Correctly round human-readable file size

Closes #463

2 files changed, 3 insertions, 3 deletions

diff --git a/src/feh.h b/src/feh.h
index 1d5e918..15da763 100644
--- a/src/feh.h
+++ b/src/feh.h
@@ -152,7 +152,7 @@ void feh_event_handle_stdin();
 void feh_event_handle_generic(winwidget winwid, unsigned int state, KeySym keysym, unsigned int button);
 fehkey *feh_str_to_kb(char * action);
 void feh_action_run(feh_file * file, char *action, winwidget winwid);
-char *format_size(int size);
+char *format_size(double size);
 char *feh_printf(char *str, feh_file * file, winwidget winwid);
 void im_weprintf(winwidget w, char *fmt, ...);
 void feh_draw_zoom(winwidget w);
diff --git a/src/slideshow.c b/src/slideshow.c
index 145ced1..ac8c545 100644
--- a/src/slideshow.c
+++ b/src/slideshow.c
@@ -445,7 +445,7 @@ void feh_action_run(feh_file * file, char *action, winwidget winwid)
 	return;
 }
 
-char *format_size(int size)
+char *format_size(double size)
 {
 	static char ret[5];
 	char units[] = {' ', 'k', 'M', 'G', 'T'};
@@ -454,7 +454,7 @@ char *format_size(int size)
 		size /= 1000;
 		postfix++;
 	}
-	snprintf(ret, 5, "%3d%c", size, units[postfix]);
+	snprintf(ret, 5, "%3.0f%c", size, units[postfix]);
 	return ret;
 }