xref: /openbmc/linux/tools/lib/bpf/str_error.c (revision 51f6b410)
1 // SPDX-License-Identifier: LGPL-2.1
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  */
12 char *str_error(int err, char *dst, int len)
13 {
14 	int ret = strerror_r(err, dst, len);
15 	if (ret)
16 		snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
17 	return dst;
18 }
19