1 /*
2 * Copyright (C) 2021 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #undef _GNU_SOURCE
18 #include <string.h>
19
20 // At the time of writing, libcxx -- which is dragged in by gtest -- assumes
21 // declarations from glibc of things that aren't available without _GNU_SOURCE.
22 // This means we can't even build a test that directly calls the posix
23 // strerror_r. Add a wrapper in a separate file that doesn't use any gtest.
24 // For glibc 2.15, the symbols in question are:
25 // at_quick_exit, quick_exit, vasprintf, strtoll_l, strtoull_l, and strtold_l.
26
posix_strerror_r(int errnum,char * buf,size_t buflen)27 int posix_strerror_r(int errnum, char* buf, size_t buflen) {
28 return strerror_r(errnum, buf, buflen);
29 }
30