| Current File : //usr/share/doc/dbus/api/dbus-file-win_8c_source.html |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>D-Bus: dbus-file-win.c Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">D-Bus
 <span id="projectnumber">1.8.20</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- Generated by Doxygen 1.7.6.1 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
</ul>
</div>
</div>
<div class="header">
<div class="headertitle">
<div class="title">dbus-file-win.c</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/* dbus-file-win.c windows related file implementation (internal to D-Bus implementation)</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002, 2003, 2006 Red Hat, Inc.</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2003 CodeFactory AB</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Licensed under the Academic Free License version 2.1</span>
<a name="l00008"></a>00008 <span class="comment"> * </span>
<a name="l00009"></a>00009 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment"> * (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00017"></a>00017 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00018"></a>00018 <span class="comment"> * </span>
<a name="l00019"></a>00019 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00020"></a>00020 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00021"></a>00021 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00022"></a>00022 <span class="comment"> *</span>
<a name="l00023"></a>00023 <span class="comment"> */</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <config.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "dbus-protocol.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "dbus-string.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "dbus-internals.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "dbus-sysdeps-win.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "dbus-pipe.h"</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include <windows.h></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034
<a name="l00046"></a>00046 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00047"></a>00047 _dbus_file_read (HANDLE hnd,
<a name="l00048"></a>00048 <a class="code" href="structDBusString.html">DBusString</a> *buffer,
<a name="l00049"></a>00049 <span class="keywordtype">int</span> count,
<a name="l00050"></a>00050 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> *error)
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 BOOL result;
<a name="l00053"></a>00053 DWORD bytes_read;
<a name="l00054"></a>00054 <span class="keywordtype">int</span> start;
<a name="l00055"></a>00055 <span class="keywordtype">char</span> *data;
<a name="l00056"></a>00056
<a name="l00057"></a>00057 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00058"></a>00058
<a name="l00059"></a>00059 _dbus_assert (count >= 0);
<a name="l00060"></a>00060
<a name="l00061"></a>00061 start = <a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (buffer);
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga8f13997d90ceed2f437706e6b7804d9b" title="Makes a string longer by the given number of bytes.">_dbus_string_lengthen</a> (buffer, count))
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gac32eaf0b92f798307853cd4fe0cf11c2" title="There was not enough memory to complete an operation.">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00066"></a>00066 <span class="keywordflow">return</span> -1;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 data = <a class="code" href="group__DBusString.html#ga7a73fb373398606e6e1d0a86c4587a3c" title="Gets a sub-portion of the raw character buffer from the string.">_dbus_string_get_data_len</a> (buffer, start, count);
<a name="l00070"></a>00070
<a name="l00071"></a>00071 result = ReadFile (hnd, data, count, &bytes_read, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (result == 0)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00075"></a>00075 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00076"></a>00076 <span class="stringliteral">"Failed to read from 0x%x: %s"</span>, hnd, emsg);
<a name="l00077"></a>00077 _dbus_win_free_error_string (emsg);
<a name="l00078"></a>00078 <span class="keywordflow">return</span> -1;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordflow">if</span> (bytes_read)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <span class="comment">/* put length back (doesn't actually realloc) */</span>
<a name="l00084"></a>00084 <a class="code" href="group__DBusString.html#ga08c423b93c28dd746dcb93e0461ab95c" title="Sets the length of a string.">_dbus_string_set_length</a> (buffer, start + bytes_read);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="preprocessor">#if 0</span>
<a name="l00087"></a>00087 <span class="preprocessor"></span> <span class="keywordflow">if</span> (bytes_read > 0)
