void dumpEffectDescriptor(effect_descriptor_t *desc, char *str, size_t len) {
char s[256];
snprintf(str, len, "\nEffect Descriptor %p:\n", desc);
strncat(str, "- TYPE: ", len);
uuidToString(&desc->uuid, s, 256);
snprintf(str, len, "- UUID: %s\n", s);
uuidToString(&desc->type, s, 256);
snprintf(str, len, "- TYPE: %s\n", s);
sprintf(s, "- apiVersion: %08X\n- flags: %08X\n",
desc->apiVersion, desc->flags);
strncat(str, s, len);
sprintf(s, "- name: %s\n", desc->name);
strncat(str, s, len);
sprintf(s, "- implementor: %s\n", desc->implementor);
strncat(str, s, len);
}
// This will find the library and UUID tags of the sub effect pointed by the
// node, gets the effect descriptor and lib_entry_t and adds the subeffect -
// sub_entry_t to the gSubEffectList
int addSubEffect(cnode *root)
{
ALOGV("addSubEffect");
cnode *node;
effect_uuid_t uuid;
effect_descriptor_t *d;
lib_entry_t *l;
list_elem_t *e;
node = config_find(root, LIBRARY_TAG);
if (node == NULL) {
return -EINVAL;
}
l = getLibrary(node->value);
if (l == NULL) {
ALOGW("addSubEffect() could not get library %s", node->value);
return -EINVAL;
}
node = config_find(root, UUID_TAG);
if (node == NULL) {
return -EINVAL;
}
if (stringToUuid(node->value, &uuid) != 0) {
ALOGW("addSubEffect() invalid uuid %s", node->value);
return -EINVAL;
}
d = malloc(sizeof(effect_descriptor_t));
if (l->desc->get_descriptor(&uuid, d) != 0) {
char s[40];
uuidToString(&uuid, s, 40);
ALOGW("Error querying effect %s on lib %s", s, l->name);
free(d);
return -EINVAL;
}
#if (LOG_NDEBUG==0)
char s[256];
dumpEffectDescriptor(d, s, 256);
ALOGV("addSubEffect() read descriptor %p:%s",d, s);
#endif
if (EFFECT_API_VERSION_MAJOR(d->apiVersion) !=
EFFECT_API_VERSION_MAJOR(EFFECT_CONTROL_API_VERSION)) {
ALOGW("Bad API version %08x on lib %s", d->apiVersion, l->name);
free(d);
return -EINVAL;
}
sub_effect_entry_t *sub_effect = malloc(sizeof(sub_effect_entry_t));
sub_effect->object = d;
// lib_entry_t is stored since the sub effects are not linked to the library
sub_effect->lib = l;
e = malloc(sizeof(list_elem_t));
e->object = sub_effect;
e->next = gSubEffectList->sub_elem;
gSubEffectList->sub_elem = e;
ALOGV("addSubEffect end");
return 0;
}
INT_PTR CALLBACK DlgPluginOpt(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case WM_INITDIALOG:
TranslateDialogDefault(hwndDlg);
timerID = 0;
{
HWND hwndList = GetDlgItem(hwndDlg, IDC_PLUGLIST);
mir_subclassWindow(hwndList, PluginListWndProc);
HIMAGELIST hIml = ImageList_Create(16, 16, ILC_MASK | ILC_COLOR32, 4, 0);
ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_UNICODE);
ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_ANSI);
ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_LOADED);
ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_NOTLOADED);
ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_LOADEDGRAY);
ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_NOTLOADEDGRAY);
