Fixed segmentation error in TableBlockStorage and CycleStorage

Utilities/JrnTests/JrnTest.cc

@@ -236,6 +236,10 @@ bool reOpen()
 
 bool testJournal1(void)
 {
+	CycleStorage *jjj = new CycleStorage();
+	jjj->create("/dev/hdb2",bj_size,30,32000,seek);
+	delete jjj;
+
 	CycleStorage j("big_file.test",bj_size,30,32000,seek,true);
 	int i,k=0;
 	char *str = new char[30];

src/Various/CycleStorage.cc

@@ -47,7 +47,7 @@ CycleStorage::CycleStorage(const char* name, int byte_sz, int inf_sz, int inf_co
 
 CycleStorage::~CycleStorage()
 {
-	fclose(file);
+	if( file!=NULL ) fclose(file);
 }
 
 void* CycleStorage::valPointer(void* pnt)
@@ -142,7 +142,12 @@ bool CycleStorage::findHead()
 bool CycleStorage::checkAttr(int inf_sz, int inf_count, int seek)
 {
 	if( file==NULL ) return false;
-	fseek(file,seek,0);
+	if( fseek(file,seek,0)==-1 )
+	{
+		fclose(file);
+		file=NULL;
+		return false;
+	}
 
 	/*!   */
 	CycleStorageAttr csa;
@@ -215,11 +220,14 @@ bool CycleStorage::create(const char* name, int byte_sz, int inf_sz, int inf_cou
 	/*!  ,    */
 	if(file==NULL)
 	{
-		FILE*f=fopen(name,"w");
+		FILE *f=fopen(name,"w");
+		if( f==NULL ) return false;
 		fclose(f);
 		file = fopen(name, "r+");
 	}
 
+	if( file==NULL ) return false;
+
 	if(fseek(file,seekpos,0)==-1) return false;
 
 	CycleStorageElem *jrn = (CycleStorageElem*)new char[full_size];

src/Various/TableBlockStorage.cc

@@ -49,7 +49,7 @@ TableBlockStorage::TableBlockStorage(const char* name, int byte_sz, int key_sz,
 
 TableBlockStorage::~TableBlockStorage()
 {
-	delete mem;
+	if( mem!=NULL ) delete mem;
 
 	if(file!=NULL) fclose(file);
 }
@@ -228,7 +228,8 @@ bool TableBlockStorage::create(const char* name, int byte_sz, int key_sz, int in
 
 	if(file==NULL)
 	{
-		FILE*f=fopen(name,"w");
+		FILE *f=fopen(name,"w");
+		if( f==NULL ) return false;
 		fclose(f);
 		file = fopen(name, "r+");
 	}