1 | /* Copyright libuv contributors. All rights reserved. |
2 | * |
3 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
4 | * of this software and associated documentation files (the "Software"), to |
5 | * deal in the Software without restriction, including without limitation the |
6 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
7 | * sell copies of the Software, and to permit persons to whom the Software is |
8 | * furnished to do so, subject to the following conditions: |
9 | * |
10 | * The above copyright notice and this permission notice shall be included in |
11 | * all copies or substantial portions of the Software. |
12 | * |
13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
14 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
15 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
16 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
17 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
18 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
19 | * IN THE SOFTWARE. |
20 | */ |
21 | |
22 | #include "uv.h" |
23 | #include "task.h" |
24 | #include <string.h> |
25 | |
26 | TEST_IMPL(gethostname) { |
27 | char buf[UV_MAXHOSTNAMESIZE]; |
28 | size_t size; |
29 | size_t enobufs_size; |
30 | int r; |
31 | |
32 | /* Reject invalid inputs */ |
33 | size = 1; |
34 | r = uv_os_gethostname(NULL, &size); |
35 | ASSERT(r == UV_EINVAL); |
36 | r = uv_os_gethostname(buf, NULL); |
37 | ASSERT(r == UV_EINVAL); |
38 | size = 0; |
39 | r = uv_os_gethostname(buf, &size); |
40 | ASSERT(r == UV_EINVAL); |
41 | |
42 | /* Return UV_ENOBUFS if the buffer cannot hold the hostname */ |
43 | enobufs_size = 1; |
44 | buf[0] = '\0'; |
45 | r = uv_os_gethostname(buf, &enobufs_size); |
46 | ASSERT(r == UV_ENOBUFS); |
47 | ASSERT(buf[0] == '\0'); |
48 | ASSERT(enobufs_size > 1); |
49 | |
50 | /* Successfully get the hostname */ |
51 | size = UV_MAXHOSTNAMESIZE; |
52 | r = uv_os_gethostname(buf, &size); |
53 | ASSERT(r == 0); |
54 | ASSERT(size > 1 && size == strlen(buf)); |
55 | ASSERT(size + 1 == enobufs_size); |
56 | |
57 | return 0; |
58 | } |
59 | |