ListView_SetImageList(hwndList, hIml, LVSIL_SMALL);
LVCOLUMN col;
col.mask = LVCF_TEXT | LVCF_WIDTH;
col.pszText = _T("");
col.cx = 40;
ListView_InsertColumn(hwndList, 0, &col);
col.pszText = TranslateT("Plugin");
col.cx = 180;
ListView_InsertColumn(hwndList, 1, &col);
col.pszText = TranslateT("Name");
col.cx = 180;//max = 220;
ListView_InsertColumn(hwndList, 2, &col);
col.pszText = TranslateT("Version");
col.cx = 75;
ListView_InsertColumn(hwndList, 3, &col);
ListView_SetExtendedListViewStyleEx(hwndList, 0, LVS_EX_SUBITEMIMAGES | LVS_EX_CHECKBOXES | LVS_EX_LABELTIP | LVS_EX_FULLROWSELECT);
// scan the plugin dir for plugins, cos
arPluginList.destroy();
szFilter.Empty();
enumPlugins(dialogListPlugins, (WPARAM)hwndDlg, (LPARAM)hwndList);
// sort out the headers
ListView_SetColumnWidth(hwndList, 1, LVSCW_AUTOSIZE); // dll name
int w = ListView_GetColumnWidth(hwndList, 1);
if (w > 110) {
ListView_SetColumnWidth(hwndList, 1, w = 110);
}
int max = w < 110 ? 189 + 110 - w : 189;
ListView_SetColumnWidth(hwndList, 3, LVSCW_AUTOSIZE); // short name
w = ListView_GetColumnWidth(hwndList, 2);
if (w > max)
ListView_SetColumnWidth(hwndList, 2, max);
ListView_SortItems(hwndList, SortPlugins, (LPARAM)hwndDlg);
}
return TRUE;
case WM_NOTIFY:
if (lParam) {
NMLISTVIEW *hdr = (NMLISTVIEW *)lParam;
if (hdr->hdr.code == LVN_ITEMCHANGED && IsWindowVisible(hdr->hdr.hwndFrom)) {
if (hdr->uOldState != 0 && (hdr->uNewState == 0x1000 || hdr->uNewState == 0x2000)) {
HWND hwndList = GetDlgItem(hwndDlg, IDC_PLUGLIST);
LVITEM it;
it.mask = LVIF_PARAM | LVIF_STATE;
it.iItem = hdr->iItem;
if (!ListView_GetItem(hwndList, &it))
break;
PluginListItemData *dat = (PluginListItemData*)it.lParam;
if (dat->flags & STATIC_PLUGIN) {
ListView_SetItemState(hwndList, hdr->iItem, 0x3000, LVIS_STATEIMAGEMASK);
return FALSE;
}
// find all another standard plugins by mask and disable them
if ((hdr->uNewState == 0x2000) && dat->stdPlugin != 0) {
for (int iRow = 0; iRow != -1; iRow = ListView_GetNextItem(hwndList, iRow, LVNI_ALL)) {
if (iRow != hdr->iItem) { // skip the plugin we're standing on
LVITEM dt;
dt.mask = LVIF_PARAM;
dt.iItem = iRow;
if (ListView_GetItem(hwndList, &dt)) {
PluginListItemData *dat2 = (PluginListItemData*)dt.lParam;
if (dat2->stdPlugin & dat->stdPlugin) {// mask differs
// the lParam is unset, so when the check is unset the clist block doesnt trigger
int iSave = dat2->stdPlugin;
dat2->stdPlugin = 0;
ListView_SetItemState(hwndList, iRow, 0x1000, LVIS_STATEIMAGEMASK);
dat2->stdPlugin = iSave;
}
}
}
}
}
if (bOldMode)
ShowWindow(GetDlgItem(hwndDlg, IDC_RESTART), TRUE); // this here only in "ghazan mode"
SendMessage(GetParent(hwndDlg), PSM_CHANGED, 0, 0);
break;
}
if (hdr->iItem != -1) {
int sel = hdr->uNewState & LVIS_SELECTED;
HWND hwndList = GetDlgItem(hwndDlg, IDC_PLUGLIST);
LVITEM lvi = { 0 };
lvi.mask = LVIF_PARAM;
lvi.iItem = hdr->iItem;
if (ListView_GetItem(hwndList, &lvi)) {
