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Update kernel

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This commit is contained in:
Alex
2023-06-10 13:11:25 +03:00
parent dcdba03426
commit 41db477173
82 changed files with 6342 additions and 4079 deletions
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46
FileSystem/FS/ustar.cpp
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@ -28,52 +28,20 @@ namespace VirtualFileSystem
{
if (!Size)
Size = node->Length;
if (Offset > node->Length)
if ((size_t)node->Offset > node->Length)
return 0;
if (Offset + Size > node->Length)
Size = node->Length - Offset;
memcpy(Buffer, (uint8_t *)(node->Address + Offset), Size);
if (node->Offset + Size > node->Length)
Size = node->Length - node->Offset;
memcpy(Buffer, (uint8_t *)(node->Address + node->Offset), Size);
return Size;
}
SeekFSFunction(USTAR_Seek)
{
long NewOffset;
if (Whence == SEEK_SET)
{
if (Offset > node->Length)
return -1;
node->Offset = Offset;
NewOffset = node->Offset;
}
else if (Whence == SEEK_CUR)
{
NewOffset = node->Offset + Offset;
if ((size_t)NewOffset > node->Length || NewOffset < 0)
return -1;
node->Offset = NewOffset;
}
else if (Whence == SEEK_END)
{
NewOffset = node->Length + Offset;
if (NewOffset < 0)
return -1;
node->Offset = NewOffset;
}
else
{
error("Invalid whence!");
return -1;
}
return NewOffset;
}
FileSystemOperations ustar_op = {
.Name = "ustar",
.Read = USTAR_Read,
.Seek = USTAR_Seek,
};
bool USTAR::TestArchive(uintptr_t Address)