| 1 | /* $Id: hmdevio.cpp,v 1.29 2002-12-20 10:38:56 sandervl Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Win32 Device IOCTL API functions for OS/2 | 
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| 5 | * | 
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| 6 | * Copyright 1998 Sander van Leeuwen | 
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| 7 | * | 
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| 8 | * | 
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| 9 | * Project Odin Software License can be found in LICENSE.TXT | 
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| 10 | * | 
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| 11 | */ | 
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| 12 | #define INCL_DOSPROFILE | 
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| 13 | #define INCL_DOSDEVICES | 
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| 14 | #define INCL_DOSDEVIOCTL | 
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| 15 | #define INCL_GPI | 
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| 16 | #define INCL_DOSFILEMGR          /* File Manager values      */ | 
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| 17 | #define INCL_DOSERRORS           /* DOS Error values         */ | 
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| 18 | #define INCL_DOSPROCESS          /* DOS Process values       */ | 
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| 19 | #define INCL_DOSMISC             /* DOS Miscellanous values  */ | 
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| 20 | #include <os2wrap.h>    //Odin32 OS/2 api wrappers | 
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| 21 | #include <string.h> | 
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| 22 | #include <stdio.h> | 
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| 23 |  | 
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| 24 | #include <win32type.h> | 
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| 25 | #include <win32api.h> | 
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| 26 | #include <misc.h> | 
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| 27 | #include <win\winioctl.h> | 
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| 28 | #include "hmdevio.h" | 
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| 29 | #include "exceptutil.h" | 
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| 30 | #include "oslibdos.h" | 
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| 31 |  | 
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| 32 | #define DBG_LOCALLOG    DBG_hmdevio | 
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| 33 | #include "dbglocal.h" | 
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| 34 |  | 
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| 35 | static WIN32DRV knownDriver[] = | 
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| 36 | { {0} | 
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| 37 | }; | 
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| 38 |  | 
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| 39 | static int nrKnownDrivers = 0; | 
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| 40 | // = sizeof(knownDriver)/sizeof(WIN32DRV); | 
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| 41 |  | 
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| 42 | //****************************************************************************** | 
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| 43 | //****************************************************************************** | 
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| 44 | void RegisterDevices() | 
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| 45 | { | 
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| 46 | HMDeviceDriver *driver; | 
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| 47 | DWORD rc; | 
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| 48 |  | 
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| 49 | for(int i=0;i<nrKnownDrivers;i++) | 
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| 50 | { | 
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| 51 | driver = new HMDeviceDriver(knownDriver[i].szWin32Name, | 
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| 52 | knownDriver[i].szOS2Name, | 
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| 53 | knownDriver[i].fCreateFile, | 
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| 54 | knownDriver[i].devIOCtl); | 
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| 55 |  | 
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| 56 | rc = HMDeviceRegister(knownDriver[i].szWin32Name, driver); | 
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| 57 | if (rc != NO_ERROR)                                  /* check for errors */ | 
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| 58 | dprintf(("KERNEL32:RegisterDevices: registering %s failed with %u.\n", | 
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| 59 | knownDriver[i].szWin32Name, rc)); | 
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| 60 | } | 
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| 61 |  | 
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| 62 | //check registry for Odin driver plugin dlls | 
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| 63 | HKEY hkDrivers, hkDrvDll; | 
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| 64 |  | 
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| 65 | rc = RegOpenKeyExA(HKEY_LOCAL_MACHINE, | 
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| 66 | "System\\CurrentControlSet\\Services", | 
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| 67 | 0, KEY_READ, &hkDrivers); | 
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| 68 |  | 
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| 69 | if(rc == 0) { | 
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| 70 | char szDllName[CCHMAXPATH]; | 
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| 71 | char szKeyName[CCHMAXPATH]; | 
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| 72 | char szDrvName[CCHMAXPATH]; | 
