wine/dlls/spoolss/router.c
2009-04-20 15:25:26 +02:00

573 lines
20 KiB
C

/*
* Routing for Spooler-Service helper DLL
*
* Copyright 2006-2009 Detlef Riekenberg
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "wingdi.h"
#include "winspool.h"
#include "ddk/winsplp.h"
#include "spoolss.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(spoolss);
/* ################################ */
#define MAX_BACKEND 3
typedef struct {
/* PRINTPROVIDOR functions */
DWORD (WINAPI *fpOpenPrinter)(LPWSTR, HANDLE *, LPPRINTER_DEFAULTSW);
DWORD (WINAPI *fpSetJob)(HANDLE, DWORD, DWORD, LPBYTE, DWORD);
DWORD (WINAPI *fpGetJob)(HANDLE, DWORD, DWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpEnumJobs)(HANDLE, DWORD, DWORD, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
HANDLE (WINAPI *fpAddPrinter)(LPWSTR, DWORD, LPBYTE);
DWORD (WINAPI *fpDeletePrinter)(HANDLE);
DWORD (WINAPI *fpSetPrinter)(HANDLE, DWORD, LPBYTE, DWORD);
DWORD (WINAPI *fpGetPrinter)(HANDLE, DWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpEnumPrinters)(DWORD, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpAddPrinterDriver)(LPWSTR, DWORD, LPBYTE);
DWORD (WINAPI *fpEnumPrinterDrivers)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpGetPrinterDriver)(HANDLE, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpGetPrinterDriverDirectory)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpDeletePrinterDriver)(LPWSTR, LPWSTR, LPWSTR);
DWORD (WINAPI *fpAddPrintProcessor)(LPWSTR, LPWSTR, LPWSTR, LPWSTR);
DWORD (WINAPI *fpEnumPrintProcessors)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpGetPrintProcessorDirectory)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpDeletePrintProcessor)(LPWSTR, LPWSTR, LPWSTR);
DWORD (WINAPI *fpEnumPrintProcessorDatatypes)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpStartDocPrinter)(HANDLE, DWORD, LPBYTE);
DWORD (WINAPI *fpStartPagePrinter)(HANDLE);
DWORD (WINAPI *fpWritePrinter)(HANDLE, LPVOID, DWORD, LPDWORD);
DWORD (WINAPI *fpEndPagePrinter)(HANDLE);
DWORD (WINAPI *fpAbortPrinter)(HANDLE);
DWORD (WINAPI *fpReadPrinter)(HANDLE, LPVOID, DWORD, LPDWORD);
DWORD (WINAPI *fpEndDocPrinter)(HANDLE);
DWORD (WINAPI *fpAddJob)(HANDLE, DWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpScheduleJob)(HANDLE, DWORD);
DWORD (WINAPI *fpGetPrinterData)(HANDLE, LPWSTR, LPDWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpSetPrinterData)(HANDLE, LPWSTR, DWORD, LPBYTE, DWORD);
DWORD (WINAPI *fpWaitForPrinterChange)(HANDLE, DWORD);
DWORD (WINAPI *fpClosePrinter)(HANDLE);
DWORD (WINAPI *fpAddForm)(HANDLE, DWORD, LPBYTE);
DWORD (WINAPI *fpDeleteForm)(HANDLE, LPWSTR);
DWORD (WINAPI *fpGetForm)(HANDLE, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpSetForm)(HANDLE, LPWSTR, DWORD, LPBYTE);
DWORD (WINAPI *fpEnumForms)(HANDLE, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpEnumMonitors)(LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpEnumPorts)(LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpAddPort)(LPWSTR, HWND, LPWSTR);
DWORD (WINAPI *fpConfigurePort)(LPWSTR, HWND, LPWSTR);
DWORD (WINAPI *fpDeletePort)(LPWSTR, HWND, LPWSTR);
HANDLE (WINAPI *fpCreatePrinterIC)(HANDLE, LPDEVMODEW);
DWORD (WINAPI *fpPlayGdiScriptOnPrinterIC)(HANDLE, LPBYTE, DWORD, LPBYTE, DWORD, DWORD);
DWORD (WINAPI *fpDeletePrinterIC)(HANDLE);
DWORD (WINAPI *fpAddPrinterConnection)(LPWSTR);
DWORD (WINAPI *fpDeletePrinterConnection)(LPWSTR);
DWORD (WINAPI *fpPrinterMessageBox)(HANDLE, DWORD, HWND, LPWSTR, LPWSTR, DWORD);
DWORD (WINAPI *fpAddMonitor)(LPWSTR, DWORD, LPBYTE);
