#include<fileio.h>
#include<storage.h>

#define MAX_FS_COUNT 64

uint32 FsRead(FsNode *node, uint32 offset, uint32 size, uint8 *buffer)
{
	if (node->Read != NULL) return node->Read(node, offset, size, buffer);
	return NULL;
}

uint32 FsWrite(FsNode *node, uint32 offset, uint32 size, uint8 *buffer)
{
	if (node->Write != NULL) return node->Write(node, offset, size, buffer);
	return NULL;
}

void FsOpen(FsNode *node, uint8 read, uint8 write)
{
	if (node->Open != NULL) return node->Open(node, read, write);
}

void FsClose(FsNode *node)
{
	if (node->Close != NULL) return node->Close();
}

DirectoryEntry *FsReadDir(FsNode *node, uint32 index)
{
	if (node->ReadDir != NULL && (node->Flags&7) == FsDirectory)
		return node->ReadDir(node, index);
	return NULL;
}

FsNode *FsFindDir(FsNode *node, char *name)
{
	if (node->FindDir != NULL && (node->Flags&7) == FsDirectory)
		return node->FindDir(node, name);
	return NULL;
}