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| 73 | DWORD dwType, dwSize; | 
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| 74 | int iSubKey = 0; | 
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| 75 |  | 
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| 76 | while(rc == 0) { | 
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| 77 | rc = RegEnumKeyA(hkDrivers, iSubKey++, szKeyName, sizeof(szKeyName)); | 
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| 78 | if(rc) break; | 
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| 79 |  | 
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| 80 | rc = RegOpenKeyExA(hkDrivers, szKeyName, | 
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| 81 | 0, KEY_READ, &hkDrvDll); | 
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| 82 | if(rc == 0) { | 
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| 83 | dwSize = sizeof(szDllName); | 
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| 84 | rc = RegQueryValueExA(hkDrvDll, | 
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| 85 | "DllName", | 
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| 86 | NULL, | 
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| 87 | &dwType, | 
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| 88 | (LPBYTE)szDllName, | 
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| 89 | &dwSize); | 
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| 90 |  | 
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| 91 | RegCloseKey(hkDrvDll); | 
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| 92 | if(rc == 0 && dwType == REG_SZ) | 
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| 93 | { | 
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| 94 | HINSTANCE hDrvDll = LoadLibraryA(szDllName); | 
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| 95 | if(hDrvDll) | 
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| 96 | { | 
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| 97 | sprintf(szDrvName, "\\\\.\\%s", szKeyName); | 
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| 98 | driver = new HMCustomDriver(hDrvDll, szDrvName, NULL); | 
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| 99 |  | 
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| 100 | rc = HMDeviceRegister(szDrvName, driver); | 
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| 101 | if (rc != NO_ERROR)                                  /* check for errors */ | 
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| 102 | dprintf(("KERNEL32:RegisterDevices: registering %s failed with %u.\n", szDrvName, rc)); | 
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| 103 |  | 
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| 104 | // @@@PH | 
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| 105 | // there should be an symbolic link: | 
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| 106 | // "\\.\drvname$" -> "drvname$" | 
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| 107 | } | 
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| 108 | } | 
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| 109 | rc = 0; | 
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| 110 | } | 
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| 111 | } | 
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| 112 | RegCloseKey(hkDrivers); | 
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| 113 | } | 
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| 114 |  | 
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| 115 | return; | 
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| 116 | } | 
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| 117 | //****************************************************************************** | 
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| 118 | //****************************************************************************** | 
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| 119 | BOOL WIN32API RegisterCustomDriver(PFNDRVOPEN pfnDriverOpen, PFNDRVCLOSE pfnDriverClose, | 
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| 120 | PFNDRVIOCTL pfnDriverIOCtl, PFNDRVREAD pfnDriverRead, | 
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| 121 | PFNDRVWRITE pfnDriverWrite, PFNDRVCANCELIO pfnDriverCancelIo, | 
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| 122 | PFNDRVGETOVERLAPPEDRESULT pfnDriverGetOverlappedResult, | 
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| 123 | LPCSTR lpDeviceName, LPVOID lpDriverData) | 
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| 124 | { | 
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| 125 | HMCustomDriver *driver; | 
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| 126 | DWORD rc; | 
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| 127 |  | 
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| 128 | dprintf(("RegisterCustomDriver %s", lpDeviceName)); | 
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| 129 | driver = new HMCustomDriver(pfnDriverOpen, pfnDriverClose, pfnDriverIOCtl, pfnDriverRead, pfnDriverWrite, pfnDriverCancelIo, pfnDriverGetOverlappedResult, lpDeviceName, lpDriverData); | 
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| 130 | if(driver == NULL) { | 
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| 131 | DebugInt3(); | 
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| 132 | return FALSE; | 
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| 133 | } | 
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| 134 | rc = HMDeviceRegister((LPSTR)lpDeviceName, driver); | 
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| 135 | if (rc != NO_ERROR) {                                /* check for errors */ | 
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| 136 | dprintf(("KERNEL32:RegisterDevices: registering %s failed with %u.\n", lpDeviceName, rc)); | 
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| 137 | return FALSE; | 
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| 138 | } | 
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| 139 | return TRUE; | 
