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/* make sure libbpf doesn't use kernel-only integer typedefs */
8#pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
9
10/*
11 * Wrapper to allow for building in non-GNU systems such as Alpine Linux's musl
12 * libc, while checking strerror_r() return to avoid having to check this in
13 * all places calling it.
14 */
15char *libbpf_strerror_r(int err, char *dst, int len)
16{
17	int ret = strerror_r(err < 0 ? -err : err, dst, len);
18	if (ret)
19		snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
20	return dst;
21}
22