LXR linux/tools/lib/bpf/str

   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/*
   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 */
  12char *libbpf_strerror_r(int err, char *dst, int len)
  13{
  14        int ret = strerror_r(err < 0 ? -err : err, dst, len);
  15        if (ret)
  16                snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
  17        return dst;
  18}
  19