1 | /* Test for fmemopen implementation. |
2 | Copyright (C) 2000-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | static char buffer[] = "foobar" ; |
20 | |
21 | #include <errno.h> |
22 | #include <stdio.h> |
23 | #include <string.h> |
24 | #include <errno.h> |
25 | #include <mcheck.h> |
26 | |
27 | static int |
28 | do_bz18820 (void) |
29 | { |
30 | char ch; |
31 | FILE *stream; |
32 | |
33 | errno = 0; |
34 | stream = fmemopen (&ch, 1, "?" ); |
35 | if (stream) |
36 | { |
37 | printf (format: "fmemopen: expected NULL, got %p\n" , stream); |
38 | fclose (stream); |
39 | return 1; |
40 | } |
41 | if (errno != EINVAL) |
42 | { |
43 | printf (format: "fmemopen: got %i, expected EINVAL (%i)\n" , errno, EINVAL); |
44 | return 10; |
45 | } |
46 | |
47 | stream = fmemopen (NULL, 42, "?" ); |
48 | if (stream) |
49 | { |
50 | printf (format: "fmemopen: expected NULL, got %p\n" , stream); |
51 | fclose (stream); |
52 | return 2; |
53 | } |
54 | |
55 | errno = 0; |
56 | stream = fmemopen (NULL, ~0, "w" ); |
57 | if (stream) |
58 | { |
59 | printf (format: "fmemopen: expected NULL, got %p\n" , stream); |
60 | fclose (stream); |
61 | return 3; |
62 | } |
63 | if (errno != ENOMEM) |
64 | { |
65 | printf (format: "fmemopen: got %i, expected ENOMEM (%i)\n" , errno, ENOMEM); |
66 | return 20; |
67 | } |
68 | |
69 | return 0; |
70 | } |
71 | |
72 | static int |
73 | do_test (void) |
74 | { |
75 | int ch; |
76 | FILE *stream; |
77 | int ret = 0; |
78 | |
79 | mtrace (); |
80 | |
81 | stream = fmemopen (buffer, strlen (buffer), "r+" ); |
82 | |
83 | while ((ch = fgetc (stream: stream)) != EOF) |
84 | printf (format: "Got %c\n" , ch); |
85 | |
86 | fputc (c: '1', stream: stream); |
87 | if (fflush (stream) != EOF || errno != ENOSPC) |
88 | { |
89 | printf (format: "fflush didn't fail with ENOSPC\n" ); |
90 | ret = 1; |
91 | } |
92 | |
93 | fclose (stream); |
94 | |
95 | return ret + do_bz18820 (); |
96 | } |
97 | |
98 | #define TEST_FUNCTION do_test () |
99 | #include "../test-skeleton.c" |
100 | |