reactos/win32ss/printing/base/winspool/ports.c

81 lines
2.1 KiB
C

/*
* PROJECT: ReactOS Spooler API
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: Functions related to Ports
* COPYRIGHT: Copyright 2015 Colin Finck (colin@reactos.org)
*/
#include "precomp.h"
static void
_MarshallUpPortInfo(PBYTE pPortInfo, DWORD Level)
{
PPORT_INFO_2W pPortInfo2 = (PPORT_INFO_2W)pPortInfo; // PORT_INFO_1W is a subset of PORT_INFO_2W
// Replace relative offset addresses in the output by absolute pointers.
pPortInfo2->pPortName = (PWSTR)((ULONG_PTR)pPortInfo2->pPortName + (ULONG_PTR)pPortInfo2);
if (Level == 2)
{
pPortInfo2->pDescription = (PWSTR)((ULONG_PTR)pPortInfo2->pDescription + (ULONG_PTR)pPortInfo2);
pPortInfo2->pMonitorName = (PWSTR)((ULONG_PTR)pPortInfo2->pMonitorName + (ULONG_PTR)pPortInfo2);
}
}
BOOL WINAPI
AddPortW(PWSTR pName, HWND hWnd, PWSTR pMonitorName)
{
UNIMPLEMENTED;
return FALSE;
}
BOOL WINAPI
ConfigurePortW(PWSTR pName, HWND hWnd, PWSTR pPortName)
{
UNIMPLEMENTED;
return FALSE;
}
BOOL WINAPI
DeletePortW(PWSTR pName, HWND hWnd, PWSTR pPortName)
{
UNIMPLEMENTED;
return FALSE;
}
BOOL WINAPI
EnumPortsW(PWSTR pName, DWORD Level, PBYTE pPorts, DWORD cbBuf, PDWORD pcbNeeded, PDWORD pcReturned)
{
DWORD dwErrorCode;
DWORD i;
PBYTE p = pPorts;
// Do the RPC call
RpcTryExcept
{
dwErrorCode = _RpcEnumPorts(pName, Level, pPorts, cbBuf, pcbNeeded, pcReturned);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
{
dwErrorCode = RpcExceptionCode();
ERR("_RpcEnumPorts failed with exception code %lu!\n", dwErrorCode);
}
RpcEndExcept;
if (dwErrorCode == ERROR_SUCCESS)
{
// Replace relative offset addresses in the output by absolute pointers.
for (i = 0; i < *pcReturned; i++)
{
_MarshallUpPortInfo(p, Level);
if (Level == 1)
p += sizeof(PORT_INFO_1W);
else if (Level == 2)
p += sizeof(PORT_INFO_2W);
}
}
SetLastError(dwErrorCode);
return (dwErrorCode == ERROR_SUCCESS);
}