yaffsfs.c: Fix NULL dereference in yaffs_unmount2_reldev()
[yaffs2.git] / direct / test-framework / unit_tests / quick_tests / test_yaffs_close_EBADF.c
1 /*
2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
3  *
4  * Copyright (C) 2002-2018 Aleph One Ltd.
5  *
6  * Created by Timothy Manning <timothy@yaffs.net>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12
13 /* generates a EBADF error by closing a handle twice */
14
15 #include "test_yaffs_open.h"
16
17 static int handle = -1;
18
19 int test_yaffs_close_EBADF(void)
20 {
21         int output = 0;
22         int error_code = 0;
23
24         handle = test_yaffs_open();
25         if (handle >= 0){
26                 output = yaffs_close(handle);
27                 if (output >= 0){
28                         output = yaffs_close(handle);
29                         if (output < 0){
30                                 error_code = yaffs_get_error();
31                                 if (abs(error_code) == EBADF){
32                                         handle =-1;
33                                         return 1;
34                                 } else {
35                                         print_message("different error than expected\n",2);
36                                         return -1;
37                                 }
38                         } else {
39                                 print_message("closed the same handle twice. (which is a bad thing)\n", 2);
40                                 return -1;
41                         }
42                 } else {
43                         print_message("failed to close the handle the firs time\n", 2);
44                         return -1;
45                 }       
46         } else {
47                 print_message("failed to open file\n", 2);
48                 return -1;
49         }
50
51 }
52
53
54 int test_yaffs_close_EBADF_clean(void)
55 {
56         if (handle >= 0){
57                 printf("handle %d\n",handle);
58                 return yaffs_close(handle);
59         } else {
60                 return 1;
61         }
62 }
63