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valid.c
Package: shell.rar [view]
Upload User: xhy777
Upload Date: 2007-02-14
Package Size: 24088k
Code Size: 4k
Category:
Windows Kernel
Development Platform:
Visual C++
- /*
- * valid.c - Validation functions module.
- */
- /* Headers
- **********/
- #include "project.h"
- #pragma hdrstop
- /****************************** Public Functions *****************************/
- /*
- ** IsValidHANDLE()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidHANDLE(HANDLE hnd)
- {
- return(EVAL(hnd != INVALID_HANDLE_VALUE));
- }
- /*
- ** IsValidHFILE()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidHFILE(HANDLE hf)
- {
- return(IsValidHANDLE(hf));
- }
- /*
- ** IsValidHWND()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidHWND(HWND hwnd)
- {
- /* Ask User if this is a valid window. */
- return(IsWindow(hwnd));
- }
- #if defined(DEBUG) || defined(VSTF)
- /*
- ** IsValidPCSECURITY_ATTRIBUTES()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidPCSECURITY_ATTRIBUTES(PCSECURITY_ATTRIBUTES pcsa)
- {
- return(IS_VALID_READ_PTR(pcsa, CSECURITY_ATTRIBUTES));
- }
- /*
- ** IsValidFileCreationMode()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidFileCreationMode(DWORD dwMode)
- {
- BOOL bResult;
- switch (dwMode)
- {
- case CREATE_NEW:
- case CREATE_ALWAYS:
- case OPEN_EXISTING:
- case OPEN_ALWAYS:
- case TRUNCATE_EXISTING:
- bResult = TRUE;
- break;
- default:
- bResult = FALSE;
- ERROR_OUT((TEXT("IsValidFileCreationMode(): Invalid file creation mode %#lx."),
- dwMode));
- break;
- }
- return(bResult);
- }
- /*
- ** IsValidHTEMPLATEFILE()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidHTEMPLATEFILE(HANDLE htf)
- {
- return(IsValidHANDLE(htf));
- }
- /*
- ** IsValidPCFILETIME()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidPCFILETIME(PCFILETIME pcft)
- {
- return(IS_VALID_READ_PTR(pcft, CFILETIME));
- }
- #endif
- #ifdef DEBUG
- /*
- ** IsValidHINSTANCE()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidHINSTANCE(HINSTANCE hinst)
- {
- return(EVAL(hinst));
- }
- #pragma warning(disable:4100) /* "unreferenced formal parameter" warning */
- /*
- ** IsValidHICON()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidHICON(HICON hicon)
- {
- /* Any value is a valid HICON. */
- return(TRUE);
- }
- /*
- ** IsValidHKEY()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidHKEY(HKEY hkey)
- {
- /* Any value is a valid HKEY. */
- return(TRUE);
- }
- /*
- ** IsValidHMODULE()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidHMODULE(HMODULE hmod)
- {
- /* Any non-NULL value is a valid HMODULE. */
- return(hmod != NULL);
- }
- #pragma warning(default:4100) /* "unreferenced formal parameter" warning */
- /*
- ** IsValidShowWindowCmd()
- **
- **
- **
- ** Arguments:
- **
- ** Returns:
- **
- ** Side Effects: none
- */
- PUBLIC_CODE BOOL IsValidShowWindowCmd(int nShow)
- {
- BOOL bResult;
- switch (nShow)
- {
- case SW_HIDE:
- case SW_SHOWNORMAL:
- case SW_SHOWMINIMIZED:
- case SW_SHOWMAXIMIZED:
- case SW_SHOWNOACTIVATE:
- case SW_SHOW:
- case SW_MINIMIZE:
- case SW_SHOWMINNOACTIVE:
- case SW_SHOWNA:
- case SW_RESTORE:
- case SW_SHOWDEFAULT:
- bResult = TRUE;
- break;
- default:
- bResult = FALSE;
- ERROR_OUT((TEXT("IsValidShowWindowCmd(): Invalid file creation mode %d."),
- nShow));
- break;
- }
- return(bResult);
- }
- #endif