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389 lines
8.9 KiB
389 lines
8.9 KiB
#include <windows.h>
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#include "common.h"
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#define BLOCKLEN 100
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#ifndef DBCS
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#define AnsiNext(x) ((x)+1)
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#endif
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extern HANDLE hInstance;
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extern FARPROC lpOldHook;
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extern HWND hWndMain, hWndHelp;
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extern WORD wHelpMain;
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extern char *pszLongName;
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extern char *pszOutOfMemory;
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HANDLE NEAR PASCAL StringToLocalHandle(LPSTR szStr, WORD wFlags)
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{
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HANDLE hStr;
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LPSTR lpStr;
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if(!(hStr=LocalAlloc(wFlags, lstrlen(szStr) + 1)))
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goto Error1;
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if(!(lpStr=LocalLock(hStr)))
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goto Error2;
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lstrcpy(lpStr, szStr);
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LocalUnlock(hStr);
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goto Error1;
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Error2:
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LocalFree(hStr);
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hStr = NULL;
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Error1:
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return(hStr);
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}
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LPSTR NEAR _fastcall MyStrTok(LPSTR szList, char cEnd)
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{
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LPSTR szTemp;
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/* if there are no more tokens return NULL */
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if(!*szList)
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return NULL;
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/* find delimiter or end of string */
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while(*szList && *szList!=cEnd)
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szList = AnsiNext(szList);
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/* if we found a delimiter insert string terminator and skip */
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if(*szList) {
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szTemp = szList;
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szList = AnsiNext(szTemp);
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*szTemp = '\0';
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}
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/* return token */
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return(szList);
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}
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int NEAR PASCAL DoDialogBoxParam(LPCSTR lpDialog, HWND hWnd, FARPROC lpfnProc,
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DWORD dwParam)
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{
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int result = -1;
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if(!(lpfnProc = MakeProcInstance(lpfnProc, hInstance)))
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goto Error1;
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result = DialogBoxParam(hInstance, lpDialog, hWnd, lpfnProc, dwParam);
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FreeProcInstance(lpfnProc);
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Error1:
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return(result);
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}
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int NEAR PASCAL DoDialogBox(LPCSTR lpDialog, HWND hWnd, FARPROC lpfnProc)
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{
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return(DoDialogBoxParam(lpDialog, hWnd, lpfnProc, 0L));
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}
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unsigned long NEAR PASCAL MyQueryValue(HKEY hKey, PSTR pSubKey, HANDLE *hBuf)
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{
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HANDLE hTemp;
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PSTR pBuf;
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WORD wBufSize = BLOCKLEN;
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unsigned long result = ERROR_OUTOFMEMORY;
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LONG lSize;
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if(!(*hBuf=LocalAlloc(LMEM_MOVEABLE, wBufSize)))
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goto Error1;
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if(!(pBuf=LocalLock(*hBuf)))
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goto Error2;
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while((lSize=wBufSize, (result=RegQueryValue(hKey, pSubKey, pBuf, &lSize))
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==ERROR_SUCCESS) && (WORD)lSize>wBufSize-10) {
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LocalUnlock(*hBuf);
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wBufSize += BLOCKLEN;
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if(!(hTemp=LocalReAlloc(*hBuf, wBufSize, LMEM_MOVEABLE))) {
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result = ERROR_OUTOFMEMORY;
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goto Error2;
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}
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pBuf = LocalLock(*hBuf=hTemp);
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}
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LocalUnlock(*hBuf);
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if(result!=ERROR_SUCCESS || !lSize)
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goto Error2;
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goto Error1;
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Error2:
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LocalFree(*hBuf);
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*hBuf = NULL;
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Error1:
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return(result);
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}
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HANDLE NEAR PASCAL GetEditString(HWND hWndEdit)
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{
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HANDLE hEdit = NULL;
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PSTR pEdit;
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WORD wLen;
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wLen = LOWORD(SendMessage(hWndEdit, WM_GETTEXTLENGTH, 0, 0L)) + 1;
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if(!(hEdit=LocalAlloc(LMEM_MOVEABLE, wLen)))
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goto Error1;
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if(!(pEdit=LocalLock(hEdit)))
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goto Error2;
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SendMessage(hWndEdit, WM_GETTEXT, wLen, (DWORD)((LPSTR)pEdit));
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LocalUnlock(hEdit);
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goto Error1;
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Error2:
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LocalFree(hEdit);
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hEdit = NULL;
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Error1:
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return(hEdit);
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}
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HANDLE NEAR _fastcall MyLoadString(WORD wId, WORD *pwSize, WORD wFlags)
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{
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char szString[258]; /* RC limits strings to 256 chars */
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WORD wSize;
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wSize = LoadString(hInstance, wId, szString, sizeof(szString));
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if(pwSize)
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*pwSize = wSize;
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return(StringToLocalHandle(szString, wFlags));
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}
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int NEAR cdecl MyMessageBox(HWND hWnd, WORD wText, WORD wType, WORD wExtra, ...)
