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1323 lines
36 KiB
1323 lines
36 KiB
// Copyright (c) 1998-1999 Microsoft Corporation
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/******************************************************************************
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*
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* HELPERS.C
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*
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* Various helper functions.
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*
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*
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*******************************************************************************/
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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//#include <ntddvdeo.h>
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#include <ntddkbd.h>
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#include <ntddmou.h>
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <winstaw.h>
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#include <utilsub.h>
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#include <tchar.h>
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#include "utilsubres.h" // resources refrenced in this file.
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#define PERCENT TEXT('%')
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#define NULLC TEXT('\0')
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#define MAXCBMSGBUFFER 2048
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TCHAR MsgBuf[MAXCBMSGBUFFER];
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HANDLE NtDllHandle = NULL;
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TCHAR *
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mystrchr(TCHAR const *string, int c);
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/* makarp, #259849
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we cannot put an rc file in this file.
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so we need to keep all the string resources referenced in this file in
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utildll.dll.
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*/
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/* this function returns the string resource from utildll.dll */
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BOOL GetResourceStringFromUtilDll(UINT uID, LPTSTR szBuffer, int iBufferSize)
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{
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HINSTANCE hUtilDll = LoadLibrary(TEXT("utildll.dll"));
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if (hUtilDll)
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{
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int iReturn = LoadString(hUtilDll, uID, szBuffer, iBufferSize);
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int iLastError = GetLastError();
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FreeLibrary( hUtilDll );
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if ( iReturn != 0 && iReturn < iBufferSize)
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{
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// we have got the string
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return TRUE;
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}
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else if (iReturn == 0)
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{
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_ftprintf( stderr, _T("GetResourceStringFromUtilDll: LoadString failed, Error %ld\n"), iLastError);
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return FALSE;
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}
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else
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{
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// we have provided insufficient buffer.
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_ftprintf(stderr, _T("GetResourceStringFromUtilDll: Insufficient buffer for resource string"));
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return FALSE;
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}
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}
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else
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{
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_ftprintf(stderr, _T("GetResourceStringFromUtilDll: LoadLibrary failed for utildll.dll, %ld"), GetLastError());
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return FALSE;
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}
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}
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/* this function is used internally.
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it prints an error message on stderr
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its like ErrorPrintf except it looks for
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the resource into utildll.dll
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This function accepts the arguments in WCHAR.
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*/
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void ErrorOutFromResource(UINT uiStringResource, ...)
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{
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WCHAR szBufferString[512];
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WCHAR szBufferMessage[1024];
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va_list args;
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va_start( args, uiStringResource);
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if (GetResourceStringFromUtilDll(uiStringResource, szBufferString, 512))
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{
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vswprintf( szBufferMessage, szBufferString, args );
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My_fwprintf( stderr, szBufferMessage);
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}
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else
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{
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fwprintf( stderr, L"ErrorOutFromResource:GetResourceStringFromUtilDll failed, Error %ld\n", GetLastError());
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PutStdErr( GetLastError(), 0 );
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}
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va_end(args);
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}
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int
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PutMsg(unsigned int MsgNum, unsigned int NumOfArgs, va_list *arglist);
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/*******************************************************************************
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*
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* CalculateCrc16
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*
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* Calculates a 16-bit CRC of the specified buffer.
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*
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* ENTRY:
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* pBuffer (input)
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* Points to buffer to calculate CRC for.
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* length (input)
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* Length in bytes of the buffer.
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*
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* EXIT:
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* (USHORT)
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* The 16-bit CRC of the buffer.
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*
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******************************************************************************/
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/*
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* updcrc macro derived from article Copyright (C) 1986 Stephen Satchell.
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* NOTE: First argument must be in range 0 to 255.
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* Second argument is referenced twice.
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*
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* Programmers may incorporate any or all code into their programs,
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* giving proper credit within the source. Publication of the
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* source routines is permitted so long as proper credit is given
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* to Stephen Satchell, Satchell Evaluations and Chuck Forsberg,
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* Omen Technology.
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*/
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#define updcrc(cp, crc) ( crctab[((crc >> 8) & 255)] ^ (crc << 8) ^ cp)
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/* crctab calculated by Mark G. Mendel, Network Systems Corporation */
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unsigned short crctab[256] = {
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
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0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
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0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
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0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
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0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
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0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
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0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
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0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
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0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
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0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
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0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
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0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
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0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
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0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
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0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
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0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
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0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
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0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
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0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
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0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
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0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
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0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
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0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
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};
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USHORT WINAPI
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CalculateCrc16( PBYTE pBuffer,
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USHORT length )
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{
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USHORT Crc = 0;
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USHORT Data;
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while ( length-- ) {
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Data = (USHORT) *pBuffer++;
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Crc = updcrc( Data, Crc );
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}
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return(Crc);
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} /* CalculateCrc16() */
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/*****************************************************************************
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*
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* ExecProgram
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* Build a command line argument string and execute a program.
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*
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* ENTRY:
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* pProgCall (input)
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* ptr to PROGRAMCALL structure with program to execute.
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* argc (input)
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* count of the command line arguments.
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* argv (input)
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* vector of strings containing the command line arguments.
