C++ CFDictionaryCreateMutableCopy函數代碼示例

static CFMutableDictionaryRef
copyIF(CFStringRef key, CFMutableDictionaryRef oldIFs, CFMutableDictionaryRef newIFs)
{
	CFDictionaryRef		dict		= NULL;
	CFMutableDictionaryRef	newDict		= NULL;

	if (CFDictionaryGetValueIfPresent(newIFs, key, (const void **)&dict)) {
		newDict = CFDictionaryCreateMutableCopy(NULL, 0, dict);
	} else {
		dict = cache_SCDynamicStoreCopyValue(store, key);
		if (dict) {
			CFDictionarySetValue(oldIFs, key, dict);
			if (isA_CFDictionary(dict)) {
				newDict = CFDictionaryCreateMutableCopy(NULL, 0, dict);
				CFDictionaryRemoveValue(newDict, kSCPropNetIPv6Addresses);
				CFDictionaryRemoveValue(newDict, kSCPropNetIPv6DestAddresses);
				CFDictionaryRemoveValue(newDict, kSCPropNetIPv6Flags);
				CFDictionaryRemoveValue(newDict, kSCPropNetIPv6PrefixLength);
#ifdef	NOTYET
				CFDictionaryRemoveValue(newDict, kSCPropNetIPv6ScopeID);
#endif	/* NOTYET */
			}
			CFRelease(dict);
		}
	}

	if (!newDict) {
		newDict = CFDictionaryCreateMutable(NULL,
						    0,
						    &kCFTypeDictionaryKeyCallBacks,
						    &kCFTypeDictionaryValueCallBacks);
	}

	return newDict;
}

CFDictionaryRef SFB::Audio::Metadata::CreateDictionaryRepresentation() const
{
	CFMutableDictionaryRef dictionaryRepresentation = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, mMetadata);

	CFIndex count = CFDictionaryGetCount(mChangedMetadata);

	CFTypeRef *keys = (CFTypeRef *)malloc(sizeof(CFTypeRef) * (size_t)count);
	CFTypeRef *values = (CFTypeRef *)malloc(sizeof(CFTypeRef) * (size_t)count);

	CFDictionaryGetKeysAndValues(mChangedMetadata, keys, values);

	for(CFIndex i = 0; i < count; ++i) {
		if(kCFNull == values[i])
			CFDictionaryRemoveValue(dictionaryRepresentation, keys[i]);
		else
			CFDictionarySetValue(dictionaryRepresentation, keys[i], values[i]);
	}

	free(keys), keys = nullptr;
	free(values), values = nullptr;

	CFMutableArray pictureArray = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);

	for(auto picture : GetAttachedPictures()) {
		CFDictionary pictureRepresentation = picture->CreateDictionaryRepresentation();
		CFArrayAppendValue(pictureArray, pictureRepresentation);
	}

	if(0 < CFArrayGetCount(pictureArray)) {
		CFDictionarySetValue(dictionaryRepresentation, kAttachedPicturesKey, pictureArray);
	}

	return dictionaryRepresentation;
}

// Assumes the domain has already been locked
static void _loadXMLDomainIfStale(CFURLRef url, _CFXMLPreferencesDomain *domain) {
    CFAllocatorRef alloc = __CFPreferencesAllocator();
    int idx;
    if (domain->_domainDict) {
        CFDateRef modDate;
        CFAbsoluteTime modTime;
    	CFURLRef testURL = url;

        if (CFDictionaryGetCount(domain->_domainDict) == 0) {
            // domain never existed; check the parent directory, not the child
            testURL = CFURLCreateWithFileSystemPathRelativeToBase(alloc, CFSTR(".."), kCFURLPOSIXPathStyle, true, url);
        }

        modDate = (CFDateRef )CFURLCreatePropertyFromResource(alloc, testURL, kCFURLFileLastModificationTime, NULL);
        modTime = modDate ? CFDateGetAbsoluteTime(modDate) : 0.0;

