CMakeLists: hardening flags

1 files changed, 4 insertions, 2 deletions

diff --git a/src/output.c b/src/output.c
index 9dd274b..be0afb1 100644
--- a/src/output.c
+++ b/src/output.c
@@ -63,7 +63,7 @@ void print_list(struct list_head *list) {
 
     ptr = lh->first;
     while (ptr != NULL) {
-        printf(" %8lu %2s ", ((ptr->fsize>=1024) ? (ptr->fsize/1024) : ptr->fsize),
+        printf(" %8ld %2s ", ((ptr->fsize>=1024) ? (ptr->fsize/1024) : ptr->fsize),
                 ((ptr->fsize >= 1024) ? "kB" : ""));
 
         tm = localtime(&ptr->ftime);
@@ -75,7 +75,9 @@ void print_list(struct list_head *list) {
             printf(" %8s ", timestamp);
         }
         printf(" %s\n", ptr->fname);
-        total_size += ptr->fsize;
+        /* Linux: Neither man stat(2) nor stat(3type) declare when struct stat field st_size
+         * get's a negative value. */
+        total_size += (ptr->fsize>0) ? (unsigned long int)ptr->fsize : 0;
         ptr = ptr->next;
     }
     fputc_all_cols('=', stdout);