dbus-uuidgen.c

00001 /* -*- mode: C; c-file-style: "gnu" -*- */
00002 /* dbus-uuidgen.c  The guts of the dbus-uuidgen binary live in libdbus, in this file.
00003  *
00004  * Copyright (C) 2006  Red Hat, Inc.
00005  *
00006  * Licensed under the Academic Free License version 2.1
00007  * 
00008  * This program is free software; you can redistribute it and/or modify
00009  * it under the terms of the GNU General Public License as published by
00010  * the Free Software Foundation; either version 2 of the License, or
00011  * (at your option) any later version.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  * 
00018  * You should have received a copy of the GNU General Public License
00019  * along with this program; if not, write to the Free Software
00020  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00021  *
00022  */
00023 #include "dbus-uuidgen.h"
00024 #include "dbus-internals.h"
00025 #include "dbus-string.h"
00026 #include "dbus-protocol.h"
00027 
00028 #ifdef DBUS_WIN
00029 #error "dbus-uuidgen should not be needed on Windows"
00030 #endif
00031 
00043 static dbus_bool_t
00044 return_uuid (DBusGUID   *uuid,
00045              char      **uuid_p,
00046              DBusError  *error)
00047 {
00048   if (uuid_p)
00049     {
00050       DBusString encoded;
00051       if (!_dbus_string_init (&encoded))
00052         {
00053           _DBUS_SET_OOM (error);
00054           return FALSE;
00055         }
00056       if (!_dbus_uuid_encode (uuid, &encoded) ||
00057           !_dbus_string_steal_data (&encoded, uuid_p))
00058         {
00059           _DBUS_SET_OOM (error);
00060           _dbus_string_free (&encoded);
00061           return FALSE;
00062         }
00063       _dbus_string_free (&encoded);
00064     }
00065   return TRUE;
00066 }
00067 
00079 dbus_bool_t
00080 dbus_internal_do_not_use_get_uuid (const char *filename,
00081                                    char      **uuid_p,
00082                                    dbus_bool_t create_if_not_found,
00083                                    DBusError  *error)
00084 {
00085   DBusGUID uuid;
00086   
00087   if (filename)
00088     {
00089       DBusString filename_str;
00090       _dbus_string_init_const (&filename_str, filename);
00091       if (!_dbus_read_uuid_file (&filename_str, &uuid, create_if_not_found, error))
00092         goto error;
00093     }
00094   else
00095     {
00096       if (!_dbus_read_local_machine_uuid (&uuid, create_if_not_found, error))
00097         goto error;
00098     }
00099 
00100   if (!return_uuid(&uuid, uuid_p, error))
00101     goto error;
00102 
00103   return TRUE;
00104   
00105  error:
00106   _DBUS_ASSERT_ERROR_IS_SET (error);
00107   return FALSE;
00108 }
00109 
00118 dbus_bool_t
00119 dbus_internal_do_not_use_create_uuid (char      **uuid_p)
00120 {
00121   DBusGUID uuid;
00122 
00123   _dbus_generate_uuid (&uuid);
00124   return return_uuid (&uuid, uuid_p, NULL);
00125 }
00126 

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