        // free before possible return. we can test non-NULL of modDate but don't depend on contents after this.
        if (testURL != url) CFRelease(testURL);
        if (modDate) CFRelease(modDate);
        
        if (modDate != NULL && modTime < domain->_lastReadTime) {            // We're up-to-date
            return;
        }
    }

	
    // We're out-of-date; destroy domainDict and reload
    if (domain->_domainDict) {
        CFRelease(domain->_domainDict);
        domain->_domainDict = NULL;
    }

    // We no longer lock on read; instead, we assume parse failures are because someone else is writing the file, and just try to parse again.  If we fail 3 times in a row, we assume the file is corrupted.  REW, 7/13/99

    for (idx = 0; idx < 3; idx ++) {
        CFDataRef data;
        if (!CFURLCreateDataAndPropertiesFromResource(alloc, url, &data, NULL, NULL, NULL) || !data) {
            // Either a file system error (so we can't read the file), or an empty (or perhaps non-existant) file
            domain->_domainDict = CFDictionaryCreateMutable(alloc, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
            break;
        } else {
            CFTypeRef pList = CFPropertyListCreateFromXMLData(alloc, data, kCFPropertyListImmutable, NULL);
            CFRelease(data);
            if (pList && CFGetTypeID(pList) == CFDictionaryGetTypeID()) {
                domain->_domainDict = CFDictionaryCreateMutableCopy(alloc, 0, (CFDictionaryRef)pList);
                CFRelease(pList);
                break;
            } else if (pList) {
                CFRelease(pList);
            }
            // Assume the file is being written; sleep for a short time (to allow the write to complete) then re-read
            __CFMilliSleep(150);
        }
    }
    if (!domain->_domainDict) {
        // Failed to ever load
        domain->_domainDict = CFDictionaryCreateMutable(alloc, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
    }
    domain->_lastReadTime = CFAbsoluteTimeGetCurrent();
}

CF_PRIVATE UCalendar *__CFCalendarCreateUCalendar(CFStringRef calendarID, CFStringRef localeID, CFTimeZoneRef tz) {
    if (calendarID) {
	CFDictionaryRef components = CFLocaleCreateComponentsFromLocaleIdentifier(kCFAllocatorSystemDefault, localeID);
	CFMutableDictionaryRef mcomponents = CFDictionaryCreateMutableCopy(kCFAllocatorSystemDefault, 0, components);
	CFDictionarySetValue(mcomponents, kCFLocaleCalendarIdentifier, calendarID);
	localeID = CFLocaleCreateLocaleIdentifierFromComponents(kCFAllocatorSystemDefault, mcomponents);
	CFRelease(mcomponents);
	CFRelease(components);
    }

    char buffer[BUFFER_SIZE];
    const char *cstr = CFStringGetCStringPtr(localeID, kCFStringEncodingASCII);
    if (NULL == cstr) {
	if (CFStringGetCString(localeID, buffer, BUFFER_SIZE, kCFStringEncodingASCII)) cstr = buffer;
    }
    if (NULL == cstr) {
	if (calendarID) CFRelease(localeID);
	return NULL;
    }
    
    UChar ubuffer[BUFFER_SIZE];
    CFStringRef tznam = CFTimeZoneGetName(tz);
    CFIndex cnt = CFStringGetLength(tznam);
    if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
    CFStringGetCharacters(tznam, CFRangeMake(0, cnt), (UniChar *)ubuffer);

    UErrorCode status = U_ZERO_ERROR;
    UCalendar *cal = ucal_open(ubuffer, cnt, cstr, UCAL_DEFAULT, &status);
    if (calendarID) CFRelease(localeID);
    return cal;
}

VALUE
rb_singleton_class_clone(VALUE obj)
{
    VALUE klass = RBASIC(obj)->klass;
    if (!RCLASS_SINGLETON(klass)) {
	return klass;
    }

    // Create new singleton class.
    VALUE clone = rb_objc_create_class(NULL, RCLASS_SUPER(klass));

