[awesome] Remove checking for value before p_delete()'ing memory

Signed-off-by: Julien Danjou <julien@danjou.info>

awesome-menu.c

@@ -1140,28 +1140,29 @@ handle_kpress(xcb_key_press_event_t *e)
 
 #ifndef HAVE_GETLINE
 static int
-getline(char ** buf, size_t* len, FILE* in)
+getline(char **buf, size_t *len, FILE* in)
 {
     int i;
-    if (*buf) {
+
+    if (*buf)
         p_delete(buf);
-        (*buf) = NULL;
-    }
     if (*len)
         *len = 0;
 
-    do {
+    do
+    {
         p_realloc(buf, *len + 10);
         (*len) += 10;
-        for (i = 0; i < 10 && !feof(in); i++) {
+        for (i = 0; i < 10 && !feof(in); i++)
+        {
             (*buf)[*len - 10 + i] = getchar();
-            if ((*buf)[*len - 10 + i] == '\n' ||
-                (*buf)[*len - 10 + i] == '\r') {
+            if ((*buf)[*len - 10 + i] == '\n'
+                || (*buf)[*len - 10 + i] == '\r')
                 return (*len - 10 + i + 1);
-            }
         }
     }
     while(!feof(in));
+
     return -1;
 }
 #endif
@@ -1195,8 +1196,7 @@ item_list_fill_stdin(void)
         }
         while((line_len = getline(&buf, &len, stdin)) != -1);
 
-    if(buf)
-        p_delete(&buf);
+    p_delete(&buf);
 
     return has_entry;
 }

awesome.c

@@ -128,8 +128,7 @@ scan()
                !(attr_r->map_state == XCB_MAP_STATE_VIEWABLE ||
                  window_getstate(wins[i]) == XCB_WM_ICONIC_STATE))
             {
-                if(attr_r)
-                    p_delete(&attr_r);
+                p_delete(&attr_r);
                 continue;
             }
 

common/xutil.c

@@ -57,8 +57,7 @@ xutil_gettextprop(xcb_connection_t *conn, xcb_window_t w, xcb_atom_t atom,
 
     if(!prop_r || !prop_r->value_len || prop_r->format != 8)
     {
-        if(prop_r)
-            p_delete(&prop_r);
+        p_delete(&prop_r);
         return false;
     }
 
@@ -143,9 +142,7 @@ xutil_get_transient_for_hint(xcb_connection_t *c, xcb_window_t win,
        t_hint_r->length == 0)
     {
         *prop_win = XCB_NONE;
-        if(t_hint_r)
-            p_delete(&t_hint_r);
-
+        p_delete(&t_hint_r);
         return false;
     }
 
@@ -198,9 +195,7 @@ xutil_get_class_hint(xcb_connection_t *conn, xcb_window_t win)
     if(!class_hint_r || class_hint_r->type != STRING ||
        class_hint_r->format != 8)
     {
-        if(class_hint_r)
-            p_delete(&class_hint_r);
-
+        p_delete(&class_hint_r);
 	return NULL;
     }
 

ewmh.c

@@ -437,9 +437,7 @@ ewmh_get_window_icon(xcb_window_t w)
     if(!r || r->type != CARDINAL || r->format != 32 || r->length < 2 ||
        !(data = (uint32_t *) xcb_get_property_value(r)))
     {
-        if(r)
-            p_delete(&r);
-
+        p_delete(&r);
         return NULL;
     }
 

rules.c

@@ -71,10 +71,8 @@ rule_matching_client(client_t *c)
     snprintf(prop, len, "%s:%s:%s",
              ch->res_class ? ch->res_class : "", ch->res_name ? ch->res_name : "", c->name);
 
-    if(ch->res_class)
-        p_delete(&ch->res_class);
-    if(ch->res_name)
-        p_delete(&ch->res_name);
+    p_delete(&ch->res_class);
+    p_delete(&ch->res_name);
     p_delete(&ch);
 
     for(r = globalconf.rules; r; r = r->next)

widgets/iconbox.c

@@ -75,8 +75,7 @@ iconbox_tell(widget_t *widget, char *property, char *new_value)
 
     if(!a_strcmp(property, "image"))
     {
-        if(d->image)
-            p_delete(&d->image);
+        p_delete(&d->image);
         d->image = a_strdup(new_value);
     }
     else if(!a_strcmp(property, "resize"))