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Diffstat (limited to 'gcc-4.3.1/gcc/ada/tempdir.adb')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/tempdir.adb | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/tempdir.adb b/gcc-4.3.1/gcc/ada/tempdir.adb new file mode 100644 index 000000000..f8143354b --- /dev/null +++ b/gcc-4.3.1/gcc/ada/tempdir.adb @@ -0,0 +1,145 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |