| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- T E M P D I R -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 2003-2022, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- |
| -- for more details. You should have received a copy of the GNU General -- |
| -- Public License distributed with GNAT; see file COPYING3. If not, go to -- |
| -- http://www.gnu.org/licenses for a complete copy of the license. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with GNAT.Directory_Operations; use GNAT.Directory_Operations; |
| |
| with Opt; use Opt; |
| with Output; use Output; |
| |
| package body Tempdir is |
| |
| Tmpdir_Needs_To_Be_Displayed : Boolean := True; |
| |
| Tmpdir : constant String := "TMPDIR"; |
| Temp_Dir : String_Access := new String'(""); |
| |
| ---------------------- |
| -- Create_Temp_File -- |
| ---------------------- |
| |
| procedure Create_Temp_File |
| (FD : out File_Descriptor; |
| Name : out Path_Name_Type) |
| is |
| File_Name : String_Access; |
| Current_Dir : constant String := Get_Current_Dir; |
| |
| function Directory return String; |
| -- Returns Temp_Dir.all if not empty, else return current directory |
| |
| --------------- |
| -- Directory -- |
| --------------- |
| |
| function Directory return String is |
| begin |
| if Temp_Dir'Length /= 0 then |
| return Temp_Dir.all; |
| else |
| return Current_Dir; |
| end if; |
| end Directory; |
| |
| -- Start of processing for Create_Temp_File |
| |
| begin |
| if Temp_Dir'Length /= 0 then |
| |
| -- In verbose mode, display once the value of TMPDIR, so that |
| -- if temp files cannot be created, it is easier to understand |
| -- where temp files are supposed to be created. |
| |
| if Verbose_Mode and then Tmpdir_Needs_To_Be_Displayed then |
| Write_Str ("TMPDIR = """); |
| Write_Str (Temp_Dir.all); |
| Write_Line (""""); |
| Tmpdir_Needs_To_Be_Displayed := False; |
| end if; |
| |
| -- Change directory to TMPDIR before creating the temp file, |
| -- then change back immediately to the previous directory. |
| |
| Change_Dir (Temp_Dir.all); |
| Create_Temp_File (FD, File_Name); |
| Change_Dir (Current_Dir); |
| |
| else |
| Create_Temp_File (FD, File_Name); |
| end if; |
| |
| if FD = Invalid_FD then |
| Write_Line ("could not create temporary file in " & Directory); |
| Name := No_Path; |
| |
| else |
| declare |
| Path_Name : constant String := |
| Normalize_Pathname |
| (Directory & Directory_Separator & File_Name.all); |
| begin |
| Name_Len := Path_Name'Length; |
| Name_Buffer (1 .. Name_Len) := Path_Name; |
| Name := Name_Find; |
| Free (File_Name); |
| end; |
| end if; |
| end Create_Temp_File; |
| |
| ------------------ |
| -- Use_Temp_Dir -- |
| ------------------ |
| |
| procedure Use_Temp_Dir (Status : Boolean) is |
| Dir : String_Access; |
| |
| begin |
| if Status then |
| Dir := Getenv (Tmpdir); |
| end if; |
| |
| Free (Temp_Dir); |
| |
| if Dir /= null |
| and then Dir'Length > 0 |
| and then Is_Absolute_Path (Dir.all) |
| and then Is_Directory (Dir.all) |
| then |
| Temp_Dir := new String'(Normalize_Pathname (Dir.all)); |
| else |
| Temp_Dir := new String'(""); |
| end if; |
| |
| Free (Dir); |
| end Use_Temp_Dir; |
| |
| -- Start of elaboration for package Tempdir |
| |
| begin |
| Use_Temp_Dir (Status => True); |
| end Tempdir; |
