Fix memory leaks

src/logbook/adif_io.cxx

@@ -111,6 +111,7 @@ int n, fldsize;
     memset (flddata, 0, fldsize + 1);
     strncpy (flddata, p, fldsize);
     adifqso.putField (fieldnum, (const char *)flddata); 
+    delete [] flddata;
 }
 
 void cAdifIO::readFile (const char *fname, cQsoDb *db) {
@@ -167,8 +168,7 @@ void cAdifIO::readFile (const char *fname, cQsoDb *db) {
         p2 = strchr(p1,'<');
     }
     db->SortByDate();
-    return;
-
+    delete [] buff;
 }
 
 string ADIFHEADER = "";

src/logbook/qso_db.cxx

@@ -24,7 +24,7 @@ cQsoRec::cQsoRec() {
 
 cQsoRec::~cQsoRec () {
   for (int i = 0; i < NUMFIELDS; i++)
-    delete qsofield[i];
+    delete [] qsofield[i];
 }
 
 void cQsoRec::clearRec () {
@@ -149,6 +149,8 @@ int compareCalls (const cQsoRec &r1, const cQsoRec &r2) {
     }
   } else
     cmp = strcmp (r1.qsofield[CALL], r2.qsofield[CALL]);
+  delete [] s1;
+  delete [] s2;
   if (cmp == 0)
     return compareDates (r1,r2);
   return cmp;

src/logbook/table.cxx

@@ -748,7 +748,7 @@ void Table::clear(bool removeColumns) {
     row = *i;
     for (int i = 0; i < nCols; i++)
       free(row[i]);
-    free(row);
+    delete [] row;
   }
   data.clear();
 

src/misc/dxcc.cxx

@@ -97,8 +97,14 @@ bool dxcc_open(const char* filename)
 
 void dxcc_close(void)
 {
+	if (!cmap)
+		return;
 	delete cnames;
 	cnames = 0;
+	map<dxcc*, bool> rm;
+	for (dxcc_map::iterator i = cmap->begin(); i != cmap->end(); ++i)
+		if (rm.insert(make_pair(i->second, true)).second)
+			delete i->second;
 	delete cmap;
 	cmap = 0;
 }

src/spot/spot.cxx

@@ -192,6 +192,7 @@ void spot_unregister_recv(spot_recv_cb_t rcb, void* rdata)
 	cblist_t::reverse_iterator ri;
 	for (ri = cblist.rbegin(); ri != cblist.rend(); ++ri) {
 		if (rcb == ri->rcb && rdata == ri->data) {
+			delete ri->re;
 			cblist.erase((++ri).base());
 			break;
 		}