Change disk percentage calculation

1 files changed, 2 insertions, 4 deletions

diff --git a/src/comet.c b/src/comet.c
index 556ba75..a94bd54 100644
--- a/src/comet.c
+++ b/src/comet.c
@@ -44,12 +44,10 @@ static gboolean disk_update(gpointer data)
     struct statvfs buffer;
     g_assert(statvfs("/", &buffer) == 0);
 
-    const double total = buffer.f_blocks * buffer.f_frsize;
-    const double available = buffer.f_bfree * buffer.f_frsize;
-    const double used = total - available;
+    const double used = 1.0 - ((double)buffer.f_bavail / (double)buffer.f_blocks);
 
     g_free(btn->text);
-    btn->text = g_strdup_printf("  %d%%", (int)round((used / total) * 100.0));
+    btn->text = g_strdup_printf("  %d%%", (int)round(used * 100.0));
 
     log_debug("Updated disk percentage");
     state_redraw(btn->action_data);