1 /* Unlinking class
2 
3    Copyright (C) 2016-2021 Free Software Foundation, Inc.
4 
5    This file is part of GDB.
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 3 of the License, or
10    (at your option) any later version.
11 
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16 
17    You should have received a copy of the GNU General Public License
18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19 
20 #ifndef COMMON_GDB_UNLINKER_H
21 #define COMMON_GDB_UNLINKER_H
22 
23 namespace gdb
24 {
25 
26 /* An object of this class holds a filename and, when the object goes
27    of scope, the file is removed using unlink.
28 
29    A user of this class can request that the file be preserved using
30    the "keep" method.  */
31 class unlinker
32 {
33  public:
34 
unlinker(const char * filename)35   unlinker (const char *filename) ATTRIBUTE_NONNULL (2)
36     : m_filename (filename)
37   {
38     gdb_assert (filename != NULL);
39   }
40 
~unlinker()41   ~unlinker ()
42   {
43     if (m_filename != NULL)
44       unlink (m_filename);
45   }
46 
47   /* Keep the file, rather than unlink it.  */
keep()48   void keep ()
49   {
50     m_filename = NULL;
51   }
52 
53  private:
54 
55   const char *m_filename;
56 };
57 
58 }
59 
60 #endif /* COMMON_GDB_UNLINKER_H */
61