<a name="l00088"></a>00088 <a class="code" href="group__DBusMarshal.html#ga3926bb35edf78d114cf0c341fe3258e0" title="Dump the given part of the string to verbose log.">_dbus_verbose_bytes_of_string</a> (buffer, start, bytes_read);
<a name="l00089"></a>00089 <span class="preprocessor">#endif</span>
<a name="l00090"></a>00090 <span class="preprocessor"></span> }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordflow">return</span> bytes_read;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095
<a name="l00106"></a>00106 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00107"></a><a class="code" href="group__DBusFile.html#gad22d468e789139c87f7f4bb97cadf448">00107</a> <a class="code" href="group__DBusFile.html#gad22d468e789139c87f7f4bb97cadf448" title="Appends the contents of the given file to the string, returning error code.">_dbus_file_get_contents</a> (<a class="code" href="structDBusString.html">DBusString</a> *str,
<a name="l00108"></a>00108 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l00109"></a>00109 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> *error)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 HANDLE hnd;
<a name="l00112"></a>00112 DWORD fsize;
<a name="l00113"></a>00113 DWORD fsize_hi;
<a name="l00114"></a>00114 <span class="keywordtype">int</span> orig_len;
<a name="l00115"></a>00115 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> total;
<a name="l00116"></a>00116 <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l00117"></a>00117
<a name="l00118"></a>00118 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00119"></a>00119
<a name="l00120"></a>00120 filename_c = <a class="code" href="group__DBusString.html#ga33e20241ae7d784624f97d89b1a0539e" title="Gets the raw character buffer from a const string.">_dbus_string_get_const_data</a> (filename);
<a name="l00121"></a>00121
<a name="l00122"></a>00122 hnd = CreateFileA (filename_c, GENERIC_READ,
<a name="l00123"></a>00123 FILE_SHARE_READ | FILE_SHARE_WRITE,
<a name="l00124"></a>00124 <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (hnd == INVALID_HANDLE_VALUE)
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00128"></a>00128 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00129"></a>00129 <span class="stringliteral">"Failed to open \"%s\": %s"</span>, filename_c, emsg);
<a name="l00130"></a>00130 _dbus_win_free_error_string (emsg);
<a name="l00131"></a>00131 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134 _dbus_verbose (<span class="stringliteral">"file %s hnd %p opened\n"</span>, filename_c, hnd);
<a name="l00135"></a>00135
<a name="l00136"></a>00136 fsize = GetFileSize (hnd, &fsize_hi);
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (fsize == 0xFFFFFFFF && GetLastError() != NO_ERROR)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00140"></a>00140 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00141"></a>00141 <span class="stringliteral">"Failed to get file size for \"%s\": %s"</span>,
<a name="l00142"></a>00142 filename_c, emsg);
<a name="l00143"></a>00143 _dbus_win_free_error_string (emsg);
<a name="l00144"></a>00144
<a name="l00145"></a>00145 _dbus_verbose (<span class="stringliteral">"GetFileSize() failed: %s"</span>, emsg);
<a name="l00146"></a>00146
<a name="l00147"></a>00147 CloseHandle (hnd);
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keywordflow">if</span> (fsize_hi != 0 || fsize > _DBUS_ONE_MEGABYTE)
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gabb62fd6340d0787fbd56ff8dd2f326c7" title="A generic error; "something went wrong" - see the error message for more.">DBUS_ERROR_FAILED</a>,
<a name="l00155"></a>00155 <span class="stringliteral">"File size %lu/%lu of \"%s\" is too large."</span>,
<a name="l00156"></a>00156 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) fsize_hi,
<a name="l00157"></a>00157 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) fsize, filename_c);
<a name="l00158"></a>00158 CloseHandle (hnd);
<a name="l00159"></a>00159 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162 total = 0;
<a name="l00163"></a>00163 orig_len = <a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (str);
<a name="l00164"></a>00164 <span class="keywordflow">if</span> (fsize > 0)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 <span class="keywordtype">int</span> bytes_read;
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordflow">while</span> (total < fsize)
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 bytes_read = _dbus_file_read (hnd, str, fsize - total, error);
<a name="l00171"></a>00171 <span class="keywordflow">if</span> (bytes_read <= 0)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 <span class="keywordflow">if</span> (bytes_read == 0)
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gabb62fd6340d0787fbd56ff8dd2f326c7" title="A generic error; "something went wrong" - see the error message for more.">DBUS_ERROR_FAILED</a>,