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*
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* EXIT:
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* (int)
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* 0 for success; 1 for error. An error message will have already
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* been output on error.
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*
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*****************************************************************************/
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#define ARGS_LEN 512 // maximum # of characters on command line
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// for CreateProcess() call.
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INT WINAPI
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ExecProgram( PPROGRAMCALL pProgCall,
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INT argc,
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WCHAR **argv )
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{
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int count;
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WCHAR program[50];
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PWCHAR pCurrArg;
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STARTUPINFO StartInfo;
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PROCESS_INFORMATION ProcInfo;
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BOOL flag;
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DWORD Status;
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WCHAR wszFullPath[MAX_PATH]; //contains the full path name of the program
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WCHAR wszCmdLine[MAX_PATH + ARGS_LEN + 5]; //for the quoted string and NULL
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PWSTR pwstrFilePart;
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wcscpy(program, pProgCall->Program);
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//
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//Fix 330770 TS: Suspicious CreateProcess call using no program name might execute c:\program.exe AdamO 02/28/2001
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//get the full path of the program
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//search in the same way as createprocess would
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//
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if (!SearchPath(NULL, program, NULL, MAX_PATH, wszFullPath, &pwstrFilePart)) {
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ErrorOutFromResource(IDS_TS_SYS_UTIL_NOT_FOUND, program);
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// fwprintf(stderr, L"Terminal Server System Utility %s Not Found\n", program);
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return(1);
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}
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//
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//create the command line args
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//
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wcscpy(wszCmdLine, L"\"");
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wcscat(wszCmdLine, wszFullPath);
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wcscat(wszCmdLine, L"\"");
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if (pProgCall->Args != NULL) {
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wcscat(wszCmdLine, L" ");
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if ( (wcslen(pProgCall->Args) + wcslen(wszCmdLine) + 3) > sizeof(wszCmdLine)) {
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// IDS_MAX_CMDLINE_EXCEEDED
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ErrorOutFromResource(IDS_MAX_CMDLINE_EXCEEDED);
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// fwprintf(stderr, L"Maximum command line length exceeded\n");
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return(1);
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}
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wcscat(wszCmdLine, pProgCall->Args);
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}
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for (count = 0; count < argc; count++) {
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pCurrArg = argv[count];
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if ( (int)(wcslen(pCurrArg) + wcslen(wszCmdLine) + 3) > sizeof(wszCmdLine) ) {
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// IDS_MAX_CMDLINE_EXCEEDED
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ErrorOutFromResource(IDS_MAX_CMDLINE_EXCEEDED);
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// fwprintf(stderr, L"Maximum command line length exceeded\n");
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return(1);
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}
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wcscat(wszCmdLine, L" ");
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wcscat(wszCmdLine, pCurrArg);
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}
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/*
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* Setup the NT CreateProcess parameters
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*/
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memset( &StartInfo, 0, sizeof(StartInfo) );
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StartInfo.cb = sizeof(STARTUPINFO);
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StartInfo.lpReserved = NULL;
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StartInfo.lpTitle = NULL; // Use the program name
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StartInfo.dwFlags = 0; // no extra flags
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StartInfo.cbReserved2 = 0;
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StartInfo.lpReserved2 = NULL;
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flag = CreateProcess(wszFullPath, // full path of the program
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wszCmdLine, // arguments
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NULL, // lpsaProcess
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NULL, // lpsaThread
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TRUE, // Allow handles to be inherited
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0, // No additional creation flags
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NULL, // inherit parent environment block
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NULL, // inherit parent directory
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&StartInfo,
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&ProcInfo);
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if ( !flag ) {
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Status = GetLastError();
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if(Status == ERROR_FILE_NOT_FOUND) {
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ErrorOutFromResource(IDS_TS_SYS_UTIL_NOT_FOUND, program);
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// fwprintf(stderr, L"Terminal Server System Utility %s Not Found\n", program);
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return(1);
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} else if ( Status == ERROR_INVALID_NAME ) {
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ErrorOutFromResource(IDS_BAD_INTERNAL_PROGNAME, program, wszCmdLine);
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// fwprintf(stderr, L"Bad Internal Program Name :%s:, args :%s:\n", program, wszCmdLine);
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return(1);
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}
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ErrorOutFromResource(IDS_CREATEPROCESS_FAILED, Status);
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// fwprintf(stderr, L"CreateProcess Failed, Status %u\n", Status);
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return(1);
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}
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/*
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* Wait for the process to terminate
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*/
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Status = WaitForSingleObject(ProcInfo.hProcess, INFINITE);
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if ( Status == WAIT_FAILED ) {
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Status = GetLastError();
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ErrorOutFromResource(IDS_WAITFORSINGLEOBJECT_FAILED, Status);
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// fwprintf(stderr, L"WaitForSingle Object Failed, Status %u\n", Status);
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return(1);
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}
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/*
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* Close the process and thread handles
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*/
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CloseHandle(ProcInfo.hThread);
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CloseHandle(ProcInfo.hProcess);
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return(0);
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} /* ExecProgram() */
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/*****************************************************************************
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*
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* ProgramUsage
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* Output a standard 'usage' message for the given program.
