certificates/ota_cert_tool/ios_ota_cert_tool/CommonBufferingPriv.h

   1 /*
   2  * Copyright (c) 2010,2013 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef CC_CommonBufferingPriv_h
  25 #define CC_CommonBufferingPriv_h
  26
  27 #include "CommonNumerics.h"
  28 #include <stdbool.h>
  29
  30 typedef struct CNBuffer_t {
  31     size_t chunksize;
  32     size_t bufferPos;
  33     uint8_t *buf;
  34 } CNBuffer, *CNBufferRef;
  35
  36 CNBufferRef
  37 CNBufferCreate(size_t chunksize);
  38
  39 CNStatus
  40 CNBufferRelease(CNBufferRef *bufRef);
  41
  42 typedef int (*cnProcessFunction)(void *ctx, const void *in, size_t inLen, void *out, size_t *outLen);
  43 typedef size_t (*cnSizeFunction)(void *ctx, size_t inLen);
  44
  45 CNStatus
  46 CNBufferProcessData(CNBufferRef bufRef,
  47                     void *ctx, const void *in, const size_t inLen, void *out, size_t *outLen,
  48                     cnProcessFunction pFunc, cnSizeFunction sizeFunc);
  49
  50 CNStatus
  51 CNBufferFlushData(CNBufferRef bufRef,
  52                   void *ctx, void *out, size_t *outLen,
  53                   cnProcessFunction pFunc, cnSizeFunction sizeFunc);
  54
  55
  56 bool
  57 CNBufferEmpty(CNBufferRef bufRef);
  58
  59
  60
  61
  62
  63 #endif /* CC_CommonBufferingPriv_h */