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--- xnu/xnu-1504.7.4/iokit/bsddev/IOKitBSDInit.cpp
+++ xnu/xnu-517/iokit/bsddev/IOKitBSDInit.cpp
@@ -1,19 +1,16 @@
/*
- * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
* 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
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * 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.
+ * compliance with the License. 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
@@ -23,102 +20,34 @@
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
*/
#include <IOKit/IOBSD.h>
#include <IOKit/IOLib.h>
#include <IOKit/IOService.h>
-#include <IOKit/IOCatalogue.h>
#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IOKitKeys.h>
#include <IOKit/IOPlatformExpert.h>
+#include <sys/disklabel.h>
+
extern "C" {
#include <pexpert/pexpert.h>
#include <kern/clock.h>
-#include <uuid/uuid.h>
// how long to wait for matching root device, secs
-#if DEBUG
-#define ROOTDEVICETIMEOUT 120
-#else
-#define ROOTDEVICETIMEOUT 60
-#endif
+#define ROOTDEVICETIMEOUT 60
extern dev_t mdevadd(int devid, ppnum_t base, unsigned int size, int phys);
extern dev_t mdevlookup(int devid);
-extern void mdevremoveall(void);
kern_return_t
IOKitBSDInit( void )
{
IOService::publishResource("IOBSD");
-
+
return( kIOReturnSuccess );
-}
-
-void
-IOServicePublishResource( const char * property, boolean_t value )
-{
- if ( value)
- IOService::publishResource( property, kOSBooleanTrue );
- else
- IOService::getResourceService()->removeProperty( property );
-}
-
-boolean_t
-IOServiceWaitForMatchingResource( const char * property, uint64_t timeout )
-{
- OSDictionary * dict = 0;
- IOService * match = 0;
- boolean_t found = false;
-
- do {
-
- dict = IOService::resourceMatching( property );
- if( !dict)
- continue;
- match = IOService::waitForMatchingService( dict, timeout );
- if ( match)
- found = true;
-
- } while( false );
-
- if( dict)
- dict->release();
- if( match)
- match->release();
-
- return( found );
-}
-
-boolean_t
-IOCatalogueMatchingDriversPresent( const char * property )
-{
- OSDictionary * dict = 0;
- OSOrderedSet * set = 0;
- SInt32 generationCount = 0;
- boolean_t found = false;
-
- do {
-
- dict = OSDictionary::withCapacity(1);
- if( !dict)
- continue;
- dict->setObject( property, kOSBooleanTrue );
- set = gIOCatalogue->findDrivers( dict, &generationCount );
- if ( set && (set->getCount() > 0))
- found = true;
-
- } while( false );
-
- if( dict)
- dict->release();
- if( set)
- set->release();
-
- return( found );
}
OSDictionary * IOBSDNameMatching( const char * name )
@@ -149,12 +78,6 @@
return( 0 );
}
-OSDictionary * IOUUIDMatching( void )
-{
- return IOService::resourceMatching( "boot-uuid-media" );
-}
-
-
OSDictionary * IOCDMatching( void )
{
OSDictionary * dict;
@@ -191,10 +114,10 @@
len = strlen( kIODeviceTreePlane ":" );
maxLen -= len;
- if( maxLen <= 0)
+ if( maxLen < 0)
continue;
- strlcpy( buf, kIODeviceTreePlane ":", len + 1 );
+ strcpy( buf, kIODeviceTreePlane ":" );
comp = buf + len;
// remove parameters following ':' from the path
@@ -204,9 +127,10 @@
len = skip - path;
maxLen -= len;
- if( maxLen <= 0)
+ if( maxLen < 0)
continue;
