Line data Source code
1 : /* code-to-errno.c - Mapping error codes to errnos.
2 : Copyright (C) 2003 g10 Code GmbH
3 :
4 : This file is part of libgpg-error.
5 :
6 : libgpg-error is free software; you can redistribute it and/or
7 : modify it under the terms of the GNU Lesser General Public License
8 : as published by the Free Software Foundation; either version 2.1 of
9 : the License, or (at your option) any later version.
10 :
11 : libgpg-error is distributed in the hope that it will be useful, but
12 : WITHOUT ANY WARRANTY; without even the implied warranty of
13 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 : Lesser General Public License for more details.
15 :
16 : You should have received a copy of the GNU Lesser General Public
17 : License along with libgpg-error; if not, write to the Free
18 : Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19 : 02111-1307, USA. */
20 :
21 : #if HAVE_CONFIG_H
22 : #include <config.h>
23 : #endif
24 :
25 : #include <gpg-error.h>
26 :
27 : #include "code-to-errno.h"
28 :
29 : /* Retrieve the system error for the error code CODE. This returns 0
30 : if CODE is not a system error code. */
31 : int
32 0 : _gpg_err_code_to_errno (gpg_err_code_t code)
33 : {
34 0 : if (!(code & GPG_ERR_SYSTEM_ERROR))
35 : return 0;
36 0 : code &= ~GPG_ERR_SYSTEM_ERROR;
37 :
38 0 : if (code < sizeof (err_code_to_errno) / sizeof (err_code_to_errno[0]))
39 0 : return err_code_to_errno[code];
40 : else
41 : return 0;
42 : }
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