test: base.c File Reference

base.c File Reference

#include <ntddbeep.h>


Functions
int	RtlLoadStringOrError (UINT wID, LPWSTR lpBuffer, int cchBufferMax, WORD wLangId)
VOID	UserSleep (DWORD dwMilliseconds)
BOOL	UserBeep (DWORD dwFreq, DWORD dwDuration)
void	RtlInitUnicodeStringOrId (PUNICODE_STRING pstrName, LPWSTR lpstrName)

Function Documentation

void RtlInitUnicodeStringOrId	(	PUNICODE_STRING	pstrName,
		LPWSTR	lpstrName
	)

Definition at line 204 of file base.c.

References IS_PTR, and RtlInitUnicodeString().

Referenced by xxxCreateWindowEx(), xxxGetScrollMenu(), xxxLoadSysMenu(), xxxUpdateSystemCursorsFromRegistry(), and xxxUpdateSystemIconsFromRegistry().

00207 {
00208     if (IS_PTR(lpstrName)) {
00209         RtlInitUnicodeString(pstrName, lpstrName);
00210     } else {
00211         pstrName->Length = pstrName->MaximumLength = 0;
00212         pstrName->Buffer = lpstrName;
00213     }
00214 }

int RtlLoadStringOrError	(	UINT	wID,
		LPWSTR	lpBuffer,
		int	cchBufferMax,
		WORD	wLangId
	)

Definition at line 30 of file base.c.

References hModuleWin, NT_SUCCESS, NTSTATUS(), RtlFindMessage(), and Status.

00035 {
00036     PMESSAGE_RESOURCE_ENTRY MessageEntry;
00037     int cch;
00038     NTSTATUS Status;
00039 
00040     /*
00041      * Make sure the parms are valid.
00042      */
00043     if (!lpBuffer || (cchBufferMax-- == 0))
00044         return 0;
00045 
00046     cch = 0;
00047 
00048     Status = RtlFindMessage((PVOID)hModuleWin, (ULONG_PTR)RT_MESSAGETABLE,
00049             wLangId, wID, &MessageEntry);
00050     if (NT_SUCCESS(Status)) {
00051 
00052         /*
00053          * Copy out the message.  If the whole thing can be copied,
00054          * copy two fewer chars so the crlf in the message will be
00055          * stripped out.
00056          */
00057         cch = wcslen((PWCHAR)MessageEntry->Text) - 2;
00058         if (cch > cchBufferMax)
00059             cch = cchBufferMax;
00060 
00061         RtlCopyMemory(lpBuffer, (PWCHAR)MessageEntry->Text, cch * sizeof(WCHAR));
00062     }
00063 
00064     /*
00065      * Append a NULL.
00066      */
00067     lpBuffer[cch] = 0;
00068 
00069     return cch;
00070 }

BOOL UserBeep	(	DWORD	dwFreq,
		DWORD	dwDuration
	)

Definition at line 102 of file base.c.

References _UserSoundSentryWorker(), BOOL, CheckCritOut, DWORD, EnterCrit, FALSE, gbRemoteSession, gpRemoteBeepDevice, KeDelayExecutionThread(), KernelMode, L, LeaveCrit, NT_SUCCESS, NTSTATUS(), NULL, ObjectAttributes, ObOpenObjectByPointer(), RtlInitUnicodeString(), Status, TRUE, UserMode, and ZwCreateFile().

Referenced by DownSiren(), HighBeep(), KeyClick(), LowBeep(), ProcessKeyboardInput(), QueueMouseEvent(), UpSiren(), and xxxOldMessageBeep().