- strlcpy( comp, path, len + 1 );
+ strncpy( comp, path, len );
+ comp[ len ] = 0;
matching = IOService::serviceMatching( "IONetworkInterface" );
if( !matching)
@@ -236,8 +160,7 @@
OSDictionary * matching;
OSDictionary * propDict = 0;
const OSSymbol * str = 0;
- char networkType[128];
-
+
do {
matching = IOService::serviceMatching( "IONetworkInterface" );
if ( matching == 0 )
@@ -254,18 +177,6 @@
propDict->setObject( "IOInterfaceNamePrefix", (OSObject *) str );
str->release();
str = 0;
-
- // see if we're contrained to netroot off of specific network type
- if(PE_parse_boot_argn( "network-type", networkType, 128 ))
- {
- str = OSSymbol::withCString( networkType );
- if(str)
- {
- propDict->setObject( "IONetworkRootType", str);
- str->release();
- str = 0;
- }
- }
if ( matching->setObject( gIOPropertyMatchKey,
(OSObject *) propDict ) != true )
@@ -347,7 +258,7 @@
long partition = -1;
long lun = -1;
char c;
- int len;
+ const char * partitionSep = NULL;
// scan the tail of the path for "@unit:partition"
do {
@@ -361,12 +272,24 @@
if( *(--look) == c) {
if( c == ':') {
partition = strtol( look + 1, 0, 0 );
+ partitionSep = look;
c = '@';
} else if( c == '@') {
- unit = strtol( look + 1, &comp, 16 );
-
- if( *comp == ',') {
- lun = strtol( comp + 1, 0, 16 );
+ int diff = -1;
+
+ unit = strtol( look + 1, 0, 16 );
+
+ diff = (int)partitionSep - (int)look;
+ if ( diff > 0 ) {
+
+ for ( ; diff > 0; diff-- )
+ {
+ if( look[diff] == ',' )
+ {
+ lun = strtol ( &look[diff + 1], 0, 16 );
+ break;
+ }
+ }
}
c = '/';
@@ -385,52 +308,34 @@
if( c || unit == -1 || partition == -1)
continue;
- len = strlen( "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
- maxLen -= len;
- if( maxLen <= 0)
+ maxLen -= strlen( "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
+ maxLen -= ( alias ? strlen( alias ) : 0 ) + (look - path);
+ maxLen -= strlen( "/@hhhhhhhh,hhhhhhhh:dddddddddd';}" );
+
+ if( maxLen > 0) {
+ sprintf( buf, "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
+ comp = buf + strlen( buf );
+
+ if( alias) {
+ strcpy( comp, alias );
+ comp += strlen( alias );
+ }
+
+ if ( (look - path)) {
+ strncpy( comp, path, look - path);
+ comp += look - path;
+ }
+
+ if ( lun != -1 )
+ {
+ sprintf ( comp, "/@%lx,%lx:%ld';}", unit, lun, partition );
+ }
+ else
+ {
+ sprintf( comp, "/@%lx:%ld';}", unit, partition );
+ }
+ } else
continue;
-
- snprintf( buf, len + 1, "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
- comp = buf + len;
-
- if( alias) {
- len = strlen( alias );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- strlcpy( comp, alias, len + 1 );
- comp += len;
- }
-
- if ( (look - path)) {
- len = (look - path);
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- strlcpy( comp, path, len + 1 );
- comp += len;
- }
-
- if ( lun != -1 )
- {
- len = strlen( "/@hhhhhhhh,hhhhhhhh:dddddddddd';}" );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- snprintf( comp, len + 1, "/@%lx,%lx:%ld';}", unit, lun, partition );
- }
- else
- {
- len = strlen( "/@hhhhhhhh:dddddddddd';}" );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- snprintf( comp, len + 1, "/@%lx:%ld';}", unit, partition );
- }