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| 140 | } | 
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| 141 | //****************************************************************************** | 
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| 142 | //****************************************************************************** | 
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| 143 | HMDeviceDriver::HMDeviceDriver(LPCSTR lpDeviceName, LPSTR lpOS2DevName, BOOL fCreate, | 
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| 144 | WINIOCTL pDevIOCtl) | 
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| 145 | : HMDeviceHandler(lpDeviceName) | 
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| 146 | { | 
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| 147 | this->fCreateFile = fCreateFile; | 
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| 148 | this->szOS2Name   = lpOS2DevName; | 
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| 149 | this->devIOCtl    = pDevIOCtl; | 
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| 150 | } | 
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| 151 | //****************************************************************************** | 
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| 152 | //****************************************************************************** | 
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| 153 | HMDeviceDriver::HMDeviceDriver(LPCSTR lpDeviceName) | 
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| 154 | : HMDeviceHandler(lpDeviceName) | 
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| 155 | { | 
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| 156 | } | 
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| 157 | //****************************************************************************** | 
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| 158 | //****************************************************************************** | 
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| 159 | DWORD HMDeviceDriver::CreateFile (LPCSTR lpFileName, | 
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| 160 | PHMHANDLEDATA pHMHandleData, | 
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| 161 | PVOID         lpSecurityAttributes, | 
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| 162 | PHMHANDLEDATA pHMHandleDataTemplate) | 
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| 163 | { | 
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| 164 | APIRET rc; | 
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| 165 | HFILE  hfFileHandle   = 0L;     /* Handle for file being manipulated */ | 
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| 166 | ULONG  ulAction       = 0;      /* Action taken by DosOpen */ | 
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| 167 | ULONG  sharetype = 0; | 
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| 168 |  | 
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| 169 | if(pHMHandleData->dwAccess & (GENERIC_READ | GENERIC_WRITE)) | 
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| 170 | sharetype |= OPEN_ACCESS_READWRITE; | 
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| 171 | else | 
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| 172 | if(pHMHandleData->dwAccess & GENERIC_WRITE) | 
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| 173 | sharetype |= OPEN_ACCESS_WRITEONLY; | 
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| 174 |  | 
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| 175 | if(pHMHandleData->dwShare == 0) | 
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| 176 | sharetype |= OPEN_SHARE_DENYREADWRITE; | 
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| 177 | else | 
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| 178 | if(pHMHandleData->dwShare & (FILE_SHARE_READ | FILE_SHARE_WRITE)) | 
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| 179 | sharetype |= OPEN_SHARE_DENYNONE; | 
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| 180 | else | 
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| 181 | if(pHMHandleData->dwShare & FILE_SHARE_WRITE) | 
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| 182 | sharetype |= OPEN_SHARE_DENYREAD; | 
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| 183 | else | 
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| 184 | if(pHMHandleData->dwShare & FILE_SHARE_READ) | 
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| 185 | sharetype |= OPEN_SHARE_DENYWRITE; | 
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| 186 |  | 
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| 187 | if(szOS2Name[0] == 0) { | 
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| 188 | pHMHandleData->hHMHandle = 0; | 
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| 189 | return (NO_ERROR); | 
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| 190 | } | 
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| 191 |  | 
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| 192 | tryopen: | 
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| 193 | rc = DosOpen( szOS2Name,                        /* File path name */ | 
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| 194 | &hfFileHandle,                  /* File handle */ | 
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| 195 | &ulAction,                      /* Action taken */ | 
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| 196 | 0, | 
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| 197 | FILE_NORMAL, | 
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| 198 | FILE_OPEN, | 
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| 199 | sharetype, | 
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| 200 | 0L);                            /* No extended attribute */ | 
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| 201 |  | 
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| 202 | if(rc == ERROR_TOO_MANY_OPEN_FILES) { | 
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| 203 | ULONG CurMaxFH; | 