    // Copy ivars.
    CFMutableDictionaryRef ivar_dict = rb_class_ivar_dict(klass);
    if (ivar_dict != NULL) {
	CFMutableDictionaryRef cloned_ivar_dict =
	    CFDictionaryCreateMutableCopy(NULL, 0, (CFDictionaryRef)ivar_dict);
	rb_class_ivar_set_dict(clone, cloned_ivar_dict);
	CFMakeCollectable(cloned_ivar_dict);
    }

    // Copy methods.
    rb_vm_copy_methods((Class)klass, (Class)clone);	

    rb_singleton_class_attached(clone, obj);
    if (RCLASS_SUPER(clone) == rb_cRubyObject) {
	long v = RCLASS_VERSION(clone) ^ RCLASS_IS_OBJECT_SUBCLASS;
	RCLASS_SET_VERSION(clone, v);
    }
    RCLASS_SET_VERSION_FLAG(clone, RCLASS_IS_SINGLETON);
    return clone;
}

CFArrayRef SRCopyItems(CFArrayRef keychains, CFArrayRef classes) {
  CFMutableArrayRef allItems = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);

  CFMutableDictionaryRef query = CFDictionaryCreateMutable(NULL, 0,
                                                           &kCFTypeDictionaryKeyCallBacks,
                                                           &kCFTypeDictionaryValueCallBacks);
  CFDictionarySetValue(query, kSecMatchSearchList, keychains);
  CFDictionarySetValue(query, kSecReturnRef, kCFBooleanTrue);
  CFDictionarySetValue(query, kSecReturnAttributes, kCFBooleanTrue);
  CFDictionarySetValue(query, kSecMatchLimit, kSecMatchLimitAll);

  for (int i = 0; i < CFArrayGetCount(classes); i++) {
    CFTypeRef class = CFArrayGetValueAtIndex(classes, i);
    CFDictionarySetValue(query, kSecClass, class);

    CFArrayRef items = NULL;
    OSStatus status = SecItemCopyMatching(query, (CFTypeRef *)&items);
    // If there are not results, that's fine; this class is just empty
    if (errSecItemNotFound != status) {
      SRHandleError(status, true);
      for (int j = 0; j < CFArrayGetCount(items); j++) {
        CFDictionaryRef properties = CFArrayGetValueAtIndex(items, j);
        CFMutableDictionaryRef newProperties = CFDictionaryCreateMutableCopy(NULL, 0, properties);
        CFDictionarySetValue(newProperties, kSRAttrClass, class);
        CFArrayAppendValue(allItems, newProperties);
        CFRelease(newProperties);
      }
      CFRelease(items);
    }
  }

static CFDictionaryRef
SecItemCopyAttributeDictionary(CFTypeRef ref) {
	CFDictionaryRef refDictionary = NULL;
	CFTypeID typeID = CFGetTypeID(ref);
	if (typeID == SecKeyGetTypeID()) {
		refDictionary = SecKeyCopyAttributeDictionary((SecKeyRef)ref);
	} else if (typeID == SecCertificateGetTypeID()) {
		refDictionary =
			SecCertificateCopyAttributeDictionary((SecCertificateRef)ref);
	} else if (typeID == SecIdentityGetTypeID()) {
        assert(false);
        SecIdentityRef identity = (SecIdentityRef)ref;
        SecCertificateRef cert = NULL;
        SecKeyRef key = NULL;
        if (!SecIdentityCopyCertificate(identity, &cert) &&
            !SecIdentityCopyPrivateKey(identity, &key)) 
        {
            CFDataRef data = SecCertificateCopyData(cert);
            CFDictionaryRef key_dict = SecKeyCopyAttributeDictionary(key);
            
            if (key_dict && data) {
                refDictionary = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, key_dict);
                CFDictionarySetValue((CFMutableDictionaryRef)refDictionary, 
                    CFSTR(CERTIFICATE_DATA_COLUMN_LABEL), data);
            }
            CFReleaseNull(key_dict);
            CFReleaseNull(data);
        }
        CFReleaseNull(cert);
        CFReleaseNull(key);
    } else {
		refDictionary = NULL;
	}
	return refDictionary;
}