return( OSDynamicCast(OSDictionary, OSUnserialize( buf, 0 )) );
@@ -441,52 +346,11 @@
OSDictionary * IOOFPathMatching( const char * path, char * buf, int maxLen )
{
- OSDictionary * matching;
- OSString * str;
- char * comp;
- int len;
-
/* need to look up path, get device type,
call matching help based on device type */
- matching = IODiskMatching( path, buf, maxLen );
- if( matching)
- return( matching );
-
- do {
-
- len = strlen( kIODeviceTreePlane ":" );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- strlcpy( buf, kIODeviceTreePlane ":", len + 1 );
- comp = buf + len;
-
- len = strlen( path );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
- strlcpy( comp, path, len + 1 );
-
- matching = OSDictionary::withCapacity( 1 );
- if( !matching)
- continue;
-
- str = OSString::withCString( buf );
- if( !str)
- continue;
- matching->setObject( kIOPathMatchKey, str );
- str->release();
-
- return( matching );
-
- } while( false );
-
- if( matching)
- matching->release();
-
- return( 0 );
+ return( IODiskMatching( path, buf, maxLen ));
+
}
IOService * IOFindMatchingChild( IOService * service )
@@ -527,7 +391,7 @@
static int didRam = 0;
-kern_return_t IOFindBSDRoot( char * rootName, unsigned int rootNameSize,
+kern_return_t IOFindBSDRoot( char * rootName,
dev_t * root, u_int32_t * oflags )
{
mach_timespec_t t;
@@ -540,9 +404,8 @@
UInt32 *ramdParms = 0;
UInt32 flags = 0;
- int mnr, mjr;
+ int minor, major;
bool findHFSChild = false;
- char * mediaProperty = 0;
char * rdBootVar;
enum { kMaxPathBuf = 512, kMaxBootVar = 128 };
char * str;
@@ -550,11 +413,10 @@
int len;
bool forceNet = false;
bool debugInfoPrintedOnce = false;
- const char * uuidStr = NULL;
static int mountAttempts = 0;
- int xchar, dchar;
+ int xchar, dchar;
if( mountAttempts++)
@@ -565,52 +427,24 @@
return( kIOReturnNoMemory );
rdBootVar = str + kMaxPathBuf;
- if (!PE_parse_boot_argn("rd", rdBootVar, kMaxBootVar )
- && !PE_parse_boot_argn("rootdev", rdBootVar, kMaxBootVar ))
+ if (!PE_parse_boot_arg("rd", rdBootVar )
+ && !PE_parse_boot_arg("rootdev", rdBootVar ))
rdBootVar[0] = 0;
do {
- if( (regEntry = IORegistryEntry::fromPath( "/chosen", gIODTPlane ))) {
- data = OSDynamicCast(OSData, regEntry->getProperty( "root-matching" ));
- if (data) {
- matching = OSDynamicCast(OSDictionary, OSUnserializeXML((char *)data->getBytesNoCopy()));
- if (matching) {
- continue;
- }
- }
-
- data = (OSData *) regEntry->getProperty( "boot-uuid" );
- if( data) {
- uuidStr = (const char*)data->getBytesNoCopy();
- OSString *uuidString = OSString::withCString( uuidStr );
-
- // match the boot-args boot-uuid processing below
- if( uuidString) {
- IOLog("rooting via boot-uuid from /chosen: %s\n", uuidStr);
- IOService::publishResource( "boot-uuid", uuidString );
- uuidString->release();
- matching = IOUUIDMatching();
- mediaProperty = "boot-uuid-media";
- regEntry->release();
- continue;
- } else {
- uuidStr = NULL;
+ if( (regEntry = IORegistryEntry::fromPath( "/chosen", gIODTPlane ))) {
+ data = (OSData *) regEntry->getProperty( "rootpath" );
+ regEntry->release();
+ if( data) continue;
}
- }
-
- // else try for an OF Path
- data = (OSData *) regEntry->getProperty( "rootpath" );