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| 204 | LONG  ReqCount = 32; | 
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| 205 |  | 
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| 206 | rc = DosSetRelMaxFH(&ReqCount, &CurMaxFH); | 
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| 207 | if(rc) { | 
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| 208 | dprintf(("DosSetRelMaxFH returned %d", rc)); | 
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| 209 | return error2WinError(rc); | 
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| 210 | } | 
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| 211 | dprintf(("DosOpen failed -> increased nr open files to %d", CurMaxFH)); | 
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| 212 | goto tryopen; | 
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| 213 | } | 
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| 214 |  | 
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| 215 | dprintf(("DosOpen %s returned %d\n", szOS2Name, rc)); | 
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| 216 |  | 
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| 217 | if(rc == NO_ERROR) | 
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| 218 | { | 
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| 219 | pHMHandleData->hHMHandle = hfFileHandle; | 
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| 220 | return (NO_ERROR); | 
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| 221 | } | 
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| 222 | else | 
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| 223 | return(error2WinError(rc)); | 
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| 224 | } | 
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| 225 | //****************************************************************************** | 
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| 226 | //****************************************************************************** | 
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| 227 | BOOL HMDeviceDriver::CloseHandle(PHMHANDLEDATA pHMHandleData) | 
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| 228 | { | 
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| 229 | DWORD rc = 0; | 
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| 230 |  | 
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| 231 | if(pHMHandleData->hHMHandle) { | 
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| 232 | rc = DosClose(pHMHandleData->hHMHandle); | 
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| 233 | } | 
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| 234 | pHMHandleData->hHMHandle = 0; | 
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| 235 | return rc; | 
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| 236 | } | 
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| 237 | //****************************************************************************** | 
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| 238 | //****************************************************************************** | 
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| 239 | BOOL HMDeviceDriver::DeviceIoControl(PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode, | 
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| 240 | LPVOID lpInBuffer, DWORD nInBufferSize, | 
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| 241 | LPVOID lpOutBuffer, DWORD nOutBufferSize, | 
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| 242 | LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped) | 
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| 243 | { | 
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| 244 | return devIOCtl(pHMHandleData->hHMHandle, dwIoControlCode, lpInBuffer, nInBufferSize, | 
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| 245 | lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped); | 
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| 246 | } | 
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| 247 | //****************************************************************************** | 
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| 248 | //****************************************************************************** | 
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| 249 | HMCustomDriver::HMCustomDriver(HINSTANCE hInstance, LPCSTR lpDeviceName, LPVOID lpDriverData) | 
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| 250 | : HMDeviceDriver(lpDeviceName), hDrvDll(0), lpDriverData(NULL) | 
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| 251 | { | 
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| 252 | hDrvDll = hInstance ; | 
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| 253 | pfnDriverOpen  = (PFNDRVOPEN) GetProcAddress(hDrvDll, "DrvOpen"); | 
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| 254 | pfnDriverClose = (PFNDRVCLOSE)GetProcAddress(hDrvDll, "DrvClose"); | 
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| 255 | pfnDriverRead  = (PFNDRVREAD) GetProcAddress(hDrvDll, "DrvRead"); | 
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| 256 | pfnDriverWrite = (PFNDRVWRITE)GetProcAddress(hDrvDll, "DrvWrite"); | 
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| 257 | pfnDriverIOCtl = (PFNDRVIOCTL)GetProcAddress(hDrvDll, "DrvIOCtl"); | 
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| 258 | } | 
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| 259 | //****************************************************************************** | 
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| 260 | //****************************************************************************** | 
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| 261 | HMCustomDriver::HMCustomDriver(PFNDRVOPEN pfnDriverOpen, PFNDRVCLOSE pfnDriverClose, | 
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| 262 | PFNDRVIOCTL pfnDriverIOCtl, PFNDRVREAD pfnDriverRead, | 
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| 263 | PFNDRVWRITE pfnDriverWrite, PFNDRVCANCELIO pfnDriverCancelIo, | 