PluginListItemData *dat = (PluginListItemData*)lvi.lParam;
TCHAR buf[1024];
ListView_GetItemText(hwndList, hdr->iItem, 2, buf, _countof(buf));
SetDlgItemText(hwndDlg, IDC_PLUGININFOFRAME, sel ? buf : _T(""));
ptrT tszAuthor(latin2t(sel ? dat->author : NULL));
SetDlgItemText(hwndDlg, IDC_PLUGINAUTHOR, tszAuthor);
ptrT tszEmail(latin2t(sel ? dat->authorEmail : NULL));
SetDlgItemText(hwndDlg, IDC_PLUGINEMAIL, tszEmail);
ptrT p(Langpack_PcharToTchar(dat->description));
SetDlgItemText(hwndDlg, IDC_PLUGINLONGINFO, sel ? p : _T(""));
ptrT tszCopyright(latin2t(sel ? dat->copyright : NULL));
SetDlgItemText(hwndDlg, IDC_PLUGINCPYR, tszCopyright);
ptrT tszUrl(latin2t(sel ? dat->homepage : NULL));
SetDlgItemText(hwndDlg, IDC_PLUGINURL, tszUrl);
if (!equalUUID(miid_last, dat->uuid)) {
char szUID[128];
uuidToString(dat->uuid, szUID, sizeof(szUID));
SetDlgItemTextA(hwndDlg, IDC_PLUGINPID, sel ? szUID : "");
}
else SetDlgItemText(hwndDlg, IDC_PLUGINPID, sel ? TranslateT("<none>") : _T(""));
}
}
}
if (hdr->hdr.code == PSN_APPLY) {
bool needRestart = false;
TCHAR bufRestart[1024];
int bufLen = mir_sntprintf(bufRestart, _T("%s\n"), TranslateT("Miranda NG must be restarted to apply changes for these plugins:"));
HWND hwndList = GetDlgItem(hwndDlg, IDC_PLUGLIST);
for (int iRow = 0; iRow != -1;) {
TCHAR buf[1024];
ListView_GetItemText(hwndList, iRow, 1, buf, _countof(buf));
int iState = ListView_GetItemState(hwndList, iRow, LVIS_STATEIMAGEMASK);
SetPluginOnWhiteList(buf, (iState & 0x2000) ? 1 : 0);
if (!bOldMode && iState != 0x3000) {
LVITEM lvi = { 0 };
lvi.mask = LVIF_IMAGE | LVIF_PARAM;
lvi.stateMask = -1;
lvi.iItem = iRow;
lvi.iSubItem = 0;
if (ListView_GetItem(hwndList, &lvi)) {
lvi.mask = LVIF_IMAGE;
PluginListItemData *dat = (PluginListItemData*)lvi.lParam;
if (iState == 0x2000) {
// enabling plugin
if (lvi.iImage == 3 || lvi.iImage == 5) {
if (lvi.iImage == 3 && LoadPluginDynamically(dat)) {
lvi.iImage = 2;
ListView_SetItem(hwndList, &lvi);
}
else {
bufLen += mir_sntprintf(bufRestart + bufLen, _countof(bufRestart) - bufLen, _T(" - %s\n"), buf);
needRestart = true;
}
}
}
else {
// disabling plugin
if (lvi.iImage == 2 || lvi.iImage == 4) {
if (lvi.iImage == 2 && UnloadPluginDynamically(dat)) {
lvi.iImage = 3;
ListView_SetItem(hwndList, &lvi);
}
else {
bufLen += mir_sntprintf(bufRestart + bufLen, _countof(bufRestart) - bufLen, _T(" - %s\n"), buf);
needRestart = true;
}
}
}
}
}
iRow = ListView_GetNextItem(hwndList, iRow, LVNI_ALL);
}
LoadStdPlugins();
ShowWindow(GetDlgItem(hwndDlg, IDC_RESTART), needRestart);
if (needRestart) {
mir_sntprintf(bufRestart + bufLen, _countof(bufRestart) - bufLen, _T("\n%s"), TranslateT("Do you want to restart it now?"));
if (MessageBox(NULL, bufRestart, _T("Miranda NG"), MB_ICONWARNING | MB_YESNO) == IDYES)
CallService(MS_SYSTEM_RESTART, 1, 0);
}
}
}
break;
case WM_COMMAND:
if (HIWORD(wParam) == STN_CLICKED) {
switch (LOWORD(wParam)) {
case IDC_GETMOREPLUGINS:
