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twain_32: Fix loading of TWAIN source modules. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-10-29 09:58:38 +02:00
parent 8f70855f88
commit 1dd462b62c
1 changed files with 16 additions and 19 deletions
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35
dlls/twain_32/dsm_ctrl.c
View File

@ -40,7 +40,7 @@ static HWND DSM_parent;
static UINT event_message;
struct all_devices {
char *modname;
WCHAR *modname;
TW_IDENTITY identity;
};
@ -48,21 +48,23 @@ static int nrdevices = 0;
static struct all_devices *devices = NULL;
static void
twain_add_onedriver(const char *dsname) {
twain_add_onedriver(const WCHAR *dsname) {
HMODULE hmod;
DSENTRYPROC dsEntry;
TW_IDENTITY fakeOrigin;
TW_IDENTITY sourceId;
TW_UINT16 ret;
WCHAR path[MAX_PATH];
hmod = LoadLibraryA(dsname);
swprintf( path, MAX_PATH, L"c:\\windows\\twain_%u\\%s", sizeof(void *) * 8, dsname );
hmod = LoadLibraryW(path);
if (!hmod) {
ERR("Failed to load TWAIN Source %s\n", debugstr_a(dsname));
ERR("Failed to load TWAIN Source %s\n", debugstr_w(path));
return;
}
dsEntry = (DSENTRYPROC)GetProcAddress(hmod, "DS_Entry");
if (!dsEntry) {
ERR("Failed to find DS_Entry() in TWAIN DS %s\n", debugstr_a(dsname));
ERR("Failed to find DS_Entry() in TWAIN DS %s\n", debugstr_w(path));
return;
}
/* Loop to do multiple detects, mostly for sane.ds and gphoto2.ds */
@ -87,12 +89,8 @@ twain_add_onedriver(const char *dsname) {
}
if (i < nrdevices)
break;
if (nrdevices)
devices = HeapReAlloc(GetProcessHeap(), 0, devices, sizeof(devices[0])*(nrdevices+1));
else
devices = HeapAlloc(GetProcessHeap(), 0, sizeof(devices[0]));
if ((devices[nrdevices].modname = HeapAlloc(GetProcessHeap(), 0, strlen(dsname) + 1)))
lstrcpyA(devices[nrdevices].modname, dsname);
devices = realloc( devices, sizeof(devices[0])*(nrdevices+1) );
devices[nrdevices].modname = wcsdup( path );
devices[nrdevices].identity = sourceId;
nrdevices++;
DSM_sourceId++;
@ -107,12 +105,12 @@ twain_autodetect(void) {
if (detectionrun) return;
detectionrun = TRUE;
twain_add_onedriver("sane.ds");
twain_add_onedriver("gphoto2.ds");
twain_add_onedriver(L"sane.ds");
twain_add_onedriver(L"gphoto2.ds");
#if 0
twain_add_onedriver("c:\\windows\\Twain_32\\Largan\\sp503a.ds");
twain_add_onedriver("c:\\windows\\Twain_32\\vivicam10\\vivicam10.ds");
twain_add_onedriver("c:\\windows\\Twain_32\\ws30slim\\sp500a.ds");
twain_add_onedriver(L"Largan\\sp503a.ds");
twain_add_onedriver(L"vivicam10\\vivicam10.ds");
twain_add_onedriver(L"ws30slim\\sp500a.ds");
#endif
}
@ -282,7 +280,6 @@ TW_UINT16 TWAIN_OpenDS (pTW_IDENTITY pOrigin, TW_MEMREF pData)
TW_UINT16 i = 0;
pTW_IDENTITY pIdentity = (pTW_IDENTITY) pData;
activeDS *newSource;
const char *modname = NULL;
HMODULE hmod;
TRACE("DG_CONTROL/DAT_IDENTITY/MSG_OPENDS\n");
@ -315,9 +312,9 @@ TW_UINT16 TWAIN_OpenDS (pTW_IDENTITY pOrigin, TW_MEMREF pData)
FIXME("Out of memory.\n");
return TWRC_FAILURE;
}
hmod = LoadLibraryA(devices[i].modname);
hmod = LoadLibraryW(devices[i].modname);
if (!hmod) {
ERR("Failed to load TWAIN Source %s\n", debugstr_a(modname));
ERR("Failed to load TWAIN Source %s\n", debugstr_w(devices[i].modname));
DSM_twCC = TWCC_OPERATIONERROR;
HeapFree(GetProcessHeap(), 0, newSource);
return TWRC_FAILURE;