CMakeLists: hardening flags

1 files changed, 8 insertions, 4 deletions

diff --git a/include/list_management.h b/include/list_management.h
index 0a887c7..a62fe45 100644
--- a/include/list_management.h
+++ b/include/list_management.h
@@ -2,8 +2,6 @@
 
 /* Copyright 2025 Thorsten Töpper
  *
- * list_management - data handling related code
- *
  * vim:ts=4:sw=4:expandtab
  */
 
@@ -13,9 +11,15 @@
 #include <time.h>
 
 /* === DEFINITIONS === */
+
+/* off_t is defined in different headers, on Linux with glibc,
+ * stdio.h, unistd.h and types.h
+ * output.h requires this struct definition therefore off_t
+ * becomes implicitly defined through stdio.h as every source
+ * file includes output.h */
 struct list_node {
     struct list_node *next;
-    size_t fsize;
+    off_t fsize;
     char fname[256];
     time_t ftime; /* can be creation, access or modification */
 };
@@ -24,7 +28,7 @@ struct list_head {
     struct list_node *first;
 };
 
-struct list_node *create_node(char *fname, size_t fsize, time_t ftime);
+struct list_node *create_node(char *fname, long int fsize, time_t ftime);
 struct list_head *create_list_sort_reversed(struct list_head *list);
 void destroy_list(struct list_head *list);
 int insert_sorted_by_size(struct list_head *list, struct list_node *node);