1 /*-
2  * Copyright (c) 2009 The NetBSD Foundation, Inc.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to The NetBSD Foundation
6  * by Alistair Crooks (agc@NetBSD.org)
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  */
29 /*
30  * Copyright (c) 2005-2008 Nominet UK (www.nic.uk)
31  * All rights reserved.
32  * Contributors: Ben Laurie, Rachel Willmer. The Contributors have asserted
33  * their moral rights under the UK Copyright Design and Patents Act 1988 to
34  * be recorded as the authors of this copyright work.
35  *
36  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
37  * use this file except in compliance with the License.
38  *
39  * You may obtain a copy of the License at
40  *     http://www.apache.org/licenses/LICENSE-2.0
41  *
42  * Unless required by applicable law or agreed to in writing, software
43  * distributed under the License is distributed on an "AS IS" BASIS,
44  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
45  *
46  * See the License for the specific language governing permissions and
47  * limitations under the License.
48  */
49 
50 /** \file
51  */
52 #ifndef MEMORY_H_
53 #define MEMORY_H_
54 
55 #include <sys/types.h>
56 
57 #include "packet.h"
58 
59 /** pgp_memory_t
60  */
61 typedef struct pgp_memory_t {
62 	uint8_t		*buf;
63 	size_t          length;
64 	size_t          allocated;
65 	unsigned	mmapped;
66 } pgp_memory_t;
67 
68 
69 pgp_memory_t   *pgp_memory_new(void);
70 void pgp_memory_free(pgp_memory_t *);
71 void pgp_memory_init(pgp_memory_t *, size_t);
72 void pgp_memory_pad(pgp_memory_t *, size_t);
73 void pgp_memory_add(pgp_memory_t *, const uint8_t *, size_t);
74 void pgp_memory_place_int(pgp_memory_t *, unsigned, unsigned, size_t);
75 void pgp_memory_make_packet(pgp_memory_t *, pgp_content_enum);
76 void pgp_memory_clear(pgp_memory_t *);
77 void pgp_memory_release(pgp_memory_t *);
78 
79 void pgp_writer_set_memory(pgp_output_t *, pgp_memory_t *);
80 
81 size_t pgp_mem_len(const pgp_memory_t *);
82 void *pgp_mem_data(pgp_memory_t *);
83 int pgp_mem_readfile(pgp_memory_t *, const char *);
84 
85 void pgp_random(void *, size_t);
86 
87 #endif /* MEMORY_H_ */
88