- regEntry->release();
- if( data) continue;
- }
if( (regEntry = IORegistryEntry::fromPath( "/options", gIODTPlane ))) {
- data = (OSData *) regEntry->getProperty( "boot-file" );
- regEntry->release();
- if( data) continue;
- }
+ data = (OSData *) regEntry->getProperty( "boot-file" );
+ regEntry->release();
+ if( data) continue;
+ }
} while( false );
- if( data && !uuidStr)
+ if( data)
look = (const char *) data->getBytesNoCopy();
if( rdBootVar[0] == '*') {
@@ -637,7 +471,7 @@
if(data) { /* We found one */
ramdParms = (UInt32 *)data->getBytesNoCopy(); /* Point to the ram disk base and size */
- (void)mdevadd(-1, ml_static_ptovirt(ramdParms[0]) >> 12, ramdParms[1] >> 12, 0); /* Initialize it and pass back the device number */
+ (void)mdevadd(-1, ramdParms[0] >> 12, ramdParms[1] >> 12, 0); /* Initialize it and pass back the device number */
}
regEntry->release(); /* Toss the entry */
}
@@ -678,12 +512,10 @@
// from OpenFirmware path
IOLog("From path: \"%s\", ", look);
- if (!matching) {
- if( forceNet || (0 == strncmp( look, "enet", strlen( "enet" ))) ) {
- matching = IONetworkMatching( look, str, kMaxPathBuf );
- } else {
- matching = IODiskMatching( look, str, kMaxPathBuf );
- }
+ if( forceNet || (0 == strncmp( look, "enet", strlen( "enet" ))) ) {
+ matching = IONetworkMatching( look, str, kMaxPathBuf );
+ } else {
+ matching = IODiskMatching( look, str, kMaxPathBuf );
}
}
@@ -698,35 +530,14 @@
} else if ( strncmp( look, "cdrom", strlen( "cdrom" )) == 0 ) {
matching = IOCDMatching();
findHFSChild = true;
- } else if ( strncmp( look, "uuid", strlen( "uuid" )) == 0 ) {
- char *uuid;
- OSString *uuidString;
-
- uuid = (char *)IOMalloc( kMaxBootVar );
-
- if ( uuid ) {
- if (!PE_parse_boot_argn( "boot-uuid", uuid, kMaxBootVar )) {
- panic( "rd=uuid but no boot-uuid=<value> specified" );
- }
- uuidString = OSString::withCString( uuid );
- if ( uuidString ) {
- IOService::publishResource( "boot-uuid", uuidString );
- uuidString->release();
- IOLog( "\nWaiting for boot volume with UUID %s\n", uuid );
- matching = IOUUIDMatching();
- mediaProperty = "boot-uuid-media";
- }
- IOFree( uuid, kMaxBootVar );
- }
} else {
matching = IOBSDNameMatching( look );
}
}
if( !matching) {
- OSString * astring;
- // Match any HFS media
-
+ OSString * astring;
+ // any HFS
matching = IOService::serviceMatching( "IOMedia" );
astring = OSString::withCStringNoCopy("Apple_HFS");
if ( astring ) {
@@ -772,14 +583,11 @@
if ( service && findHFSChild ) {
bool waiting = true;
- uint64_t timeoutNS;
-
// wait for children services to finish registering
while ( waiting ) {
- timeoutNS = ROOTDEVICETIMEOUT;
- timeoutNS *= kSecondScale;
-
- if ( (service->waitQuiet(timeoutNS) ) == kIOReturnSuccess) {
+ t.tv_sec = ROOTDEVICETIMEOUT;
+ t.tv_nsec = 0;
+ if ( service->waitQuiet( &t ) == kIOReturnSuccess ) {
waiting = false;
} else {
IOLog( "Waiting for child registration\n" );
@@ -788,12 +596,10 @@
// look for a subservice with an Apple_HFS child
IOService * subservice = IOFindMatchingChild( service );
if ( subservice ) service = subservice;
- } else if ( service && mediaProperty ) {
- service = (IOService *)service->getProperty(mediaProperty);
- }
-
- mjr = 0;
