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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>FSMegaInfo - /DiskArb.c</title>
<!-- END TITLE -->
<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body>
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<center>
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<!-- BEGIN LOGO AND SEARCH -->
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<div id="breadcrumb">
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td scope="row"><img width="340" height="10" src="images/1dot.gif" alt=""></td>
<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
</tr>
<tr valign="middle">
<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Darwin/index.html">Darwin</a> > <a href="../../samplecode/Darwin/idxFileManagement-date.html">File Management</a> > <A HREF="javascript:location.replace('index.html');">FSMegaInfo</A> >
</td>
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<!-- START MAIN CONTENT -->
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<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">FSMegaInfo</div></h1></td>
</tr>
</table>
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<tr align="left" valign="top">
<td id="scdetails">
<h2>/DiskArb.c</h2>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/AliasManager.c</option>
<option value="listing2.html">/BSD.c</option>
<option value="listing3.html">/BSD.h</option>
<option value="listing4.html">/BSDAttrList.c</option>
<option value="listing5.html">/Command.c</option>
<option value="listing6.html">/Command.h</option>
<option value="listing7.html">/DiskArb.c</option>
<option value="listing8.html">/FieldPrinter.c</option>
<option value="listing9.html">/FieldPrinter.h</option>
<option value="listing10.html">/FileManager.c</option>
<option value="listing11.html">/FolderManager.c</option>
<option value="listing12.html">/FSMegaInfo.c</option>
<option value="listing13.html">/Read Me About FSMegaInfo.txt</option>
<option value="listing14.html">/Tests/ten-five-intel.txt</option>
<option value="listing15.html">/Tests/ten-five-one-ppc64.txt</option>
<option value="listing16.html">/Tests/ten-five-ppc.txt</option>
<option value="listing17.html">/Tests/ten-four-eleven-intel.txt</option>
<option value="listing18.html">/Tests/ten-four-eleven-ppc.txt</option></select>
</p>
</form>
<p><strong><a href="FSMegaInfo.zip">Download Sample</a></strong> (“FSMegaInfo.zip”, 522.7K)<BR>
<strong><a href="FSMegaInfo.dmg">Download Sample</a></strong> (“FSMegaInfo.dmg”, 920.2K)</p>
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<!--googleon: index -->
<pre class="sourcecodebox">/*
File: DiskArb.c
Contains: Disk Arbitration command processing.
Written by: DTS
Copyright: Copyright (c) 2008 Apple Inc. All Rights Reserved.
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc.
("Apple") in consideration of your agreement to the following
terms, and your use, installation, modification or
redistribution of this Apple software constitutes acceptance of
these terms. If you do not agree with these terms, please do
not use, install, modify or redistribute this Apple software.
In consideration of your agreement to abide by the following
terms, and subject to these terms, Apple grants you a personal,
non-exclusive license, under Apple's copyrights in this
original Apple software (the "Apple Software"), to use,
reproduce, modify and redistribute the Apple Software, with or
without modifications, in source and/or binary forms; provided
that if you redistribute the Apple Software in its entirety and
without modifications, you must retain this notice and the
following text and disclaimers in all such redistributions of
the Apple Software. Neither the name, trademarks, service marks
or logos of Apple Inc. may be used to endorse or promote
products derived from the Apple Software without specific prior
written permission from Apple. Except as expressly stated in
this notice, no other rights or licenses, express or implied,
are granted by Apple herein, including but not limited to any
patent rights that may be infringed by your derivative works or
by other works in which the Apple Software may be incorporated.
The Apple Software is provided by Apple on an "AS IS" basis.
APPLE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING
THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
COMBINATION WITH YOUR PRODUCTS.
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT,
INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY
OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY
OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR
OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
#include <DiskArbitration/DiskArbitration.h>
#include "FieldPrinter.h"
#include "Command.h"
#pragma mark * DADiskCopyDescription
static CommandError PrintDADiskCopyDescription(CommandArgsRef args, uint32_t indent, uint32_t verbose)
// Prints results of DADiskCopyDescription.
//
// indent and verbose are as per the comments for FPPrinter.
{
int err;
const char * bsdName;
DASessionRef session;
DADiskRef disk;
CFDictionaryRef descDict;
assert( CommandArgsValid(args) );
session = NULL;
disk = NULL;
descDict = NULL;
err = CommandArgsGetString(args, &bsdName);
if (err == 0) {
session = DASessionCreate(NULL);
if (session == NULL) {
err = EINVAL;
}
}
if (err == 0) {
disk = DADiskCreateFromBSDName(NULL, session, bsdName);
if (disk == NULL) {
err = EINVAL;
}
}
if (err == 0) {
descDict = DADiskCopyDescription(disk);
if (descDict == NULL) {
err = EINVAL;
}
}
if (err == 0) {
FPCFDictionary("description", sizeof(descDict), &descDict, indent, strlen("description"), verbose, NULL);
}
// Clean up.
if (descDict != NULL) {
CFRelease(descDict);
}
if (disk != NULL) {
CFRelease(disk);
}
if (session != NULL) {
CFRelease(session);
}
return CommandErrorMakeWithErrno(err);
}
const CommandInfo kDADiskCopyDescriptionCommand = {
PrintDADiskCopyDescription,
"DADiskCopyDescription",
"bsdDeviceName",
"Print results of DADiskCopyDescription.",
NULL
};
</pre>
<!--googleoff: index -->
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<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/FSMegaInfo/listing7.html%3Fid%3DDTS10004032-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
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