__private_extern__
void
do_dictRemoveKey(int argc, char **argv)
{
	CFStringRef		key;
	CFMutableDictionaryRef	val;

	if (value == NULL) {
		SCPrint(TRUE, stdout, CFSTR("d.remove: dictionary must be initialized.\n"));
		return;
	}

	if (!isA_CFDictionary(value)) {
		SCPrint(TRUE, stdout, CFSTR("d.remove: data (fetched from configuration server) is not a dictionary.\n"));
		return;
	}

	val = CFDictionaryCreateMutableCopy(NULL, 0, value);
	CFRelease(value);
	value = val;

	key = CFStringCreateWithCString(NULL, argv[0], kCFStringEncodingUTF8);
	CFDictionaryRemoveValue((CFMutableDictionaryRef)value, key);
	CFRelease(key);

	return;
}

static OSStatus WorkaroundNetworkPrefsBug(CFDictionaryRef *entitiesDictPtr)
	// If this is an Ethernet interface and LCPEchoEnabled is false, 
	// set it to true.  This works around what I think is a bug in 
	// the Network preferences panel <rdar://problem/3182846> where the 
	// LCPEchoEnabled flag is mysteriously set to false for PCI Ethernet 
	// interfaces.
{
	OSStatus 	err;
	CFStringRef hardwarePath[2];
	CFStringRef lcpPath[2];
	CFStringRef	hardwareStr;
	CFNumberRef lcpValue;
	long		enabled;
	
	hardwarePath[0] = kSCEntNetInterface;
	hardwarePath[1] = kSCPropNetInterfaceHardware;

	lcpPath[0] = kSCEntNetPPP;
	lcpPath[1] = kSCPropNetPPPLCPEchoEnabled;
	
	hardwareStr = NULL;			// just to make debugging easier
	lcpValue = NULL;
	
	err = noErr;
	if (    CFQDictionaryGetValueAtPath(*entitiesDictPtr, (const void **) hardwarePath, 2, (const void **) &hardwareStr) == noErr
		 && CFEqual(hardwareStr, kSCEntNetEthernet)
		 && CFQDictionaryGetValueAtPath(*entitiesDictPtr, (const void **) lcpPath, 2, (const void **) &lcpValue) == noErr
		 && CFNumberGetValue(lcpValue, kCFNumberLongType, &enabled)
		 && (enabled == 0) ) {
		CFMutableDictionaryRef 	newDict;
		CFNumberRef 			numRef;
		
		if ( ! gRunQuiet ) {
			fprintf(stderr, "Applied workaround\n");
		}
		
		numRef = NULL;
		newDict = CFDictionaryCreateMutableCopy(NULL, 0, *entitiesDictPtr);
		err = CFQError(newDict);
		if (err == noErr) {
			enabled = true;
			numRef = CFNumberCreate(NULL, kCFNumberLongType, &enabled);
			err = CFQError(numRef);
		}
		if (err == noErr) {
			err = CFQDictionarySetValueAtPath(newDict, (const void **) lcpPath, 2, numRef);
		}
		if (err == noErr) {
			CFQRelease(*entitiesDictPtr);
			*entitiesDictPtr = newDict;
			newDict = NULL;
		}
		
		CFQRelease(newDict);
		CFQRelease(numRef);
	}

	return err;	
}

static Boolean
_SCBondInterfaceSetMode(SCBondInterfaceRef bond, CFNumberRef mode)
{
	SCNetworkInterfacePrivateRef	interfacePrivate	= (SCNetworkInterfacePrivateRef)bond;
	Boolean				needs_release 		= FALSE;
	Boolean				ok			= TRUE;

	assert(bond != NULL);

	if (mode == NULL) {
		int	mode_num	= IF_BOND_MODE_LACP;

		mode = CFNumberCreate(NULL, kCFNumberIntType, &mode_num);
		needs_release = TRUE;
	}

