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glibc  2.9
uname.c
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00001 /* Copyright (C) 1992,93,94,96,97,2000,02 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <unistd.h>
00020 #include <sys/utsname.h>
00021 #include <hurd.h>
00022 #include <hurd/startup.h>
00023 
00024 int
00025 __uname (struct utsname *uname)
00026 {
00027   error_t err;
00028 
00029   if (err = __USEPORT (PROC, __proc_uname (port, uname)))
00030     return __hurd_fail (err);
00031 
00032   /* Fill in the hostname, which the proc server doesn't know.  */
00033   err = errno;
00034   if (__gethostname (uname->nodename, sizeof uname->nodename) < 0)
00035     {
00036       if (errno == ENAMETOOLONG)
00037        /* Ignore the error of the buffer being too small.
00038           It is of fixed size, nothing to do about it.  */
00039        errno = err;
00040       else
00041        return -1;
00042     }
00043 
00044   return 0;
00045 }
00046 weak_alias (__uname, uname)
00047 libc_hidden_def (__uname)
00048 libc_hidden_def (uname)