From: Adam Dickmeiss <adam@indexdata.dk>
Date: Mon, 20 Nov 1995 16:59:44 +0000 (+0000)
Subject: New update method: the 'old' keys are saved for each records.
X-Git-Tag: ZEBRA.1.0~674
X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=commitdiff_plain;h=ea01436a957572aaaa878b59469a4cedce7e5e21

New update method: the 'old' keys are saved for each records.
---

diff --git a/index/Makefile b/index/Makefile
index 673a076..16ed4e3 100644
--- a/index/Makefile
+++ b/index/Makefile
@@ -1,14 +1,14 @@
 # Copyright (C) 1995, Index Data I/S 
 # All rights reserved.
 # Sebastian Hammer, Adam Dickmeiss
-# $Id: Makefile,v 1.20 1995-11-20 11:56:21 adam Exp $
+# $Id: Makefile,v 1.21 1995-11-20 16:59:44 adam Exp $
 
 SHELL=/bin/sh
 RANLIB=ranlib
 
-YAZLIB=-lyaz
-YAZINC=
-OSILIB=../../xtimosi/src/libmosi.a -lrfc
+YAZLIB=../../yaz/lib/libyaz.a
+YAZINC=-I../../yaz/include
+OSILIB=../../xtimosi/src/libmosi.a ../../yaz/lib/librfc.a
 #NETLIB=-lnsl -lsocket
 
 INCLUDE=-I../include $(YAZINC)
diff --git a/index/dir.c b/index/dir.c
index bc88bfb..cd80bff 100644
--- a/index/dir.c
+++ b/index/dir.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: dir.c,v $
- * Revision 1.10  1995-11-20 11:56:22  adam
+ * Revision 1.11  1995-11-20 16:59:44  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.10  1995/11/20  11:56:22  adam
  * Work on new traversal.
  *
  * Revision 1.9  1995/10/30  13:42:12  adam
@@ -83,11 +86,10 @@ struct dir_entry *dir_open (const char *rep)
         {
             struct dir_entry *entry_n;
 
-            entry_n = xmalloc (sizeof(*entry) * (entry_max + 1000));
+            entry_n = xmalloc (sizeof(*entry) * (entry_max += 1000));
             memcpy (entry_n, entry, idx * sizeof(*entry));
             xfree (entry);
             entry = entry_n;
-            entry_max += 100;
         }
         strcpy (path + pathpos, dent->d_name);
         stat (path, &finfo);
@@ -112,6 +114,7 @@ struct dir_entry *dir_open (const char *rep)
     }
     entry[idx].name = NULL;
     closedir (dir);
+    logf (LOG_LOG, "dir_close");
     return entry;
 }
 
diff --git a/index/dirs.c b/index/dirs.c
index ce6da3f..2e69cf8 100644
--- a/index/dirs.c
+++ b/index/dirs.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: dirs.c,v $
- * Revision 1.2  1995-11-20 11:56:23  adam
+ * Revision 1.3  1995-11-20 16:59:45  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.2  1995/11/20  11:56:23  adam
  * Work on new traversal.
  *
  * Revision 1.1  1995/11/17  15:54:42  adam
@@ -97,7 +100,7 @@ struct dirs_info *dirs_open (Dict dict, const char *rep)
 
 struct dirs_entry *dirs_read (struct dirs_info *p)
 {
-    int before = 0, after = p->no_max;
+    int before = 0, after = p->no_max+1;
 
     if (p->no_read < p->no_cur)
     {
@@ -107,10 +110,6 @@ struct dirs_entry *dirs_read (struct dirs_info *p)
     }
     if (p->no_cur < p->no_max)
         return p->last_entry = NULL;
-#if 0
-    strcpy (p->nextpath, p->prefix);
-    strcat (p->nextpath, (p->entries + p->no_max-1)->path);
-#endif
     p->no_cur = -1;
     logf (LOG_DEBUG, "dirs_read rescan");
     dict_scan (p->dict, p->nextpath, &before, &after, p, dirs_client_proc);
diff --git a/index/extract.c b/index/extract.c
index 9207ab7..bd1b4f0 100644
--- a/index/extract.c
+++ b/index/extract.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: extract.c,v $
- * Revision 1.26  1995-11-20 11:56:24  adam
+ * Revision 1.27  1995-11-20 16:59:45  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.26  1995/11/20  11:56:24  adam
  * Work on new traversal.
  *
  * Revision 1.25  1995/11/16  15:34:54  adam
@@ -113,13 +116,17 @@ static SYSNO sysno_next;
 
 static int key_cmd;
 static int key_sysno;
-static char *key_databaseName;
+static const char *key_databaseName;
 static char **key_buf;
 static size_t ptr_top;
 static size_t ptr_i;
-static size_t kused;
+static size_t key_buf_used;
 static int key_file_no;
 
+static int key_del_max;
+static int key_del_used;
+static char *key_del_buf;
+
 void key_open (int mem)
 {
 #if !RECORD_BASE
@@ -130,9 +137,13 @@ void key_open (int mem)
     key_buf = xmalloc (mem);
     ptr_top = mem/sizeof(char*);
     ptr_i = 0;
-    kused = 0;
+
+    key_buf_used = 0;
     key_file_no = 0;
 
