CMakeLists: hardening flags

3 files changed, 13 insertions, 12 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);
diff --git a/include/options.h b/include/options.h
index 70f22e4..7f26f4d 100644
--- a/include/options.h
+++ b/include/options.h
@@ -2,9 +2,6 @@
 
 /* Copyright 2025 Thorsten Töpper
  *
- * dir_monitor - print specified stat() information from entries of a given
- * directory to stdout. Call it via watch for repeated output to a terminal.
- *
  * vim:ts=4:sw=4:expandtab
  */
 
@@ -19,12 +16,16 @@
 
 
 /* === DEFINITIONS === */
+/* TODO: if ported to other platforms, those precompiler checks need to be extended */
+#ifndef PATH_SEP
 #define PATH_SEP '/'
+#endif
 
 enum esort_type { SORT_BY_SIZE, SORT_BY_TIME };
 
 
 /* === GLOBAL VARIABLES === */
+
 extern bool option_sort_reverse_order;
 extern enum esort_type option_sort_type;
 extern bool option_show_hidden_entries;
@@ -37,8 +38,5 @@ void set_option(const char *option_name, char *option_argument);
  * containing the options in options.c */
 void usage(char *executable);
 
-
-
-
 #endif
 
diff --git a/include/output.h b/include/output.h
index 22f3885..beb9559 100644
--- a/include/output.h
+++ b/include/output.h
@@ -2,8 +2,6 @@
 
 /* Copyright 2025 Thorsten Töpper
  *
- * output related functions and definitions
- *
  * vim:ts=4:sw=4:expandtab
  */
 #ifndef OUTPUT_H
@@ -25,5 +23,6 @@
 int fputc_all_cols(char c, FILE *fdout);
 int fputc_width_x(char c, size_t x, FILE *fdout);
 void print_list(struct list_head *list);
+
 #endif