mirror of
https://github.com/reactos/reactos.git
synced 2024-07-05 12:15:46 +00:00
25c7e1a8d0
floppy drives in ReactOS and mount images on them. Only the cmd got imported. The GUI interface may come later on. Note that, as for vcdrom, the driver is left disabled and you need to explicitely start it through vfd command line interface. CORE-14090
185 lines
3.4 KiB
C
185 lines
3.4 KiB
C
/*
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vfdlib.c
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Virtual Floppy Drive for Windows
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Driver control library
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Miscellaneous functions
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Copyright (C) 2003-2008 Ken Kato
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*/
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#ifdef __cplusplus
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#pragma message(__FILE__": Compiled as C++ for testing purpose.")
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#endif // __cplusplus
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <stdio.h>
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#ifdef _DEBUG
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#include <psapi.h>
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#endif // _DEBUG
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#include "vfdtypes.h"
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#include "vfdapi.h"
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#include "vfdlib.h"
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//
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// DLL Global variables
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//
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#ifndef __REACTOS__
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extern HINSTANCE g_hDllModule = NULL; // Handle to this DLL itself
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extern UINT g_cDllRefCnt = 0; // Reference count of this DLL
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extern UINT g_nNotifyMsg = 0; // VFD notification message
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#else
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HINSTANCE g_hDllModule = NULL; // Handle to this DLL itself
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UINT g_cDllRefCnt = 0; // Reference count of this DLL
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UINT g_nNotifyMsg = 0; // VFD notification message
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#endif
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//
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// DllMain
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//
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BOOL WINAPI DllMain(
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HINSTANCE hInstance,
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DWORD dwReason,
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LPVOID lpReserved)
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{
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#ifdef _DEBUG
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char name[MAX_PATH];
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HMODULE hMod;
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DWORD size;
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if (EnumProcessModules(GetCurrentProcess(), &hMod, sizeof(hMod), &size)) {
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GetModuleBaseName(GetCurrentProcess(), hMod, name, sizeof(name));
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}
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else {
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strcpy(name, "unknown");
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}
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#endif // _DEBUG
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UNREFERENCED_PARAMETER(lpReserved);
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if (dwReason == DLL_PROCESS_ATTACH) {
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VFDTRACE(0, ("DLL_PROCESS_ATTACH - %s\n", name));
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// this DLL doesn't need DLL_THREAD_ATTACH and DLL_THREAD_DETACH
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DisableThreadLibraryCalls(hInstance);
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// store the DLL instance handle
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g_hDllModule = hInstance;
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// register the VFD notification message
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g_nNotifyMsg = RegisterWindowMessage(VFD_NOTIFY_MESSAGE);
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}
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else if (dwReason == DLL_PROCESS_DETACH) {
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VFDTRACE(0, ("DLL_PROCESS_DETACH - %s\n", name));
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}
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return TRUE;
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}
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//
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// Check running platform
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//
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BOOL WINAPI VfdIsValidPlatform()
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{
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BOOL (WINAPI *pfnIsWow64Process)(HANDLE, PBOOL);
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BOOL wow64;
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if (GetVersion() & 0x80000000) {
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return FALSE; // doesn't work on Win9x
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}
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pfnIsWow64Process = (BOOL (WINAPI *)(HANDLE, PBOOL))
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GetProcAddress(GetModuleHandle("kernel32.dll"), "IsWow64Process");
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if (pfnIsWow64Process == NULL) {
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return TRUE; // NT4 or 2000 -- assured to be 32 bit
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}
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wow64 = FALSE;
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if (!pfnIsWow64Process(GetCurrentProcess(), &wow64)) {
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return FALSE;
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}
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return !wow64;
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}
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//
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// Get VFD notification message value
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//
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UINT WINAPI VfdGetNotifyMessage()
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{
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return g_nNotifyMsg;
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}
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//
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// Get message text from this DLL module
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//
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PSTR ModuleMessage(
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DWORD nFormat, ...)
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{
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PSTR p;
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va_list args;
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va_start(args, nFormat);
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if (!FormatMessage(
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FORMAT_MESSAGE_FROM_HMODULE |
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FORMAT_MESSAGE_ALLOCATE_BUFFER,
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g_hDllModule, nFormat, 0, (LPTSTR)&p, 0, &args)) {
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p = NULL;
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}
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va_end(args);
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return p;
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}
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//
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// Get system error message string
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//
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PCSTR SystemMessage(
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DWORD nError)
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{
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static CHAR msg[256];
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if (!FormatMessage(
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL, nError, 0, msg, sizeof(msg), NULL)) {
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_snprintf(msg, sizeof(msg),
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"Unknown system error %lu (0x%08x)\n", nError, nError);
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}
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return msg;
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}
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#ifdef _DEBUG
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//
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// Format and output debug string
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//
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void DebugTrace(
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PCSTR sFormat, ...)
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{
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CHAR buf[512];
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int len;
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va_list args;
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len = _snprintf(buf, sizeof(buf),
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"%s(%lu) : ", TraceFile, TraceLine);
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va_start(args, sFormat);
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_vsnprintf(buf + len, sizeof(buf) - len, sFormat, args);
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OutputDebugString(buf);
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}
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#endif // _DEBUG
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