DWORD (WINAPI *fpDeleteMonitor)(LPWSTR, LPWSTR, LPWSTR);
DWORD (WINAPI *fpResetPrinter)(HANDLE, LPPRINTER_DEFAULTSW);
DWORD (WINAPI *fpGetPrinterDriverEx)(HANDLE, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, DWORD, DWORD, PDWORD, PDWORD);
HANDLE (WINAPI *fpFindFirstPrinterChangeNotification)(HANDLE, DWORD, DWORD, LPVOID);
DWORD (WINAPI *fpFindClosePrinterChangeNotification)(HANDLE);
DWORD (WINAPI *fpAddPortEx)(HANDLE, LPWSTR, DWORD, LPBYTE, LPWSTR);
DWORD (WINAPI *fpShutDown)(LPVOID);
DWORD (WINAPI *fpRefreshPrinterChangeNotification)(HANDLE, DWORD, PVOID, PVOID);
DWORD (WINAPI *fpOpenPrinterEx)(LPWSTR, LPHANDLE, LPPRINTER_DEFAULTSW, LPBYTE, DWORD);
HANDLE (WINAPI *fpAddPrinterEx)(LPWSTR, DWORD, LPBYTE, LPBYTE, DWORD);
DWORD (WINAPI *fpSetPort)(LPWSTR, LPWSTR, DWORD, LPBYTE);
DWORD (WINAPI *fpEnumPrinterData)(HANDLE, DWORD, LPWSTR, DWORD, LPDWORD, LPDWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpDeletePrinterData)(HANDLE, LPWSTR);
DWORD (WINAPI *fpClusterSplOpen)(LPCWSTR, LPCWSTR, PHANDLE, LPCWSTR, LPCWSTR);
DWORD (WINAPI *fpClusterSplClose)(HANDLE);
DWORD (WINAPI *fpClusterSplIsAlive)(HANDLE);
DWORD (WINAPI *fpSetPrinterDataEx)(HANDLE, LPCWSTR, LPCWSTR, DWORD, LPBYTE, DWORD);
DWORD (WINAPI *fpGetPrinterDataEx)(HANDLE, LPCWSTR, LPCWSTR, LPDWORD, LPBYTE, DWORD, LPDWORD);
DWORD (WINAPI *fpEnumPrinterDataEx)(HANDLE, LPCWSTR, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpEnumPrinterKey)(HANDLE, LPCWSTR, LPWSTR, DWORD, LPDWORD);
DWORD (WINAPI *fpDeletePrinterDataEx)(HANDLE, LPCWSTR, LPCWSTR);
DWORD (WINAPI *fpDeletePrinterKey)(HANDLE hPrinter, LPCWSTR pKeyName);
DWORD (WINAPI *fpSeekPrinter)(HANDLE, LARGE_INTEGER, PLARGE_INTEGER, DWORD, BOOL);
DWORD (WINAPI *fpDeletePrinterDriverEx)(LPWSTR, LPWSTR, LPWSTR, DWORD, DWORD);
DWORD (WINAPI *fpAddPerMachineConnection)(LPCWSTR, LPCWSTR, LPCWSTR, LPCWSTR);
DWORD (WINAPI *fpDeletePerMachineConnection)(LPCWSTR, LPCWSTR);
DWORD (WINAPI *fpEnumPerMachineConnections)(LPCWSTR, LPBYTE, DWORD, LPDWORD, LPDWORD);
DWORD (WINAPI *fpXcvData)(HANDLE, LPCWSTR, PBYTE, DWORD, PBYTE, DWORD, PDWORD, PDWORD);
DWORD (WINAPI *fpAddPrinterDriverEx)(LPWSTR, DWORD, LPBYTE, DWORD);
DWORD (WINAPI *fpSplReadPrinter)(HANDLE, LPBYTE *, DWORD);
DWORD (WINAPI *fpDriverUnloadComplete)(LPWSTR);
DWORD (WINAPI *fpGetSpoolFileInfo)(HANDLE, LPWSTR *, LPHANDLE, HANDLE, HANDLE);
DWORD (WINAPI *fpCommitSpoolData)(HANDLE, DWORD);
DWORD (WINAPI *fpCloseSpoolFileHandle)(HANDLE);
DWORD (WINAPI *fpFlushPrinter)(HANDLE, LPBYTE, DWORD, LPDWORD, DWORD);
DWORD (WINAPI *fpSendRecvBidiData)(HANDLE, LPCWSTR, LPBIDI_REQUEST_CONTAINER, LPBIDI_RESPONSE_CONTAINER *);
DWORD (WINAPI *fpAddDriverCatalog)(HANDLE, DWORD, VOID *, DWORD);
/* Private Data */
HMODULE dll;
LPWSTR dllname;
LPWSTR name;
LPWSTR regroot;
DWORD index;
} backend_t;
/* ################################ */
static backend_t *backend[MAX_BACKEND];
static DWORD used_backends = 0;
static CRITICAL_SECTION backend_cs;
static CRITICAL_SECTION_DEBUG backend_cs_debug =
{
0, 0, &backend_cs,
{ &backend_cs_debug.ProcessLocksList, &backend_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": backend_cs") }
};
static CRITICAL_SECTION backend_cs = { &backend_cs_debug, -1, 0, 0, 0, 0 };
/* ################################ */
static WCHAR localsplW[] = {'l','o','c','a','l','s','p','l','.','d','l','l',0};
/******************************************************************
* strdupW [internal]
*
* create a copy of a unicode-string
*
*/
static LPWSTR strdupW(LPCWSTR p)
{
LPWSTR ret;
DWORD len;
