1/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <string.h>
19#include <libintl.h>
20#include <stdio.h>
21#include <stdlib.h>
22
23/* Return a string describing the errno code in ERRNUM. */
24char *
25__strerror_r (int errnum, char *buf, size_t buflen)
26{
27 char *err = (char *) __get_errlist (errnum);
28 if (__glibc_unlikely (err == NULL))
29 {
30 __snprintf (buf, buflen, "%s%d", _("Unknown error "), errnum);
31 return buf;
32 }
33
34 return _(err);
35}
36weak_alias (__strerror_r, strerror_r)
37libc_hidden_def (__strerror_r)
38