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*
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* ENTRY:
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* pProgramName (input)
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* Points to string of program's name.
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* pProgramCommands (input)
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* Points to an array of PROGRAMCALL structures defining the
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* valid commands for the program. The last element in the array
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* will contain all 0 or NULL items.
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* fError (input)
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* If TRUE, will output message with fwprintf to stderr; otherwise,
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* will output message to stdout via wprintf.
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*
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* EXIT:
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*
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* Only commands not flagged as 'alias' commands will be output in the
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* usage message.
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*
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*****************************************************************************/
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VOID WINAPI
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ProgramUsage( LPCWSTR pProgramName,
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PPROGRAMCALL pProgramCommands,
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BOOLEAN fError )
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{
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WCHAR szUsage[83]; // 80 characters per line + newline chars & null
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PPROGRAMCALL pProg;
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BOOL bFirst;
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int i, namelen = wcslen(pProgramName);
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i = wsprintf(szUsage, L"%s {", pProgramName);
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for ( pProg = pProgramCommands->pFirst, bFirst = TRUE;
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pProg != NULL;
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pProg = pProg->pNext ) {
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if ( !pProg->fAlias ) {
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if ( (i + wcslen(pProg->Command) + (bFirst ? 1 : 3)) >= 80 ) {
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wcscat(szUsage, L"\n");
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if ( fError )
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My_fwprintf(stderr, szUsage);
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else
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My_wprintf(szUsage);
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bFirst = TRUE;
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for ( i=0; i < namelen; i++)
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szUsage[i] = L' ';
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}
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i += wsprintf( &(szUsage[i]),
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bFirst ? L" %s" : L" | %s",
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pProg->Command );
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bFirst = FALSE;
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}
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}
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wcscat(szUsage, L" }\n");
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if ( fError )
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My_fwprintf(stderr, szUsage);
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else
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My_wprintf(szUsage);
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}
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/*******************************************************************************
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* ScanPrintfString
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* Scans a string, detects any % and double it
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* (Use it for any string argument before calling ErrorPrintf)
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*
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*******************************************************************************/
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#define PERCENTCHAR L'%'
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BOOLEAN ScanPrintfString(PWCHAR pSource, PWCHAR *ppDest)
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{
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ULONG i, j = 0, k = 0, n = 0;
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ULONG SourceLength, DestLength;
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PWCHAR pDest = NULL;
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if ( (pSource == 0) || (ppDest == 0))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return (FALSE);
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}
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SourceLength = wcslen(pSource);
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for (i = 0; i < SourceLength; i++)
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{
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if (pSource[i] == PERCENTCHAR)
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{
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n++;
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}
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}
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if (n != 0) // at least one %, we need to build a new string.
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{
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pDest = (PWCHAR)malloc((SourceLength + n + 1) * sizeof(WCHAR));
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*ppDest = pDest;
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if (pDest == NULL)
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{
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return FALSE;
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}
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else
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{
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//
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// rescan and copy
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//
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for (i = 0; i < SourceLength; i++)
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{
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if (pSource[i] == PERCENTCHAR)
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{
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if ( i > j )
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{
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memcpy(&(pDest[k]), &(pSource[j]), (i - j) * sizeof(WCHAR));
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k += (i-j);
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j = i;
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}
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pDest[k] = PERCENTCHAR;
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pDest[k+1] = PERCENTCHAR;
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k += 2;
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j++;
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}
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}
|
|
if (i > j)
|
|
{
|
|
memcpy(&(pDest[k]), &(pSource[j]), (i - j) * sizeof(WCHAR));
|
|
}
|
|
pDest[SourceLength + n] = L'\0';
|
|
}
|
|
}
|
|
else // OK pSource is fine; no need of a new string.
|
|
{
|
|
*ppDest = NULL;
|
|
}
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Message
|
|
* Display a message to stdout with variable arguments. Message
|
|
* format string comes from the application resources.
|
|
*
|
|
* ENTRY:
|
|
* nResourceID (input)
|
|
* Resource ID of the format string to use in the message.
|
|
* ... (input)
|
|
* Optional additional arguments to be used with format string.
|
|
*
|
|
* EXIT:
|
|
*
|
|
******************************************************************************/
|
|
|
|
VOID WINAPI
|
|
Message( int nResourceID, ...)
