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setupapi: Get rid of the redundant cDevices parameter to struct device. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-12-03 23:36:15 -06:00 committed by Alexandre Julliard
parent d6a504eaf0
commit ac1d89fa13
1 changed files with 14 additions and 31 deletions
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45
dlls/setupapi/devinst.c
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@ -104,7 +104,6 @@ struct DeviceInfoSet
DWORD magic; /* if is equal to SETUP_DEVICE_INFO_SET_MAGIC struct is okay */ DWORD magic; /* if is equal to SETUP_DEVICE_INFO_SET_MAGIC struct is okay */
GUID ClassGuid; GUID ClassGuid;
HWND hwndParent; HWND hwndParent;
DWORD cDevices;
struct list devices; struct list devices;
}; };
@ -670,7 +669,6 @@ static struct device *SETUPDI_CreateDeviceInfo(struct DeviceInfoSet *set,
device->devnode = alloc_devnode(device); device->devnode = alloc_devnode(device);
device->removed = FALSE; device->removed = FALSE;
list_add_tail(&set->devices, &device->entry); list_add_tail(&set->devices, &device->entry);
set->cDevices++;
SETUPDI_GuidToString(class, guidstr); SETUPDI_GuidToString(class, guidstr);
SETUPDI_SetDeviceRegistryPropertyW(device, SPDRP_CLASSGUID, SETUPDI_SetDeviceRegistryPropertyW(device, SPDRP_CLASSGUID,
@ -1289,7 +1287,6 @@ SetupDiCreateDeviceInfoListExW(const GUID *ClassGuid,
memcpy(&list->ClassGuid, memcpy(&list->ClassGuid,
ClassGuid ? ClassGuid : &GUID_NULL, ClassGuid ? ClassGuid : &GUID_NULL,
sizeof(list->ClassGuid)); sizeof(list->ClassGuid));
list->cDevices = 0;
list_init(&list->devices); list_init(&list->devices);
return list; return list;
@ -1475,7 +1472,7 @@ BOOL WINAPI SetupDiCreateDeviceInfoW(HDEVINFO devinfo, const WCHAR *name, const
if ((flags & DICD_GENERATE_ID)) if ((flags & DICD_GENERATE_ID))
{ {
static const WCHAR formatW[] = {'R','O','O','T','\\','%','s','\\','%','0','4','d',0}; static const WCHAR formatW[] = {'R','O','O','T','\\','%','s','\\','%','0','4','d',0};
DWORD devId; int instance_id, highest_id = -1;
if (strchrW(name, '\\')) if (strchrW(name, '\\'))
{ {
@ -1483,29 +1480,20 @@ BOOL WINAPI SetupDiCreateDeviceInfoW(HDEVINFO devinfo, const WCHAR *name, const
return FALSE; return FALSE;
} }
if (set->cDevices) LIST_FOR_EACH_ENTRY(device, &set->devices, struct device, entry)
{ {
DWORD highestDevID = 0; const WCHAR *instance_str = strrchrW(device->instanceId, '\\');
LIST_FOR_EACH_ENTRY(device, &set->devices, struct device, entry) if (instance_str)
{ instance_str++;
const WCHAR *devName = strrchrW(device->instanceId, '\\'); else
DWORD id; instance_str = device->instanceId;
instance_id = SETUPDI_DevNameToDevID(instance_str);
if (devName) if (instance_id != 0xffffffff && instance_id > highest_id)
devName++; highest_id = instance_id;
else
devName = device->instanceId;
id = SETUPDI_DevNameToDevID(devName);
if (id != 0xffffffff && id > highestDevID)
highestDevID = id;
}
devId = highestDevID + 1;
} }
else
devId = 0;
if (snprintfW(id, ARRAY_SIZE(id), formatW, name, devId) == -1) if (snprintfW(id, ARRAY_SIZE(id), formatW, name, highest_id + 1) == -1)
{ {
SetLastError(ERROR_INVALID_DEVINST_NAME); SetLastError(ERROR_INVALID_DEVINST_NAME);
return FALSE; return FALSE;
@ -1646,22 +1634,17 @@ BOOL WINAPI SetupDiEnumDeviceInfo(HDEVINFO devinfo, DWORD index, SP_DEVINFO_DATA
return FALSE; return FALSE;
} }
if (index >= set->cDevices)
{
SetLastError(ERROR_NO_MORE_ITEMS);
return FALSE;
}
LIST_FOR_EACH_ENTRY(device, &set->devices, struct device, entry) LIST_FOR_EACH_ENTRY(device, &set->devices, struct device, entry)
{ {
if (i++ == index) if (i++ == index)
{ {
copy_device_data(device_data, device); copy_device_data(device_data, device);
break; return TRUE;
} }
} }
return TRUE; SetLastError(ERROR_NO_MORE_ITEMS);
return FALSE;
} }
/*********************************************************************** /***********************************************************************