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       1                 :            : /**
       2                 :            :  * \file
       3                 :            :  * Get an interface implementation from a implementation structure.
       4                 :            :  *
       5                 :            :  * \author      Georg Hopp
       6                 :            :  *
       7                 :            :  * \copyright
       8                 :            :  * Copyright © 2014 Georg Hopp
       9                 :            :  *
      10                 :            :  * This program is free software: you can redistribute it and/or modify
      11                 :            :  * it under the terms of the GNU General Public License as published by
      12                 :            :  * the Free Software Foundation, either version 3 of the License, or
      13                 :            :  * (at your option) any later version.
      14                 :            :  *
      15                 :            :  * This program is distributed in the hope that it will be useful,
      16                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      17                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      18                 :            :  * GNU General Public License for more details.
      19                 :            :  *
      20                 :            :  * You should have received a copy of the GNU General Public License
      21                 :            :  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
      22                 :            :  */
      23                 :            : 
      24                 :            : #include <sys/types.h>
      25                 :            : #include <stdlib.h>
      26                 :            : 
      27                 :            : #include "tr/interface.h"
      28                 :            : #include "tr/commons.h"
      29                 :            : 
      30                 :            : /**
      31                 :            :  * Get a specific interface implementation from the interface
      32                 :            :  * implementation from a class.
      33                 :            :  */
      34                 :            : TR_iface_ptr
      35                 :         10 : TR_interfaceGet(TR_iface_impl_ptr iface_impl, const TR_iface_ptr iface)
      36                 :            : {
      37                 :         10 :         TR_iface_ptr found = (TR_iface_ptr)NULL;
      38                 :            :         size_t       i;
      39                 :            : 
      40                 :         10 :         for (i = 0; i < iface_impl->nimpl; i++) {
      41                 :         10 :                 if (*(TR_iface_ptr *)(iface_impl->impl[i]) == iface) {
      42                 :         10 :                         found = iface_impl->impl[i];
      43                 :         10 :                         break;
      44                 :            :                 }
      45                 :            :         }
      46                 :            : 
      47                 :         10 :         return found;
      48                 :            : }
      49                 :            : 
      50                 :            : // vim: set ts=4 sw=4: