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66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* uname -- Report basic information about the system. Generic version.
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Copyright (C) 1991-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <string.h>
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#include <sys/utsname.h>
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#include <unistd.h>
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/* This file defines UNAME_* to string constants. */
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#include <uname-values.h>
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/* Put information about the system in NAME. */
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int
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__uname (struct utsname *name)
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{
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int save;
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if (name == NULL)
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{
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__set_errno (EINVAL);
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return -1;
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}
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save = errno;
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if (__gethostname (name->nodename, sizeof (name->nodename)) < 0)
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{
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if (errno == ENOSYS)
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{
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/* Hostname is meaningless for this machine. */
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name->nodename[0] = '\0';
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__set_errno (save);
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}
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#ifdef ENAMETOOLONG
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else if (errno == ENAMETOOLONG)
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/* The name was truncated. */
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__set_errno (save);
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#endif
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else
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return -1;
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}
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strncpy (name->sysname, UNAME_SYSNAME, sizeof (name->sysname));
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strncpy (name->release, UNAME_RELEASE, sizeof (name->release));
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strncpy (name->version, UNAME_VERSION, sizeof (name->version));
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strncpy (name->machine, UNAME_MACHINE, sizeof (name->machine));
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return 0;
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}
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weak_alias (__uname, uname)
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libc_hidden_def (__uname)
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libc_hidden_def (uname)
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