* Europagate, 1995.
*
* $Log: iso2709a.c,v $
- * Revision 1.1 1995/03/29 11:44:29 adam
+ * Revision 1.3 1995/03/30 14:22:18 adam
+ * More work on new MARC anchor functions.
+ *
+ * Revision 1.2 1995/03/30 07:33:35 adam
+ * New 2709 function: iso2709_mk.
+ * First implementation of iso2709_a_insert.
+ *
+ * Revision 1.1 1995/03/29 11:44:29 adam
* New functions: iso2709_a_.. for record manipulation.
*
*/
anchor->d0 = &rec->directory;
if (*anchor->d0)
anchor->f0 = &(*anchor->d0)->fields;
+ else
+ anchor->f0 = NULL;
return anchor;
}
if (tag)
*tag = (*anchor->d0)->tag;
if (indicator)
+ {
*indicator = (*anchor->d0)->indicator;
+ if (*indicator && !**indicator)
+ *indicator = NULL;
+ }
if (identifier)
+ {
*identifier = (*anchor->f0)->identifier;
+ if (*identifier && !**identifier)
+ *identifier = NULL;
+ }
if (data)
*data = (*anchor->f0)->data;
return 1;
return 0;
field = *anchor->f0;
*anchor->f0 = field->next;
- free (field->identifier);
free (field->data);
free (field);
if (!*anchor->f0)
return 0;
}
-int iso2709_a_insert (Iso2709Anchor anchor,
+int iso2709_a_insert (Iso2709Anchor a,
const char *tag, const char *indicator,
const char *identifier, const char *data)
{
- return 0;
+ struct iso2709_field *field;
+
+ assert (data);
+ assert (tag);
+ assert (a->d0);
+ if (! *a->d0 || strcmp (tag, (*a->d0)->tag))
+ {
+ struct iso2709_dir *dir;
+
+ if (!(dir = malloc (sizeof(*dir))))
+ return 0;
+ strcpy (dir->tag, tag);
+ if (indicator)
+ {
+ if (!(dir->indicator = malloc (strlen(indicator)+1)))
+ return 0;
+ strcpy (dir->indicator, indicator);
+ }
+ else
+ dir->indicator = NULL;
+ if (*a->d0)
+ a->d0 = &(*a->d0)->next;
+ dir->next = *a->d0;
+ *a->d0 = dir;
+ dir->fields = NULL;
+ a->f0 = &dir->fields;
+ }
+ if (!(field = malloc (sizeof(*field))))
+ return 0;
+ if (identifier)
+ strcpy (field->identifier, identifier);
+ else
+ *field->identifier = '\0';
+ if (!(field->data = malloc (strlen (data)+1)))
+ return 0;
+ strcpy (field->data, data);
+ field->next = *a->f0;
+ *a->f0 = field;
+ a->f0 = &field->next;
+ return 1;
}
-