changed license to GPLv3 only; sorry, no trust to FSF anymore

[d2df-sdl.git] / src / shared / envvars.pas

diff --git a/src/shared/envvars.pas b/src/shared/envvars.pas
index 6f92b40786a857eea425680bfbc4068ffa4e145b..a76315f42d40f9ddfc84f2d8ecead137bcd2cd2d 100644 (file)
--- a/src/shared/envvars.pas
+++ b/src/shared/envvars.pas
@@ -1,9 +1,8 @@
-(* Copyright (C)  DooM 2D:Forever Developers
+(* Copyright (C)  Doom 2D: Forever Developers
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation, version 3 of the License ONLY.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -13,19 +12,27 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *)
-{$MODE OBJFPC}
+{$INCLUDE a_modes.inc}
+{.$MODE OBJFPC}
 unit envvars;
 
 interface
 
-uses SysUtils, CTypes;
+  uses SysUtils, CTypes;
 
-function SetEnvVar(const VarName: AnsiString; const VarVal: AnsiString): Boolean;
+  function SetEnvVar(const VarName: AnsiString; const VarVal: AnsiString): Boolean;
+  function GetUserName: String;
 
 implementation
 
+  uses
+{$IFDEF WINDOWS}
+    Windows,
+{$ENDIF}
+    utils;
+
+
 {$IFDEF WINDOWS}
-uses Windows;
 function setenv(const VarStr: PChar; const VarVal: PChar; Repl: cint): cint;
 begin
   if (SetEnvironmentVariable(VarStr, VarVal)) then
@@ -45,4 +52,25 @@ begin
   Result := (setenv(PChar(VarName), PChar(VarVal), 1) = 0);
 end;
 
+  (* Get system username already in cp1251 *)
+  function GetUserName: AnsiString;
+    var i: Integer;
+  begin
+    {$IF DEFINED(WINDOWS)}
+      Result := utf2win(UTF8String(SysUtils.GetEnvironmentVariable(WideString('USERNAME'))));
+    {$ELSEIF DEFINED(UNIX)}
+      Result := utf2win(SysUtils.GetEnvironmentVariable('USER'));
+    {$ELSE}
+      Result := '';
+    {$ENDIF}
+    (* invalidate username with non-cp1251 symbols *)
+    i := Low(Result);
+    while i <= High(Result) do
+    begin
+      if Result[i] = '?' then
+        Result := '';
+      Inc(i)
+    end
+  end;
+
 end.