sysdeps/mach/hurd/uname.c

   1 /* Copyright (C) 1992-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <unistd.h>
  19 #include <sys/utsname.h>
  20 #include <hurd.h>
  21 #include <hurd/startup.h>
  22
  23 int
  24 __uname (struct utsname *uname)
  25 {
  26   error_t err;
  27
  28   if (err = __USEPORT (PROC, __proc_uname (port, uname)))
  29     return __hurd_fail (err);
  30
  31   /* Fill in the hostname, which the proc server doesn't know.  */
  32   err = errno;
  33   if (__gethostname (uname->nodename, sizeof uname->nodename) < 0)
  34     {
  35       if (errno == ENAMETOOLONG)
  36         /* Ignore the error of the buffer being too small.
  37            It is of fixed size, nothing to do about it.  */
  38         errno = err;
  39       else
  40         return -1;
  41     }
  42
  43   return 0;
  44 }
  45 weak_alias (__uname, uname)
  46 libc_hidden_def (__uname)
  47 libc_hidden_def (uname)