1// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
 2#undef _GNU_SOURCE
 3#include <string.h>
 4#include <stdio.h>
 5#include "str_error.h"
 6
 7/*
 8 * Wrapper to allow for building in non-GNU systems such as Alpine Linux's musl
 9 * libc, while checking strerror_r() return to avoid having to check this in
10 * all places calling it.
11 */
12char *libbpf_strerror_r(int err, char *dst, int len)
13{
14	int ret = strerror_r(err < 0 ? -err : err, dst, len);
15	if (ret)
16		snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
17	return dst;
18}