src/rx/rx_opaque.h

   1 /*
   2  * Copyright (c) 2010 Your File System Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #ifndef OPENAFS_RX_OPAQUE_H
  26 #define OPENAFS_RX_OPAQUE_H
  27
  28 struct rx_opaque {
  29     size_t len;
  30     void *val;
  31 };
  32
  33 #define RX_EMPTY_OPAQUE {0, NULL}
  34
  35 struct rx_opaque *rx_opaque_new(void *data, size_t datalen);
  36 int rx_opaque_alloc(struct rx_opaque *buf, size_t length);
  37 int rx_opaque_populate(struct rx_opaque *to, const void *data, size_t datalen);
  38 int rx_opaque_copy(struct rx_opaque *to, const struct rx_opaque *from);
  39 void rx_opaque_freeContents(struct rx_opaque *buf);
  40 void rx_opaque_zeroFreeContents(struct rx_opaque *buf);
  41 void rx_opaque_free(struct rx_opaque **buf);
  42 void rx_opaque_zeroFree(struct rx_opaque **buf);
  43
  44 #endif