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/* uname -- Report basic information about the system. Generic version.
Copyright (C) 1991-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <string.h>
#include <sys/utsname.h>
#include <unistd.h>
/* This file defines UNAME_* to string constants. */
#include <uname-values.h>
/* Put information about the system in NAME. */
int
__uname (struct utsname *name)
{
int save;
if (name == NULL)
{
__set_errno (EINVAL);
return -1;
}
save = errno;
if (__gethostname (name->nodename, sizeof (name->nodename)) < 0)
{
if (errno == ENOSYS)
{
/* Hostname is meaningless for this machine. */
name->nodename[0] = '\0';
__set_errno (save);
}
#ifdef ENAMETOOLONG
else if (errno == ENAMETOOLONG)
/* The name was truncated. */
__set_errno (save);
#endif
else
return -1;
}
strncpy (name->sysname, UNAME_SYSNAME, sizeof (name->sysname));
strncpy (name->release, UNAME_RELEASE, sizeof (name->release));
strncpy (name->version, UNAME_VERSION, sizeof (name->version));
strncpy (name->machine, UNAME_MACHINE, sizeof (name->machine));
return 0;
}
weak_alias (__uname, uname)
libc_hidden_def (__uname)
libc_hidden_def (uname)
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