Fixed some strange bugs.

[idzebra-moved-to-github.git] / isam / memory.c

diff --git a/isam/memory.c b/isam/memory.c
index cd90dcb..475b5fc 100644 (file)
--- a/isam/memory.c
+++ b/isam/memory.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: memory.c,v $
- * Revision 1.7  1995-12-06 09:59:46  quinn
+ * Revision 1.8  1995-12-06 14:48:27  quinn
+ * Fixed some strange bugs.
+ *
+ * Revision 1.7  1995/12/06  09:59:46  quinn
  * Fixed memory-consumption bug in memory.c
  * Added more blocksizes to the default ISAM configuration.
  *
@@ -347,7 +350,8 @@ int is_m_read_record(is_mtable *tab, void *buf)
     {
        if (!mbuf->next) /* end of mblock */
        {
-           if (tab->cur_mblock->state == IS_MBSTATE_CLEAN)
+           if (tab->cur_mblock->state == IS_MBSTATE_CLEAN &&
+               tab->cur_mblock->diskpos > 0)
            {
                xfree_mbufs(tab->cur_mblock->data);
                tab->cur_mblock->data = 0;