|
|
{
|
|
WCHAR sz1[256], sz2[512];
|
|
|
|
va_list args;
|
|
va_start( args, nResourceID );
|
|
|
|
if ( LoadString( NULL, nResourceID, sz1, 256 ) ) {
|
|
|
|
vswprintf( sz2, sz1, args );
|
|
My_wprintf( sz2 );
|
|
|
|
} else {
|
|
|
|
fwprintf( stderr, L"{Message(): LoadString failed, Error %ld, (0x%08X)}\n",
|
|
GetLastError(), GetLastError() );
|
|
}
|
|
|
|
va_end(args);
|
|
|
|
} /* Message() */
|
|
|
|
|
|
|
|
/************************************************************************************
|
|
* StringMessage
|
|
* used as a pre-routine for Message in case the argument is a single string
|
|
* (fix for bug #334374)
|
|
*
|
|
************************************************************************************/
|
|
VOID WINAPI
|
|
StringMessage(int nErrorResourceID, PWCHAR pString)
|
|
{
|
|
PWCHAR pFixedString = NULL;
|
|
if (ScanPrintfString(pString, &pFixedString) )
|
|
{
|
|
if (pFixedString != NULL)
|
|
{
|
|
Message(nErrorResourceID, pFixedString);
|
|
free(pFixedString);
|
|
}
|
|
else
|
|
{
|
|
Message(nErrorResourceID, pString);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Message(nErrorResourceID, L" ");
|
|
}
|
|
}
|
|
|
|
/************************************************************************************
|
|
* StringErrorPrintf
|
|
* used as a pre-routine for ErrorPrintf in case the argument is a single string
|
|
* (fix for bug #334374)
|
|
*
|
|
************************************************************************************/
|
|
VOID WINAPI
|
|
StringErrorPrintf(int nErrorResourceID, PWCHAR pString)
|
|
{
|
|
PWCHAR pFixedString = NULL;
|
|
if (ScanPrintfString(pString, &pFixedString) )
|
|
{
|
|
if (pFixedString != NULL)
|
|
{
|
|
ErrorPrintf(nErrorResourceID, pFixedString);
|
|
free(pFixedString);
|
|
}
|
|
else
|
|
{
|
|
ErrorPrintf(nErrorResourceID, pString);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ErrorPrintf(nErrorResourceID, L" ");
|
|
}
|
|
}
|
|
|
|
/************************************************************************************
|
|
* StringDwordMessage
|
|
* used as a pre-routine for Message in case the argument are:
|
|
* a single string + a ulong
|
|
* (fix for bug #334374)
|
|
*
|
|
************************************************************************************/
|
|
VOID WINAPI
|
|
StringDwordMessage(int nErrorResourceID, PWCHAR pString, DWORD Num)
|
|
{
|
|
PWCHAR pFixedString = NULL;
|
|
if (ScanPrintfString(pString, &pFixedString) )
|
|
{
|
|
if (pFixedString != NULL)
|
|
{
|
|
Message(nErrorResourceID, pFixedString, Num);
|
|
free(pFixedString);
|
|
}
|
|
else
|
|
{
|
|
Message(nErrorResourceID, pString, Num);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Message(nErrorResourceID, L" ", Num);
|
|
}
|
|
}
|
|
/************************************************************************************
|
|
* DwordStringMessage
|
|
* used as a pre-routine for Message in case the argument are:
|
|
* a single string + a ulong
|
|
* (fix for bug #334374)
|
|
*
|
|
************************************************************************************/
|
|
VOID WINAPI
|
|
DwordStringMessage(int nErrorResourceID, DWORD Num, PWCHAR pString)
|
|
{
|
|
PWCHAR pFixedString = NULL;
|
|
if (ScanPrintfString(pString, &pFixedString) )
|
|
{
|
|
if (pFixedString != NULL)
|
|
{
|
|
Message(nErrorResourceID, Num, pFixedString);
|
|
free(pFixedString);
|
|
}
|
|
else
|
|
{
|
|
Message(nErrorResourceID, Num, pString);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Message(nErrorResourceID, Num, L" ");
|
|
}
|
|
}
|
|
/************************************************************************************
|
|
* StringDwordErrorPrintf
|
|
* used as a pre-routine for ErrorPrintf in case the argument are:
|
|
* a single string + a ulong
|
|
* (fix for bug #334374)
|
|
*
|
|
************************************************************************************/
|
|
VOID WINAPI
|
|
StringDwordErrorPrintf(int nErrorResourceID, PWCHAR pString, DWORD Num)
|
|
{
|
|
PWCHAR pFixedString = NULL;
|
|
if (ScanPrintfString(pString, &pFixedString) )
|
|
{
|
|
if (pFixedString != NULL)
|
|
{
|
|
ErrorPrintf(nErrorResourceID, pFixedString, Num);
|
|
free(pFixedString);
|
|
}
|
|
else
|
|
{
|
|
ErrorPrintf(nErrorResourceID, pString, Num);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ErrorPrintf(nErrorResourceID, L" ", Num);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* ErrorPrintf
|
|
* Output an error message to stderr with variable arguments. Message
|
|
* format string comes from the application resources.
|
|
*
|
|
* ENTRY:
|
|
* nErrorResourceID (input)
|
|
* Resource ID of the format string to use in the error message.
|
|
* ... (input)
|
|
* Optional additional arguments to be used with format string.
|
|
*
|
|
* EXIT:
|
|
*
|
|
******************************************************************************/
|
|
|
|
VOID WINAPI
|
|
ErrorPrintf( int nErrorResourceID, ...)
|
|
{
|
|
|
|
WCHAR sz1[256], sz2[512];
|
|
|
|
|
|
va_list args;
|
|
va_start( args, nErrorResourceID );
|
|
|
|
if ( LoadString( NULL, nErrorResourceID, sz1, 256 ) ) {
|
|
|
|
vswprintf( sz2, sz1, args );
|
|
My_fwprintf( stderr, sz2 );
|
|
|
|
} else {
|
|
|
|
fwprintf( stderr, L"{ErrorPrintf(): LoadString failed, Error %ld, (0x%08X)}\n",
|
|
GetLastError(), GetLastError() );
|
|
PutStdErr( GetLastError(), 0 );
|
|
}
|
|
|
|
va_end(args);
|
|
|
|
} /* ErrorPrintf() */
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* TruncateString
|
|
*
|
|
* This routine truncates given string with elipsis '...' suffix, if needed.
