root/lib/common/lists.c

/* */

DEFINITIONS

1. pcmk__subtract_lists

   1 /*
   2  * Copyright 2004-2022 the Pacemaker project contributors
   3  *
   4  * The version control history for this file may have further details.
   5  *
   6  * This source code is licensed under the GNU Lesser General Public License
   7  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
   8  */
   9 
  10 #include <crm_internal.h>
  11 #include <crm/common/lists_internal.h>
  12 
  13 GList*
  14 pcmk__subtract_lists(GList *from, const GList *items, GCompareFunc cmp)
     /*  */
  15 {
  16     GList *result = g_list_copy(from);
  17 
  18     for (const GList *item = items; item != NULL; item = item->next) {
  19         GList *match = g_list_find_custom(result, item->data, cmp);
  20 
  21         if (match != NULL) {
  22             result = g_list_remove(result, match->data);
  23         }
  24     }
  25 
  26     return result;
  27 }

/* */