diff options
Diffstat (limited to 'e-util/e-uid.c')
-rw-r--r-- | e-util/e-uid.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/e-util/e-uid.c b/e-util/e-uid.c new file mode 100644 index 0000000000..90c036e0c1 --- /dev/null +++ b/e-util/e-uid.c @@ -0,0 +1,61 @@ +/* -*- 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 <glib/gstrfuncs.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); +} |