libsecurity_ssl/lib/sslMemory.h

   1 /*
   2  * Copyright (c) 1999-2001,2005-2007,2010-2012 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 /*
  25  * sslMemory.h - SSLBuffer and Memory allocator declarations
  26  */
  27
  28 /* This header should be kernel safe */
  29
  30 #ifndef _SSLMEMORY_H_
  31 #define _SSLMEMORY_H_ 1
  32
  33 #include "sslTypes.h"
  34
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 /*
  40  * General purpose allocators
  41  */
  42 void *sslMalloc(size_t length);
  43 void sslFree(void *p);
  44 void *sslRealloc(void *oldPtr, size_t oldLen, size_t newLen);
  45
  46 /*
  47  * SSLBuffer-oriented allocators
  48  */
  49 int SSLAllocBuffer(SSLBuffer *buf, size_t length);
  50 int SSLFreeBuffer(SSLBuffer *buf);
  51 int SSLReallocBuffer(SSLBuffer *buf, size_t newSize);
  52
  53 /*
  54  * Convenience routines
  55  */
  56 uint8_t *sslAllocCopy(const uint8_t *src, size_t len);
  57 int SSLAllocCopyBuffer(
  58         const SSLBuffer *src,
  59         SSLBuffer **dst);               // buffer itself and data mallocd and returned
  60 int SSLCopyBufferFromData(
  61         const void *src,
  62         size_t len,
  63         SSLBuffer *dst);                // data mallocd and returned
  64 int SSLCopyBuffer(
  65         const SSLBuffer *src,
  66         SSLBuffer *dst);                // data mallocd and returned
  67
  68 #ifdef __cplusplus
  69 }
  70 #endif
  71
  72 #define SET_SSL_BUFFER(buf, d, l)   do { (buf).data = (d); (buf).length = (l); } while (0)
  73
  74 #endif