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alistair23-linux/tools/lib/bpf/str_error.c

19 lines
479 B
C

// SPDX-License-Identifier: LGPL-2.1
#undef _GNU_SOURCE
#include <string.h>
#include <stdio.h>
#include "str_error.h"
/*
* 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 *str_error(int err, char *dst, int len)
{
int ret = strerror_r(err, dst, len);
if (ret)
snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
return dst;
}