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#include "stdafx.h"
#include <ole2.h>
#include <stdio.h>
#define FAIL_ARGS 1
#define FAIL_OLE 2
#define FAIL_LOAD 3
#define FAIL_ENTRY 4
#define FAIL_REG 5
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
const TCHAR _szAppName[] = _T("RegSvr32");
const char _szDllRegSvr[] = "DllRegisterServer";
const char _szDllUnregSvr[] = "DllUnregisterServer";
HINSTANCE _hInstance;
BOOL _bSilent;
BOOL _bConsole;
#define SafePutts(string) ((stdout >= 0) ? _putts(string) : 0)
void
FormatString2(
LPTSTR lpszOut,
LPCTSTR lpszFormat,
LPCTSTR lpsz1,
LPCTSTR lpsz2
)
{
LPCTSTR pchSrc = lpszFormat;
LPTSTR pchDest = lpszOut;
while (*pchSrc != '\0') {
if (pchSrc[0] == '%' && (pchSrc[1] >= '1' && pchSrc[1] <= '2')) {
lstrcpy(pchDest, (LPCTSTR)(pchSrc[1] == '1' ? lpsz1 : lpsz2));
pchDest += lstrlen(pchDest);
pchSrc += 2;
} else {
if (_istlead(*pchSrc))
*pchDest++ = *pchSrc++; // copy first of 2 bytes
*pchDest++ = *pchSrc++;
}
}
*pchDest = '\0';
}
#define MAX_STRING 1024
void
DisplayMessage(
UINT ids,
LPCTSTR pszArg1 = NULL,
LPCTSTR pszArg2 = NULL,
BOOL bUsage = FALSE,
BOOL bInfo = FALSE
)
{
if (_bSilent && !_bConsole)
return;
TCHAR szFmt[MAX_STRING];
LoadString(_hInstance, ids, szFmt, MAX_STRING);
TCHAR szText[MAX_STRING];
FormatString2(szText, szFmt, pszArg1, pszArg2);
if (bUsage) {
int cch = _tcslen(szText);
LoadString(_hInstance, IDS_USAGE, szText + cch, MAX_STRING - cch);
}
if (! _bSilent)
MessageBox(NULL, szText, _szAppName,
MB_TASKMODAL | (bInfo ? MB_ICONINFORMATION : MB_ICONEXCLAMATION));
if (_bConsole) {
TCHAR szMessage[MAX_STRING];
FormatString2(szMessage, _T("%1: %2\n"), _szAppName, szText);
SafePutts(szMessage);
}
}
inline void
Usage(
UINT ids,
LPCTSTR pszArg1 = NULL,
LPCTSTR pszArg2 = NULL
)
{
DisplayMessage(ids, pszArg1, pszArg2, TRUE);
}
inline void
Info(
UINT ids,
LPCTSTR pszArg1 = NULL,
LPCTSTR pszArg2 = NULL
)
{
DisplayMessage(ids, pszArg1, pszArg2, FALSE, TRUE);
}
int _RegSvr32(LPSTR strarg)
{
int iReturn = 0;
HRESULT (STDAPICALLTYPE * lpDllEntryPoint)(void);
BOOL bVisualC = FALSE;
BOOL bUnregister = FALSE;
LPCSTR pszDllEntryPoint = _szDllRegSvr;
LPCSTR pszDllName = NULL;
LPCSTR pszTok;
CStringArray Listarg;
_hInstance = AfxGetInstanceHandle();
// Parse command line arguments.
int iTok=0;
while(pszTok=strtok((iTok?NULL:strarg)," "))
{
iTok++;
if ((pszTok[0] == '-') || (pszTok[0] == '/'))
{
switch (pszTok[1])
{
case 'v':
case 'V':
bVisualC = TRUE;
break;
case 's':
case 'S':
_bSilent = TRUE;
break;
case 'u':
case 'U':
bUnregister = TRUE;
pszDllEntryPoint = _szDllUnregSvr;
break;
case 'c':
case 'C':
_bConsole = TRUE;
break;
default:
Usage(IDS_UNRECOGNIZEDFLAG, pszTok);
return FAIL_ARGS;
}
}
else
{
if (pszDllName == NULL)
{
pszDllName = pszTok;
Listarg.Add(pszTok);
while((pszTok=strtok(NULL," "))) Listarg.Add(pszTok);
break;
}
else
{
Usage(IDS_EXTRAARGUMENT, pszTok);
return FAIL_ARGS;
}
}
}
if (pszDllName == NULL)
{
if (bVisualC)
DisplayMessage(IDS_NOPROJECT);
else
Usage(IDS_NODLLNAME);
return FAIL_ARGS;
}
// Initialize OLE.
if (FAILED(OleInitialize(NULL)))
{
DisplayMessage(IDS_OLEINITFAILED);
return FAIL_OLE;
}
SetErrorMode(SEM_FAILCRITICALERRORS); // Make sure LoadLib fails.
for (iTok=0; iTok <Listarg.GetSize(); iTok++)
{
pszDllName = Listarg.GetAt(iTok);
// Load the library.
HINSTANCE hLib = LoadLibraryEx(pszDllName, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
if (hLib < (HINSTANCE)HINSTANCE_ERROR)
{
TCHAR szError[12];
wsprintf(szError, _T("0x%08lx"), GetLastError());
DisplayMessage(IDS_LOADLIBFAILED, pszDllName, szError);
iReturn = FAIL_LOAD;
goto CleanupOle;
}
// Find the entry point.
(FARPROC&)lpDllEntryPoint = GetProcAddress(hLib, pszDllEntryPoint);
if (lpDllEntryPoint == NULL)
{
TCHAR szExt[_MAX_EXT];
_tsplitpath(pszDllName, NULL, NULL, NULL, szExt);
if ((_stricmp(szExt, ".dll") != 0) && (_stricmp(szExt, ".ocx") != 0))
DisplayMessage(IDS_NOTDLLOROCX, pszDllName, pszDllEntryPoint);
else
DisplayMessage(IDS_NOENTRYPOINT, pszDllName, pszDllEntryPoint);
iReturn = FAIL_ENTRY;
goto CleanupLibrary;
}
// Call the entry point.
if(FAILED((*lpDllEntryPoint)()))
{
DisplayMessage(IDS_CALLFAILED, pszDllEntryPoint, pszDllName);
iReturn = FAIL_REG;
goto CleanupLibrary;
}
Info(IDS_CALLSUCCEEDED, pszDllEntryPoint, pszDllName);
CleanupLibrary:
FreeLibrary(hLib);
}
CleanupOle:
OleUninitialize();
Listarg.RemoveAll();
return iReturn;
} |
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