glibc/sysdeps/nacl/gethostname.c

46 lines
1.4 KiB
C

/* Get current host's name. NaCl version.
Copyright (C) 2015 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
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <string.h>
#include <unistd.h>
/* 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 (char *name, size_t len)
{
static const char hostname[] = "naclhost";
int result = 0;
size_t copy = sizeof hostname;
if (len < copy)
{
errno = ENAMETOOLONG;
result = -1;
copy = len;
}
memcpy (name, hostname, copy);
return result;
}
weak_alias (__gethostname, gethostname)