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7327b333 | 1 | /* uname -- Report basic information about the system. Generic version. |
688903eb | 2 | Copyright (C) 1991-2018 Free Software Foundation, Inc. |
478b92f0 | 3 | This file is part of the GNU C Library. |
28f540f4 | 4 | |
478b92f0 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 9 | |
478b92f0 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
28f540f4 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 18 | |
28f540f4 RM |
19 | #include <errno.h> |
20 | #include <string.h> | |
21 | #include <sys/utsname.h> | |
22 | #include <unistd.h> | |
23 | ||
7327b333 RM |
24 | /* This file defines UNAME_* to string constants. */ |
25 | #include <uname-values.h> | |
28f540f4 RM |
26 | |
27 | /* Put information about the system in NAME. */ | |
28 | int | |
9d46370c | 29 | __uname (struct utsname *name) |
28f540f4 RM |
30 | { |
31 | int save; | |
32 | ||
33 | if (name == NULL) | |
34 | { | |
c4029823 | 35 | __set_errno (EINVAL); |
28f540f4 RM |
36 | return -1; |
37 | } | |
38 | ||
39 | save = errno; | |
40 | if (__gethostname (name->nodename, sizeof (name->nodename)) < 0) | |
41 | { | |
42 | if (errno == ENOSYS) | |
43 | { | |
44 | /* Hostname is meaningless for this machine. */ | |
45 | name->nodename[0] = '\0'; | |
ba1ffaa1 | 46 | __set_errno (save); |
28f540f4 RM |
47 | } |
48 | #ifdef ENAMETOOLONG | |
49 | else if (errno == ENAMETOOLONG) | |
50 | /* The name was truncated. */ | |
c4029823 | 51 | __set_errno (save); |
28f540f4 RM |
52 | #endif |
53 | else | |
54 | return -1; | |
55 | } | |
56 | strncpy (name->sysname, UNAME_SYSNAME, sizeof (name->sysname)); | |
57 | strncpy (name->release, UNAME_RELEASE, sizeof (name->release)); | |
58 | strncpy (name->version, UNAME_VERSION, sizeof (name->version)); | |
59 | strncpy (name->machine, UNAME_MACHINE, sizeof (name->machine)); | |
60 | ||
61 | return 0; | |
62 | } | |
fc5f4a97 | 63 | weak_alias (__uname, uname) |
4f6da0f5 RM |
64 | libc_hidden_def (__uname) |
65 | libc_hidden_def (uname) |