- mnr = 0;
+ }
+
+ major = 0;
+ minor = 0;
// If the IOService we matched to is a subclass of IONetworkInterface,
// then make sure it has been registered with BSD and has a BSD name
@@ -814,13 +620,13 @@
iostr = (OSString *) service->getProperty( kIOBSDNameKey );
if( iostr)
- strlcpy( rootName, iostr->getCStringNoCopy(), rootNameSize );
+ strcpy( rootName, iostr->getCStringNoCopy() );
off = (OSNumber *) service->getProperty( kIOBSDMajorKey );
if( off)
- mjr = off->unsigned32BitValue();
+ major = off->unsigned32BitValue();
off = (OSNumber *) service->getProperty( kIOBSDMinorKey );
if( off)
- mnr = off->unsigned32BitValue();
+ minor = off->unsigned32BitValue();
if( service->metaCast( "IONetworkInterface" ))
flags |= 1;
@@ -828,17 +634,17 @@
} else {
IOLog( "Wait for root failed\n" );
- strlcpy( rootName, "en0", rootNameSize );
+ strcpy( rootName, "en0");
flags |= 1;
}
IOLog( "BSD root: %s", rootName );
- if( mjr)
- IOLog(", major %d, minor %d\n", mjr, mnr );
+ if( major)
+ IOLog(", major %d, minor %d\n", major, minor );
else
IOLog("\n");
- *root = makedev( mjr, mnr );
+ *root = makedev( major, minor );
*oflags = flags;
IOFree( str, kMaxPathBuf + kMaxBootVar );
@@ -862,25 +668,6 @@
return( kIOReturnSuccess );
}
-void IOSecureBSDRoot(const char * rootName)
-{
-#if CONFIG_EMBEDDED
- IOReturn result;
- IOPlatformExpert *pe;
- const OSSymbol *functionName = OSSymbol::withCStringNoCopy("SecureRootName");
-
- while ((pe = IOService::getPlatform()) == 0) IOSleep(1 * 1000);
-
- // Returns kIOReturnNotPrivileged is the root device is not secure.
- // Returns kIOReturnUnsupported if "SecureRootName" is not implemented.
- result = pe->callPlatformFunction(functionName, false, (void *)rootName, (void *)0, (void *)0, (void *)0);
-
- functionName->release();
-
- if (result == kIOReturnNotPrivileged) mdevremoveall();
-#endif
-}
-
void *
IOBSDRegistryEntryForDeviceTree(char * path)
{
@@ -912,172 +699,4 @@
return (NULL);
}
-kern_return_t IOBSDGetPlatformUUID( uuid_t uuid, mach_timespec_t timeout )
-{
- IOService * resources;
- OSString * string;
-
- resources = IOService::waitForService( IOService::resourceMatching( kIOPlatformUUIDKey ), &timeout );
- if ( resources == 0 ) return KERN_OPERATION_TIMED_OUT;
-
- string = ( OSString * ) IOService::getPlatform( )->getProvider( )->getProperty( kIOPlatformUUIDKey );
- if ( string == 0 ) return KERN_NOT_SUPPORTED;
-
- uuid_parse( string->getCStringNoCopy( ), uuid );
-
- return KERN_SUCCESS;
-}
-
-kern_return_t IOBSDGetPlatformSerialNumber( char *serial_number_str, u_int32_t len )
-{
- OSDictionary * platform_dict;
- IOService *platform;
- OSString * string;
-
- if (len < 1) {
- return 0;
- }
- serial_number_str[0] = '\0';
-
- platform_dict = IOService::serviceMatching( "IOPlatformExpertDevice" );
- if (platform_dict == NULL) {
- return KERN_NOT_SUPPORTED;
- }
-
- platform = IOService::waitForService( platform_dict );
- if (platform) {
- string = ( OSString * ) platform->getProperty( kIOPlatformSerialNumberKey );
- if ( string == 0 ) {
- return KERN_NOT_SUPPORTED;
- } else {
- strlcpy( serial_number_str, string->getCStringNoCopy( ), len );
- }
- }
-
- return KERN_SUCCESS;
-}
-
