blob: d15f13a22a91cc326d53417da75f27a0f1c5739a (
plain)
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
|
/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <errno.h>
#include <libintl.h>
#include <array_length.h>
const char *const _sys_errlist_internal[] =
{
#define _S(n, str) [n] = str,
#include <errlist.h>
#undef _S
};
const char *
__get_errlist (int errnum)
{
if (errnum >= 0 && errnum < array_length (_sys_errlist_internal))
return _sys_errlist_internal[errnum];
return NULL;
}
static const union sys_errname_t
{
struct
{
#define MSGSTRFIELD1(line) str##line
#define MSGSTRFIELD(line) MSGSTRFIELD1(line)
#define _S(n, str) char MSGSTRFIELD(__LINE__)[sizeof(str)];
#include <errlist.h>
#undef _S
};
char str[0];
} _sys_errname = { {
#define _S(n, s) s,
#include <errlist.h>
#undef _S
} };
static const unsigned short _sys_errnameidx[] =
{
#define _S(n, s) [n] = offsetof(union sys_errname_t, MSGSTRFIELD(__LINE__)),
#include <errlist.h>
#undef _S
};
const char *
__get_errname (int errnum)
{
if (errnum < 0 || errnum >= array_length (_sys_errnameidx)
|| (errnum > 0 && _sys_errnameidx[errnum] == 0))
return NULL;
return _sys_errname.str + _sys_errnameidx[errnum];
}
#include <errlist-compat.c>
|
