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  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 /*
  24         File:           smf.c
  25
  26         Contains:       platform-dependent malloc/free
  27
  28 */
  29
  30 #include <dev/random/YarrowCoreLib/src/smf.h>
  31 #include <sys/malloc.h>
  32 #include <sys/systm.h>
  33
  34
  35 SMFAPI void mmInit( void )
  36 {
  37         return;
  38 }
  39
  40 SMFAPI MMPTR mmMalloc(DWORD request)
  41 {
  42     // since kfree requires that we pass in the alloc size, add enough bytes to store a dword
  43     void* mem;
  44
  45     mem = _MALLOC (request, M_DEVBUF, M_WAITOK);
  46
  47     if (mem == 0) // oops, it didn't appear to work
  48     {
  49         printf ("Couldn't allocate kernel memory!\n");
  50         return 0;
  51     }
  52
  53     return (MMPTR) mem;
  54 }
  55
  56 SMFAPI void mmFree(MMPTR ptrnum)
  57 {
  58     // get the size of the pointer back
  59     _FREE (ptrnum, M_DEVBUF);
  60 }
  61
  62 SMFAPI LPVOID mmGetPtr(MMPTR ptrnum)
  63 {
  64         return (LPVOID)ptrnum;
  65 }
  66
  67 SMFAPI void mmReturnPtr(__unused MMPTR ptrnum)
  68 {
  69         /* nothing */
  70         return;
  71 }
  72