1 /******************************************************************************
2 *
3 * Copyright (C) 2009, The Gentee Group. All rights reserved.
4 * This file is part of the Gentee open source project - http://www.gentee.com.
5 *
6 * THIS FILE IS PROVIDED UNDER THE TERMS OF THE GENTEE LICENSE ("AGREEMENT").
7 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS FILE CONSTITUTES RECIPIENTS
8 * ACCEPTANCE OF THE AGREEMENT.
9 *
10 * Author: Alexey Krivonogov ( gentee )
11 *
12 ******************************************************************************/
13
14 #include "gea.h"
15
16 //--------------------------------------------------------------------------
17
18 pvoid STDCALL mem_alloc( dword size )
19 {
20 return VirtualAlloc( NULL, size,
21 MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE );
22 }
23
24 //--------------------------------------------------------------------------
25
26 void mem_free( pvoid ptr )
27 {
28 VirtualFree( ptr, 0, MEM_RELEASE );
29 }
30
31 //--------------------------------------------------------------------------
32
33 pvoid STDCALL mem_zero( pvoid dest, long len )
34 {
35 pdword ddest = ( pdword )dest;
36 long dwlen = len >> 2;
37
38 while ( dwlen-- )
39 *ddest++ = 0;
40
41 len &= 0x3;
42 while ( len-- )
43 *((pbyte)ddest)++ = 0;
44
45 return dest;
46 }
47
48 //--------------------------------------------------------------------------
49
50 pvoid STDCALL mem_allocz( dword size )
51 {
52 pvoid ptr = mem_alloc( size );
53 return mem_zero( ptr, size );
54 }
55
56 //--------------------------------------------------------------------------
57
58 pvoid STDCALL mem_copy( pvoid dest, pvoid src, long len )
59 {
60 pdword dsrc = ( pdword )src;
61 pdword ddest = ( pdword )dest;
62 long dwlen = len >> 2;
63
64 while ( dwlen-- )
65 *ddest++ = *dsrc++;
66
67 len &= 0x3;
68 while ( len-- )
69 *((pbyte)ddest)++ = *((pbyte)dsrc)++;
70
71 return dest;
72 }
73
74 //--------------------------------------------------------------------------
75