pd.if.org Git - liblfds/blob - liblfds/liblfds7.0.0/liblfds700/src/lfds700_hash_addonly/lfds700_hash_addonly_get.c

   1 /***** includes *****/
   2 #include "lfds700_hash_addonly_internal.h"
   3
   4
   5
   6
   7
   8 /****************************************************************************/
   9 int lfds700_hash_a_get_by_key( struct lfds700_hash_a_state *has,
  10                                void *key,
  11                                struct lfds700_hash_a_element **hae )
  12 {
  13   int
  14     rv;
  15
  16   lfds700_pal_uint_t
  17     hash = 0;
  18
  19   struct lfds700_btree_au_element
  20     *baue;
  21
  22   LFDS700_PAL_ASSERT( has != NULL );
  23   // TRD : key can be NULL
  24   LFDS700_PAL_ASSERT( hae != NULL );
  25
  26   has->key_hash_function( key, &hash );
  27
  28   rv = lfds700_btree_au_get_by_key( has->baus_array + (hash % has->array_size), key, &baue );
  29
  30   if( rv == 1 )
  31     *hae = LFDS700_BTREE_AU_GET_VALUE_FROM_ELEMENT( *baue );
  32   else
  33     *hae = NULL;
  34
  35   return( rv );
  36 }
  37