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| 264 | PFNDRVGETOVERLAPPEDRESULT pfnDriverGetOverlappedResult, | 
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| 265 | LPCSTR lpDeviceName, LPVOID lpDriverData) | 
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| 266 | : HMDeviceDriver(lpDeviceName), hDrvDll(0) | 
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| 267 | { | 
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| 268 | if(!pfnDriverOpen || !pfnDriverClose) { | 
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| 269 | DebugInt3(); | 
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| 270 | } | 
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| 271 | this->pfnDriverOpen     = pfnDriverOpen; | 
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| 272 | this->pfnDriverClose    = pfnDriverClose; | 
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| 273 | this->pfnDriverIOCtl    = pfnDriverIOCtl; | 
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| 274 | this->pfnDriverRead     = pfnDriverRead; | 
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| 275 | this->pfnDriverWrite    = pfnDriverWrite; | 
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| 276 | this->pfnDriverCancelIo = pfnDriverCancelIo; | 
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| 277 | this->pfnDriverGetOverlappedResult = pfnDriverGetOverlappedResult; | 
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| 278 | this->lpDriverData      = lpDriverData; | 
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| 279 | } | 
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| 280 | //****************************************************************************** | 
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| 281 | //****************************************************************************** | 
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| 282 | HMCustomDriver::~HMCustomDriver() | 
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| 283 | { | 
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| 284 | if(hDrvDll) FreeLibrary(hDrvDll); | 
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| 285 | } | 
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| 286 | //****************************************************************************** | 
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| 287 | //****************************************************************************** | 
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| 288 | DWORD HMCustomDriver::CreateFile (LPCSTR lpFileName, | 
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| 289 | PHMHANDLEDATA pHMHandleData, | 
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| 290 | PVOID         lpSecurityAttributes, | 
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| 291 | PHMHANDLEDATA pHMHandleDataTemplate) | 
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| 292 | { | 
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| 293 | pHMHandleData->hHMHandle = pfnDriverOpen(lpDriverData, pHMHandleData->dwAccess, pHMHandleData->dwShare, pHMHandleData->dwFlags, (PVOID *)&pHMHandleData->dwUserData); | 
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| 294 | if(pHMHandleData->hHMHandle == INVALID_HANDLE_VALUE_W) { | 
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| 295 | return GetLastError(); | 
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| 296 | } | 
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| 297 | return ERROR_SUCCESS_W; | 
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| 298 | } | 
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| 299 | //****************************************************************************** | 
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| 300 | //****************************************************************************** | 
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| 301 | BOOL HMCustomDriver::CloseHandle(PHMHANDLEDATA pHMHandleData) | 
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| 302 | { | 
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| 303 | if(pHMHandleData->hHMHandle) { | 
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| 304 | pfnDriverClose(lpDriverData, pHMHandleData->hHMHandle, pHMHandleData->dwFlags, (LPVOID)pHMHandleData->dwUserData); | 
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| 305 | } | 
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| 306 | pHMHandleData->hHMHandle = 0; | 
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| 307 | return TRUE; | 
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| 308 | } | 
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| 309 | //****************************************************************************** | 
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| 310 | //****************************************************************************** | 
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| 311 | BOOL HMCustomDriver::DeviceIoControl(PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode, | 
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| 312 | LPVOID lpInBuffer, DWORD nInBufferSize, | 
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| 313 | LPVOID lpOutBuffer, DWORD nOutBufferSize, | 
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| 314 | LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped) | 
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| 315 | { | 
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| 316 | BOOL ret; | 
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| 317 |  | 
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| 318 | if(pfnDriverIOCtl == NULL) { | 
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| 319 | dprintf(("HMCustomDriver::DeviceIoControl: pfnDriverIOCtl == NULL")); | 
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| 320 | ::SetLastError(ERROR_INVALID_FUNCTION_W); | 
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| 321 | return FALSE; | 
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| 322 | } | 
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| 323 |  | 
