1*4882a593Smuzhiyun // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2*4882a593Smuzhiyun #undef _GNU_SOURCE
3*4882a593Smuzhiyun #include <string.h>
4*4882a593Smuzhiyun #include <stdio.h>
5*4882a593Smuzhiyun #include "str_error.h"
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun /* make sure libbpf doesn't use kernel-only integer typedefs */
8*4882a593Smuzhiyun #pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun /*
11*4882a593Smuzhiyun * Wrapper to allow for building in non-GNU systems such as Alpine Linux's musl
12*4882a593Smuzhiyun * libc, while checking strerror_r() return to avoid having to check this in
13*4882a593Smuzhiyun * all places calling it.
14*4882a593Smuzhiyun */
libbpf_strerror_r(int err,char * dst,int len)15*4882a593Smuzhiyun char *libbpf_strerror_r(int err, char *dst, int len)
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun int ret = strerror_r(err < 0 ? -err : err, dst, len);
18*4882a593Smuzhiyun if (ret)
19*4882a593Smuzhiyun snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
20*4882a593Smuzhiyun return dst;
21*4882a593Smuzhiyun }
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