1*0e552da7Schristos /* Copyright libuv contributors. All rights reserved.
2*0e552da7Schristos *
3*0e552da7Schristos * Permission is hereby granted, free of charge, to any person obtaining a copy
4*0e552da7Schristos * of this software and associated documentation files (the "Software"), to
5*0e552da7Schristos * deal in the Software without restriction, including without limitation the
6*0e552da7Schristos * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7*0e552da7Schristos * sell copies of the Software, and to permit persons to whom the Software is
8*0e552da7Schristos * furnished to do so, subject to the following conditions:
9*0e552da7Schristos *
10*0e552da7Schristos * The above copyright notice and this permission notice shall be included in
11*0e552da7Schristos * all copies or substantial portions of the Software.
12*0e552da7Schristos *
13*0e552da7Schristos * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14*0e552da7Schristos * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15*0e552da7Schristos * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16*0e552da7Schristos * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17*0e552da7Schristos * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18*0e552da7Schristos * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19*0e552da7Schristos * IN THE SOFTWARE.
20*0e552da7Schristos */
21*0e552da7Schristos
22*0e552da7Schristos #include "uv.h"
23*0e552da7Schristos #include "task.h"
24*0e552da7Schristos #include <string.h>
25*0e552da7Schristos
TEST_IMPL(gethostname)26*0e552da7Schristos TEST_IMPL(gethostname) {
27*0e552da7Schristos char buf[UV_MAXHOSTNAMESIZE];
28*0e552da7Schristos size_t size;
29*0e552da7Schristos size_t enobufs_size;
30*0e552da7Schristos int r;
31*0e552da7Schristos
32*0e552da7Schristos /* Reject invalid inputs */
33*0e552da7Schristos size = 1;
34*0e552da7Schristos r = uv_os_gethostname(NULL, &size);
35*0e552da7Schristos ASSERT(r == UV_EINVAL);
36*0e552da7Schristos r = uv_os_gethostname(buf, NULL);
37*0e552da7Schristos ASSERT(r == UV_EINVAL);
38*0e552da7Schristos size = 0;
39*0e552da7Schristos r = uv_os_gethostname(buf, &size);
40*0e552da7Schristos ASSERT(r == UV_EINVAL);
41*0e552da7Schristos
42*0e552da7Schristos /* Return UV_ENOBUFS if the buffer cannot hold the hostname */
43*0e552da7Schristos enobufs_size = 1;
44*0e552da7Schristos buf[0] = '\0';
45*0e552da7Schristos r = uv_os_gethostname(buf, &enobufs_size);
46*0e552da7Schristos ASSERT(r == UV_ENOBUFS);
47*0e552da7Schristos ASSERT(buf[0] == '\0');
48*0e552da7Schristos ASSERT(enobufs_size > 1);
49*0e552da7Schristos
50*0e552da7Schristos /* Successfully get the hostname */
51*0e552da7Schristos size = UV_MAXHOSTNAMESIZE;
52*0e552da7Schristos r = uv_os_gethostname(buf, &size);
53*0e552da7Schristos ASSERT(r == 0);
54*0e552da7Schristos ASSERT(size > 0 && size == strlen(buf));
55*0e552da7Schristos ASSERT(size + 1 == enobufs_size);
56*0e552da7Schristos
57*0e552da7Schristos return 0;
58*0e552da7Schristos }
59