<a name="l00176"></a>00176 <span class="stringliteral">"Premature EOF reading \"%s\""</span>,
<a name="l00177"></a>00177 filename_c);
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 <span class="keywordflow">else</span>
<a name="l00180"></a>00180 _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l00181"></a>00181
<a name="l00182"></a>00182 CloseHandle (hnd);
<a name="l00183"></a>00183 <a class="code" href="group__DBusString.html#ga08c423b93c28dd746dcb93e0461ab95c" title="Sets the length of a string.">_dbus_string_set_length</a> (str, orig_len);
<a name="l00184"></a>00184 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 <span class="keywordflow">else</span>
<a name="l00187"></a>00187 total += bytes_read;
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a>00190 CloseHandle (hnd);
<a name="l00191"></a>00191 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193 <span class="keywordflow">else</span>
<a name="l00194"></a>00194 {
<a name="l00195"></a>00195 CloseHandle (hnd);
<a name="l00196"></a>00196 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200
<a name="l00211"></a>00211 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00212"></a><a class="code" href="group__DBusFile.html#ga2adba123fde18c9d1d9eaf1347980d57">00212</a> <a class="code" href="group__DBusFile.html#ga2adba123fde18c9d1d9eaf1347980d57" title="Writes a string out to a file.">_dbus_string_save_to_file</a> (<span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *str,
<a name="l00213"></a>00213 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l00214"></a>00214 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> world_readable,
<a name="l00215"></a>00215 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> *error)
<a name="l00216"></a>00216 {
<a name="l00217"></a>00217 HANDLE hnd;
<a name="l00218"></a>00218 <span class="keywordtype">int</span> bytes_to_write;
<a name="l00219"></a>00219 <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l00220"></a>00220 <a class="code" href="structDBusString.html">DBusString</a> tmp_filename;
<a name="l00221"></a>00221 <span class="keyword">const</span> <span class="keywordtype">char</span> *tmp_filename_c;
<a name="l00222"></a>00222 <span class="keywordtype">int</span> total;
<a name="l00223"></a>00223 <span class="keyword">const</span> <span class="keywordtype">char</span> *str_c;
<a name="l00224"></a>00224 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> need_unlink;
<a name="l00225"></a>00225 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> retval;
<a name="l00226"></a>00226
<a name="l00227"></a>00227 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00228"></a>00228
<a name="l00229"></a>00229 hnd = INVALID_HANDLE_VALUE;
<a name="l00230"></a>00230 retval = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00231"></a>00231 need_unlink = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga348252317f7bb8ac43529972945830ae" title="Initializes a string.">_dbus_string_init</a> (&tmp_filename))
<a name="l00234"></a>00234 {
<a name="l00235"></a>00235 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gac32eaf0b92f798307853cd4fe0cf11c2" title="There was not enough memory to complete an operation.">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00236"></a>00236 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga3c10f0d1bcaa3b450025b9c6a8b901d7" title="Like _dbus_string_move(), but does not delete the section of the source string that's copied to the d...">_dbus_string_copy</a> (filename, 0, &tmp_filename, 0))
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gac32eaf0b92f798307853cd4fe0cf11c2" title="There was not enough memory to complete an operation.">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00242"></a>00242 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&tmp_filename);
<a name="l00243"></a>00243 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga100c5ce0696822c5a4cfbdfaba674d96" title="Appends a nul-terminated C-style string to a DBusString.">_dbus_string_append</a> (&tmp_filename, <span class="stringliteral">"."</span>))
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gac32eaf0b92f798307853cd4fe0cf11c2" title="There was not enough memory to complete an operation.">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00249"></a>00249 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&tmp_filename);
<a name="l00250"></a>00250 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="preprocessor">#define N_TMP_FILENAME_RANDOM_BYTES 8</span>
<a name="l00254"></a>00254 <span class="preprocessor"></span> <span class="keywordflow">if</span> (!<a class="code" href="group__DBusInternalsUtils.html#ga709ce349c6ee05263850444fb4e0177d" title="Generates the given number of random bytes, where the bytes are chosen from the alphanumeric ASCII su...">_dbus_generate_random_ascii</a> (&tmp_filename, N_TMP_FILENAME_RANDOM_BYTES))
