lib/kernel32/misc/error.c

   1 /* $Id$
   2  *
   3  * reactos/lib/kernel32/misc/error.c
   4  *
   5  */
   6 #include <ddk/ntddk.h>
   7 #include <ddk/ntddbeep.h>
   8
   9 // #define NDEBUG
  10 #include <kernel32/kernel32.h>
  11 #include <kernel32/error.h>
  12
  13
  14 /* INTERNAL */
  15 DWORD
  16 STDCALL
  17 SetLastErrorByStatus (
  18         NTSTATUS        Status
  19         )
  20 {
  21         DWORD Error = RtlNtStatusToDosError (Status);
  22         SetLastError (Error);
  23         return (Error);
  24 }
  25
  26
  27 VOID
  28 STDCALL
  29 SetLastError (
  30         DWORD   dwErrorCode
  31         )
  32 {
  33         NtCurrentTeb ()->LastErrorValue = (ULONG) dwErrorCode;
  34 }
  35
  36 DWORD
  37 STDCALL
  38 GetLastError (VOID)
  39 {
  40         return (DWORD) (NtCurrentTeb ()->LastErrorValue);
  41 }
  42
  43
  44 WINBOOL
  45 STDCALL
  46 Beep (DWORD dwFreq, DWORD dwDuration)
  47 {
  48     HANDLE hBeep;
  49     BEEP_SET_PARAMETERS BeepSetParameters;
  50     DWORD dwReturned;
  51
  52     hBeep = CreateFile("\\\\.\\Beep",
  53                        FILE_GENERIC_READ | FILE_GENERIC_WRITE,
  54                        0,
  55                        NULL,
  56                        OPEN_EXISTING,
  57                        0,
  58                        NULL);
  59     if (hBeep == INVALID_HANDLE_VALUE)
  60         return FALSE;
  61
  62     /* Set beep data */
  63     BeepSetParameters.Frequency = dwFreq;
  64     BeepSetParameters.Duration  = dwDuration;
  65
  66     DeviceIoControl(hBeep,
  67                     IOCTL_BEEP_SET,
  68                     &BeepSetParameters,
  69                     sizeof(BEEP_SET_PARAMETERS),
  70                     NULL,
  71                     0,
  72                     &dwReturned,
  73                     NULL);
  74
  75     CloseHandle (hBeep);
  76
  77     return TRUE;
  78 }
  79
  80
  81 /* EOF */