-dev_t IOBSDGetMediaWithUUID( const char *uuid_cstring, char *bsd_name, int bsd_name_len, int timeout)
-{
- dev_t dev = 0;
- OSDictionary *dictionary;
- OSString *uuid_string;
-
- if (bsd_name_len < 1) {
- return 0;
- }
- bsd_name[0] = '\0';
-
- dictionary = IOService::serviceMatching( "IOMedia" );
- if( dictionary ) {
- uuid_string = OSString::withCString( uuid_cstring );
- if( uuid_string ) {
- IOService *service;
- mach_timespec_t tv = { timeout, 0 }; // wait up to "timeout" seconds for the device
-
- dictionary->setObject( "UUID", uuid_string );
- dictionary->retain();
- service = IOService::waitForService( dictionary, &tv );
- if( service ) {
- OSNumber *dev_major = (OSNumber *) service->getProperty( kIOBSDMajorKey );
- OSNumber *dev_minor = (OSNumber *) service->getProperty( kIOBSDMinorKey );
- OSString *iostr = (OSString *) service->getProperty( kIOBSDNameKey );
-
- if( iostr)
- strlcpy( bsd_name, iostr->getCStringNoCopy(), bsd_name_len );
-
- if ( dev_major && dev_minor )
- dev = makedev( dev_major->unsigned32BitValue(), dev_minor->unsigned32BitValue() );
- }
- uuid_string->release();
- }
- dictionary->release();
- }
-
- return dev;
-}
-
-
-void IOBSDIterateMediaWithContent(const char *content_uuid_cstring, int (*func)(const char *bsd_dev_name, const char *uuid_str, void *arg), void *arg)
-{
- OSDictionary *dictionary;
- OSString *content_uuid_string;
-
- dictionary = IOService::serviceMatching( "IOMedia" );
- if( dictionary ) {
- content_uuid_string = OSString::withCString( content_uuid_cstring );
- if( content_uuid_string ) {
- IOService *service;
- OSIterator *iter;
-
- dictionary->setObject( "Content", content_uuid_string );
- dictionary->retain();
-
- iter = IOService::getMatchingServices(dictionary);
- while (iter && (service = (IOService *)iter->getNextObject())) {
- if( service ) {
- OSString *iostr = (OSString *) service->getProperty( kIOBSDNameKey );
- OSString *uuidstr = (OSString *) service->getProperty( "UUID" );
- const char *uuid;
-
- if( iostr) {
- if (uuidstr) {
- uuid = uuidstr->getCStringNoCopy();
- } else {
- uuid = "00000000-0000-0000-0000-000000000000";
- }
-
- // call the callback
- if (func && func(iostr->getCStringNoCopy(), uuid, arg) == 0) {
- break;
- }
- }
- }
- }
- if (iter)
- iter->release();
-
- content_uuid_string->release();
- }
- dictionary->release();
- }
-}
-
-
-int IOBSDIsMediaEjectable( const char *cdev_name )
-{
- int ret = 0;
- OSDictionary *dictionary;
- OSString *dev_name;
-
- if (strncmp(cdev_name, "/dev/", 5) == 0) {
- cdev_name += 5;
- }
-
- dictionary = IOService::serviceMatching( "IOMedia" );
- if( dictionary ) {
- dev_name = OSString::withCString( cdev_name );
- if( dev_name ) {
- IOService *service;
- mach_timespec_t tv = { 5, 0 }; // wait up to "timeout" seconds for the device
-
- dictionary->setObject( kIOBSDNameKey, dev_name );
- dictionary->retain();
- service = IOService::waitForService( dictionary, &tv );
- if( service ) {
- OSBoolean *ejectable = (OSBoolean *) service->getProperty( "Ejectable" );
-
- if( ejectable ) {
- ret = (int)ejectable->getValue();
- }
-
- }
- dev_name->release();
- }
- dictionary->release();
- }
-
- return ret;
-}
-
} /* extern "C" */