	// set mode in the stored preferences
	if (interfacePrivate->prefs != NULL) {
		CFDictionaryRef		dict;
		CFMutableDictionaryRef	newDict;
		CFStringRef		path;

		path = CFStringCreateWithFormat(NULL,
						NULL,
						CFSTR("/%@/%@/%@"),
						kSCPrefVirtualNetworkInterfaces,
						kSCNetworkInterfaceTypeBond,
						interfacePrivate->entity_device);
		dict = SCPreferencesPathGetValue(interfacePrivate->prefs, path);
		if (!isA_CFDictionary(dict)) {
			// if the prefs are confused
			CFRelease(path);
			_SCErrorSet(kSCStatusFailed);
			ok = FALSE;
			goto done;
		}
		newDict = CFDictionaryCreateMutableCopy(NULL, 0, dict);
		CFDictionarySetValue(newDict, kSCPropVirtualNetworkInterfacesBondMode, mode);
		if (!CFEqual(dict, newDict)) {
			ok = SCPreferencesPathSetValue(interfacePrivate->prefs, path, newDict);
		}
		CFRelease(newDict);
		CFRelease(path);
	}

	if (ok) {
		CFRetain(mode);
		if (interfacePrivate->bond.mode != NULL) {
			CFRelease(interfacePrivate->bond.mode);
		}
		interfacePrivate->bond.mode = mode;
	}

    done :

	if (needs_release) CFRelease(mode);
	return ok;
}

__private_extern__
void
link_add(const char *if_name)
{
	CFStringRef		interface;
	CFStringRef		cacheKey;
	CFDictionaryRef		dict;
	CFMutableDictionaryRef	newDict		= NULL;
	CFArrayRef		ifList;
	CFMutableArrayRef	newIFList	= NULL;

	interface = CFStringCreateWithCString(NULL, if_name, kCFStringEncodingMacRoman);
	cacheKey  = SCDynamicStoreKeyCreateNetworkInterface(NULL,
							    kSCDynamicStoreDomainState);

	dict = cache_SCDynamicStoreCopyValue(store, cacheKey);
	if (dict) {
		if (isA_CFDictionary(dict)) {
			newDict = CFDictionaryCreateMutableCopy(NULL, 0, dict);
			ifList  = CFDictionaryGetValue(newDict, kSCPropNetInterfaces);
			if (isA_CFArray(ifList)) {
				newIFList = CFArrayCreateMutableCopy(NULL, 0, ifList);
			}
		}
		CFRelease(dict);
	}

	if (!newDict) {
		newDict = CFDictionaryCreateMutable(NULL,
						    0,
						    &kCFTypeDictionaryKeyCallBacks,
						    &kCFTypeDictionaryValueCallBacks);
	}

	if (!newIFList) {
		newIFList = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
	}

	if (CFArrayContainsValue(newIFList,
				 CFRangeMake(0, CFArrayGetCount(newIFList)),
				 interface) == FALSE) {
		CFArrayAppendValue(newIFList, interface);
		CFDictionarySetValue(newDict, kSCPropNetInterfaces, newIFList);
	}
	cache_SCDynamicStoreSetValue(store, cacheKey, newDict);
	link_update_status(if_name, TRUE);
#ifdef KEV_DL_LINK_QUALITY_METRIC_CHANGED
	link_update_quality_metric(if_name);
#endif /* KEV_DL_LINK_QUALITY_METRIC_CHANGED */
	CFRelease(cacheKey);
	CFRelease(interface);
	if (newDict)	CFRelease(newDict);
	if (newIFList)	CFRelease(newIFList);

