forked from Mirrors/wine-wine
132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/******************************************************************************
|
|
* Print Spooler Functions
|
|
*
|
|
*
|
|
* Copyright 1999 Thuy Nguyen
|
|
*
|
|
* 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 "config.h"
|
|
#include <stdarg.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wingdi.h"
|
|
#include "winspool.h"
|
|
|
|
#include "winreg.h"
|
|
#include "ddk/winsplp.h"
|
|
#include "wine/debug.h"
|
|
|
|
#include "wspool.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(winspool);
|
|
|
|
/* ############################### */
|
|
|
|
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 };
|
|
|
|
/* ############################### */
|
|
|
|
HINSTANCE WINSPOOL_hInstance = NULL;
|
|
|
|
static HMODULE hlocalspl = NULL;
|
|
static BOOL (WINAPI *pInitializePrintProvidor)(LPPRINTPROVIDOR, DWORD, LPWSTR);
|
|
|
|
PRINTPROVIDOR * backend = NULL;
|
|
|
|
/******************************************************************************
|
|
* load_backend [internal]
|
|
*
|
|
* load and init our backend (the local printprovider: "localspl.dll")
|
|
*
|
|
* PARAMS
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE and RPC_S_SERVER_UNAVAILABLE
|
|
*
|
|
* NOTES
|
|
* In windows, winspool.drv use RPC to interact with the spooler service
|
|
* (spoolsv.exe with spoolss.dll) and the spooler router (spoolss.dll) interact
|
|
* with the correct printprovider (localspl.dll for the local system)
|
|
*
|
|
*/
|
|
BOOL load_backend(void)
|
|
{
|
|
static PRINTPROVIDOR mybackend;
|
|
DWORD res;
|
|
|
|
EnterCriticalSection(&backend_cs);
|
|
hlocalspl = LoadLibraryA("localspl.dll");
|
|
if (hlocalspl) {
|
|
pInitializePrintProvidor = (void *) GetProcAddress(hlocalspl, "InitializePrintProvidor");
|
|
if (pInitializePrintProvidor) {
|
|
|
|
/* native localspl does not clear unused entries */
|
|
memset(&mybackend, 0, sizeof(mybackend));
|
|
res = pInitializePrintProvidor(&mybackend, sizeof(mybackend), NULL);
|
|
if (res) {
|
|
backend = &mybackend;
|
|
LeaveCriticalSection(&backend_cs);
|
|
TRACE("backend: %p (%p)\n", backend, hlocalspl);
|
|
return TRUE;
|
|
}
|
|
}
|
|
FreeLibrary(hlocalspl);
|
|
}
|
|
|
|
LeaveCriticalSection(&backend_cs);
|
|
|
|
WARN("failed to load the backend: %u\n", GetLastError());
|
|
SetLastError(RPC_S_SERVER_UNAVAILABLE);
|
|
return FALSE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* DllMain
|
|
*
|
|
* Winspool entry point.
|
|
*
|
|
*/
|
|
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD reason, LPVOID lpReserved)
|
|
{
|
|
switch (reason)
|
|
{
|
|
case DLL_PROCESS_ATTACH: {
|
|
WINSPOOL_hInstance = hInstance;
|
|
DisableThreadLibraryCalls(hInstance);
|
|
WINSPOOL_LoadSystemPrinters();
|
|
break;
|
|
}
|
|
case DLL_PROCESS_DETACH:
|
|
if (lpReserved) break;
|
|
DeleteCriticalSection(&backend_cs);
|
|
FreeLibrary(hlocalspl);
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|