1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2003-2014, 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 3, 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 COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
29 with Output; use Output;
31 package body Tempdir is
33 Tmpdir_Needs_To_Be_Displayed : Boolean := True;
35 Tmpdir : constant String := "TMPDIR";
36 Temp_Dir : String_Access := new String'("");
38 ----------------------
39 -- Create_Temp_File --
40 ----------------------
42 procedure Create_Temp_File
43 (FD : out File_Descriptor;
44 Name : out Path_Name_Type)
46 File_Name : String_Access;
47 Current_Dir : constant String := Get_Current_Dir;
49 function Directory return String;
50 -- Returns Temp_Dir.all if not empty, else return current directory
56 function Directory return String is
58 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
93 Write_Line ("could not create temporary file in " & Directory);
98 Path_Name : constant String :=
100 (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;
114 procedure Use_Temp_Dir (Status : Boolean) is
119 Dir := Getenv (Tmpdir);
125 and then Dir'Length > 0
126 and then Is_Absolute_Path (Dir.all)
127 and then Is_Directory (Dir.all)
129 Temp_Dir := new String'(Normalize_Pathname (Dir.all));
131 Temp_Dir := new String'("");
137 -- Start of elaboration for package Tempdir
140 Use_Temp_Dir (Status => True);