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*** empty log message ***
[idzebra-moved-to-github.git]
/
isam
/
memory.c
diff --git
a/isam/memory.c
b/isam/memory.c
index
d7a327c
..
b5dcdfa
100644
(file)
--- a/
isam/memory.c
+++ b/
isam/memory.c
@@
-4,7
+4,10
@@
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: memory.c,v $
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: memory.c,v $
- * Revision 1.10 1995-12-12 14:12:47 quinn
+ * Revision 1.11 1996-02-10 12:20:58 quinn
+ * *** empty log message ***
+ *
+ * Revision 1.10 1995/12/12 14:12:47 quinn
* *** empty log message ***
*
* Revision 1.9 1995/12/06 15:48:46 quinn
* *** empty log message ***
*
* Revision 1.9 1995/12/06 15:48:46 quinn
@@
-233,18
+236,28
@@
void is_m_delete_record(is_mtable *tab)
mbuf->num--;
mbuf->cur_record--;
}
mbuf->num--;
mbuf->cur_record--;
}
- else /* middle of a block */
+ else if (mbuf->cur_record == 1) /* beginning of mbuf */
{
{
+ mbuf->num--;
+ mbuf->offset +=is_keysize(tab->is);
+ mbuf->cur_record = 0;
+ }
+ else /* middle of mbuf */
+ {
+ /* insert block after current one */
new = xmalloc_mbuf(IS_MBUF_TYPE_SMALL);
new->next = mbuf->next;
mbuf->next = new;
new = xmalloc_mbuf(IS_MBUF_TYPE_SMALL);
new->next = mbuf->next;
mbuf->next = new;
+
+ /* virtually transfer everything after current record to new one. */
new->data = mbuf->data;
mbuf->refcount++;
new->offset = mbuf->offset + mbuf->cur_record * is_keysize(tab->is);
new->num = mbuf->num - mbuf->cur_record;
new->data = mbuf->data;
mbuf->refcount++;
new->offset = mbuf->offset + mbuf->cur_record * is_keysize(tab->is);
new->num = mbuf->num - mbuf->cur_record;
+
+ /* old buf now only contains stuff before current record */
mbuf->num = mbuf->cur_record -1;
mbuf->num = mbuf->cur_record -1;
- mbuf = mbuf->next;
- mbuf->cur_record = 0;
+ tab->cur_mblock->cur_mbuf = new;
}
tab->num_records--;
tab->cur_mblock->num_records--;
}
tab->num_records--;
tab->cur_mblock->num_records--;