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with Interfaces.C; use Interfaces.C;
with System; use System;
package body Windows_Default_Path is
subtype DWORD is Interfaces.C.Unsigned_Long;
subtype LPWSTR is String;
subtype HINSTANCE is Address;
function GetModuleFileName (Inst : HINSTANCE; Buf : Address; Size : DWORD)
return DWORD;
pragma Import (Stdcall, GetModuleFileName, "GetModuleFileNameA");
function Get_Windows_Exec_Path return String
is
File : String (1 .. 256);
Size : DWORD;
P : Natural;
begin
-- Get exe file path.
Size := GetModuleFileName (Null_Address, File'Address, File'Length);
if Size = 0 or Size = File'Length then
return "{cannot find install path}\lib";
end if;
-- Remove Program file.
P := Natural (Size);
while P > 0 loop
exit when File (P) = '\';
exit when File (P) = ':' and P = 2;
P := P - 1;
end loop;
if File (P) = '\' and P > 1 then
-- Remove directory
P := P - 1;
while P > 0 loop
exit when File (P) = '\';
exit when File (P) = ':' and P = 2;
P := P - 1;
end loop;
end if;
return File (1 .. P);
end Get_Windows_Exec_Path;
end Windows_Default_Path;
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