	return;
}

__private_extern__ Boolean
__setPrefsConfiguration(SCPreferencesRef	prefs,
			CFStringRef		path,
			CFDictionaryRef		config,
			Boolean			keepInactive)
{
	CFDictionaryRef		curConfig;
	CFMutableDictionaryRef	newConfig	= NULL;
	Boolean			ok;

	if ((config != NULL) && !isA_CFDictionary(config)) {
		_SCErrorSet(kSCStatusInvalidArgument);
		return FALSE;
	}

	curConfig = SCPreferencesPathGetValue(prefs, path);

	if (config != NULL) {
		newConfig = CFDictionaryCreateMutableCopy(NULL, 0, config);
	}

	if (keepInactive) {
		if (config == NULL) {
			newConfig = CFDictionaryCreateMutable(NULL,
							      0,
							      &kCFTypeDictionaryKeyCallBacks,
							      &kCFTypeDictionaryValueCallBacks);
		}

		if (isA_CFDictionary(curConfig) && CFDictionaryContainsKey(curConfig, kSCResvInactive)) {
			// if currently disabled
			CFDictionarySetValue(newConfig, kSCResvInactive, kCFBooleanTrue);
		} else {
			// if currently enabled
			CFDictionaryRemoveValue(newConfig, kSCResvInactive);
		}
	}

	// set new configuration
	if (_SC_CFEqual(curConfig, newConfig)) {
		// if no change
		if (newConfig != NULL) CFRelease(newConfig);
		ok = TRUE;
	} else if (newConfig != NULL) {
		// if new configuration (or we are preserving a disabled state)
		ok = SCPreferencesPathSetValue(prefs, path, newConfig);
		CFRelease(newConfig);
	} else {
		ok = SCPreferencesPathRemoveValue(prefs, path);
		if (!ok && (SCError() == kSCStatusNoKey)) {
			ok = TRUE;
		}
	}

	return ok;
}

VALUE
rb_mod_init_copy(VALUE clone, SEL sel, VALUE orig)
{
    rb_obj_init_copy(clone, 0, orig);

    VALUE super;
    if (!RCLASS_RUBY(orig)) {
	super = orig;
	rb_warn("cloning class `%s' is not supported, creating a " \
		"subclass instead", rb_class2name(orig));
    }
    else {
	super = RCLASS_SUPER(orig);
    }
    RCLASS_SET_SUPER(clone, super);

    // Copy flags.
    unsigned long version_flag = RCLASS_IS_RUBY_CLASS;
    if ((RCLASS_VERSION(super) & RCLASS_IS_OBJECT_SUBCLASS)
	    == RCLASS_IS_OBJECT_SUBCLASS) {
	version_flag |= RCLASS_IS_OBJECT_SUBCLASS;
    }
    if (RCLASS_MODULE(orig)) {
	version_flag |= RCLASS_IS_MODULE;
    }
    RCLASS_SET_VERSION(clone, version_flag);
    if (!class_isMetaClass((Class)clone)) {
	// Clear type info.
	RCLASS_SET_VERSION(*(Class *)clone, RCLASS_VERSION(*(Class *)clone));
    }

    // Copy methods.
    rb_vm_copy_methods((Class)orig, (Class)clone);
    if (!class_isMetaClass((Class)orig)) {
	rb_vm_copy_methods(*(Class *)orig, *(Class *)clone);
    }

    // Copy ivars.
    CFMutableDictionaryRef orig_dict = rb_class_ivar_dict(orig);
    CFMutableDictionaryRef clone_dict;
    if (orig_dict != NULL) {
	clone_dict = CFDictionaryCreateMutableCopy(NULL, 0, orig_dict);
	rb_class_ivar_set_dict(clone, clone_dict);
	CFMakeCollectable(clone_dict);
    }
    else {
	clone_dict = rb_class_ivar_dict_or_create(clone);
    }

    // Remove the classpath & classid (name) so that they are not
    // copied over the new module / class.
    CFDictionaryRemoveValue(clone_dict, (const void *)id_classpath);
    CFDictionaryRemoveValue(clone_dict, (const void *)id_classid);
    return clone;
}