if(!p) return NULL;
len = (lstrlenW(p) + 1) * sizeof(WCHAR);
ret = heap_alloc(len);
memcpy(ret, p, len);
return ret;
}
/******************************************************************
* backend_unload_all [internal]
*
* unload all backends
*/
void backend_unload_all(void)
{
EnterCriticalSection(&backend_cs);
while (used_backends > 0) {
used_backends--;
FreeLibrary(backend[used_backends]->dll);
heap_free(backend[used_backends]->dllname);
heap_free(backend[used_backends]->name);
heap_free(backend[used_backends]->regroot);
heap_free(backend[used_backends]);
backend[used_backends] = NULL;
}
LeaveCriticalSection(&backend_cs);
}
/******************************************************************************
* backend_load [internal]
*
* load and init a backend
*
* PARAMS
* name [I] Printprovider to use for the backend. NULL for the local print provider
*
* RETURNS
* Success: PTR to the backend
* Failure: NULL
*
*/
static backend_t * backend_load(LPWSTR dllname, LPWSTR name, LPWSTR regroot)
{
BOOL (WINAPI *pInitializePrintProvidor)(LPPRINTPROVIDOR, DWORD, LPWSTR);
DWORD id;
DWORD res;
TRACE("(%s, %s, %s)\n", debugstr_w(dllname), debugstr_w(name), debugstr_w(regroot));
EnterCriticalSection(&backend_cs);
id = used_backends;
backend[id] = heap_alloc_zero(sizeof(backend_t));
if (!backend[id]) {
LeaveCriticalSection(&backend_cs);
return NULL;
}
backend[id]->dllname = strdupW(dllname);
backend[id]->name = strdupW(name);
backend[id]->regroot = strdupW(regroot);
backend[id]->dll = LoadLibraryW(dllname);
if (backend[id]->dll) {
pInitializePrintProvidor = (void *) GetProcAddress(backend[id]->dll, "InitializePrintProvidor");
if (pInitializePrintProvidor) {
/* native localspl does not clear unused entries */
res = pInitializePrintProvidor((PRINTPROVIDOR *) backend[id], sizeof(PRINTPROVIDOR), regroot);
if (res) {
used_backends++;
backend[id]->index = used_backends;
LeaveCriticalSection(&backend_cs);
TRACE("--> backend #%d: %p (%s)\n", id, backend[id], debugstr_w(dllname));
return backend[id];
}
}
FreeLibrary(backend[id]->dll);
}
heap_free(backend[id]->dllname);
heap_free(backend[id]->name);
heap_free(backend[id]->regroot);
heap_free(backend[id]);
backend[id] = NULL;
LeaveCriticalSection(&backend_cs);
WARN("failed to init %s: %u\n", debugstr_w(dllname), GetLastError());
return NULL;
}
/******************************************************************************
* backend_load_all [internal]
*
* load and init all backends
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
*/
BOOL backend_load_all(void)
{
static BOOL failed = FALSE;
backend_t * pb;
EnterCriticalSection(&backend_cs);
/* if we failed before, don't try again */
if (!failed && (used_backends == 0)) {
pb = backend_load(localsplW, NULL, NULL);
/* ToDo: parse the registry and load all other backends */
failed = (used_backends == 0);
}
LeaveCriticalSection(&backend_cs);
TRACE("-> %d\n", !failed);
return (!failed);
}
/******************************************************************************
* backend_first [internal]
*
* find the first usable backend
*
* RETURNS
* Success: PTR to the backend
* Failure: NULL
*
*/
static backend_t * backend_first(LPWSTR name)
{
EnterCriticalSection(&backend_cs);
/* Load all backends, when not done yet */
if (used_backends || backend_load_all()) {
/* test for the local system first */
if (!name || !name[0]) {
LeaveCriticalSection(&backend_cs);
return backend[0];
}
}
FIXME("server %s not supported in %d backends\n", debugstr_w(name), used_backends);
LeaveCriticalSection(&backend_cs);
