions</span> <span class='hs-varid'>fp</span>
<a name="line-134"></a> <span class='hs-varid'>modct</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getModificationTime</span> <span class='hs-varid'>fp</span>
<a name="line-135"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>epochtime</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>clockTimeToEpoch</span> <span class='hs-varid'>modct</span>
<a name="line-136"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>FileStatusCompat</span> <span class='hs-layout'>{</span><span class='hs-varid'>deviceID</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>,</span>
<a name="line-137"></a> <span class='hs-varid'>fileID</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>,</span>
<a name="line-138"></a> <span class='hs-varid'>fileMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isfile</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>regularFileMode</span>
<a name="line-139"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>directoryMode</span><span class='hs-layout'>,</span>
<a name="line-140"></a> <span class='hs-varid'>linkCount</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1</span><span class='hs-layout'>,</span>
<a name="line-141"></a> <span class='hs-varid'>fileOwner</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span>
<a name="line-142"></a> <span class='hs-varid'>fileGroup</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span>
<a name="line-143"></a> <span class='hs-varid'>specialDeviceID</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>,</span>
<a name="line-144"></a> <span class='hs-varid'>fileSize</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- fixme: hFileSize?</span>
<a name="line-145"></a> <span class='hs-varid'>accessTime</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromInteger</span> <span class='hs-varid'>epochtime</span><span class='hs-layout'>,</span>
<a name="line-146"></a> <span class='hs-varid'>modificationTime</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromInteger</span> <span class='hs-varid'>epochtime</span><span class='hs-layout'>,</span>
<a name="line-147"></a> <span class='hs-varid'>statusChangeTime</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromInteger</span> <span class='hs-varid'>epochtime</span>
<a name="line-148"></a> <span class='hs-layout'>}</span>
<a name="line-149"></a><span class='hs-cpp'>#endif</span>
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