Gedcom_ctxt sub_chan_start(_ELT_PARAMS_)
{
Gom_ctxt ctxt = (Gom_ctxt)parent;
- struct change_date *chan
- = (struct change_date *)malloc(sizeof(struct change_date));
- memset (chan, 0, sizeof(struct change_date));
+ Gom_ctxt result = NULL;
- if (ctxt) {
- switch (ctxt->ctxt_type) {
- case REC_FAM:
- family_set_change_date(ctxt, chan); break;
- case REC_INDI:
- individual_set_change_date(ctxt, chan); break;
- case REC_OBJE:
- multimedia_set_change_date(ctxt, chan); break;
- case REC_NOTE:
- note_set_change_date(ctxt, chan); break;
- case REC_REPO:
- repository_set_change_date(ctxt, chan); break;
- case REC_SOUR:
- source_set_change_date(ctxt, chan); break;
- case REC_SUBM:
- submitter_set_change_date(ctxt, chan); break;
- default:
- UNEXPECTED_CONTEXT(ctxt->ctxt_type);
+ if (! ctxt)
+ NO_CONTEXT;
+ else {
+ struct change_date *chan
+ = (struct change_date *)malloc(sizeof(struct change_date));
+ if (! chan)
+ MEMORY_ERROR;
+ else {
+ memset (chan, 0, sizeof(struct change_date));
+
+ switch (ctxt->ctxt_type) {
+ case REC_FAM:
+ family_set_change_date(ctxt, chan); break;
+ case REC_INDI:
+ individual_set_change_date(ctxt, chan); break;
+ case REC_OBJE:
+ multimedia_set_change_date(ctxt, chan); break;
+ case REC_NOTE:
+ note_set_change_date(ctxt, chan); break;
+ case REC_REPO:
+ repository_set_change_date(ctxt, chan); break;
+ case REC_SOUR:
+ source_set_change_date(ctxt, chan); break;
+ case REC_SUBM:
+ submitter_set_change_date(ctxt, chan); break;
+ default:
+ UNEXPECTED_CONTEXT(ctxt->ctxt_type);
+ }
+ result = MAKE_GOM_CTXT(elt, change_date, chan);
}
}
- return (Gedcom_ctxt) MAKE_GOM_CTXT(elt, change_date, chan);
+ return (Gedcom_ctxt)result;
}
DATE_CB(change_date, sub_chan_date_start, date)
void change_date_add_note(Gom_ctxt ctxt, struct note_sub* note)
{
struct change_date *chan = SAFE_CTXT_CAST(change_date, ctxt);
- LINK_CHAIN_ELT(note_sub, chan->note, note)
+ if (chan)
+ LINK_CHAIN_ELT(note_sub, chan->note, note);
}
void change_date_add_user_data(Gom_ctxt ctxt, struct user_data* data)
{
struct change_date *obj = SAFE_CTXT_CAST(change_date, ctxt);
- LINK_CHAIN_ELT(user_data, obj->extra, data)
+ if (obj)
+ LINK_CHAIN_ELT(user_data, obj->extra, data);
}
void change_date_cleanup(struct change_date *chan)
if (chan) {
SAFE_FREE(chan->date);
SAFE_FREE(chan->time);
- DESTROY_CHAIN_ELTS(note_sub, chan->note, note_sub_cleanup)
- DESTROY_CHAIN_ELTS(user_data, chan->extra, user_data_cleanup)
+ DESTROY_CHAIN_ELTS(note_sub, chan->note, note_sub_cleanup);
+ DESTROY_CHAIN_ELTS(user_data, chan->extra, user_data_cleanup);
}
SAFE_FREE(chan);
}