Utils_OpenUrl("http://miranda-ng.org/downloads/");
break;
case IDC_PLUGINEMAIL:
case IDC_PLUGINURL:
char buf[512];
char *p = &buf[7];
mir_strcpy(buf, "mailto:");
if (GetDlgItemTextA(hwndDlg, LOWORD(wParam), p, _countof(buf) - 7))
Utils_OpenUrl(LOWORD(wParam) == IDC_PLUGINEMAIL ? buf : p);
break;
}
}
break;
case WM_DESTROY:
arPluginList.destroy();
RemoveAllItems(GetDlgItem(hwndDlg, IDC_PLUGLIST));
break;
}
return FALSE;
}
INT_PTR CALLBACK DlgPluginOpt(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case WM_INITDIALOG:
{
HWND hwndList=GetDlgItem(hwndDlg,IDC_PLUGLIST);
LVCOLUMN col;
HIMAGELIST hIml = ImageList_Create(16, 16, ILC_MASK | (IsWinVerXPPlus()? ILC_COLOR32 : ILC_COLOR16), 4, 0);
ImageList_AddIcon_IconLibLoaded( hIml, SKINICON_OTHER_UNICODE );
ImageList_AddIcon_IconLibLoaded( hIml, SKINICON_OTHER_ANSI );
ImageList_AddIcon_IconLibLoaded( hIml, SKINICON_OTHER_LOADED );
ImageList_AddIcon_IconLibLoaded( hIml, SKINICON_OTHER_NOTLOADED );
ListView_SetImageList( hwndList, hIml, LVSIL_SMALL );
TranslateDialogDefault(hwndDlg);
col.mask = LVCF_TEXT | LVCF_WIDTH;
col.pszText = TranslateT("Plugin");
col.cx = 70;//max = 140;
ListView_InsertColumn(hwndList,0,&col);
col.pszText=TranslateT("Name");
col.cx = 70;//max = 220;
ListView_InsertColumn(hwndList,1,&col);
col.pszText=TranslateT("Version");
col.cx=55;
ListView_InsertColumn(hwndList,2,&col);
col.pszText=_T("");
col.cx=20;
ListView_InsertColumn(hwndList,3,&col);
//ListView_InsertColumn(hwndList,4,&col);
// XXX: Won't work on windows 95 without IE3+ or 4.70
ListView_SetExtendedListViewStyleEx( hwndList, 0, LVS_EX_SUBITEMIMAGES | LVS_EX_CHECKBOXES | LVS_EX_LABELTIP | LVS_EX_FULLROWSELECT );
// scan the plugin dir for plugins, cos
enumPlugins( dialogListPlugins, ( WPARAM )hwndDlg, ( LPARAM )hwndList );
// sort out the headers
{
int w, max;
ListView_SetColumnWidth( hwndList, 0, LVSCW_AUTOSIZE ); // dll name
w = ListView_GetColumnWidth( hwndList, 0 );
if (w>140) {
ListView_SetColumnWidth( hwndList, 0, 140 );
w = 140;
}
max = w<140? 220+140-w:220;
ListView_SetColumnWidth( hwndList, 1, LVSCW_AUTOSIZE ); // short name
w = ListView_GetColumnWidth( hwndList, 1 );
if (w>max)
ListView_SetColumnWidth( hwndList, 1, max );
}
return TRUE;
}
case WM_NOTIFY:
{
NMLISTVIEW * hdr = (NMLISTVIEW *) lParam;
if ( hdr && hdr->hdr.code == LVN_ITEMCHANGED && hdr->uOldState != 0
&& (hdr->uNewState == 0x1000 || hdr->uNewState == 0x2000 ) && IsWindowVisible(hdr->hdr.hwndFrom) ) {
HWND hwndList = GetDlgItem(hwndDlg,IDC_PLUGLIST);
PluginListItemData* dat;
int iRow;
LVITEM it;
it.mask=LVIF_PARAM | LVIF_STATE;
it.iItem = hdr->iItem;
if ( !ListView_GetItem( hwndList, &it ))
break;
dat = ( PluginListItemData* )it.lParam;
if ( dat->flags == DEFMOD_DB ) {
ListView_SetItemState(hwndList, hdr->iItem, 0x3000, LVIS_STATEIMAGEMASK);
return FALSE;
}
// if enabling and replaces, find all other replaces and toggle off
if ( hdr->uNewState & 0x2000 && dat->flags != 0 ) {
