mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* Error table.
|
|
Copyright (C) 2019-2021 Free Software Foundation, Inc.
|
|
|
|
This file is part of libctf.
|
|
|
|
libctf is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License as published by the Free
|
|
Software Foundation; either version 3, or (at your option) any later
|
|
version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <ctf-impl.h>
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
|
|
/* This construct is due to Bruno Haible: much thanks. */
|
|
|
|
/* Give each structure member a unique name. The name does not matter, so we
|
|
use the enum constant to uniquify them. */
|
|
|
|
#define ERRSTRFIELD(N) ctf_errstr##N
|
|
|
|
/* In this file, we want to treat the first item of the ctf error
|
|
macro like subsequent items. */
|
|
#define _CTF_FIRST(NAME, VALUE) _CTF_ITEM(NAME, VALUE)
|
|
|
|
/* The error message strings, each in a unique structure member precisely big
|
|
enough for that error, plus a str member to access them all as a string
|
|
table. */
|
|
|
|
static const union _ctf_errlist_t
|
|
{
|
|
__extension__ struct
|
|
{
|
|
#define _CTF_ITEM(n, s) char ERRSTRFIELD (n) [sizeof (s)];
|
|
_CTF_ERRORS
|
|
#undef _CTF_ITEM
|
|
};
|
|
char str[1];
|
|
} _ctf_errlist =
|
|
{
|
|
{
|
|
#define _CTF_ITEM(n, s) N_(s),
|
|
_CTF_ERRORS
|
|
#undef _CTF_ITEM
|
|
}
|
|
};
|
|
|
|
/* Offsets to each member in the string table, computed using offsetof. */
|
|
|
|
static const unsigned int _ctf_erridx[] =
|
|
{
|
|
#define _CTF_ITEM(n, s) [n - ECTF_BASE] = offsetof (union _ctf_errlist_t, ERRSTRFIELD (n)),
|
|
_CTF_ERRORS
|
|
#undef _CTF_ITEM
|
|
};
|
|
|
|
const char *
|
|
ctf_errmsg (int error)
|
|
{
|
|
const char *str;
|
|
|
|
if (error >= ECTF_BASE && (error - ECTF_BASE) < ECTF_NERR)
|
|
str = _ctf_errlist.str + _ctf_erridx[error - ECTF_BASE];
|
|
else
|
|
str = (const char *) strerror (error);
|
|
|
|
return (str ? gettext (str) : _("Unknown error"));
|
|
}
|
|
|
|
int
|
|
ctf_errno (ctf_dict_t * fp)
|
|
{
|
|
return fp->ctf_errno;
|
|
}
|