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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-uid.c - Unique ID generator.
*
* Copyright (C) 2002 Ximian, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Dan Winship <danw@ximian.com>
*/
#include "e-uid.h"
#include <string.h>
#include <time.h>
#include <unistd.h>
/**
* e_uid_new:
*
* Generate a new unique string for use e.g. in account lists.
*
* Return value: the newly generated UID. The caller should free the string
* when it's done with it.
**/
char *
e_uid_new (void)
{
static char *hostname;
static int serial;
if (!hostname) {
static char buffer [512];
if ((gethostname (buffer, sizeof (buffer) - 1) == 0) &&
(buffer [0] != 0))
hostname = buffer;
else
hostname = "localhost";
}
return g_strdup_printf ("%lu.%lu.%d@%s",
(unsigned long) time (NULL),
(unsigned long) getpid (),
serial++,
hostname);
}
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