for ( iRow=0; iRow != -1; ) {
if ( iRow != hdr->iItem ) {
LVITEM dt;
dt.mask = LVIF_PARAM;
dt.iItem = iRow;
if ( ListView_GetItem( hwndList, &dt )) {
PluginListItemData* dat2 = ( PluginListItemData* )dt.lParam;
if ( dat2->flags == dat->flags ) {
// the lParam is unset, so when the check is unset the clist block doesnt trigger
int lParam = dat2->flags;
dat2->flags = 0;
ListView_SetItemState(hwndList, iRow, 0x1000, LVIS_STATEIMAGEMASK );
dat2->flags = lParam;
} } }
iRow = ListView_GetNextItem( hwndList, iRow, LVNI_ALL );
} }
ShowWindow( GetDlgItem(hwndDlg, IDC_RESTART ), TRUE );
SendMessage( GetParent( hwndDlg ), PSM_CHANGED, 0, 0 );
break;
}
if ( hdr && hdr->hdr.code == LVN_ITEMCHANGED && IsWindowVisible(hdr->hdr.hwndFrom) && hdr->iItem != -1 ) {
TCHAR buf[1024];
int sel = hdr->uNewState & LVIS_SELECTED;
HWND hwndList = GetDlgItem(hwndDlg, IDC_PLUGLIST);
LVITEM lvi = { 0 };
lvi.mask = LVIF_PARAM;
lvi.iItem = hdr->iItem;
if ( ListView_GetItem( hwndList, &lvi )) {
PluginListItemData* dat = ( PluginListItemData* )lvi.lParam;
ListView_GetItemText(hwndList, hdr->iItem, 1, buf, SIZEOF(buf));
SetWindowText(GetDlgItem(hwndDlg,IDC_PLUGININFOFRAME),sel ? buf : _T(""));
SetWindowTextA(GetDlgItem(hwndDlg,IDC_PLUGINAUTHOR), sel ? dat->author : "" );
SetWindowTextA(GetDlgItem(hwndDlg,IDC_PLUGINEMAIL), sel ? dat->authorEmail : "" );
{
TCHAR* p = LangPackPcharToTchar( dat->description );
SetWindowText(GetDlgItem(hwndDlg,IDC_PLUGINLONGINFO), sel ? p : _T(""));
mir_free( p );
}
SetWindowTextA(GetDlgItem(hwndDlg,IDC_PLUGINCPYR), sel ? dat->copyright : "" );
SetWindowTextA(GetDlgItem(hwndDlg,IDC_PLUGINURL), sel ? dat->homepage : "" );
if(equalUUID(miid_last, dat->uuid))
SetWindowText(GetDlgItem(hwndDlg,IDC_PLUGINPID), sel ? TranslateT("<none>") : _T(""));
else
{
char szUID[128];
uuidToString( dat->uuid, szUID, sizeof(szUID));
SetWindowTextA(GetDlgItem(hwndDlg,IDC_PLUGINPID), sel ? szUID : "" );
}
} }
if ( hdr && hdr->hdr.code == PSN_APPLY ) {
HWND hwndList=GetDlgItem(hwndDlg,IDC_PLUGLIST);
int iRow;
int iState;
TCHAR buf[1024];
for (iRow=0 ; iRow != (-1) ; ) {
ListView_GetItemText(hwndList, iRow, 0, buf, SIZEOF(buf));
iState=ListView_GetItemState(hwndList, iRow, LVIS_STATEIMAGEMASK);
SetPluginOnWhiteList(buf, iState&0x2000 ? 1 : 0);
iRow=ListView_GetNextItem(hwndList, iRow, LVNI_ALL);
} }
break;
}
case WM_COMMAND:
if ( HIWORD(wParam) == STN_CLICKED ) {
switch (LOWORD(wParam)) {
case IDC_PLUGINEMAIL:
case IDC_PLUGINURL:
{
char buf[512];
char * p = &buf[7];
lstrcpyA(buf,"mailto:");
if ( GetWindowTextA(GetDlgItem(hwndDlg, LOWORD(wParam)), p, SIZEOF(buf) - 7) ) {
CallService(MS_UTILS_OPENURL,0,(LPARAM) (LOWORD(wParam)==IDC_PLUGINEMAIL ? buf : p) );
}
break;
}
case IDC_GETMOREPLUGINS:
{
CallService(MS_UTILS_OPENURL,0,(LPARAM) "http://addons.miranda-im.org/index.php?action=display&id=1" );
break;
}
} }
break;
case WM_DESTROY:
RemoveAllItems( GetDlgItem( hwndDlg, IDC_PLUGLIST ));
