thanks Pescuma for writing a good comment about the broken resident variables deletion 4 yrs ago :)

git-svn-id: http://svn.miranda-ng.org/main/trunk@2382 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 45 insertions, 46 deletions

diff --git a/plugins/Db3x_mmap/src/dbsettings.cpp b/plugins/Db3x_mmap/src/dbsettings.cpp
index 73e2043245..55c43622d4 100644
--- a/plugins/Db3x_mmap/src/dbsettings.cpp
+++ b/plugins/Db3x_mmap/src/dbsettings.cpp
@@ -645,60 +645,59 @@ STDMETHODIMP_(BOOL) CDb3Base::DeleteContactSetting(HANDLE hContact, DBCONTACTGET
 		return 1;

 	}

 

-	mir_cslockfull lck(m_csDbAccess);

-	ofsModuleName = GetModuleNameOfs(dbcgs->szModule);

- 	if (hContact == 0)

-		hContact = (HANDLE)m_dbHeader.ofsUser;

-

-	dbc = (DBContact*)DBRead(hContact,sizeof(DBContact),NULL);

-	if (dbc->signature != DBCONTACT_SIGNATURE)

-		return 1;

+	szCachedSettingName = m_cache->GetCachedSetting(dbcgs->szModule,dbcgs->szSetting,moduleNameLen,settingNameLen);

+	if (szCachedSettingName[-1] == 0) { // it's not a resident variable

+		mir_cslock lck(m_csDbAccess);

+		ofsModuleName = GetModuleNameOfs(dbcgs->szModule);

+ 		if (hContact == 0)

+			hContact = (HANDLE)m_dbHeader.ofsUser;

+

+		dbc = (DBContact*)DBRead(hContact,sizeof(DBContact),NULL);

+		if (dbc->signature != DBCONTACT_SIGNATURE)

+			return 1;

 

-	//make sure the module group exists

-	ofsSettingsGroup = GetSettingsGroupOfsByModuleNameOfs(dbc,(DWORD)hContact,ofsModuleName);

-	if (ofsSettingsGroup == 0)

-		return 1;

+		//make sure the module group exists

+		ofsSettingsGroup = GetSettingsGroupOfsByModuleNameOfs(dbc,(DWORD)hContact,ofsModuleName);

+		if (ofsSettingsGroup == 0)

+			return 1;

 

-	//find if the setting exists

-	ofsBlobPtr = ofsSettingsGroup+offsetof(DBContactSettings,blob);

-	pBlob = (PBYTE)DBRead(ofsBlobPtr,1,&bytesRemaining);

-	while (pBlob[0]) {

-		NeedBytes(settingNameLen+1);

-		if (pBlob[0] == settingNameLen && !memcmp(pBlob+1,dbcgs->szSetting,settingNameLen))

-			break;

-		NeedBytes(1);

-		MoveAlong(pBlob[0]+1);

-		NeedBytes(3);

-		MoveAlong(1+GetSettingValueLength(pBlob));

-		NeedBytes(1);

-	}

-	if (!pBlob[0]) //setting didn't exist

-		return 1;

+		//find if the setting exists

+		ofsBlobPtr = ofsSettingsGroup+offsetof(DBContactSettings,blob);

+		pBlob = (PBYTE)DBRead(ofsBlobPtr,1,&bytesRemaining);

+		while (pBlob[0]) {

+			NeedBytes(settingNameLen+1);

+			if (pBlob[0] == settingNameLen && !memcmp(pBlob+1,dbcgs->szSetting,settingNameLen))

+				break;

+			NeedBytes(1);

+			MoveAlong(pBlob[0]+1);

+			NeedBytes(3);

+			MoveAlong(1+GetSettingValueLength(pBlob));

+			NeedBytes(1);

+		}

+		if (!pBlob[0]) //setting didn't exist

+			return 1;

 

-	//bin it

-	int nameLen,valLen;

-	DWORD ofsSettingToCut;

-	MoveAlong(1+settingNameLen);

-	NeedBytes(3);

-	nameLen = 1+settingNameLen;

-	valLen = 1+GetSettingValueLength(pBlob);

-	ofsSettingToCut = ofsBlobPtr-nameLen;

-	MoveAlong(valLen);

-	NeedBytes(1);

-	while (pBlob[0]) {

-		MoveAlong(pBlob[0]+1);

+		//bin it

+		int nameLen,valLen;

+		DWORD ofsSettingToCut;

+		MoveAlong(1+settingNameLen);

 		NeedBytes(3);

-		MoveAlong(1+GetSettingValueLength(pBlob));

+		nameLen = 1+settingNameLen;

+		valLen = 1+GetSettingValueLength(pBlob);

+		ofsSettingToCut = ofsBlobPtr-nameLen;

+		MoveAlong(valLen);

 		NeedBytes(1);

+		while (pBlob[0]) {

+			MoveAlong(pBlob[0]+1);

+			NeedBytes(3);

+			MoveAlong(1+GetSettingValueLength(pBlob));

+			NeedBytes(1);

+		}

+		DBMoveChunk(ofsSettingToCut,ofsSettingToCut+nameLen+valLen,ofsBlobPtr+1-ofsSettingToCut);

+		DBFlush(1);

 	}

-	DBMoveChunk(ofsSettingToCut,ofsSettingToCut+nameLen+valLen,ofsBlobPtr+1-ofsSettingToCut);

 

-	szCachedSettingName = m_cache->GetCachedSetting(dbcgs->szModule,dbcgs->szSetting,moduleNameLen,settingNameLen);

 	m_cache->GetCachedValuePtr((HANDLE)saveWparam, szCachedSettingName, -1 );

-

-	//quit

-	DBFlush(1);

-	lck.unlock();

 	

 	//notify

 	DBCONTACTWRITESETTING dbcws = {0};