SecuritySNACCRuntime/c-lib/inc/nibble-alloc.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /*
  20  * nibble_alloc.h - handles buffer allocation
  21  * MS 91
  22  *
  23  * Copyright (C) 1992 Michael Sample and the University of British Columbia
  24  *
  25  * This library is free software; you can redistribute it and/or
  26  * modify it provided that this copyright/license information is retained
  27  * in original form.
  28  *
  29  * If you modify this file, you must clearly indicate your changes.
  30  *
  31  * This source code is distributed in the hope that it will be
  32  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  33  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  34  *
  35  * $Header: /cvs/Darwin/Security/SecuritySNACCRuntime/c-lib/inc/nibble-alloc.h,v 1.1.1.1 2001/05/18 23:14:08 mb Exp $
  36  * $Log: nibble-alloc.h,v $
  37  * Revision 1.1.1.1  2001/05/18 23:14:08  mb
  38  * Move from private repository to open source repository
  39  *
  40  * Revision 1.2  2001/05/05 00:59:23  rmurphy
  41  * Adding darwin license headers
  42  *
  43  * Revision 1.1.1.1  1999/03/16 18:06:21  aram
  44  * Originals from SMIME Free Library.
  45  *
  46  * Revision 1.2  1995/07/24 21:01:22  rj
  47  * changed `_' to `-' in file names.
  48  *
  49  * Revision 1.1  1994/08/28  09:21:43  rj
  50  * first check-in. for a list of changes to the snacc-1.1 distribution please refer to the ChangeLog.
  51  *
  52  */
  53
  54 #ifndef _nibble_alloc_h_
  55 #define _nibble_alloc_h_
  56
  57 typedef struct NibbleBuf
  58 {
  59     char *start;
  60     char *end;
  61     char *curr;
  62     struct NibbleBuf *next;
  63 } NibbleBuf;
  64
  65
  66 typedef struct NibbleMem
  67 {
  68     NibbleBuf *firstNibbleBuf;
  69     NibbleBuf *currNibbleBuf;
  70     unsigned long int incrementSize;
  71 } NibbleMem;
  72
  73
  74
  75 void InitNibbleMem PROTO ((unsigned long int initialSize, unsigned long int incrementSize));
  76
  77 void ShutdownNibbleMem();
  78
  79 void ServiceNibbleFault PROTO ((unsigned long int size));
  80
  81 void *NibbleAlloc PROTO ((unsigned long int size));
  82
  83 void ResetNibbleMem();
  84
  85
  86 #endif /* conditional include */