X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/ecf05a2de9a95814a3efdc3dafa0a10ad343f82a..d73219bf587818d7648531da574beb45f6e3c000:/lib/dvb/db.cpp

diff --git a/lib/dvb/db.cpp b/lib/dvb/db.cpp
index 72977e73..2fbe53e6 100644
--- a/lib/dvb/db.cpp
+++ b/lib/dvb/db.cpp
@@ -114,6 +114,7 @@ RESULT eBouquet::setListName(const std::string &name)
 }
 
 eDVBService::eDVBService()
+	:m_flags(0)
 {
 }
 
@@ -193,7 +194,7 @@ int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQ
 		res = 0;
 		break;
 	case eDVBChannelQuery::tSatellitePosition:
-		res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
+		res = ((unsigned int)ref.getDVBNamespace().get())>>16 == query.m_int;
 		break;
 	case eDVBChannelQuery::tChannelID:
 	{
@@ -208,6 +209,9 @@ int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQ
 	case eDVBChannelQuery::tOR:
 		res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
 		break;
+	case eDVBChannelQuery::tAny:
+		res = 1;
+		break;
 	}
 
 	if (query.m_inverse)
@@ -244,8 +248,11 @@ void eDVBDB::reloadServicelist()
 		struct stat s;
 		if ( !stat("lamedb", &s) )
 		{
-			rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
-			reloadServicelist();
+			if ( !stat(CONFIGDIR"/enigma2", &s) )
+			{
+				rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
+				reloadServicelist();
+			}
 		}
 		return;
 	}
@@ -1012,6 +1019,13 @@ static int decodeType(const std::string &type)
 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
 {
 	std::list<std::string>::const_iterator end_of_exp;
+	
+	if (begin == end)
+	{
+		eDebug("empty expression!");
+		return 0;
+	}
+	
 	if (*begin == "(")
 	{
 		end_of_exp = begin;
@@ -1228,6 +1242,14 @@ RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
 		/* now we recursivly parse that. */
 	int r = parseExpression(res, tokens.begin(), tokens.end());
 	
+		/* we have an empty (but valid!) expression */
+	if (!r && !res)
+	{
+		res = new eDVBChannelQuery();
+		res->m_inverse = 0;
+		res->m_type = eDVBChannelQuery::tAny;
+	}
+	
 	if (res)
 	{
 		res->m_sort = sort;