From 4ad451e281e726449745a110686cb537cd604402 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Mon, 23 Apr 2012 18:53:47 +0000 Subject: Move sysdeps/unix/sysv/gethostname.c to sysdeps/posix/. --- sysdeps/posix/gethostname.c | 48 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 sysdeps/posix/gethostname.c (limited to 'sysdeps/posix/gethostname.c') diff --git a/sysdeps/posix/gethostname.c b/sysdeps/posix/gethostname.c new file mode 100644 index 0000000000..a63845b02b --- /dev/null +++ b/sysdeps/posix/gethostname.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1992, 1995, 1997, 2000, 2001 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 + . */ + +#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 +__gethostname (name, len) + char *name; + size_t len; +{ + struct utsname buf; + size_t node_len; + + if (uname (&buf)) + return -1; + + node_len = strlen (buf.nodename) + 1; + memcpy (name, buf.nodename, len < node_len ? len : node_len); + + if (node_len > len) + { + __set_errno (ENAMETOOLONG); + return -1; + } + return 0; +} + +weak_alias (__gethostname, gethostname) -- cgit 1.4.1