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C++ BPartition::GetNextSupportedChildType方法代码示例

本文整理汇总了C++中BPartition::GetNextSupportedChildType方法的典型用法代码示例。如果您正苦于以下问题:C++ BPartition::GetNextSupportedChildType方法的具体用法?C++ BPartition::GetNextSupportedChildType怎么用?C++ BPartition::GetNextSupportedChildType使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在BPartition的用法示例。


在下文中一共展示了BPartition::GetNextSupportedChildType方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: _NewPartition

	void _NewPartition()
	{
		if (!fPrepared) {
			if (fDevice->IsReadOnly())
				printf("Device is read-only!\n");
			else
				printf("Sorry, not prepared for modifications!\n");
			return;
		}

		// get the parent partition
		BPartition* partition = NULL;
		int32 partitionIndex;
		if (!_SelectPartition("parent partition index [-1 to abort]: ",
				partition, partitionIndex)) {
			return;
		}

		printf("\nselected partition:\n\n");
		print_partition_table_header();
		print_partition(partition, 0, partitionIndex);

		if (!partition->ContainsPartitioningSystem()) {
			printf("The selected partition does not contain a partitioning "
				"system.\n");
			return;
		}

		// get supported types
		BObjectList<BString> supportedTypes(20, true);
		BString typeBuffer;
		int32 cookie = 0;
		while (partition->GetNextSupportedChildType(&cookie, &typeBuffer)
				== B_OK) {
			supportedTypes.AddItem(new BString(typeBuffer));
		}

		if (supportedTypes.IsEmpty()) {
			printf("The partitioning system is not able to create any "
				"child partition (no supported types).\n");
			return;
		}

		// get partitioning info
		BPartitioningInfo partitioningInfo;
		status_t error = partition->GetPartitioningInfo(&partitioningInfo);
		if (error != B_OK) {
			printf("Failed to get partitioning info for partition: %s\n",
				strerror(error));
			return;
		}

		int32 spacesCount = partitioningInfo.CountPartitionableSpaces();
		if (spacesCount == 0) {
			printf("There's no space on the partition where a child partition "
				"could be created\n");
			return;
		}

		// let the user select the partition type, if there's more than one
		int64 typeIndex = 0;
		int32 supportedTypesCount = supportedTypes.CountItems();
		if (supportedTypesCount > 1) {
			// list them
			printf("Possible partition types:\n");
			for (int32 i = 0; i < supportedTypesCount; i++)
				printf("%2ld  %s\n", i, supportedTypes.ItemAt(i)->String());

			if (!_ReadNumber("supported type index [-1 to abort]: ", 0,
					supportedTypesCount - 1, -1, "invalid index", typeIndex)) {
				return;
			}
		}

		const char* type = supportedTypes.ItemAt(typeIndex)->String();

		// list partitionable spaces
		printf("Unused regions where the new partition could be created:\n");
		for (int32 i = 0; i < spacesCount; i++) {
			off_t _offset;
			off_t _size;
			partitioningInfo.GetPartitionableSpaceAt(i, &_offset, &_size);
			BString offset, size;
			get_size_string(_offset, offset);
			get_size_string(_size, size);
			printf("%2ld  start: %8s,  size:  %8s\n", i, offset.String(),
				size.String());
		}

		// let the user select the partitionable space, if there's more than one
		int64 spaceIndex = 0;
		if (spacesCount > 1) {
			if (!_ReadNumber("unused region index [-1 to abort]: ", 0,
					spacesCount - 1, -1, "invalid index", spaceIndex)) {
				return;
			}
		}

		off_t spaceOffset;
		off_t spaceSize;
//.........这里部分代码省略.........
开发者ID:SummerSnail2014,项目名称:haiku,代码行数:101,代码来源:Partitioner.cpp


注:本文中的BPartition::GetNextSupportedChildType方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。