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| 324 | ret = pfnDriverIOCtl(lpDriverData, pHMHandleData->hHMHandle, pHMHandleData->dwFlags, dwIoControlCode, lpInBuffer, nInBufferSize, | 
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| 325 | lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped, (LPVOID)pHMHandleData->dwUserData); | 
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| 326 | dprintf(("DeviceIoControl %x returned %d", dwIoControlCode, ret)); | 
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| 327 | return ret; | 
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| 328 | } | 
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| 329 | /***************************************************************************** | 
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| 330 | * Name      : BOOL HMCustomDriver::ReadFile | 
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| 331 | * Purpose   : read data from handle / device | 
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| 332 | * Parameters: PHMHANDLEDATA pHMHandleData, | 
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| 333 | *             LPCVOID       lpBuffer, | 
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| 334 | *             DWORD         nNumberOfBytesToRead, | 
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| 335 | *             LPDWORD       lpNumberOfBytesRead, | 
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| 336 | *             LPOVERLAPPED  lpOverlapped | 
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| 337 | *             LPOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine | 
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| 338 | * Variables : | 
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| 339 | * Result    : Boolean | 
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| 340 | * Remark    : | 
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| 341 | * Status    : | 
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| 342 | * | 
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| 343 | * Author    : SvL | 
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| 344 | *****************************************************************************/ | 
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| 345 |  | 
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| 346 | BOOL HMCustomDriver::ReadFile(PHMHANDLEDATA pHMHandleData, | 
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| 347 | LPCVOID       lpBuffer, | 
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| 348 | DWORD         nNumberOfBytesToRead, | 
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| 349 | LPDWORD       lpNumberOfBytesRead, | 
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| 350 | LPOVERLAPPED  lpOverlapped, | 
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| 351 | LPOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine) | 
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| 352 | { | 
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| 353 | BOOL ret; | 
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| 354 |  | 
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| 355 | if(pfnDriverRead == NULL) { | 
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| 356 | dprintf(("HMCustomDriver::ReadFile: pfnDriverRead == NULL")); | 
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| 357 | ::SetLastError(ERROR_INVALID_FUNCTION_W); | 
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| 358 | return FALSE; | 
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| 359 | } | 
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| 360 | ret = pfnDriverRead(lpDriverData, pHMHandleData->hHMHandle, pHMHandleData->dwFlags, lpBuffer, nNumberOfBytesToRead, | 
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| 361 | lpNumberOfBytesRead, lpOverlapped, lpCompletionRoutine, | 
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| 362 | (LPVOID)pHMHandleData->dwUserData); | 
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| 363 | dprintf(("pfnDriverRead %x %x %x %x %x %x returned %x", pHMHandleData->hHMHandle, lpBuffer, nNumberOfBytesToRead, | 
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| 364 | lpNumberOfBytesRead, lpOverlapped, lpCompletionRoutine, ret)); | 
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| 365 | return ret; | 
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| 366 | } | 
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| 367 | /***************************************************************************** | 
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| 368 | * Name      : BOOL HMCustomDriver::WriteFile | 
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| 369 | * Purpose   : write data to handle / device | 
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| 370 | * Parameters: PHMHANDLEDATA pHMHandleData, | 
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| 371 | *             LPCVOID       lpBuffer, | 
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| 372 | *             DWORD         nNumberOfBytesToWrite, | 
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| 373 | *             LPDWORD       lpNumberOfBytesWritten, | 
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| 374 | *             LPOVERLAPPED  lpOverlapped | 
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| 375 | *             LPOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine | 
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| 376 | * Variables : | 
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| 377 | * Result    : Boolean | 
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| 378 | * Remark    : | 
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| 379 | * Status    : | 
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| 380 | * | 
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| 381 | * Author    : SvL | 
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| 382 | *****************************************************************************/ | 
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| 383 |  | 
