vfdlib.c File Reference

#include <windows.h>
#include <stdio.h>
#include "vfdtypes.h"
#include "vfdapi.h"
#include "vfdlib.h"

Include dependency graph for vfdlib.c:

Go to the source code of this file.

Macros
#define	WIN32_LEAN_AND_MEAN

Functions
BOOL WINAPI	DllMain (HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
BOOL WINAPI	VfdIsValidPlatform ()
UINT WINAPI	VfdGetNotifyMessage ()
PSTR	ModuleMessage (DWORD nFormat,...)
PCSTR	SystemMessage (DWORD nError)

Variables
HINSTANCE	g_hDllModule = NULL
UINT	g_cDllRefCnt = 0
UINT	g_nNotifyMsg = 0

Macro Definition Documentation

WIN32_LEAN_AND_MEAN

#define WIN32_LEAN_AND_MEAN

Definition at line 15 of file vfdlib.c.

Function Documentation

DllMain()

BOOL WINAPI DllMain	(	HINSTANCE	hInstance,
		DWORD	dwReason,
		LPVOID	lpReserved
	)

Definition at line 44 of file vfdlib.c.

{
#ifdef _DEBUG
    char            name[MAX_PATH];
    HMODULE         hMod;
    DWORD           size;
 
    if (EnumProcessModules(GetCurrentProcess(), &hMod, sizeof(hMod), &size)) {
        GetModuleBaseName(GetCurrentProcess(), hMod, name, sizeof(name));
    }
    else {
        strcpy(name, "unknown");
    }
#endif  // _DEBUG
 
    UNREFERENCED_PARAMETER(lpReserved);
 
    if (dwReason == DLL_PROCESS_ATTACH) {
        VFDTRACE(0, ("DLL_PROCESS_ATTACH - %s\n", name));
 
        //  this DLL doesn't need DLL_THREAD_ATTACH and DLL_THREAD_DETACH
        DisableThreadLibraryCalls(hInstance);
 
        //  store the DLL instance handle
        g_hDllModule = hInstance;
 
        //  register the VFD notification message
        g_nNotifyMsg = RegisterWindowMessage(VFD_NOTIFY_MESSAGE);
 
    }
    else if (dwReason == DLL_PROCESS_DETACH) {
        VFDTRACE(0, ("DLL_PROCESS_DETACH - %s\n", name));
    }
 
    return TRUE;
}

ModuleMessage()

PSTR ModuleMessage	(	DWORD	nFormat,
			...
	)

Definition at line 124 of file vfdlib.c.

{
    PSTR    p;
    va_list args;
 
    va_start(args, nFormat);
 
    if (!FormatMessage(
        FORMAT_MESSAGE_FROM_HMODULE |
        FORMAT_MESSAGE_ALLOCATE_BUFFER,
        g_hDllModule, nFormat, 0, (LPTSTR)&p, 0, &args)) {
        p = NULL;
    }
 
    va_end(args);
 
    return p;
}

Referenced by AddMenuItem(), CVfdShExt::DoVfdDrop(), OnBrowse(), OnOK(), SetControlText(), ShowHelpWindow(), VfdGuiClose(), VfdGuiFormat(), VfdImageTip(), and VfdMakeFileDesc().

SystemMessage()

PCSTR SystemMessage

(

DWORD

nError

)

Definition at line 147 of file vfdlib.c.

{
    static CHAR     msg[256];
 
    if (!FormatMessage(
        FORMAT_MESSAGE_FROM_SYSTEM |
        FORMAT_MESSAGE_IGNORE_INSERTS,
        NULL, nError, 0, msg, sizeof(msg), NULL)) {
 
        _snprintf(msg, sizeof(msg),
            "Unknown system error %lu (0x%08x)\n", nError, nError);
    }
 
    return msg;
}

Referenced by CVfdShExt::DoVfdOpen(), ExtractZipImage(), ExtractZipInfo(), CVfdShExt::InvokeCommand(), OnControl(), OnImage(), OnOK(), OnTarget(), UpdateImageInfo(), VfdBroadcastLink(), VfdCheckDriverFile(), VfdCheckImageFile(), VfdCloseImage(), VfdConfigDriver(), VfdCreateImageFile(), VfdDismountVolume(), VfdFormatMedia(), VfdGetDeviceName(), VfdGetDeviceNumber(), VfdGetDriverConfig(), VfdGetDriverState(), VfdGetDriverVersion(), VfdGetGlobalLink(), VfdGetImageInfo(), VfdGetLocalLink(), VfdGetMediaState(), VfdGuiFormat(), VfdImageTip(), VfdInstallDriver(), VfdOpenDevice(), VfdOpenImage(), VfdRemoveDriver(), VfdSaveImage(), VfdSetGlobalLink(), VfdSetLocalLink(), VfdStartDriver(), VfdStopDriver(), and VfdWriteProtect().

VfdGetNotifyMessage()

UINT WINAPI VfdGetNotifyMessage

(

)

Definition at line 115 of file vfdlib.c.

{
    return g_nNotifyMsg;
}

VfdIsValidPlatform()

BOOL WINAPI VfdIsValidPlatform

(

)

Definition at line 87 of file vfdlib.c.

{
    BOOL (WINAPI *pfnIsWow64Process)(HANDLE, PBOOL);
    BOOL wow64;
 
    if (GetVersion() & 0x80000000) {
        return FALSE;       // doesn't work on Win9x
    }
 
    pfnIsWow64Process = (BOOL (WINAPI *)(HANDLE, PBOOL))
        GetProcAddress(GetModuleHandle("kernel32.dll"), "IsWow64Process");
 
    if (pfnIsWow64Process == NULL) {
        return TRUE;        // NT4 or 2000 -- assured to be 32 bit
    }
 
    wow64 = FALSE;
 
    if (!pfnIsWow64Process(GetCurrentProcess(), &wow64)) {
        return FALSE;
    }
 
    return !wow64;
}

Referenced by main().

Variable Documentation

g_cDllRefCnt

UINT g_cDllRefCnt = 0

extern

Referenced by CVfdShExt::AddPages(), CVfdFactory::CVfdFactory(), CVfdShExt::CVfdShExt(), DllCanUnloadNow(), CVfdFactory::~CVfdFactory(), and CVfdShExt::~CVfdShExt().

g_hDllModule

HINSTANCE g_hDllModule = NULL

extern

Referenced by CVfdShExt::AddPages(), DllMain(), CVfdShExt::GetCommandString(), GuiSaveParam(), ModuleMessage(), OnControl(), VfdGuiOpen(), VfdRegisterHandlers(), and VfdToolTip().

g_nNotifyMsg

UINT g_nNotifyMsg = 0

extern

Referenced by DllMain(), VfdGetNotifyMessage(), VfdNotify(), and VfdPageDlgProc().