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{
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HANDLE hText, hRText;
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PSTR pText, pRText;
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WORD wSize;
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int result = 0;
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if(wText == IDS_OUTOFMEMORY)
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goto Error1;
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if(!(hText=MyLoadString(wText, &wSize, LMEM_MOVEABLE)))
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goto Error1;
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/* We allocate enough room for a bunch of numbers and the strings
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*/
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if(!(hRText=LocalAlloc(LMEM_MOVEABLE, 2*wSize + wExtra)))
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goto Error2;
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if(!(pRText=LocalLock(hRText)))
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goto Error3;
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pText = LocalLock(hText);
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wvsprintf(pRText, pText, (LPSTR)(&wExtra+1));
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result = MessageBox(hWnd, pRText, pszLongName, wType);
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LocalUnlock(hText);
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LocalUnlock(hRText);
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Error3:
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LocalFree(hRText);
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Error2:
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LocalFree(hText);
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Error1:
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if(!result) {
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MessageBox(hWnd, pszOutOfMemory, pszLongName,
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MB_ICONHAND | MB_SYSTEMMODAL | MB_OK);
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}
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return(result);
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}
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VOID NEAR PASCAL WriteProfileInt(WORD wAppName, WORD wKey, int nVal)
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{
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HANDLE hAppName, hKey;
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char buf[10];
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if(!(hAppName=MyLoadString(wAppName, NULL, LMEM_MOVEABLE)))
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goto Error1;
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if(!(hKey=MyLoadString(wKey, NULL, LMEM_MOVEABLE)))
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goto Error2;
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wsprintf(buf, "%d", nVal);
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WriteProfileString(LocalLock(hAppName), LocalLock(hKey), buf);
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LocalUnlock(hKey);
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LocalUnlock(hAppName);
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Error2:
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LocalFree(hKey);
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Error1:
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LocalFree(hAppName);
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}
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int NEAR PASCAL MyGetProfileInt(WORD wAppName, WORD wKey, int nDefault)
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{
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HANDLE hAppName, hKey;
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if(!(hAppName=MyLoadString(wAppName, NULL, LMEM_MOVEABLE)))
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goto Error1;
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if(!(hKey=MyLoadString(wKey, NULL, LMEM_MOVEABLE)))
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goto Error2;
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nDefault = GetProfileInt(LocalLock(hAppName), LocalLock(hKey), nDefault);
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LocalUnlock(hKey);
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LocalUnlock(hAppName);
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Error2:
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LocalFree(hKey);
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Error1:
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LocalFree(hAppName);
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return(nDefault);
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}
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HANDLE NEAR PASCAL StringToHandle(LPSTR szStr)
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{
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HANDLE hStr;
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LPSTR lpStr;
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if(!(hStr=GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE,
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(DWORD)(lstrlen(szStr)+1))))
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goto Error1;
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if(!(lpStr=GlobalLock(hStr)))
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goto Error2;
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lstrcpy(lpStr, szStr);
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GlobalUnlock(hStr);
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goto Error1;
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Error2:
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GlobalFree(hStr);
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hStr = NULL;
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Error1:
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return(hStr);
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}
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int FAR PASCAL MessageFilter(int nCode, WORD wParam, LPMSG lpMsg)
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{
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switch(nCode) {
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case MSGF_MENU:
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case MSGF_DIALOGBOX:
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if(lpMsg->message==WM_KEYDOWN && lpMsg->wParam==VK_F1
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&& !(lpMsg->lParam&(1L<<30)))
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PostMessage(hWndHelp, WM_COMMAND, ID_HELP,
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MAKELONG(lpMsg->hwnd, nCode));
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break;
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default:
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DefHookProc(nCode, wParam, (DWORD)lpMsg, &lpOldHook);
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return(FALSE);
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}
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return(FALSE);
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}
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#ifndef NOHELP
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// #define ONLYID
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VOID NEAR PASCAL MyHelp(HWND hWnd, WORD wCommand, DWORD wId)
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{
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#ifdef ONLYID
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if(wCommand != HELP_QUIT)
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MyMessageBox(hWnd, IDS_HELP, MB_OK, 0, wId);
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#else
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HANDLE hHelpFile;
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PSTR pHelpFile;
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if(!(hHelpFile=MyLoadString(wHelpMain==IDW_SDKMAIN ?