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| 384 | BOOL HMCustomDriver::WriteFile(PHMHANDLEDATA pHMHandleData, | 
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| 385 | LPCVOID       lpBuffer, | 
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| 386 | DWORD         nNumberOfBytesToWrite, | 
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| 387 | LPDWORD       lpNumberOfBytesWritten, | 
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| 388 | LPOVERLAPPED  lpOverlapped, | 
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| 389 | LPOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine) | 
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| 390 | { | 
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| 391 | BOOL ret; | 
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| 392 |  | 
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| 393 | if(pfnDriverWrite == NULL) { | 
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| 394 | dprintf(("HMCustomDriver::WriteFile: pfnDriverWrite == NULL")); | 
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| 395 | ::SetLastError(ERROR_INVALID_FUNCTION_W); | 
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| 396 | return FALSE; | 
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| 397 | } | 
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| 398 | ret = pfnDriverWrite(lpDriverData, pHMHandleData->hHMHandle, pHMHandleData->dwFlags, lpBuffer, nNumberOfBytesToWrite, | 
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| 399 | lpNumberOfBytesWritten, lpOverlapped, lpCompletionRoutine, | 
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| 400 | (LPVOID)pHMHandleData->dwUserData); | 
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| 401 | dprintf(("pfnDriverWrite %x %x %x %x %x %x returned %x", pHMHandleData->hHMHandle, lpBuffer, nNumberOfBytesToWrite, | 
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| 402 | lpNumberOfBytesWritten, lpOverlapped, lpCompletionRoutine, ret)); | 
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| 403 | return ret; | 
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| 404 | } | 
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| 405 | /***************************************************************************** | 
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| 406 | * Name      : DWORD HMCustomDriver::CancelIo | 
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| 407 | * Purpose   : cancel pending IO operation | 
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| 408 | * Variables : | 
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| 409 | * Result    : | 
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| 410 | * Remark    : | 
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| 411 | * Status    : | 
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| 412 | * | 
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| 413 | * Author    : SvL | 
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| 414 | *****************************************************************************/ | 
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| 415 | BOOL HMCustomDriver::CancelIo(PHMHANDLEDATA pHMHandleData) | 
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| 416 | { | 
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| 417 | BOOL ret; | 
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| 418 |  | 
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| 419 | if(pfnDriverCancelIo == NULL) { | 
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| 420 | dprintf(("HMCustomDriver::CancelIo: pfnDriverCancelIo == NULL")); | 
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| 421 | ::SetLastError(ERROR_INVALID_FUNCTION_W); | 
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| 422 | return FALSE; | 
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| 423 | } | 
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| 424 | ret = pfnDriverCancelIo(lpDriverData, pHMHandleData->hHMHandle, pHMHandleData->dwFlags, (LPVOID)pHMHandleData->dwUserData); | 
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| 425 | dprintf(("pfnDriverCancelIo %x returned %x", pHMHandleData->hHMHandle, ret)); | 
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| 426 | return ret; | 
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| 427 | } | 
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| 428 | /***************************************************************************** | 
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| 429 | * Name      : DWORD HMCustomDriver::GetOverlappedResult | 
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| 430 | * Purpose   : asynchronus I/O | 
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| 431 | * Parameters: PHMHANDLEDATA pHMHandleData | 
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| 432 | *             LPOVERLAPPED  arg2 | 
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| 433 | *             LPDWORD       arg3 | 
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| 434 | *             BOOL          arg4 | 
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| 435 | * Variables : | 
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| 436 | * Result    : API returncode | 
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| 437 | * Remark    : | 
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| 438 | * Status    : | 
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| 439 | * | 
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| 440 | * Author    : SvL | 
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| 441 | *****************************************************************************/ | 
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| 442 | BOOL HMCustomDriver::GetOverlappedResult(PHMHANDLEDATA pHMHandleData, | 
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| 443 | LPOVERLAPPED  lpOverlapped, | 
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| 444 | LPDWORD       lpcbTransfer, | 
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| 445 | BOOL          fWait) | 
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| 446 | { | 