__private_extern__
Boolean
__remove_password(SCPreferencesRef	prefs,
		  CFDictionaryRef	config,
		  CFStringRef		passwordKey,
		  CFStringRef		encryptionKey,
		  CFStringRef		encryptionKeyChainValue,
		  CFStringRef		unique_id,
		  CFDictionaryRef	*newConfig)
{
	CFStringRef		encryption	= NULL;
	Boolean			ok		= FALSE;

	// check for keychain password
	if (config != NULL) {
		encryption = CFDictionaryGetValue(config, encryptionKey);
	}
	if ((encryption == NULL) ||
	    (isA_CFString(encryption) &&
	     CFEqual(encryption, encryptionKeyChainValue))) {
		    // remove keychain password
		    if (prefs != NULL) {
			    ok = _SCPreferencesSystemKeychainPasswordItemRemove(prefs, unique_id);
		    } else {
			    ok = _SCSecKeychainPasswordItemRemove(NULL, unique_id);
		    }
	    }

	// as needed, check if we have an in-line password that we can remove
	if (!ok && (encryption == NULL) && (config != NULL)) {
		CFDataRef	inline_password;

		inline_password = CFDictionaryGetValue(config, passwordKey);
		inline_password = __copy_legacy_password(inline_password);
		if (inline_password != NULL) {
			CFRelease(inline_password);
			ok = TRUE;
		}
	}

	if (newConfig != NULL) {
		if (ok && (config != NULL)) {
			CFMutableDictionaryRef	temp;

			temp = CFDictionaryCreateMutableCopy(NULL, 0, config);
			CFDictionaryRemoveValue(temp, passwordKey);
			CFDictionaryRemoveValue(temp, encryptionKey);
			*newConfig = (CFDictionaryRef)temp;
		} else {
			*newConfig = NULL;
		}
	}

	return ok;
}

int SetHibernateMode(int mode, CFStringRef ps) {
	CFNumberRef            target_hm;
	CFDictionaryRef        tmp_settings = 0;
	CFMutableDictionaryRef settings = 0;
	CFDictionaryRef        tmp_node = 0;
    CFMutableDictionaryRef node = 0;
	IOReturn               ret;
	int                    result = 0;
	
	target_hm = CFNumberCreate(kCFAllocatorDefault, hm_type, &mode);                                                       /* Create a CFNumber with the mode value */
	tmp_settings = IOPMCopyPMPreferences();                                                                                /* Get the power management preferences */
	if(!tmp_settings) {                                                                                                       /* On failure, quit */
		CFRelease(tmp_settings);
		CFRelease(target_hm);
		return 1;
	}
	settings = CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, tmp_settings);                                        /* Copy the preferences to a mutable dictionary */
	CFRelease(tmp_settings);

	tmp_node = isA_CFDictionary(CFDictionaryGetValue(settings, ps));								                       /* Get the power source dictionary */
    if(tmp_node) {
        node = CFDictionaryCreateMutableCopy(0, 0, tmp_node);                                                              /* On success, copy it to a mutable dictionary */
        if(node) {
			CFDictionarySetValue(node, CFSTR("Hibernate Mode"), target_hm);                                                   /* Set the hibernate mode to its new value */
            CFDictionarySetValue(settings, ps, node);                                                                         /* link the new power source dictionary to the pm preferences*/
            CFRelease(node);
        }
    }
	
	if(kIOReturnSuccess != (ret = IOPMSetPMPreferences(settings))) {                                                       /* Set the new pm preferences */
		if(ret == kIOReturnNotPrivileged) {                                                                                   /* On failure, quit */
			printf("deepsleep must be run as root...\n");
		} else {
			printf("Error 0x%08x writing Energy Saver preferences to disk\n", ret);
		}
	result = 1;
	}
	
	CFRelease(settings);                                                                                                  /* Cleanup */
	CFRelease(target_hm);
	return result;
}