1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2003-2007, 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, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, 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;
30 with Output; use Output;
32 package body Tempdir is
34 Tmpdir_Needs_To_Be_Displayed : Boolean := True;
36 Tmpdir : constant String := "TMPDIR";
37 No_Dir : aliased String := "";
38 Temp_Dir : String_Access := No_Dir'Access;
40 ----------------------
41 -- Create_Temp_File --
42 ----------------------
44 procedure Create_Temp_File
45 (FD : out File_Descriptor;
46 Name : out Path_Name_Type)
48 File_Name : String_Access;
49 Current_Dir : constant String := Get_Current_Dir;
51 function Directory return String;
52 -- Returns Temp_Dir.all if not empty, else return current directory
58 function Directory return String is
60 if Temp_Dir'Length /= 0 then
68 -- Start of processing Tempdir
71 if Temp_Dir'Length /= 0 then
73 -- In verbose mode, display once the value of TMPDIR, so that
74 -- if temp files cannot be created, it is easier to understand
75 -- where temp files are supposed to be created.
77 if Verbose_Mode and then Tmpdir_Needs_To_Be_Displayed then
78 Write_Str ("TMPDIR = """);
79 Write_Str (Temp_Dir.all);
81 Tmpdir_Needs_To_Be_Displayed := False;
84 -- Change directory to TMPDIR before creating the temp file,
85 -- then change back immediately to the previous directory.
87 Change_Dir (Temp_Dir.all);
88 Create_Temp_File (FD, File_Name);
89 Change_Dir (Current_Dir);
92 Create_Temp_File (FD, File_Name);
95 if FD = Invalid_FD then
100 Path_Name : constant String :=
102 (Directory & Directory_Separator & File_Name.all);
105 Name_Len := Path_Name'Length;
106 Name_Buffer (1 .. Name_Len) := Path_Name;
111 end Create_Temp_File;
113 -- Start of elaboration for package Tempdir
117 Dir : String_Access := Getenv (Tmpdir);
120 if Dir'Length > 0 and then
121 Is_Absolute_Path (Dir.all) and then
122 Is_Directory (Dir.all)
124 Temp_Dir := new String'(Normalize_Pathname (Dir.all));