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iokit/Kernel/IOSimpleReporter.cpp xnu-12377.121.6 xnu-4570.41.2
--- xnu/xnu-12377.121.6/iokit/Kernel/IOSimpleReporter.cpp
+++ xnu/xnu-4570.41.2/iokit/Kernel/IOSimpleReporter.cpp
@@ -1,8 +1,8 @@
 /*
  * Copyright (c) 2012-2013 Apple Computer, Inc.  All Rights Reserved.
- *
+ * 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -11,10 +11,10 @@
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
- *
+ * 
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,13 +22,10 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
+ * 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
-#define IOKIT_ENABLE_SHARED_PTR
-
-#include <libkern/c++/OSSharedPtr.h>
 #include <IOKit/IOKernelReportStructs.h>
 #include <IOKit/IOKernelReporters.h>
 #include "IOReporterDefs.h"
@@ -37,135 +34,128 @@
 OSDefineMetaClassAndStructors(IOSimpleReporter, IOReporter);
 
 /* static */
-OSSharedPtr<IOSimpleReporter>
+IOSimpleReporter*
 IOSimpleReporter::with(IOService *reportingService,
-    IOReportCategories categories,
-    IOReportUnit unit)
+                       IOReportCategories categories,
+                       IOReportUnit unit)
 {
-	OSSharedPtr<IOSimpleReporter> reporter;
+    IOSimpleReporter *reporter, *rval = NULL;
 
-	reporter = OSMakeShared<IOSimpleReporter>();
-	if (!reporter) {
-		return nullptr;
-	}
+    // kprintf("%s\n", __func__);      // can't IORLOG() from static
 
-	if (!reporter->initWith(reportingService, categories, unit)) {
-		return nullptr;
-	}
+    reporter = new IOSimpleReporter;
+    if (!reporter)      goto finish;
 
-	return reporter;
+
+    if (!reporter->initWith(reportingService, categories, unit)) {
+        goto finish;
+    }
+    
+    // success
+    rval = reporter;
+    
+finish:
+    if (!rval) {
+        OSSafeReleaseNULL(reporter);
+    }
+    
+    return rval;
 }
 
 bool
 IOSimpleReporter::initWith(IOService *reportingService,
-    IOReportCategories categories,
-    IOReportUnit unit)
+                           IOReportCategories categories,
+                           IOReportUnit unit)
 {
-	// fully specify the channel type for the superclass
-	IOReportChannelType channelType = {
-		.categories = categories,
-		.report_format = kIOReportFormatSimple,
-		.nelements = 1,
-		.element_idx = 0
-	};
-
-	return super::init(reportingService, channelType, unit);
+    // fully specify the channel type for the superclass
+    IOReportChannelType channelType = {
+        .categories = categories,
+        .report_format = kIOReportFormatSimple,
+        .nelements = 1,
+        .element_idx = 0
+    };
+    
+    return super::init(reportingService, channelType, unit);
 }
 
 
 IOReturn
 IOSimpleReporter::setValue(uint64_t channel_id,
-    int64_t value)
+                           int64_t value)
 {
-	IOReturn res = kIOReturnError;
-	IOSimpleReportValues simple_values;
-	int element_index = 0;
-
-	lockReporter();
-
-	if (getFirstElementIndex(channel_id, &element_index) != kIOReturnSuccess) {
-		res = kIOReturnBadArgument;
-		goto finish;
-	}
+    IOReturn res = kIOReturnError;
+    IOSimpleReportValues simple_values;
+    int element_index = 0;
+    
+    lockReporter();
+    
+    if (getFirstElementIndex(channel_id, &element_index) != kIOReturnSuccess) {
+        res = kIOReturnBadArgument;
+        goto finish;
+    }
 
 
-	if (copyElementValues(element_index, (IOReportElementValues *)&simple_values) != kIOReturnSuccess) {
-		res = kIOReturnBadArgument;
-		goto finish;
-	}
-
-	simple_values.simple_value = value;
-	res = setElementValues(element_index, (IOReportElementValues *)&simple_values);
-
+    if (copyElementValues(element_index, (IOReportElementValues *)&simple_values) != kIOReturnSuccess) {
+        res = kIOReturnBadArgument;
+        goto finish;
+    }
+    
+    simple_values.simple_value = value;
+    res = setElementValues(element_index, (IOReportElementValues *)&simple_values);
+    
 finish:
-	unlockReporter();
-	return res;
+    unlockReporter();
+    return res;
 }
 
 
 IOReturn
 IOSimpleReporter::incrementValue(uint64_t channel_id,
-    int64_t increment)
+                                 int64_t increment)
 {
-	IOReturn res = kIOReturnError;
-	IOSimpleReportValues simple_values;
-	int element_index = 0;
+    IOReturn res = kIOReturnError;
+    IOSimpleReportValues simple_values;
+    int element_index = 0;
+    
+    lockReporter();
+    
+    if (getFirstElementIndex(channel_id, &element_index) != kIOReturnSuccess) {
+        res = kIOReturnBadArgument;
+        goto finish;
+    }
 
-	lockReporter();
-
-	if (getFirstElementIndex(channel_id, &element_index) != kIOReturnSuccess) {
-		res = kIOReturnBadArgument;
-		goto finish;
-	}
-
-	if (copyElementValues(element_index, (IOReportElementValues *)&simple_values) != kIOReturnSuccess) {
-		res = kIOReturnBadArgument;
-		goto finish;
-	}
-
-	simple_values.simple_value += increment;
-
-	res = setElementValues(element_index, (IOReportElementValues *)&simple_values);
-
+    if (copyElementValues(element_index, (IOReportElementValues *)&simple_values) != kIOReturnSuccess){
+        res = kIOReturnBadArgument;
+        goto finish;
+    }
+    
+    simple_values.simple_value += increment;
+    
+    res = setElementValues(element_index, (IOReportElementValues *)&simple_values);
+    
 finish:
-	unlockReporter();
-	return res;
+    unlockReporter();
+    return res;
 }
 
 int64_t
 IOSimpleReporter::getValue(uint64_t channel_id)
 {
-	IOSimpleReportValues *values = NULL;
-	int64_t simple_value = (int64_t)kIOReportInvalidValue;
-	int index = 0;
-
-	lockReporter();
-
-	if (getFirstElementIndex(channel_id, &index) == kIOReturnSuccess) {
-		values = (IOSimpleReportValues *)getElementValues(index);
-
-		if (values != NULL) {
-			simple_value = values->simple_value;
-		}
-	}
-
-	unlockReporter();
-	return simple_value;
+    IOSimpleReportValues *values = NULL;
+    int64_t simple_value = (int64_t)kIOReportInvalidValue;
+    int index = 0;
+    
+    lockReporter();
+    
+    if (getFirstElementIndex(channel_id, &index) == kIOReturnSuccess) {
+        
+        values = (IOSimpleReportValues *)getElementValues(index);
+        
+        if (values != NULL)
+            simple_value = values->simple_value;
+    }
+    
+    unlockReporter();
+    return simple_value;
 }
 
-/* static */ OSPtr<IOReportLegendEntry>
-IOSimpleReporter::createLegend(const uint64_t *channelIDs,
-    const char **channelNames,
-    int channelCount,
-    IOReportCategories categories,
-    IOReportUnit unit)
-{
-	IOReportChannelType channelType = {
-		.categories = categories,
-		.report_format = kIOReportFormatSimple,
-		.nelements = 1,
-		.element_idx = 0
-	};
-
-	return IOReporter::legendWith(channelIDs, channelNames, channelCount, channelType, unit);
-}