From 06cef3aac0230e856f36e61533e2a4e60f299a02 Mon Sep 17 00:00:00 2001
From: Sebastian Hammer <quinn@indexdata.com>
Date: Wed, 6 Dec 1995 15:48:44 +0000
Subject: [PATCH] Fixed update-problem.

---
 isam/isam.c   |    7 +++++--
 isam/memory.c |   11 +++++++----
 isam/memory.h |    7 +++++--
 3 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/isam/isam.c b/isam/isam.c
index 6beb3dc..248a944 100644
--- a/isam/isam.c
+++ b/isam/isam.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: isam.c,v $
- * Revision 1.16  1995-12-06 14:48:26  quinn
+ * Revision 1.17  1995-12-06 15:48:44  quinn
+ * Fixed update-problem.
+ *
+ * Revision 1.16  1995/12/06  14:48:26  quinn
  * Fixed some strange bugs.
  *
  * Revision 1.15  1995/12/06  09:59:45  quinn
@@ -470,7 +473,7 @@ void is_pt_free(ISPT ip)
  */
 int is_readkey(ISPT ip, void *buf)
 {
-    return is_m_read_record(&ip->tab, buf);
+    return is_m_read_record(&ip->tab, buf, 0);
 }    
 
 int is_numkeys(ISPT ip)
diff --git a/isam/memory.c b/isam/memory.c
index 475b5fc..afb7887 100644
--- a/isam/memory.c
+++ b/isam/memory.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: memory.c,v $
- * Revision 1.8  1995-12-06 14:48:27  quinn
+ * Revision 1.9  1995-12-06 15:48:46  quinn
+ * Fixed update-problem.
+ *
+ * Revision 1.8  1995/12/06  14:48:27  quinn
  * Fixed some strange bugs.
  *
  * Revision 1.7  1995/12/06  09:59:46  quinn
@@ -337,7 +340,7 @@ int is_m_peek_record(is_mtable *tab, void *rec)
     return 1;
 }
 
-int is_m_read_record(is_mtable *tab, void *buf)
+int is_m_read_record(is_mtable *tab, void *buf, int keep)
 {
     is_mbuf *mbuf;
 
@@ -350,7 +353,7 @@ 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 (!keep && tab->cur_mblock->state == IS_MBSTATE_CLEAN &&
 		tab->cur_mblock->diskpos > 0)
 	    {
 		xfree_mbufs(tab->cur_mblock->data);
@@ -388,7 +391,7 @@ int is_m_seek_record(is_mtable *tab, const void *rec)
 
     for (;;)
     {
-	if (is_m_read_record(tab, &peek) <= 0)
+	if (is_m_read_record(tab, &peek, 1) <= 0)
 	    return 1;
 	if ((rs = (*tab->is->cmp)(peek, rec)) > 0)
 	{
diff --git a/isam/memory.h b/isam/memory.h
index 2f92ee0..d082556 100644
--- a/isam/memory.h
+++ b/isam/memory.h
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: memory.h,v $
- * Revision 1.3  1994-09-28 16:58:33  quinn
+ * Revision 1.4  1995-12-06 15:48:47  quinn
+ * Fixed update-problem.
+ *
+ * Revision 1.3  1994/09/28  16:58:33  quinn
  * Small mod.
  *
  * Revision 1.2  1994/09/27  20:03:52  quinn
@@ -90,7 +93,7 @@ void is_m_rewind(is_mtable *tab);
 void is_m_replace_record(is_mtable *tab, const void *rec);
 int is_m_write_record(is_mtable *tab, const void *rec);
 void is_m_unread_record(is_mtable *tab);
-int is_m_read_record(is_mtable *tab, void *buf);
+int is_m_read_record(is_mtable *tab, void *buf, int keep);
 int is_m_seek_record(is_mtable *tab, const void *rec);
 void is_m_delete_record(is_mtable *tab);
 int is_m_peek_record(is_mtable *tab, void *rec);
-- 
1.7.10.4