src/elementset.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2010 Index Data
   3  * See the file LICENSE for details.
   4  */
   5 /**
   6  * \file elementset.c
   7  * \brief Z39.50 element set utilities
   8  */
   9
  10 #if HAVE_CONFIG_H
  11 #include <config.h>
  12 #endif
  13
  14 #include <yaz/proto.h>
  15
  16 const char *yaz_get_esn(Z_RecordComposition *comp)
  17 {
  18     if (comp && comp->which == Z_RecordComp_complex)
  19     {
  20         if (comp->u.complex->generic
  21             && comp->u.complex->generic->elementSpec
  22             && (comp->u.complex->generic->elementSpec->which ==
  23                 Z_ElementSpec_elementSetName))
  24             return comp->u.complex->generic->elementSpec->u.elementSetName;
  25     }
  26     else if (comp && comp->which == Z_RecordComp_simple &&
  27              comp->u.simple->which == Z_ElementSetNames_generic)
  28         return comp->u.simple->u.generic;
  29     return 0;
  30 }
  31
  32 void yaz_set_esn(Z_RecordComposition **comp_p, const char *esn, NMEM nmem)
  33 {
  34     Z_RecordComposition *comp = (Z_RecordComposition *)
  35         nmem_malloc(nmem, sizeof(*comp));
  36
  37     comp->which = Z_RecordComp_simple;
  38     comp->u.simple = (Z_ElementSetNames *)
  39         nmem_malloc(nmem, sizeof(*comp->u.simple));
  40     comp->u.simple->which = Z_ElementSetNames_generic;
  41     comp->u.simple->u.generic = nmem_strdup(nmem, esn);
  42     *comp_p = comp;
  43 }
  44
  45
  46
  47 /*
  48  * Local variables:
  49  * c-basic-offset: 4
  50  * c-file-style: "Stroustrup"
  51  * indent-tabs-mode: nil
  52  * End:
  53  * vim: shiftwidth=4 tabstop=8 expandtab
  54  */
  55