bsd/dev/random/YarrowCoreLib/port/smf.c

   1 /*
   2  * Copyright (c) 1999, 2000-2001 Apple Computer, 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         File:           smf.c
  26
  27         Contains:       platform-dependent malloc/free
  28
  29 */
  30
  31 #include <dev/random/YarrowCoreLib/src/smf.h>
  32 #include <sys/malloc.h>
  33 #include <sys/systm.h>
  34
  35
  36 SMFAPI void mmInit( void )
  37 {
  38         return;
  39 }
  40
  41 SMFAPI MMPTR mmMalloc(DWORD request)
  42 {
  43     // since kfree requires that we pass in the alloc size, add enough bytes to store a dword
  44     void* mem;
  45
  46     mem = _MALLOC (request, M_DEVBUF, M_WAITOK);
  47
  48     if (mem == 0) // oops, it didn't appear to work
  49     {
  50         printf ("Couldn't allocate kernel memory!\n");
  51         return 0;
  52     }
  53
  54     return (MMPTR) mem;
  55 }
  56
  57 SMFAPI void mmFree(MMPTR ptrnum)
  58 {
  59     // get the size of the pointer back
  60     _FREE (ptrnum, M_DEVBUF);
  61 }
  62
  63 SMFAPI LPVOID mmGetPtr(MMPTR ptrnum)
  64 {
  65         return (LPVOID)ptrnum;
  66 }
  67
  68 SMFAPI void mmReturnPtr(__unused MMPTR ptrnum)
  69 {
  70         /* nothing */
  71         return;
  72 }
  73