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/* sframe-error.c - Error messages.
Copyright (C) 2022-2023 Free Software Foundation, Inc.
This file is part of libsframe.
This program 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 of the License, 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. If not, see <http://www.gnu.org/licenses/>. */
#include "sframe-api.h"
#include <stddef.h>
#include <string.h>
/* In this file, we want to treat the first item of the SFrame error
macro like subsequent items. */
#define _SFRAME_FIRST(NAME, VALUE) _SFRAME_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 char *const _sframe_errlist[] = {
#define _SFRAME_ITEM(n, s) s,
_SFRAME_ERRORS
#undef _SFRAME_ITEM
};
const char *
sframe_errmsg (int error)
{
const char *str;
if (error >= SFRAME_ERR_BASE && (error - SFRAME_ERR_BASE) < SFRAME_ERR_NERR)
str = _sframe_errlist[error - SFRAME_ERR_BASE];
else
str = (const char *) strerror (error);
return (str ? str : "Unknown error");
}
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