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

   1 /*
   2  * Copyright (c) 1999, 2000-2001 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30
  31 /*
  32         File:           smf.c
  33
  34         Contains:       platform-dependent malloc/free
  35
  36 */
  37
  38 #include <dev/random/YarrowCoreLib/src/smf.h>
  39 #include <sys/malloc.h>
  40 #include <sys/systm.h>
  41
  42
  43 SMFAPI void mmInit( void )
  44 {
  45         return;
  46 }
  47
  48 SMFAPI MMPTR mmMalloc(DWORD request)
  49 {
  50     // since kfree requires that we pass in the alloc size, add enough bytes to store a dword
  51     void* mem;
  52
  53     mem = _MALLOC (request, M_DEVBUF, M_WAITOK);
  54
  55     if (mem == 0) // oops, it didn't appear to work
  56     {
  57         printf ("Couldn't allocate kernel memory!\n");
  58         return 0;
  59     }
  60
  61     return (MMPTR) mem;
  62 }
  63
  64 SMFAPI void mmFree(MMPTR ptrnum)
  65 {
  66     // get the size of the pointer back
  67     _FREE (ptrnum, M_DEVBUF);
  68 }
  69
  70 SMFAPI LPVOID mmGetPtr(MMPTR ptrnum)
  71 {
  72         return (LPVOID)ptrnum;
  73 }
  74
  75 SMFAPI void mmReturnPtr(__unused MMPTR ptrnum)
  76 {
  77         /* nothing */
  78         return;
  79 }
  80