<a name="l00255"></a>00255 {
<a name="l00256"></a>00256 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gac32eaf0b92f798307853cd4fe0cf11c2" title="There was not enough memory to complete an operation.">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00257"></a>00257 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&tmp_filename);
<a name="l00258"></a>00258 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260
<a name="l00261"></a>00261 filename_c = <a class="code" href="group__DBusString.html#ga33e20241ae7d784624f97d89b1a0539e" title="Gets the raw character buffer from a const string.">_dbus_string_get_const_data</a> (filename);
<a name="l00262"></a>00262 tmp_filename_c = <a class="code" href="group__DBusString.html#ga33e20241ae7d784624f97d89b1a0539e" title="Gets the raw character buffer from a const string.">_dbus_string_get_const_data</a> (&tmp_filename);
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="comment">/* TODO - support world-readable in an atomic fashion */</span>
<a name="l00265"></a>00265 hnd = CreateFileA (tmp_filename_c, GENERIC_WRITE,
<a name="l00266"></a>00266 FILE_SHARE_READ | FILE_SHARE_WRITE,
<a name="l00267"></a>00267 <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, CREATE_NEW, FILE_ATTRIBUTE_NORMAL,
<a name="l00268"></a>00268 INVALID_HANDLE_VALUE);
<a name="l00269"></a>00269 <span class="keywordflow">if</span> (hnd == INVALID_HANDLE_VALUE)
<a name="l00270"></a>00270 {
<a name="l00271"></a>00271 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00272"></a>00272 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00273"></a>00273 <span class="stringliteral">"Could not create \"%s\": %s"</span>, filename_c, emsg);
<a name="l00274"></a>00274 _dbus_win_free_error_string (emsg);
<a name="l00275"></a>00275 <span class="keywordflow">goto</span> out;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (world_readable)
<a name="l00278"></a>00278 {
<a name="l00279"></a>00279 <span class="keywordflow">if</span> (! <a class="code" href="group__DBusFile.html#ga7c83e2e20811330d1d1b2f6249dbe66c" title="Makes the file readable by every user in the system.">_dbus_make_file_world_readable</a> (&tmp_filename, error))
<a name="l00280"></a>00280 <span class="keywordflow">goto</span> out;
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 _dbus_verbose (<span class="stringliteral">"tmp file %s hnd %p opened\n"</span>, tmp_filename_c, hnd);
<a name="l00284"></a>00284
<a name="l00285"></a>00285 need_unlink = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00286"></a>00286
<a name="l00287"></a>00287 total = 0;
<a name="l00288"></a>00288 bytes_to_write = <a class="code" href="group__DBusString.html#gaa5136e6fd2c5188f4b88de7863369c6d" title="Gets the length of a string (not including nul termination).">_dbus_string_get_length</a> (str);
<a name="l00289"></a>00289 str_c = <a class="code" href="group__DBusString.html#ga33e20241ae7d784624f97d89b1a0539e" title="Gets the raw character buffer from a const string.">_dbus_string_get_const_data</a> (str);
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="keywordflow">while</span> (total < bytes_to_write)
<a name="l00292"></a>00292 {
<a name="l00293"></a>00293 DWORD bytes_written;
<a name="l00294"></a>00294 BOOL res;
<a name="l00295"></a>00295
<a name="l00296"></a>00296 res = WriteFile (hnd, str_c + total, bytes_to_write - total,
<a name="l00297"></a>00297 &bytes_written, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (res == 0 || bytes_written <= 0)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00302"></a>00302 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00303"></a>00303 <span class="stringliteral">"Could not write to %s: %s"</span>, tmp_filename_c, emsg);
<a name="l00304"></a>00304 _dbus_win_free_error_string (emsg);
<a name="l00305"></a>00305 <span class="keywordflow">goto</span> out;
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307
<a name="l00308"></a>00308 total += bytes_written;
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <span class="keywordflow">if</span> (CloseHandle (hnd) == 0)
<a name="l00312"></a>00312 {
<a name="l00313"></a>00313 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00314"></a>00314 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00315"></a>00315 <span class="stringliteral">"Could not close file %s: %s"</span>, tmp_filename_c, emsg);
<a name="l00316"></a>00316 _dbus_win_free_error_string (emsg);
<a name="l00317"></a>00317 <span class="keywordflow">goto</span> out;
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319
<a name="l00320"></a>00320 hnd = INVALID_HANDLE_VALUE;
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="comment">/* Unlike rename(), MoveFileEx() can replace existing files */</span>
<a name="l00323"></a>00323 <span class="keywordflow">if</span> (!MoveFileExA (tmp_filename_c, filename_c, MOVEFILE_REPLACE_EXISTING))
