Fixed problem in setReferencePrefix().

Author: cataphract

markdowndoc_class.c

@@ -132,6 +132,10 @@ static void free_object_storage(void *object TSRMLS_DC)
 		mkd_cleanup(dobj->markdoc);
 		dobj->markdoc = NULL;
 	}
+	if (dobj->ref_prefix != NULL) {
+		efree(dobj->ref_prefix);
+		dobj->ref_prefix = NULL;
+	}
 
 	markdowndoc_free_callback(&dobj->url_fci, &dobj->url_fcc);
 	markdowndoc_free_callback(&dobj->attr_fci, &dobj->attr_fcc);
@@ -160,6 +164,7 @@ static zend_object_value ce_create_object(zend_class_entry *class_type TSRMLS_DC
 	dobj->url_fcc		= NULL;
 	dobj->attr_fci		= NULL;
 	dobj->attr_fcc		= NULL;
+	dobj->ref_prefix	= NULL;
 
     zov.handle = zend_objects_store_put(dobj,
         (zend_objects_store_dtor_t) zend_objects_destroy_object,

markdowndoc_class.h

@@ -37,6 +37,7 @@ typedef struct discount_object {
 	zend_fcall_info_cache	*url_fcc;
 	zend_fcall_info			*attr_fci;
 	zend_fcall_info_cache	*attr_fcc;
+	char					*ref_prefix;
 } discount_object;
 
 extern zend_class_entry *markdowndoc_ce;

markdowndoc_meth_misc.c

@@ -201,7 +201,11 @@ PHP_METHOD(markdowndoc, setReferencePrefix)
 		RETURN_FALSE;
 	}
 
-	mkd_ref_prefix(dobj->markdoc, prefix);
+	if (dobj->ref_prefix != NULL) {
+		efree(dobj->ref_prefix);
+	}
+	dobj->ref_prefix = estrndup(prefix, prefix_len);
+	mkd_ref_prefix(dobj->markdoc, dobj->ref_prefix);
 
 	RETURN_TRUE;
 }