From: Ketmar Dark <ketmar@ketmar.no-ip.org>
Date: Sun, 13 Oct 2019 00:21:38 +0000 (+0300)
Subject: utils: added `GetDiskFileInfo()` function
X-Git-Url: http://deadsoftware.ru/gitweb?a=commitdiff_plain;h=7ddf228d373859083726fdead73c4d84c8f05716;p=d2df-sdl.git

utils: added `GetDiskFileInfo()` function
---

diff --git a/src/shared/utils.pas b/src/shared/utils.pas
index 5ef5884..867f0dc 100644
--- a/src/shared/utils.pas
+++ b/src/shared/utils.pas
@@ -18,7 +18,7 @@ unit utils;
 interface
 
 uses
-  SysUtils, Classes;
+  SysUtils, Classes, md5;
 
 
 // ////////////////////////////////////////////////////////////////////////// //
@@ -277,6 +277,21 @@ procedure CopyMemory (Dest: Pointer; Src: Pointer; Len: LongWord); inline;
 procedure ZeroMemory (Dest: Pointer; Len: LongWord); inline;
 
 
+type
+  TDiskFileInfo = record
+    diskName: AnsiString;
+    size: LongInt;
+    age: LongInt;
+    // not changed by info getter; used in other parts of the code
+    userName: AnsiString;
+    tag: Integer;
+    hash: TMD5Digest;
+    udata: Pointer;
+  end;
+
+function GetDiskFileInfo (fname: AnsiString; var info: TDiskFileInfo): Boolean;
+
+
 implementation
 
 uses
@@ -1997,6 +2012,32 @@ begin
 end;
 
 
+function GetDiskFileInfo (fname: AnsiString; var info: TDiskFileInfo): Boolean;
+var
+  age: LongInt;
+  size: LongInt;
+  handle: THandle;
+begin
+  result := false;
+  if (length(fname) = 0) then exit;
+  if not findFileCI(fname) then exit;
+  // get age
+  age := FileAge(fname);
+  if (age = -1) then exit;
+  // get size
+  handle := FileOpen(fname, fmOpenRead or fmShareDenyNone);
+  if (handle = THandle(-1)) then exit;
+  size := FileSeek(handle, 0, fsFromEnd);
+  FileClose(handle);
+  if (size = -1) then exit;
+  // fill info
+  info.diskName := fname;
+  info.size := size;
+  info.age := age;
+  result := true;
+end;
+
+
 (*
 var
   ss: ShortString;