00105 {
00106     OBJECT_ATTRIBUTES ObjectAttributes;
00107     UNICODE_STRING NameString;
00108     NTSTATUS Status;
00109     IO_STATUS_BLOCK IoStatus;
00110     BEEP_SET_PARAMETERS BeepParameters;
00111     HANDLE hBeepDevice;
00112     LARGE_INTEGER TimeOut;
00113 
00114     CheckCritOut();
00115 
00116     if (gbRemoteSession) {
00117         if (gpRemoteBeepDevice == NULL)
00118             Status = STATUS_UNSUCCESSFUL;
00119         else
00120             Status = ObOpenObjectByPointer(
00121                           gpRemoteBeepDevice,
00122                           0,
00123                           NULL,
00124                           EVENT_ALL_ACCESS,
00125                           NULL,
00126                           KernelMode,
00127                           &hBeepDevice);
00128     } else {
00129         
00130         RtlInitUnicodeString(&NameString, DD_BEEP_DEVICE_NAME_U);
00131         
00132         InitializeObjectAttributes(&ObjectAttributes,
00133                                    &NameString,
00134                                    0,
00135                                    NULL,
00136                                    NULL);
00137         
00138         Status = ZwCreateFile(&hBeepDevice,
00139                               FILE_READ_DATA | FILE_WRITE_DATA,
00140                               &ObjectAttributes,
00141                               &IoStatus,
00142                               NULL,
00143                               0,
00144                               FILE_SHARE_READ | FILE_SHARE_WRITE,
00145                               FILE_OPEN_IF,
00146                               0,
00147                               (PVOID) NULL,
00148                               0L);
00149     }
00150     
00151     if (!NT_SUCCESS(Status)) {
00152         return FALSE;
00153     }
00154 
00155     /*
00156      * 0,0 is a special case used to turn off a beep.  Otherwise
00157      * validate the dwFreq parameter to be in range.
00158      */
00159     if ((dwFreq != 0 || dwDuration != 0) &&
00160         (dwFreq < (ULONG)0x25 || dwFreq > (ULONG)0x7FFF)) {
00161         
00162         Status = STATUS_INVALID_PARAMETER;
00163     } else {
00164         BeepParameters.Frequency = dwFreq;
00165         BeepParameters.Duration = dwDuration;
00166 
00167         Status = ZwDeviceIoControlFile(hBeepDevice,
00168                                        NULL,
00169                                        NULL,
00170                                        NULL,
00171                                        &IoStatus,
00172                                        IOCTL_BEEP_SET,
00173                                        &BeepParameters,
00174                                        sizeof(BeepParameters),
00175                                        NULL,
00176                                        0);
00177     }
00178 
00179     EnterCrit();
00180     _UserSoundSentryWorker();
00181     LeaveCrit();
00182 
00183     if (!NT_SUCCESS(Status)) {
00184         ZwClose(hBeepDevice);
00185         return FALSE;
00186     }
00187     
00188     /*
00189      * Beep device is asynchronous, so sleep for duration
00190      * to allow this beep to complete.
00191      */
00192     if (dwDuration != (DWORD)-1 && (dwFreq != 0 || dwDuration != 0)) {
00193         TimeOut.QuadPart = Int32x32To64( dwDuration, -10000);
00194         
00195         do {
00196             Status = KeDelayExecutionThread(UserMode, FALSE, &TimeOut);
00197         }
00198         while (Status == STATUS_ALERTED);
00199     }
00200     ZwClose(hBeepDevice);
00201     return TRUE;
00202 }

VOID UserSleep

(

DWORD

dwMilliseconds

)

Definition at line 83 of file base.c.

References FALSE, KeDelayExecutionThread(), UserMode, and VOID().

Referenced by DoBeep(), RawInputThread(), xxxAnimateCaption(), and xxxCreateDesktop().

00085 {
00086     LARGE_INTEGER TimeOut;
00087 
00088     TimeOut.QuadPart = Int32x32To64( dwMilliseconds, -10000 );
00089     KeDelayExecutionThread(UserMode, FALSE, &TimeOut);
00090 }

Generated on Sat May 15 19:42:57 2004 for test by

1.3.7

base.c File Reference

Functions

Function Documentation