62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/* e-uid.c - Unique ID generator.
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*
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* Copyright (C) 2002 Ximian, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Dan Winship <danw@ximian.com>
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*/
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#include "e-uid.h"
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#include <glib/gstrfuncs.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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/**
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* e_uid_new:
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*
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* Generate a new unique string for use e.g. in account lists.
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*
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* Return value: the newly generated UID. The caller should free the string
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* when it's done with it.
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**/
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char *
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e_uid_new (void)
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{
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static char *hostname;
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static int serial;
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if (!hostname) {
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static char buffer [512];
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if ((gethostname (buffer, sizeof (buffer) - 1) == 0) &&
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(buffer [0] != 0))
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hostname = buffer;
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else
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hostname = "localhost";
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}
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return g_strdup_printf ("%lu.%lu.%d@%s",
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(unsigned long) time (NULL),
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(unsigned long) getpid (),
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serial++,
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hostname);
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}
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