1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- T E M P D I R --
-- --
-- B o d y --
-- --
-- Copyright (C) 2003-2007, 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 Hostparm; use Hostparm;
with Opt; use Opt;
with Output; use Output;
package body Tempdir is
Tmpdir_Needs_To_Be_Displayed : Boolean := True;
Tmpdir : constant String := "TMPDIR";
Gnutmpdir : constant String := "GNUTMPDIR";
No_Dir : aliased String := "";
Temp_Dir : String_Access := No_Dir'Access;
----------------------
-- 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 Tempdir
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
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;
-- Start of elaboration for package Tempdir
begin
declare
Dir : String_Access;
begin
-- On VMS, if GNUTMPDIR is defined, use it
if OpenVMS then
Dir := Getenv (Gnutmpdir);
-- Otherwise, if GNUTMPDIR is not defined, try TMPDIR
if Dir'Length = 0 then
Dir := Getenv (Tmpdir);
end if;
else
Dir := Getenv (Tmpdir);
end if;
if 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));
end if;
Free (Dir);
end;
end Tempdir;
|
