1 /*
2 * Copyright (C) 2019 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 #include <errno.h>
18 #include <stdio.h>
19 #include <string.h>
20 #include <sys/stat.h>
21 #include <unistd.h>
22
23 /* These stubs exist mostly to support gtest. */
24
fopen(const char * restrict filename,const char * restrict mode)25 FILE* fopen(const char* restrict filename, const char* restrict mode) {
26 errno = ENOENT;
27 return NULL;
28 }
29
30 /*
31 * gtest expects getcwd to return a non-empty string, otherwise it will error
32 * internally.
33 */
getcwd(char * buf,size_t size)34 char* getcwd(char* buf, size_t size) {
35 strncpy(buf, "/", size);
36 return buf;
37 }
38
isatty(int fd)39 int isatty(int fd) {
40 return 0;
41 }
42
remove(const char * pathname)43 int remove(const char* pathname) {
44 errno = EACCES;
45 return -1;
46 }
47
mkdir(const char * pathname,mode_t mode)48 int mkdir(const char* pathname, mode_t mode) {
49 errno = EACCES;
50 return -1;
51 }
52
stat(const char * path,struct stat * buf)53 int stat(const char* path, struct stat* buf) {
54 errno = EACCES;
55 return -1;
56 }
57