4 * Copyright 2007 Christian Eggers
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
24 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(ctapi32
);
32 #define FALLBACK_LIBCTAPI "libctapi.so"
33 static const WCHAR value_name
[] = {'l','i','b','r','a','r','y',0};
36 static IS8 (*pCT_init
)(IU16 ctn
, IU16 pn
) = NULL
;
37 static IS8 (*pCT_data
)(IU16 ctn
, IU8
*dad
, IU8
*sad
, IU16 lenc
, IU8
*command
,
38 IU16
*lenr
, IU8
*response
) = NULL
;
39 static IS8 (*pCT_close
)(IU16 ctn
) = NULL
;
41 static void *ctapi_handle
= NULL
;
44 static BOOL
load_functions(void) {
45 char soname
[MAX_PATH
] = FALLBACK_LIBCTAPI
, buffer
[MAX_PATH
];
49 if (pCT_init
) /* loaded already */
52 /* Try to get name of low level library from registry */
53 /* @@ Wine registry key: HKCU\Software\Wine\ctapi32 */
54 result
= RegOpenKeyExA(HKEY_CURRENT_USER
, "Software\\Wine\\ctapi32", 0, KEY_READ
, &key_handle
);
55 if (result
== ERROR_SUCCESS
) {
57 WCHAR buffer_w
[MAX_PATH
];
59 size
= sizeof(buffer_w
) - sizeof(WCHAR
); /* Leave space for null termination */
60 result
= RegQueryValueExW(key_handle
, value_name
, NULL
, &type
, (LPBYTE
)buffer_w
, &size
);
61 if ((result
== ERROR_SUCCESS
) && (type
== REG_SZ
)) {
64 /* Null termination */
65 buffer_w
[size
/ sizeof(WCHAR
)] = '\0';
66 len
= WideCharToMultiByte(CP_UNIXCP
, 0, buffer_w
, -1, buffer
, sizeof(buffer
), NULL
, NULL
);
68 memcpy(soname
, buffer
, len
);
70 RegCloseKey(key_handle
);
73 TRACE("Loading library '%s'\n", soname
);
74 ctapi_handle
= dlopen(soname
, RTLD_NOW
);
76 TRACE("Successfully loaded '%s'\n", soname
);
79 MESSAGE("Wine cannot find any usable hardware library, ctapi32.dll not working.\n");
80 MESSAGE("Please create the key \"HKEY_CURRENT_USER\\Software\\Wine\\ctapi32\" in your registry\n");
81 MESSAGE("and set the value \"library\" to your library name (e.g. \"libctapi-cyberjack.so.1\" or \"/usr/lib/readers/libctapi.so\").\n");
85 #define LOAD_FUNCPTR(f) if((p##f = dlsym(ctapi_handle, #f)) == NULL){WARN("Can't find symbol %s\n", #f); return FALSE;}
86 LOAD_FUNCPTR(CT_init
);
87 LOAD_FUNCPTR(CT_data
);
88 LOAD_FUNCPTR(CT_close
);
95 * ct-API specific functions
98 IS8 WINAPI
WIN_CT_init(IU16 ctn
, IU16 pn
)
102 return pCT_init(ctn
, pn
);
105 IS8 WINAPI
WIN_CT_data(IU16 ctn
, IU8
*dad
, IU8
*sad
, IU16 lenc
, IU8
*command
, IU16
*lenr
, IU8
*response
)
109 return pCT_data(ctn
, dad
, sad
, lenc
, command
, lenr
, response
);
112 IS8 WINAPI
WIN_CT_close(IU16 ctn
)
116 return pCT_close(ctn
);
122 BOOL WINAPI
DllMain (HINSTANCE hinstDLL
, DWORD fdwReason
, LPVOID lpvReserved
)
124 TRACE("%p,%x,%p\n", hinstDLL
, fdwReason
, lpvReserved
);
128 case DLL_PROCESS_ATTACH
:
129 DisableThreadLibraryCalls(hinstDLL
);
130 /* Try to load low-level library */
131 if (!load_functions())
132 return FALSE
; /* error */
134 case DLL_PROCESS_DETACH
:
135 if (lpvReserved
) break;
136 if (ctapi_handle
) dlclose(ctapi_handle
);