Sweden-Number/dlls/ctapi32/ctapi32.c

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/*
* WINE ct-api wrapper
*
* Copyright 2007 Christian Eggers
*
* 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 <string.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winnls.h"
#include "unixlib.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ctapi32);
#define FALLBACK_LIBCTAPI "libctapi.so"
static unixlib_handle_t ctapi_handle;
#define CTAPI_CALL( func, params ) __wine_unix_call( ctapi_handle, unix_ ## func, params )
static BOOL load_functions(void) {
char soname[MAX_PATH] = FALLBACK_LIBCTAPI;
LONG result;
HKEY key_handle;
/* Try to get name of low level library from registry */
/* @@ Wine registry key: HKCU\Software\Wine\ctapi32 */
result = RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Wine\\ctapi32", 0, KEY_READ, &key_handle);
if (result == ERROR_SUCCESS) {
DWORD type, size;
WCHAR buffer_w[MAX_PATH];
size = sizeof(buffer_w) - sizeof(WCHAR); /* Leave space for null termination */
result = RegQueryValueExW(key_handle, L"library", NULL, &type, (LPBYTE)buffer_w, &size);
if ((result == ERROR_SUCCESS) && (type == REG_SZ)) {
/* Null termination */
buffer_w[size / sizeof(WCHAR)] = '\0';
WideCharToMultiByte(CP_UNIXCP, 0, buffer_w, -1, soname, sizeof(soname), NULL, NULL);
}
RegCloseKey(key_handle);
}
TRACE("Loading library '%s'\n", soname);
if (!CTAPI_CALL( attach, soname )) return TRUE;
MESSAGE("Wine cannot find any usable hardware library, ctapi32.dll not working.\n");
MESSAGE("Please create the key \"HKEY_CURRENT_USER\\Software\\Wine\\ctapi32\" in your registry\n");
MESSAGE("and set the value \"library\" to your library name (e.g. \"libctapi-cyberjack.so.1\" or \"/usr/lib/readers/libctapi.so\").\n");
return FALSE;
}
/*
* ct-API specific functions
*/
IS8 WINAPI CT_init(IU16 ctn, IU16 pn)
{
struct ct_init_params params = { ctn, pn };
return CTAPI_CALL( ct_init, &params );
}
IS8 WINAPI CT_data(IU16 ctn, IU8 *dad, IU8 *sad, IU16 lenc, IU8 *command, IU16 *lenr, IU8 *response)
{
struct ct_data_params params = { ctn, dad, sad, lenc, command, lenr, response };
return CTAPI_CALL( ct_data, &params );
}
IS8 WINAPI CT_close(IU16 ctn)
{
struct ct_close_params params = { ctn };
return CTAPI_CALL( ct_close, &params );
}
/*
* Dll Main function
*/
BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
TRACE("%p,%x,%p\n", hinstDLL, fdwReason, lpvReserved);
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hinstDLL);
if (NtQueryVirtualMemory( GetCurrentProcess(), hinstDLL, MemoryWineUnixFuncs,
&ctapi_handle, sizeof(ctapi_handle), NULL ))
return FALSE;
if (!load_functions())
return FALSE;
break;
case DLL_PROCESS_DETACH:
if (lpvReserved) break;
CTAPI_CALL( detach, NULL );
break;
}
return TRUE;
}