|
|
*
|
|
*
|
|
* ENTRY:
|
|
* pString (input/output)
|
|
* pointer to string to truncate
|
|
* MaxLength (input)
|
|
* maximum length of string
|
|
*
|
|
* EXIT:
|
|
* nothing
|
|
*
|
|
******************************************************************************/
|
|
|
|
VOID WINAPI
|
|
TruncateString( PWCHAR pString, int MaxLength )
|
|
{
|
|
/*
|
|
* if string is too long, trucate it
|
|
*/
|
|
if ( (int)wcslen(pString) > MaxLength && MaxLength > 2 ) {
|
|
wcscpy( pString + MaxLength - 3, L"..." );
|
|
}
|
|
|
|
} /* TruncateString() */
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* EnumerateDevices
|
|
*
|
|
* Perform PD device enumeration for the specified PD DLL.
|
|
*
|
|
* ENTRY:
|
|
* pDllName (input)
|
|
* Pointer to DLLNAME string specifying the PD DLL to enumerate.
|
|
* pEntries (output)
|
|
* Points to variable to return number of devices that were enumerated.
|
|
*
|
|
* EXIT:
|
|
* (PPDPARAMS) Points to a malloc()'ed PDPARAMS array containing the
|
|
* enumeration results if sucessful. The caller must perform
|
|
* free of this array when done. NULL if error.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Typedefs for PdEnumerate function (from ...WINDOWS\INC\CITRIX\PDAPI.H)
|
|
*/
|
|
typedef NTSTATUS (APIENTRY * PPDENUMERATE)(PULONG, PPDPARAMS, PULONG);
|
|
#define INITIAL_ENUMERATION_COUNT 30
|
|
|
|
PPDPARAMS WINAPI
|
|
EnumerateDevices( PDLLNAME pDllName,
|
|
PULONG pEntries )
|
|
{
|
|
PPDENUMERATE pPdEnumerate;
|
|
HANDLE Handle;
|
|
ULONG ByteCount;
|
|
NTSTATUS Status;
|
|
int i;
|
|
PPDPARAMSW pPdParams = NULL;
|
|
|
|
/*
|
|
* Load the specified PD DLL.
|
|
*/
|
|
if ( (Handle = LoadLibrary(pDllName)) == NULL ) {
|
|
|
|
ErrorOutFromResource(IDS_DEVICE_ENUM_CANT_LOAD, pDllName);
|
|
|
|
// fwprintf(
|
|
// stderr,
|
|
// L"Device enumeration failure:\n\tCan't load the %s DLL for device enumeration\n",
|
|
// pDllName );
|
|
goto CantLoad;
|
|
}
|
|
|
|
/*
|
|
* Get the PD enumeration function's load entry pointer.
|
|
*/
|
|
if ( (pPdEnumerate =
|
|
(PPDENUMERATE)GetProcAddress((HMODULE)Handle, "PdEnumerate"))
|
|
== NULL ) {
|
|
|
|
ErrorOutFromResource(IDS_DEVENUM_NO_ENTRY_POINT, pDllName);
|
|
// fwprintf(
|
|
// stderr,
|
|
// L"Device enumeration failure:\n\tDLL %s has no enumeration entry point\n",
|
|
// pDllName );
|
|
goto EnumerateMissing;
|
|
}
|
|
|
|
/*
|
|
* Call enumerate in loop till we hit enough buffer entries to handle
|
|
* a complete enumeration.
|
|
*/
|
|
for ( i = INITIAL_ENUMERATION_COUNT; ; i *= 2 ) {
|
|
|
|
|
|
if ( pPdParams == NULL ) {
|
|
pPdParams =
|
|
(PPDPARAMS)malloc(ByteCount = (sizeof(PDPARAMS) * i));
|
|
} else {
|
|
free(pPdParams);
|
|
pPdParams =
|
|
(PPDPARAMS)malloc(ByteCount = (sizeof(PDPARAMS) * i));
|
|
}
|
|
|
|
if ( pPdParams == NULL ) {
|
|
ErrorOutFromResource(IDS_ERROR_MEMORY);
|
|
// fwprintf(stderr, L"Error allocating memory\n");
|
|
goto OutOfMemory;
|
|
}
|
|
|
|
/*
|
|
* Perform enumeration and break loop if successful.
|
|
*/
|
|
if ( (Status = (*pPdEnumerate)(pEntries, pPdParams, &ByteCount))
|
|
== STATUS_SUCCESS )
|
|
break;
|
|
|
|
/*
|
|
* If we received any other error other than 'buffer too small',
|
|
* complain and quit.
|
|
*/
|
|
if ( Status != STATUS_BUFFER_TOO_SMALL ) {
|
|
|
|
ErrorOutFromResource(IDS_DEVICE_ENUM_FAILED, pDllName, Status);
|
|
// fwprintf(
|
|
// stderr,
|
|
// L"Device enumeration failure\n\tDLL %s, Error 0x%08lX\n",
|
|
// pDllName, Status );
|
|
goto BadEnumerate;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Close the DLL handle and return the PDPARAMS pointer.