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00326"></a>00326 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00327"></a>00327 <span class="stringliteral">"Could not rename %s to %s: %s"</span>,
<a name="l00328"></a>00328 tmp_filename_c, filename_c, emsg);
<a name="l00329"></a>00329 _dbus_win_free_error_string (emsg);
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordflow">goto</span> out;
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333
<a name="l00334"></a>00334 need_unlink = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 retval = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00337"></a>00337
<a name="l00338"></a>00338 out:
<a name="l00339"></a>00339 <span class="comment">/* close first, then unlink */</span>
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (hnd != INVALID_HANDLE_VALUE)
<a name="l00342"></a>00342 CloseHandle (hnd);
<a name="l00343"></a>00343
<a name="l00344"></a>00344 <span class="keywordflow">if</span> (need_unlink && DeleteFileA (tmp_filename_c) == 0)
<a name="l00345"></a>00345 {
<a name="l00346"></a>00346 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00347"></a>00347 _dbus_verbose (<span class="stringliteral">"Failed to unlink temp file %s: %s"</span>, tmp_filename_c,
<a name="l00348"></a>00348 emsg);
<a name="l00349"></a>00349 _dbus_win_free_error_string (emsg);
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351
<a name="l00352"></a>00352 <a class="code" href="group__DBusString.html#ga781ca91acda49a834dce7d0ed0eef212" title="Frees a string created by _dbus_string_init().">_dbus_string_free</a> (&tmp_filename);
<a name="l00353"></a>00353
<a name="l00354"></a>00354 <span class="keywordflow">if</span> (!retval)
<a name="l00355"></a>00355 _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="keywordflow">return</span> retval;
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a>00360
<a name="l00367"></a>00367 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00368"></a><a class="code" href="group__DBusFile.html#ga22665c6d5899c913e03930f90d144f46">00368</a> <a class="code" href="group__DBusFile.html#ga22665c6d5899c913e03930f90d144f46" title="Creates the given file, failing if the file already exists.">_dbus_create_file_exclusively</a> (<span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l00369"></a>00369 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> *error)
<a name="l00370"></a>00370 {
<a name="l00371"></a>00371 HANDLE hnd;
<a name="l00372"></a>00372 <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l00373"></a>00373
<a name="l00374"></a>00374 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00375"></a>00375
<a name="l00376"></a>00376 filename_c = <a class="code" href="group__DBusString.html#ga33e20241ae7d784624f97d89b1a0539e" title="Gets the raw character buffer from a const string.">_dbus_string_get_const_data</a> (filename);
<a name="l00377"></a>00377
<a name="l00378"></a>00378 hnd = CreateFileA (filename_c, GENERIC_WRITE,
<a name="l00379"></a>00379 FILE_SHARE_READ | FILE_SHARE_WRITE,
<a name="l00380"></a>00380 <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, CREATE_NEW, FILE_ATTRIBUTE_NORMAL,
<a name="l00381"></a>00381 INVALID_HANDLE_VALUE);
<a name="l00382"></a>00382 <span class="keywordflow">if</span> (hnd == INVALID_HANDLE_VALUE)
<a name="l00383"></a>00383 {
<a name="l00384"></a>00384 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00385"></a>00385 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00386"></a>00386 <span class="stringliteral">"Could not create file %s: %s"</span>,
<a name="l00387"></a>00387 filename_c, emsg);
<a name="l00388"></a>00388 _dbus_win_free_error_string (emsg);
<a name="l00389"></a>00389 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00392"></a>00392 _dbus_verbose (<span class="stringliteral">"exclusive file %s hnd %p opened\n"</span>, filename_c, hnd);
<a name="l00393"></a>00393
<a name="l00394"></a>00394 <span class="keywordflow">if</span> (CloseHandle (hnd) == 0)
<a name="l00395"></a>00395 {
<a name="l00396"></a>00396 <span class="keywordtype">char</span> *emsg = _dbus_win_error_string (GetLastError ());
<a name="l00397"></a>00397 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, _dbus_win_error_from_last_error (),
<a name="l00398"></a>00398 <span class="stringliteral">"Could not close file %s: %s"</span>,
<a name="l00399"></a>00399 filename_c, emsg);
<a name="l00400"></a>00400 _dbus_win_free_error_string (emsg);
<a name="l00401"></a>00401
<a name="l00402"></a>00402 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404
<a name="l00405"></a>00405 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00406"></a>00406 }
<a name="l00407"></a>00407
</pre></div></div><!-- contents -->
<hr class="footer"/><address class="footer"><small>
Generated on Thu Mar 3 2016 17:50:30 for D-Bus by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.7.6.1
</small></address>
</body>
</html>