crypto/external/bsd/netpgp/dist/src/lib/memory.h

   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 /** __ops_memory_t
  60  */
  61 typedef struct __ops_memory_t {
  62         unsigned char  *buf;
  63         size_t          length;
  64         size_t          allocated;
  65         unsigned        mmapped;
  66 } __ops_memory_t;
  67
  68
  69 __ops_memory_t   *__ops_memory_new(void);
  70 void __ops_memory_free(__ops_memory_t *);
  71 void __ops_memory_init(__ops_memory_t *, size_t);
  72 void __ops_memory_pad(__ops_memory_t *, size_t);
  73 void __ops_memory_add(__ops_memory_t *, const unsigned char *, size_t);
  74 void __ops_memory_place_int(__ops_memory_t *, unsigned, unsigned, size_t);
  75 void __ops_memory_make_packet(__ops_memory_t *, __ops_content_tag_t);
  76 void __ops_memory_clear(__ops_memory_t *);
  77 void __ops_memory_release(__ops_memory_t *);
  78
  79 void __ops_writer_set_memory(__ops_output_t *, __ops_memory_t *);
  80
  81 size_t __ops_mem_len(const __ops_memory_t *);
  82 void *__ops_mem_data(__ops_memory_t *);
  83 int __ops_mem_readfile(__ops_memory_t *, const char *);
  84
  85 void __ops_random(void *, size_t);
  86
  87 #endif /* MEMORY_H_ */