From 7063266012a2ab0998d1cc7da381f78e014151db Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Tue, 16 Mar 2010 18:53:31 +0100
Subject: [PATCH] Added "..." to tty display when the list is truncated.

---
 dus.c | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/dus.c b/dus.c
index a0e1957..40d5a16 100644
--- a/dus.c
+++ b/dus.c
@@ -273,37 +273,41 @@ void print_sorted(struct file_with_size *root, int width, int height) {
   char line[BUFFER_SIZE];
   struct file_with_size *node;
   struct file_with_size **nodes;
-  int nb, n, first, last;
+  int nb_nodes, n, first, last;
 
-  nb = 0;
+  nb_nodes = 0;
   for(node = root; node; node = node->next) {
-    nb++;
+    nb_nodes++;
   }
 
-  nodes = safe_malloc(nb * sizeof(struct file_with_size *));
+  nodes = safe_malloc(nb_nodes * sizeof(struct file_with_size *));
 
   n = 0;
   for(node = root; node; node = node->next) {
     nodes[n++] = node;
   }
 
-  qsort(nodes, nb, sizeof(struct file_with_size *), compare_files);
+  qsort(nodes, nb_nodes, sizeof(struct file_with_size *), compare_files);
 
   first = 0;
-  last = nb;
+  last = nb_nodes;
 
   if(forced_height) {
     height = forced_height;
   }
 
-  if(height > 0 && height < nb) {
-    first = nb - height;
+  if(height >= 0 && nb_nodes > height && !show_top && !forced_height) {
+    printf("...\n");
+  }
+
+  if(height > 0 && height < nb_nodes) {
+    first = nb_nodes - height;
   }
 
   if(show_top) {
     n = last;
-    last = nb - first;
-    first = nb - n;
+    last = nb_nodes - first;
+    first = nb_nodes - n;
   }
 
   for(n = first; n < last; n++) {
@@ -320,9 +324,15 @@ void print_sorted(struct file_with_size *root, int width, int height) {
     }
   }
 
+  if(height >= 0 && nb_nodes > height && show_top && !forced_height) {
+    printf("...\n");
+  }
+
   free(nodes);
 }
+
 /**********************************************************************/
+
 void print_help(FILE *out) {
   fprintf(out, "Usage: dus [OPTION]... [FILE]...\n");
   fprintf(out, "Version %s (%s)\n", VERSION_NUMBER, UNAME);
-- 
2.20.1