break;
}
return FALSE;
}
int loadEffect(cnode *root)
{
cnode *node;
effect_uuid_t uuid;
lib_entry_t *l;
effect_descriptor_t *d;
list_elem_t *e;
node = config_find(root, LIBRARY_TAG);
if (node == NULL) {
return -EINVAL;
}
l = getLibrary(node->value);
if (l == NULL) {
ALOGW("loadEffect() could not get library %s", node->value);
return -EINVAL;
}
node = config_find(root, UUID_TAG);
if (node == NULL) {
return -EINVAL;
}
if (stringToUuid(node->value, &uuid) != 0) {
ALOGW("loadEffect() invalid uuid %s", node->value);
return -EINVAL;
}
d = malloc(sizeof(effect_descriptor_t));
if (!d) {
ALOGE("failed to allocate effect descriptor");
return -EINVAL;
}
if (l->desc->get_descriptor(&uuid, d) != 0) {
char s[40];
uuidToString(&uuid, s, 40);
ALOGW("Error querying effect %s on lib %s", s, l->name);
free(d);
return -EINVAL;
}
#if (LOG_NDEBUG==0)
char s[256];
dumpEffectDescriptor(d, s, 256);
ALOGV("loadEffect() read descriptor %p:%s",d, s);
#endif
if (EFFECT_API_VERSION_MAJOR(d->apiVersion) !=
EFFECT_API_VERSION_MAJOR(EFFECT_CONTROL_API_VERSION)) {
ALOGW("Bad API version %08x on lib %s", d->apiVersion, l->name);
free(d);
return -EINVAL;
}
e = malloc(sizeof(list_elem_t));
if (!e) {
return -ENOMEM;
}
e->object = d;
e->next = l->effects;
l->effects = e;
// After the UUID node in the config_tree, if node->next is valid,
// that would be sub effect node.
// Find the sub effects and add them to the gSubEffectList
node = node->next;
int count = 2;
bool hwSubefx = false, swSubefx = false;
list_sub_elem_t *sube = NULL;
if (node != NULL) {
ALOGV("Adding the effect to gEffectSubList as there are sub effects");
sube = malloc(sizeof(list_sub_elem_t));
if (!sube) {
ALOGE("failed to allocate sub element list");
return -ENOMEM;
}
sube->object = d;
sube->sub_elem = NULL;
sube->next = gSubEffectList;
gSubEffectList = sube;
}
while (node != NULL && count) {
if (addSubEffect(node)) {
ALOGW("loadEffect() could not add subEffect %s", node->value);
// Change the gSubEffectList to point to older list;
gSubEffectList = sube->next;
free(sube->sub_elem);// Free an already added sub effect
sube->sub_elem = NULL;
free(sube);
return -ENOENT;
}
sub_effect_entry_t *subEntry = (sub_effect_entry_t*)gSubEffectList->sub_elem->object;
effect_descriptor_t *subEffectDesc = (effect_descriptor_t*)(subEntry->object);
// Since we return a dummy descriptor for the proxy during
// get_descriptor call,we replace it with the correspoding
// sw effect descriptor, but with Proxy UUID
// check for Sw desc
if (!((subEffectDesc->flags & EFFECT_FLAG_HW_ACC_MASK) ==
EFFECT_FLAG_HW_ACC_TUNNEL)) {
swSubefx = true;
*d = *subEffectDesc;
d->uuid = uuid;
ALOGV("loadEffect() Changed the Proxy desc");
} else
hwSubefx = true;
count--;
node = node->next;
}
// 1 HW and 1 SW sub effect found. Set the offload flag in the Proxy desc
if (hwSubefx && swSubefx) {
d->flags |= EFFECT_FLAG_OFFLOAD_SUPPORTED;
}
return 0;
}