return NULL;
}
/******************************************************************
* AddMonitorW (spoolss.@)
*
* Install a Printmonitor
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* Level [I] Structure-Level (Must be 2)
* pMonitors [I] PTR to MONITOR_INFO_2
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* All Files for the Monitor must already be copied to %winsysdir% ("%SystemRoot%\system32")
*
*/
BOOL WINAPI AddMonitorW(LPWSTR pName, DWORD Level, LPBYTE pMonitors)
{
backend_t * pb;
DWORD res = ROUTER_UNKNOWN;
TRACE("(%s, %d, %p)\n", debugstr_w(pName), Level, pMonitors);
if (Level != 2) {
SetLastError(ERROR_INVALID_LEVEL);
return FALSE;
}
pb = backend_first(pName);
if (pb && pb->fpAddMonitor)
res = pb->fpAddMonitor(pName, Level, pMonitors);
else
{
SetLastError(ERROR_PROC_NOT_FOUND);
}
TRACE("got %u with %u\n", res, GetLastError());
return (res == ROUTER_SUCCESS);
}
/******************************************************************
* AddPrinterDriverExW (spoolss.@)
*
* Install a Printer Driver with the Option to upgrade / downgrade the Files
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* level [I] Level for the supplied DRIVER_INFO_*W struct
* pDriverInfo [I] PTR to DRIVER_INFO_*W struct with the Driver Parameter
* dwFileCopyFlags [I] How to Copy / Upgrade / Downgrade the needed Files
*
* RESULTS
* Success: TRUE
* Failure: FALSE
*
*/
BOOL WINAPI AddPrinterDriverExW(LPWSTR pName, DWORD level, LPBYTE pDriverInfo, DWORD dwFileCopyFlags)
{
backend_t * pb;
DWORD res = ROUTER_UNKNOWN;
TRACE("(%s, %d, %p, 0x%x)\n", debugstr_w(pName), level, pDriverInfo, dwFileCopyFlags);
if (!pDriverInfo) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
pb = backend_first(pName);
if (pb && pb->fpAddPrinterDriverEx)
res = pb->fpAddPrinterDriverEx(pName, level, pDriverInfo, dwFileCopyFlags);
else
{
SetLastError(ERROR_PROC_NOT_FOUND);
}
TRACE("got %u with %u\n", res, GetLastError());
return (res == ROUTER_SUCCESS);
}
/******************************************************************
* DeleteMonitorW (spoolss.@)
*
* Delete a specific Printmonitor from a Printing-Environment
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* pEnvironment [I] Printing-Environment of the Monitor or NULL (Default)
* pMonitorName [I] Name of the Monitor, that should be deleted
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
*/
BOOL WINAPI DeleteMonitorW(LPWSTR pName, LPWSTR pEnvironment, LPWSTR pMonitorName)
{
backend_t * pb;
DWORD res = ROUTER_UNKNOWN;
TRACE("(%s, %s, %s)\n", debugstr_w(pName), debugstr_w(pEnvironment), debugstr_w(pMonitorName));
pb = backend_first(pName);
if (pb && pb->fpDeleteMonitor)
res = pb->fpDeleteMonitor(pName, pEnvironment, pMonitorName);
else
{
SetLastError(ERROR_PROC_NOT_FOUND);
}
TRACE("got %u with %u\n", res, GetLastError());
return (res == ROUTER_SUCCESS);
}
/******************************************************************
* EnumMonitorsW (spoolss.@)
*
* Enumerate available Port-Monitors
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* Level [I] Structure-Level
* pMonitors [O] PTR to Buffer that receives the Result
* cbBuf [I] Size of Buffer at pMonitors
* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pMonitors
* pcReturned [O] PTR to DWORD that receives the number of Monitors in pMonitors
*
* RETURNS
* Success: TRUE
* Failure: FALSE and in pcbNeeded the Bytes required for pMonitors, if cbBuf is too small
*
*/
BOOL WINAPI EnumMonitorsW(LPWSTR pName, DWORD Level, LPBYTE pMonitors, DWORD cbBuf,
LPDWORD pcbNeeded, LPDWORD pcReturned)
