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 */ 12 char *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