root/lib/common/lists.c

/* */

DEFINITIONS

1. pcmk__subtract_lists

   1 /*
   2  * Copyright 2004-2020 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, GList *items, GCompareFunc cmp)
     /*  */
  15 {
  16     GList *item = NULL;
  17     GList *result = g_list_copy(from);
  18 
  19     for (item = items; item != NULL; item = item->next) {
  20         GList *candidate = NULL;
  21 
  22         for (candidate = from; candidate != NULL; candidate = candidate->next) {
  23             if(cmp(candidate->data, item->data) == 0) {
  24                 result = g_list_remove(result, candidate->data);
  25                 break;
  26             }
  27         }
  28     }
  29 
  30     return result;
  31 }

/* */