no need-to-check argument for XFree

XFree() will accept NULL no need to check

Signed-off-by: Walter Harms <wharms@bfs.de>

1 files changed, 6 insertions, 6 deletions

diff --git a/xrestop.c b/xrestop.c
index f10a5a4..6ec8d2b 100644
--- a/xrestop.c
+++ b/xrestop.c
@@ -187,7 +187,7 @@ window_get_pid(XResTopApp *app, Window win)
       result = *data;
     }
 
-  if (data) XFree(data);
+  XFree(data);
 
   return result;
 }
@@ -209,7 +209,7 @@ window_get_utf8_name(XResTopApp *app, Window win)
 
   if (result != Success || str == NULL)
     {
-      if (str) XFree (str);
+      XFree (str);
       return NULL;
     }
 
@@ -281,7 +281,7 @@ xrestop_client_new(XResTopApp *app)
 static void
 xrestop_client_free(XResTopClient *client)
 {
-  if (client->identifier) XFree (client->identifier);
+  XFree (client->identifier);
   free(client);
 }
 
@@ -363,7 +363,7 @@ recurse_win_tree(XResTopApp *app, XResTopClient *client, Window win_top)
 	break;
     }
 
-  if (children) XFree ((char *)children);
+  XFree ((char *)children);
 
   return w;
 }
@@ -458,7 +458,7 @@ xrestop_client_get_stats(XResTopApp *app, XResTopClient *client)
    client->other_bytes += client->n_other * 24;
   
  cleanup:
-   if (types) XFree(types);
+   XFree(types);
 
    return;
 }
@@ -496,7 +496,7 @@ xrestop_populate_client_data(XResTopApp *app)
 
  cleanup:
 
-  if (clients) XFree(clients);
+  XFree(clients);
 }
 
 static void