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IDS_SDKHELPFILE : IDS_HELPFILE, NULL, LMEM_MOVEABLE)))
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return;
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if(!WinHelp(hWndMain, pHelpFile=LocalLock(hHelpFile), wCommand, wId))
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MyMessageBox(hWnd, IDS_HELPERR, MB_OK, 0);
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else
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WinHelp(hWndMain, pHelpFile, HELP_SETINDEX, wHelpIndex);
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LocalUnlock(hHelpFile);
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LocalFree(hHelpFile);
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#endif
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}
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#endif
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HANDLE NEAR PASCAL GetListboxString(HWND hWndEdit, int nId)
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{
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HANDLE hEdit = NULL;
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PSTR pEdit;
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WORD wLen;
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wLen = LOWORD(SendMessage(hWndEdit, LB_GETTEXTLEN, nId, 0L)) + 1;
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if(!(hEdit=LocalAlloc(LMEM_MOVEABLE, wLen)))
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goto Error1;
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if(!(pEdit=LocalLock(hEdit)))
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goto Error2;
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SendMessage(hWndEdit, LB_GETTEXT, nId, (DWORD)((LPSTR)pEdit));
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LocalUnlock(hEdit);
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goto Error1;
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Error2:
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LocalFree(hEdit);
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hEdit = NULL;
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Error1:
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return(hEdit);
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}
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unsigned long NEAR PASCAL MyEnumKey(HKEY hKey, WORD wIndex, HANDLE *hBuf)
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{
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HANDLE hTemp;
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PSTR pBuf;
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WORD wBufSize = BLOCKLEN, wSize;
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unsigned long result = ERROR_OUTOFMEMORY;
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if(!(*hBuf=LocalAlloc(LMEM_MOVEABLE, wBufSize)))
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goto Error1;
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if(!(pBuf=LocalLock(*hBuf)))
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goto Error2;
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while((result=RegEnumKey(hKey, wIndex, pBuf, (DWORD)wBufSize))
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==ERROR_SUCCESS && (wSize=lstrlen(pBuf))>wBufSize-10) {
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LocalUnlock(*hBuf);
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wBufSize += BLOCKLEN;
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if(!(hTemp=LocalReAlloc(*hBuf, wBufSize, LMEM_MOVEABLE))) {
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result = ERROR_OUTOFMEMORY;
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goto Error2;
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}
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pBuf = LocalLock(*hBuf=hTemp);
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}
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LocalUnlock(*hBuf);
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if(result!=ERROR_SUCCESS || !wSize)
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goto Error2;
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goto Error1;
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Error2:
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LocalFree(*hBuf);
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*hBuf = NULL;
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Error1:
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return(result);
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}
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static WORD wErrMsgs[] = {
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0, IDS_BADDB, IDS_BADKEY, IDS_CANTOPENDB, IDS_CANTREADDB, IDS_CANTWRITEDB,
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IDS_OUTOFMEMORY, IDS_INVALIDPARM
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} ;
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WORD NEAR _fastcall GetErrMsg(WORD wRet)
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{
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return(wRet>=sizeof(wErrMsgs)/sizeof(wErrMsgs[0]) ?
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IDS_INVALIDPARM : wErrMsgs[wRet]);
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}
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VOID NEAR PASCAL RepeatMove(LPSTR lpDest, LPSTR lpSrc, WORD wBytes)
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{
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/* WARNING: This assumes that the buffers are in different segments, or
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* the offset of the dest is less than the offset of the src
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*/
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/* Save DS, and load up ES:DI, DS:SI, and CX with the parameters */
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_asm push ds
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_asm les di,lpDest
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_asm lds si,lpSrc
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_asm mov cx,wBytes
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_asm cld
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/* Do a movsb if CX is odd, and then do movsw for CX/2 */
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_asm shr CX,1
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_asm jnc repm1
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_asm movsb
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_asm repm1:
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_asm jcxz repm2
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_asm rep movsw
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_asm repm2:
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/* Restore DS and return */
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_asm pop ds
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}
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