|
|
*/
|
|
CloseHandle(Handle);
|
|
return(pPdParams);
|
|
|
|
/*-------------------------------------
|
|
* Error cleanup and return
|
|
*/
|
|
BadEnumerate:
|
|
free(pPdParams);
|
|
OutOfMemory:
|
|
EnumerateMissing:
|
|
CloseHandle( Handle );
|
|
CantLoad:
|
|
return(NULL);
|
|
|
|
} /* EnumerateDevices() */
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* wfopen
|
|
*
|
|
* UNICODE version of fopen
|
|
*
|
|
* ENTRY:
|
|
* filename (input)
|
|
* UNICODE filename to open.
|
|
* mode (input)
|
|
* UNICODE file open mode string.
|
|
*
|
|
* EXIT:
|
|
* Pointer to FILE or NULL if open error.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
FILE * WINAPI
|
|
wfopen( LPCWSTR filename, LPCWSTR mode )
|
|
{
|
|
PCHAR FileBuf, ModeBuf;
|
|
FILE *pFile;
|
|
|
|
if ( !(FileBuf = (PCHAR)malloc((wcslen(filename)+1) * sizeof(CHAR))) )
|
|
goto BadFileBufAlloc;
|
|
|
|
if ( !(ModeBuf = (PCHAR)malloc((wcslen(mode)+1) * sizeof(CHAR))) )
|
|
goto BadModeBufAlloc;
|
|
|
|
/*
|
|
* Convert UNICODE strings to ANSI and call ANSI fopen.
|
|
*/
|
|
wcstombs(FileBuf, filename, wcslen(filename)+1);
|
|
wcstombs(ModeBuf, mode, wcslen(mode)+1);
|
|
pFile = fopen(FileBuf, ModeBuf);
|
|
|
|
/*
|
|
* Clean up and return
|
|
*/
|
|
free(FileBuf);
|
|
free(ModeBuf);
|
|
return(pFile);
|
|
|
|
/*-------------------------------------
|
|
* Error cleanup and return
|
|
*/
|
|
BadModeBufAlloc:
|
|
free(FileBuf);
|
|
BadFileBufAlloc:
|
|
return(NULL);
|
|
|
|
} /* wfopen() */
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* wfgets
|
|
*
|
|
* UNICODE version of fgets
|
|
*
|
|
* ENTRY:
|
|
* Buffer (output)
|
|
* Buffer to place string retreived from stream
|
|
* Len (input)
|
|
* Maximum number of WCHARs in buffer.
|
|
* Stream (input)
|
|
* STDIO file stream for input
|
|
*
|
|
* EXIT:
|
|
* Pointer to Buffer or NULL.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
PWCHAR WINAPI
|
|
wfgets( PWCHAR Buffer, int Len, FILE *Stream )
|
|
{
|
|
PCHAR AnsiBuf, pRet;
|
|
int count;
|
|
|
|
if ( !(AnsiBuf = (PCHAR)malloc(Len * sizeof(CHAR))) )
|
|
goto BadAnsiBufAlloc;
|
|
|
|
/*
|
|
* Get the ANSI version of the string from the stream
|
|
*/
|
|
if ( !(pRet = fgets(AnsiBuf, Len, Stream)) )
|
|
goto NullFgets;
|
|
|
|
/*
|
|
* Convert to UNICODE string in user's buffer.
|
|
*/
|
|
count = mbstowcs(Buffer, AnsiBuf, strlen(AnsiBuf)+1);
|
|
|
|
/*
|
|
* Clean up and return
|
|
*/
|
|
free(AnsiBuf);
|
|
return(Buffer);
|
|
|
|
/*-------------------------------------
|
|
* Error cleanup and return
|
|
*/
|
|
NullFgets:
|
|
free(AnsiBuf);
|
|
BadAnsiBufAlloc:
|
|
return(NULL);
|
|
|
|
} /* wfgets() */
|
|
|
|
|
|
|
|
|
|
/*** PutStdErr - Print a message to STDERR
|
|
*
|
|
* Purpose:
|
|
* Calls PutMsg sending STDERR as the handle to which the message
|
|
* will be written.
|
|
*
|
|
* int PutStdErr(unsigned MsgNum, unsigned NumOfArgs, ...)
|
|
*
|
|
* Args:
|
|
* MsgNum - the number of the message to print
|
|
* NumOfArgs - the number of total arguments
|
|
* ... - the additonal arguments for the message
|
|
*
|
|
* Returns:
|
|
* Return value from PutMsg() M026
|
|
*
|
|
*/
|
|
|
|
int WINAPI
|
|
PutStdErr(unsigned int MsgNum, unsigned int NumOfArgs, ...)
