From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/mach/hurd/gethostname.c | 48 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 sysdeps/mach/hurd/gethostname.c (limited to 'sysdeps/mach/hurd/gethostname.c') diff --git a/sysdeps/mach/hurd/gethostname.c b/sysdeps/mach/hurd/gethostname.c new file mode 100644 index 0000000000..94a0537d91 --- /dev/null +++ b/sysdeps/mach/hurd/gethostname.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include +#include +#include +#include + +/* Put the name of the current host in no more than LEN bytes of NAME. + The result is null-terminated if LEN is large enough for the full + name and the terminator. */ +int +DEFUN(__gethostname, (name, len), + char *name AND size_t len) +{ + error_t err; + char *buf = name; + mach_msg_type_number_t buflen = len; + if (err = __USEPORT (PROC, __proc_gethostname (port, &buf, &buflen))) + return __hurd_fail (err); + if (buf != name) + { + memcpy (name, buf, len < buflen ? len : buflen); + __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); + } + if (buflen > len) + return __hurd_fail (ENAMETOOLONG); + return 0; +} + +weak_alias (__gethostname, gethostname) -- cgit v1.2.3