{
backend_t * pb;
DWORD res = ROUTER_UNKNOWN;
TRACE("(%s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), Level, pMonitors,
cbBuf, pcbNeeded, pcReturned);
if (pcbNeeded) *pcbNeeded = 0;
if (pcReturned) *pcReturned = 0;
pb = backend_first(pName);
if (pb && pb->fpEnumMonitors)
res = pb->fpEnumMonitors(pName, Level, pMonitors, cbBuf, pcbNeeded, pcReturned);
else
{
SetLastError(ERROR_PROC_NOT_FOUND);
}
TRACE("got %u with %u (%u byte for %u entries)\n\n", res, GetLastError(),
pcbNeeded ? *pcbNeeded : 0, pcReturned ? *pcReturned : 0);
return (res == ROUTER_SUCCESS);
}
/******************************************************************
* EnumPortsW (spoolss.@)
*
* Enumerate available Ports
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* Level [I] Structure-Level (1 or 2)
* pPorts [O] PTR to Buffer that receives the Result
* cbBuf [I] Size of Buffer at pPorts
* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pPorts
* pcReturned [O] PTR to DWORD that receives the number of Ports in pPorts
*
* RETURNS
* Success: TRUE
* Failure: FALSE and in pcbNeeded the Bytes required for pPorts, if cbBuf is too small
*
*/
BOOL WINAPI EnumPortsW(LPWSTR pName, DWORD Level, LPBYTE pPorts, DWORD cbBuf,
LPDWORD pcbNeeded, LPDWORD pcReturned)
{
backend_t * pb;
DWORD res = ROUTER_UNKNOWN;
TRACE("(%s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), Level, pPorts, cbBuf,
pcbNeeded, pcReturned);
if (pcbNeeded) *pcbNeeded = 0;
if (pcReturned) *pcReturned = 0;
pb = backend_first(pName);
if (pb && pb->fpEnumPorts)
res = pb->fpEnumPorts(pName, Level, pPorts, cbBuf, pcbNeeded, pcReturned);
else
{
SetLastError(ERROR_PROC_NOT_FOUND);
}
TRACE("got %u with %u (%u byte for %u entries)\n", res, GetLastError(),
pcbNeeded ? *pcbNeeded : 0, pcReturned ? *pcReturned : 0);
return (res == ROUTER_SUCCESS);
}
/******************************************************************
* GetPrinterDriverDirectoryW (spoolss.@)
*
* Return the PATH for the Printer-Drivers
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* pEnvironment [I] Printing-Environment or NULL (Default)
* Level [I] Structure-Level (must be 1)
* pDriverDirectory [O] PTR to Buffer that receives the Result
* cbBuf [I] Size of Buffer at pDriverDirectory
* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used /
* required for pDriverDirectory
*
* RETURNS
* Success: TRUE and in pcbNeeded the Bytes used in pDriverDirectory
* Failure: FALSE and in pcbNeeded the Bytes required for pDriverDirectory,
* if cbBuf is too small
*
* Native Values returned in pDriverDirectory on Success:
*| NT(Windows NT x86): "%winsysdir%\\spool\\DRIVERS\\w32x86"
*| NT(Windows x64): "%winsysdir%\\spool\\DRIVERS\\x64"
*| NT(Windows 4.0): "%winsysdir%\\spool\\DRIVERS\\win40"
*| win9x(Windows 4.0): "%winsysdir%"
*
* "%winsysdir%" is the Value from GetSystemDirectoryW()
*
*/
BOOL WINAPI GetPrinterDriverDirectoryW(LPWSTR pName, LPWSTR pEnvironment,
DWORD Level, LPBYTE pDriverDirectory, DWORD cbBuf, LPDWORD pcbNeeded)
{
backend_t * pb;
DWORD res = ROUTER_UNKNOWN;
TRACE("(%s, %s, %d, %p, %d, %p)\n", debugstr_w(pName),
debugstr_w(pEnvironment), Level, pDriverDirectory, cbBuf, pcbNeeded);
if (pcbNeeded) *pcbNeeded = 0;
pb = backend_first(pName);
if (pb && pb->fpGetPrinterDriverDirectory)
res = pb->fpGetPrinterDriverDirectory(pName, pEnvironment, Level,
pDriverDirectory, cbBuf, pcbNeeded);
else
{
SetLastError(ERROR_PROC_NOT_FOUND);
}
TRACE("got %u with %u (%u byte)\n",
res, GetLastError(), pcbNeeded ? *pcbNeeded : 0);
return (res == ROUTER_SUCCESS);
}