|
|
{
|
|
int Result;
|
|
|
|
va_list arglist;
|
|
|
|
va_start(arglist, NumOfArgs);
|
|
Result = PutMsg(MsgNum, NumOfArgs, &arglist);
|
|
va_end(arglist);
|
|
return Result;
|
|
}
|
|
|
|
|
|
int
|
|
FindMsg(unsigned MsgNum, PTCHAR NullArg, unsigned NumOfArgs, va_list *arglist)
|
|
{
|
|
unsigned msglen;
|
|
DWORD msgsource;
|
|
TCHAR *Inserts[ 2 ];
|
|
CHAR numbuf[ 32 ];
|
|
TCHAR wnumbuf[ 32 ];
|
|
|
|
//
|
|
// find message without doing argument substitution
|
|
//
|
|
|
|
if (MsgNum == ERROR_MR_MID_NOT_FOUND) {
|
|
msglen = 0;
|
|
}
|
|
else {
|
|
#ifdef LATER
|
|
msgsource = MsgNum >= IDS_ERROR_MALLOC ?
|
|
FORMAT_MESSAGE_FROM_HMODULE :
|
|
FORMAT_MESSAGE_FROM_SYSTEM;
|
|
#endif
|
|
msgsource = FORMAT_MESSAGE_FROM_SYSTEM;
|
|
msglen = FormatMessage(msgsource | FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
NULL,
|
|
MsgNum,
|
|
0,
|
|
MsgBuf,
|
|
MAXCBMSGBUFFER,
|
|
NULL
|
|
);
|
|
if (msglen == 0) {
|
|
if (NtDllHandle == NULL) {
|
|
NtDllHandle = GetModuleHandle( TEXT("NTDLL") );
|
|
}
|
|
msgsource = FORMAT_MESSAGE_FROM_HMODULE;
|
|
msglen = FormatMessage(msgsource | FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
(LPVOID)NtDllHandle,
|
|
MsgNum,
|
|
0,
|
|
MsgBuf,
|
|
MAXCBMSGBUFFER,
|
|
NULL
|
|
);
|
|
}
|
|
}
|
|
|
|
if (msglen == 0) {
|
|
//
|
|
// didn't find message
|
|
//
|
|
msgsource = FORMAT_MESSAGE_FROM_SYSTEM |
|
|
FORMAT_MESSAGE_ARGUMENT_ARRAY;
|
|
_ultoa( MsgNum, numbuf, 16 );
|
|
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, numbuf, -1, wnumbuf, 32);
|
|
Inserts[ 0 ]= wnumbuf;
|
|
#ifdef LATER
|
|
Inserts[ 1 ]= (MsgNum >= IDS_ERROR_MALLOC ? TEXT("Application") : TEXT("System"));
|
|
#endif
|
|
Inserts[ 1 ]= TEXT("System");
|
|
MsgNum = ERROR_MR_MID_NOT_FOUND;
|
|
msglen = FormatMessage(msgsource,
|
|
NULL,
|
|
MsgNum,
|
|
0,
|
|
MsgBuf,
|
|
MAXCBMSGBUFFER,
|
|
(va_list *)Inserts
|
|
);
|
|
}
|
|
else {
|
|
|
|
// see how many arguments are expected and make sure we have enough
|
|
|
|
PTCHAR tmp;
|
|
ULONG count;
|
|
|
|
tmp=MsgBuf;
|
|
count = 0;
|
|
while (tmp = mystrchr(tmp, PERCENT)) {
|
|
tmp++;
|
|
if (*tmp >= TEXT('1') && *tmp <= TEXT('9')) {
|
|
count += 1;
|
|
}
|
|
else if (*tmp == PERCENT) {
|
|
tmp++;
|
|
}
|
|
}
|
|
if (count > NumOfArgs) {
|
|
PTCHAR *LocalArgList;
|
|
ULONG i;
|
|
|
|
LocalArgList = (PTCHAR*)malloc(sizeof(PTCHAR) * count);
|
|
|
|
if( LocalArgList == NULL )
|
|
{
|
|
msglen = 0;
|
|
}
|
|
else
|
|
{
|
|
for (i=0; i<count; i++)
|
|
{
|
|
if (i < NumOfArgs)
|
|
{
|
|
LocalArgList[i] = (PTCHAR)(ULONG_PTR)va_arg( *arglist, ULONG );
|
|
}
|
|
else
|
|
{
|
|
LocalArgList[i] = NullArg;
|
|
}
|
|
}
|
|
msglen = FormatMessage(msgsource | FORMAT_MESSAGE_ARGUMENT_ARRAY,
|
|
NULL,
|
|
MsgNum,
|
|
0,
|
|
MsgBuf,
|
|
MAXCBMSGBUFFER,
|
|
(va_list *)LocalArgList
|
|
);
|
|
free(LocalArgList);
|
|
}
|
|
}
|
|
else {
|
|
msglen = FormatMessage(msgsource,
|
|
NULL,
|
|
MsgNum,
|
|
0,
|
|
MsgBuf,
|
|
MAXCBMSGBUFFER,
|
|
arglist
|
|
);
|
|
}
|
|
}
|
|
return msglen;
|
|
}
|
|
|
|
/*** PutMsg - Print a message to a handle
|
|
*
|
|
* Purpose:
|
|
* PutMsg is the work routine which interfaces command.com with the
|
|
* DOS message retriever. This routine is called by PutStdOut and
|
|
* PutStdErr.
