Correction of memory management errors

diff --git a/src/url.c b/src/url.c
index e101013..f968dae 100644 (file)
--- a/src/url.c
+++ b/src/url.c
@@ -39,13 +39,15 @@ int url_add(const char *link_name, int link_name_length, const char *target, int
         assert(tmp);
     }
 
-    tmp -> link_name = calloc(link_name_length, sizeof(char));
+    tmp -> link_name = calloc(link_name_length+1, sizeof(char));
     assert(tmp->link_name);
     strncpy(tmp->link_name, link_name, link_name_length);
+    tmp->link_name[link_name_length] = '\0';
 
-    tmp->target = calloc(target_length, sizeof(char));
+    tmp->target = calloc(target_length+1, sizeof(char));
     assert(tmp->target);
     strncpy(tmp->target, target, target_length);
+    tmp->target[target_length] = '\0';
 
     tmp->x = x;
     tmp->y = y;
@@ -57,8 +59,12 @@ int url_add(const char *link_name, int link_name_length, const char *target, int
 }
 
 char * url_get_target(int index) {
+    if (!init_ok) return NULL;
+
     url_t *tmp = list;
 
+    if (!tmp) return NULL;
+
     while (index > 0 && tmp && tmp->next) {
         tmp = tmp->next;
         index--;