Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Arnaldo Carvalho de Melo |
61 |
48.80% |
1 |
12.50% |
| Andrii Nakryiko |
57 |
45.60% |
3 |
37.50% |
| Wang Nan |
5 |
4.00% |
2 |
25.00% |
| Andrey Ignatov |
1 |
0.80% |
1 |
12.50% |
| Alexei Starovoitov |
1 |
0.80% |
1 |
12.50% |
| Total |
125 |
|
8 |
|
123456789101112131415161718192021222324252627282930313233
// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
#undef _GNU_SOURCE
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include "str_error.h"
/* make sure libbpf doesn't use kernel-only integer typedefs */
#pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
/*
* Wrapper to allow for building in non-GNU systems such as Alpine Linux's musl
* libc, while checking strerror_r() return to avoid having to check this in
* all places calling it.
*/
char *libbpf_strerror_r(int err, char *dst, int len)
{
int ret = strerror_r(err < 0 ? -err : err, dst, len);
/* on glibc <2.13, ret == -1 and errno is set, if strerror_r() can't
* handle the error, on glibc >=2.13 *positive* (errno-like) error
* code is returned directly
*/
if (ret == -1)
ret = errno;
if (ret) {
if (ret == EINVAL)
/* strerror_r() doesn't recognize this specific error */
snprintf(dst, len, "unknown error (%d)", err < 0 ? err : -err);
else
snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
}
return dst;
}