|
|
*
|
|
* int PutMsg(unsigned MsgNum, unsigned Handle, unsigned NumOfArgs, ...)
|
|
*
|
|
* Args:
|
|
* MsgNum - the number of the message to print
|
|
* NumOfArgs - the number of total arguments
|
|
* Handle - the handle to print to
|
|
* Arg1 [Arg2...] - the additonal arguments for the message
|
|
*
|
|
* Returns:
|
|
* Return value from DOSPUTMESSAGE M026
|
|
*
|
|
* Notes:
|
|
* - PutMsg builds an argument table which is passed to DOSGETMESSAGE;
|
|
* this table contains the variable information which the DOS routine
|
|
* inserts into the message.
|
|
* - If more than one Arg is sent into PutMsg, it (or they) are taken
|
|
* from the stack in the first for loop.
|
|
* - M020 MsgBuf is a static array of 2K length. It is temporary and
|
|
* will be replaced by a more efficient method when decided upon.
|
|
*
|
|
*/
|
|
|
|
int
|
|
PutMsg(unsigned int MsgNum, unsigned int NumOfArgs, va_list *arglist)
|
|
{
|
|
unsigned msglen;
|
|
PTCHAR NullArg = TEXT(" ");
|
|
WCHAR szErrorNo[256];
|
|
|
|
if (GetResourceStringFromUtilDll(IDS_ERROR_NUMBER, szErrorNo, 256))
|
|
{
|
|
fwprintf( stderr, szErrorNo, MsgNum );
|
|
}
|
|
|
|
msglen = FindMsg(MsgNum,NullArg,NumOfArgs,arglist);
|
|
My_fwprintf( stderr, MsgBuf );
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
|
|
/***
|
|
* mystrchr(string, c) - search a string for a character
|
|
*
|
|
* mystrchr will search through string and return a pointer to the first
|
|
* occurance of the character c. This version of mystrchr knows about
|
|
* double byte characters. Note that c must be a single byte character.
|
|
*
|
|
*/
|
|
|
|
TCHAR *
|
|
mystrchr(TCHAR const *string, int c)
|
|
{
|
|
|
|
/* handle null seperatly to make main loop easier to code */
|
|
if (string == NULL)
|
|
return(NULL);
|
|
|
|
if (c == NULLC)
|
|
return((TCHAR *)(string + wcslen(string)));
|
|
|
|
return wcschr( string, (TCHAR)c );
|
|
}
|
|
|
|
|
|
|
|
/***
|
|
* My_wprintf(format) - print formatted data
|
|
*
|
|
* Prints Unicode formatted string to console window using WriteConsoleW.
|
|
* Note: This My_wprintf() is used to workaround the problem in c-runtime
|
|
* which looks up LC_CTYPE even for Unicode string.
|
|
*
|
|
*/
|
|
|
|
int __cdecl
|
|
My_wprintf(
|
|
const wchar_t *format,
|
|
...
|
|
)
|
|
|
|
{
|
|
DWORD cchWChar;
|
|
|
|
va_list args;
|
|
va_start( args, format );
|
|
|
|
cchWChar = My_vfwprintf(stdout, format, args);
|
|
|
|
va_end(args);
|
|
|
|
return cchWChar;
|
|
}
|
|
|
|
|
|
|
|
/***
|
|
* My_fwprintf(stream, format) - print formatted data
|
|
*
|
|
* Prints Unicode formatted string to console window using WriteConsoleW.
|
|
* Note: This My_fwprintf() is used to workaround the problem in c-runtime
|
|
* which looks up LC_CTYPE even for Unicode string.
|
|
*
|
|
*/
|
|
|
|
int __cdecl
|
|
My_fwprintf(
|
|
FILE *str,
|
|
const wchar_t *format,
|
|
...
|
|
)
|
|
|
|
{
|
|
DWORD cchWChar;
|
|
|
|
va_list args;
|
|
va_start( args, format );
|
|
|
|
cchWChar = My_vfwprintf(str, format, args);
|
|
|
|
va_end(args);
|
|
|
|
return cchWChar;
|
|
}
|
|
|
|
|
|
int __cdecl
|
|
My_vfwprintf(
|
|
FILE *str,
|
|
const wchar_t *format,
|
|
va_list argptr
|
|
)
|
|
|
|
{
|
|
HANDLE hOut;
|
|
|
|
if (str == stderr) {
|
|
hOut = GetStdHandle(STD_ERROR_HANDLE);
|
|
}
|
|
else {
|
|
hOut = GetStdHandle(STD_OUTPUT_HANDLE);
|
|
}
|
|
|
|
if ((GetFileType(hOut) & ~FILE_TYPE_REMOTE) == FILE_TYPE_CHAR) {
|
|
DWORD cchWChar;
|
|
WCHAR szBufferMessage[1024];
|
|
|
|
vswprintf( szBufferMessage, format, argptr );
|
|
cchWChar = wcslen(szBufferMessage);
|
|
WriteConsoleW(hOut, szBufferMessage, cchWChar, &cchWChar, NULL);
|
|
return cchWChar;
|
|
}
|
|
|
|
return vfwprintf(str, format, argptr);
|
|
}
|