sysdeps/mach/hurd/uname.c

   1 /* Copyright (C) 1992, 1993, 1994, 1996 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <unistd.h>
  20 #include <sys/utsname.h>
  21 #include <hurd.h>
  22 #include <hurd/startup.h>
  23
  24 int
  25 uname (struct utsname *uname)
  26 {
  27   error_t err;
  28
  29   if (err = __USEPORT (PROC, __proc_uname (port, uname)))
  30     return __hurd_fail (err);
  31
  32   /* Fill in the hostname, which the proc server doesn't know.  */
  33   err = errno;
  34   if (__gethostname (uname->nodename, sizeof uname->nodename) < 0)
  35     {
  36       if (errno == ENAMETOOLONG)
  37         /* Ignore the error of the buffer being too small.
  38            It is of fixed size, nothing to do about it.  */
  39         errno = err;
  40       else
  41         return -1;
  42     }
  43
  44   return 0;
  45 }