git_admin/Virtual-File-System
1
0
Fork 0
mirror of https://github.com/CloudDelphi/Virtual-File-System synced 2025-12-19 09:53:54 +01:00
Code Issues Packages Projects Releases Wiki Activity

Improved directory scanning performance by enlarging buffer size and fixed bug with external buffer corruption in NtQueryDirectoryFiles. Everything works!

Browse Source
This commit is contained in:
Berserker 2019-05-25 17:26:42 +03:00
parent fa991ef152
commit 4b1a3df792
2 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
VfsHooks.pas
View File

@ -489,17 +489,18 @@ begin
WriteLog('[INNER] NtQueryDirectoryFile', 'Written entry: ' + EntryName);
end;
if StructConvertResult <> TOO_SMALL_BUF then begin
with PFILE_ID_BOTH_DIR_INFORMATION(BufCaret)^ do begin
NextEntryOffset := 0;
FileIndex := 0;
end;
end;
if StructConvertResult = TOO_SMALL_BUF then begin
OpenedFile.DirListing.SeekRel(-1);
if IsFirstEntry then begin
result := STATUS_INFO_LENGTH_MISMATCH;
VarDump([BufLength, WinNative.GetFileInformationClassSize(InfoClass), BytesWritten, '---', Buffer, BufCaret, BufSize]);
end;
end else if StructConvertResult = TRUNCATED_NAME then begin
if IsFirstEntry then begin

2
VfsUtils.pas
View File

@ -79,7 +79,7 @@ type
TSysDirScanner = class (Utils.TManagedObject, ISysDirScanner)
protected const
BUF_SIZE = (sizeof(WinNative.FILE_ID_BOTH_DIR_INFORMATION) + MAX_FILENAME_SIZE) * 10;
BUF_SIZE = 65000;
protected
fOwnsDirHandle: boolean;