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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/router/libgpg-error-1.10/src/
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.  */
31int
32gpg_err_code_to_errno (gpg_err_code_t code)
33{
34  if (!(code & GPG_ERR_SYSTEM_ERROR))
35    return 0;
36  code &= ~GPG_ERR_SYSTEM_ERROR;
37
38  if (code < sizeof (err_code_to_errno) / sizeof (err_code_to_errno[0]))
39    return err_code_to_errno[code];
40  else
41    return 0;
42}
43