[qfcc] Free data spaces between compiliations

tools/qfcc/include/defspace.h

@@ -90,6 +90,8 @@ typedef struct defspace_s {
 */
 defspace_t *defspace_new (ds_type_t type);
 
+void defspace_delete (defspace_t *defspace);
+
 /** Allocate space from the defspace's backing memory.
 
 	If the memory is fragmented, then the first available location at least

tools/qfcc/source/defspace.c

@@ -139,6 +139,28 @@ defspace_new (ds_type_t type)
 	return space;
 }
 
+void
+defspace_delete (defspace_t *space)
+{
+	locref_t  **lr;
+
+	for (lr = &space->free_locs; *lr; lr = &(*lr)->next) {
+	}
+	*lr = locrefs_freelist;
+	locrefs_freelist = space->free_locs;
+
+	if (space->data) {
+		free (space->data);
+	}
+
+	while (space->defs) {
+		def_t      *def = space->defs;
+		space->defs = def->next;
+		def->space = 0;
+		free_def (def);
+	}
+}
+
 int
 defspace_alloc_loc (defspace_t *space, int size)
 {

tools/qfcc/source/qfcc.c

@@ -137,10 +137,15 @@ InitData (void)
 	if (pr.code) {
 		codespace_delete (pr.code);
 		strpool_delete (pr.strings);
+		defspace_delete (pr.near_data);
+		defspace_delete (pr.far_data);
+		defspace_delete (pr.entity_data);
+		defspace_delete (pr.type_data);
 	}
 
-	if (pr.linenos)
+	if (pr.linenos) {
 		free (pr.linenos);
+	}
 
 	memset (&pr, 0, sizeof (pr));
 	pr.source_line = 1;

tools/qfcc/test/test-defspace.c

@@ -18,6 +18,12 @@ pr_info_t   pr;
 function_t *current_func;
 class_type_t *current_class;
 
+void
+free_def (def_t *def)
+{
+	if (0) free (def);
+}
+
 __attribute__((const))const char *
 get_class_name (class_type_t *class_type, int prett)
 {