1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2003 Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
29 with Namet; use Namet;
31 with Output; use Output;
33 package body Tempdir is
35 Tmpdir_Needs_To_Be_Displayed : Boolean := True;
37 Tmpdir : constant String := "TMPDIR";
38 No_Dir : aliased String := "";
39 Temp_Dir : String_Access := No_Dir'Access;
41 procedure Create_Temp_File
42 (FD : out File_Descriptor;
45 File_Name : String_Access;
46 Current_Dir : constant String := Get_Current_Dir;
48 function Directory return String;
49 -- Returns Temp_Dir.all if not empty, else return current directory
55 function Directory return String is
57 if Temp_Dir'Length /= 0 then
65 -- Start of processing Tempdir
68 if Temp_Dir'Length /= 0 then
70 -- In verbose mode, display once the value of TMPDIR, so that
71 -- if temp files cannot be created, it is easier to understand
72 -- where temp files are supposed to be created.
74 if Verbose_Mode and then Tmpdir_Needs_To_Be_Displayed then
75 Write_Str ("TMPDIR = """);
76 Write_Str (Temp_Dir.all);
78 Tmpdir_Needs_To_Be_Displayed := False;
81 -- Change directory to TMPDIR before creating the temp file,
82 -- then change back immediately to the previous directory.
84 Change_Dir (Temp_Dir.all);
85 Create_Temp_File (FD, File_Name);
86 Change_Dir (Current_Dir);
89 Create_Temp_File (FD, File_Name);
92 if FD = Invalid_FD then
97 Path_Name : constant String :=
99 (Directory & Directory_Separator & File_Name.all);
102 Name_Len := Path_Name'Length;
103 Name_Buffer (1 .. Name_Len) := Path_Name;
108 end Create_Temp_File;
110 -- Start of elaboration for package Tempdir
114 Dir : String_Access := Getenv (Tmpdir);
117 if Dir'Length > 0 and then Is_Absolute_Path (Dir.all) then
118 Temp_Dir := new String'(Normalize_Pathname (Dir.all));