Differential D16487 Diff 44371 src/plugins/sfdisk/sfdiskbackend.cpp

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src/plugins/sfdisk/sfdiskbackend.cpp

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16 *************************************************************************/ 16​ *************************************************************************/
17 17​
18/** @file 18​/** @file
19*/ 19​*/
20 20​
21#include "plugins/sfdisk/sfdiskbackend.h" 21​#include "plugins/sfdisk/sfdiskbackend.h"
22#include "plugins/sfdisk/sfdiskdevice.h" 22​#include "plugins/sfdisk/sfdiskdevice.h"
23 23​
24​#include "core/copysourcedevice.h"
25​#include "core/copytargetbytearray.h"
24#include "core/diskdevice.h" 26​#include "core/diskdevice.h"
25#include "core/lvmdevice.h" 27​#include "core/lvmdevice.h"
26#include "core/partitiontable.h" 28​#include "core/partitiontable.h"
27#include "core/partitionalignment.h" 29​#include "core/partitionalignment.h"
28#include "core/raid/softwareraid.h" 30​#include "core/raid/softwareraid.h"
29 31​
30#include "fs/filesystemfactory.h" 32​#include "fs/filesystemfactory.h"
31#include "fs/luks.h" 33​#include "fs/luks.h"
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327 } 329​ }
328 330​
329 setPartitionTableForDevice(d, new PartitionTable(type, firstUsableSector, lastUsableSector)); 331​ setPartitionTableForDevice(d, new PartitionTable(type, firstUsableSector, lastUsableSector));
330 switch (type) { 332​ switch (type) {
331 case PartitionTable::gpt: 333​ case PartitionTable::gpt:
332 { 334​ {
333 // Read the maximum number of GPT partitions 335​ // Read the maximum number of GPT partitions
334 qint32 maxEntries; 336​ qint32 maxEntries;
335 ExternalCommand ddCommand(QStringLiteral("dd"), 337​ QByteArray gptHeader;
336 { QStringLiteral("skip=1"), QStringLiteral("count=1"), (QStringLiteral("if=") + d.deviceNode()) }, 338​ CopySourceDevice source(d, 512, 1023);
337 QProcess::SeparateChannels); 339​ CopyTargetByteArray target(gptHeader);
338 if (ddCommand.run(-1) && ddCommand.exitCode() == 0 ) { 340​
339 QByteArray gptHeader = ddCommand.rawOutput(); 341​ ExternalCommand copyCmd;
342​ if (copyCmd.copyBlocks(source, target)) {
340 QByteArray gptMaxEntries = gptHeader.mid(80, 4); 343​ QByteArray gptMaxEntries = gptHeader.mid(80, 4);
341 QDataStream stream(&gptMaxEntries, QIODevice::ReadOnly); 344​ QDataStream stream(&gptMaxEntries, QIODevice::ReadOnly);
342 stream.setByteOrder(QDataStream::LittleEndian); 345​ stream.setByteOrder(QDataStream::LittleEndian);
343 stream >> maxEntries; 346​ stream >> maxEntries;
344 } 347​ }
345 else 348​ else
346 maxEntries = 128; 349​ maxEntries = 128;
347 CoreBackend::setPartitionTableMaxPrimaries(*d.partitionTable(), maxEntries); 350​ CoreBackend::setPartitionTableMaxPrimaries(*d.partitionTable(), maxEntries);
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