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| 447 | dprintf(("KERNEL32-HMCustomDriver: HMCustomDriver::GetOverlappedResult(%08xh,%08xh,%08xh,%08xh)", | 
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| 448 | pHMHandleData->hHMHandle, lpOverlapped, lpcbTransfer, fWait)); | 
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| 449 |  | 
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| 450 | if(!(pHMHandleData->dwFlags & FILE_FLAG_OVERLAPPED_W)) { | 
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| 451 | dprintf(("!WARNING!: GetOverlappedResult called for a handle that wasn't opened with FILE_FLAG_OVERLAPPED")); | 
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| 452 | return TRUE; //NT4, SP6 doesn't fail | 
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| 453 | } | 
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| 454 | if(!lpOverlapped) { | 
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| 455 | ::SetLastError(ERROR_INVALID_PARAMETER); | 
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| 456 | return FALSE; | 
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| 457 | } | 
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| 458 | if(pfnDriverGetOverlappedResult == NULL) { | 
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| 459 | dprintf(("HMCustomDriver::GetOverlappedResult: pfnDriverGetOverlappedResult == NULL")); | 
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| 460 | ::SetLastError(ERROR_INVALID_FUNCTION_W); | 
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| 461 | return FALSE; | 
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| 462 | } | 
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| 463 | return pfnDriverGetOverlappedResult(lpDriverData, pHMHandleData->hHMHandle, pHMHandleData->dwFlags, | 
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| 464 | lpOverlapped, lpcbTransfer, fWait, (LPVOID)pHMHandleData->dwUserData); | 
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| 465 | } | 
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| 466 | //****************************************************************************** | 
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| 467 | //****************************************************************************** | 
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| 468 | BOOL WIN32API QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount) | 
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| 469 | { | 
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| 470 | QWORD  time; | 
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| 471 | APIRET rc; | 
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| 472 | #if 0 | 
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| 473 | return FALSE; | 
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| 474 | #else | 
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| 475 | rc = DosTmrQueryTime(&time); | 
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| 476 | if(rc) { | 
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| 477 | dprintf(("DosTmrQueryTime returned %d\n", rc)); | 
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| 478 | return(FALSE); | 
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| 479 | } | 
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| 480 | lpPerformanceCount->u.LowPart  = time.ulLo; | 
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| 481 | lpPerformanceCount->u.HighPart = time.ulHi; | 
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| 482 | dprintf2(("QueryPerformanceCounter returned 0x%X%X\n", lpPerformanceCount->u.HighPart, lpPerformanceCount->u.LowPart)); | 
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| 483 | return(TRUE); | 
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| 484 | #endif | 
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| 485 | } | 
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| 486 | //****************************************************************************** | 
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| 487 | //****************************************************************************** | 
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| 488 | BOOL WIN32API QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency) | 
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| 489 | { | 
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| 490 | APIRET  rc; | 
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| 491 | ULONG   freq; | 
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| 492 |  | 
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| 493 | #if 0 | 
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| 494 | return FALSE; | 
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| 495 | #else | 
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| 496 | rc = DosTmrQueryFreq(&freq); | 
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| 497 | if(rc) { | 
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| 498 | dprintf(("DosTmrQueryFreq returned %d\n", rc)); | 
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| 499 | return(FALSE); | 
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| 500 | } | 
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| 501 | lpFrequency->u.LowPart  = freq; | 
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| 502 | lpFrequency->u.HighPart = 0; | 
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| 503 | dprintf2(("QueryPerformanceFrequency returned 0x%X%X\n", lpFrequency->u.HighPart, lpFrequency->u.LowPart)); | 
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| 504 | return(TRUE); | 
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| 505 | #endif | 
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| 506 | } | 
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| 507 | //****************************************************************************** | 
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| 508 | //****************************************************************************** | 
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