+    key_del_buf = NULL;
+    key_del_max = 0;
+
     if (!(file_idx = dict_open (FNAME_FILE_DICT, 40, 1)))
     {
         logf (LOG_FATAL, "dict_open fail of %s", "fileidx");
@@ -259,7 +270,7 @@ void key_flush (void)
     }
     logf (LOG_LOG, "finished section %d", key_file_no);
     ptr_i = 0;
-    kused = 0;
+    key_buf_used = 0;
 }
 
 int key_close (void)
@@ -273,6 +284,10 @@ int key_close (void)
     dict_insert (file_idx, ".", sizeof(sysno_next), &sysno_next);
 #endif
     dict_close (file_idx);
+
+    xfree (key_del_buf);
+    key_del_buf = NULL;
+    key_del_max = 0;
     return key_file_no;
 }
 
@@ -288,28 +303,69 @@ static void wordAdd (const RecWord *p)
     struct it_key key;
     size_t i;
 
-    if (kused + 1024 > (ptr_top-ptr_i)*sizeof(char*))
+    if (key_buf_used + 1024 > (ptr_top-ptr_i)*sizeof(char*))
         key_flush ();
     ++ptr_i;
-    key_buf[ptr_top-ptr_i] = (char*)key_buf + kused;
-    kused += index_word_prefix ((char*)key_buf + kused,
+    key_buf[ptr_top-ptr_i] = (char*)key_buf + key_buf_used;
+    key_buf_used += index_word_prefix ((char*)key_buf + key_buf_used,
                                 p->attrSet, p->attrUse,
                                 key_databaseName);
     switch (p->which)
     {
     case Word_String:
         for (i = 0; p->u.string[i]; i++)
-            ((char*)key_buf) [kused++] = index_char_cvt (p->u.string[i]);
-        ((char*)key_buf) [kused++] = '\0';
+            ((char*)key_buf) [key_buf_used++] =
+                index_char_cvt (p->u.string[i]);
+        ((char*)key_buf) [key_buf_used++] = '\0';
         break;
     default:
         return ;
     }
-    ((char*) key_buf)[kused++] = ((key_cmd == 'a') ? 1 : 0);
+    ((char*) key_buf)[key_buf_used++] = ((key_cmd == 'a') ? 1 : 0);
     key.sysno = key_sysno;
     key.seqno = p->seqno;
-    memcpy ((char*)key_buf + kused, &key, sizeof(key));
-    kused += sizeof(key);
+    memcpy ((char*)key_buf + key_buf_used, &key, sizeof(key));
+    key_buf_used += sizeof(key);
+
+    if (key_cmd == 'a' && key_del_used >= 0)
+    {
+        char attrSet;
+        short attrUse;
+        if (key_del_used + 1024 > key_del_max)
+        {
+            char *kbn;
+            
+            if (!(kbn = malloc (key_del_max += 64000)))
+            {
+                logf (LOG_FATAL, "malloc");
+                exit (1);
+            }
+            if (key_del_buf)
+                memcpy (kbn, key_del_buf, key_del_used);
+            free (key_del_buf);
+            key_del_buf = kbn;
+        }
+        switch (p->which)
+        {
+        case Word_String:
+            for (i = 0; p->u.string[i]; i++)
+                ((char*)key_del_buf) [key_del_used++] = p->u.string[i];
+            ((char*)key_del_buf) [key_del_used++] = '\0';
+            break;
+        default:
+            return ;
+        }
+        attrSet = p->attrSet;
+        memcpy (key_del_buf + key_del_used, &attrSet, sizeof(attrSet));
+        key_del_used += sizeof(attrSet);
+
+        attrUse = p->attrUse;
+        memcpy (key_del_buf + key_del_used, &attrUse, sizeof(attrUse));
+        key_del_used += sizeof(attrUse);
+
+        memcpy (key_del_buf + key_del_used, &p->seqno, sizeof(p->seqno));
+        key_del_used += sizeof(p->seqno);
+    }
 }
 
 static void wordAddAny (const RecWord *p)
@@ -326,9 +382,6 @@ static void wordAddAny (const RecWord *p)
     wordAdd (p);
 }
 
-
-#define FILE_READ_BUF 1
-#if FILE_READ_BUF
 static char *file_buf;
 static int file_offset;
 static int file_bufsize;
@@ -389,12 +442,7 @@ static int file_read (int fd, char *buf, size_t count)
     file_offset += count;
     return count;
 }
-#else
-static int file_read (int fd, char *buf, size_t count)
-{
-    return read (fd, buf, count);
-}
-#endif
+
 SYSNO file_extract (int cmd, const char *fname, const char *kname,
                     char *databaseName)
 {
@@ -407,6 +455,7 @@ SYSNO file_extract (int cmd, const char *fname, const char *kname,
     struct recExtractCtrl extractCtrl;
     RecType rt;
 
+    key_del_used = -1;
     key_databaseName = databaseName;
     for (i = strlen(fname); --i >= 0; )
         if (fname[i] == '/')
@@ -433,10 +482,9 @@ SYSNO file_extract (int cmd, const char *fname, const char *kname,
 
         sysno = rec->sysno;
         dict_insert (file_idx, kname, sizeof(sysno), &sysno);
-        rec->info[0] = rec_strdup (file_type);
-        rec->info[1] = rec_strdup (kname);
-        rec_put (records, rec);
-        rec_rm (rec);
+        rec->info[0] = rec_strdup (file_type, &rec->size[0]);
+        rec->info[1] = rec_strdup (kname, &rec->size[1]);
+        rec_put (records, &rec);
 #else
         sysno = sysno_next++;
         dict_insert (file_idx, kname, sizeof(sysno), &sysno);
@@ -456,18 +504,149 @@ SYSNO file_extract (int cmd, const char *fname, const char *kname,
     extractCtrl.subType = "";
     extractCtrl.init = wordInit;
     extractCtrl.add = wordAddAny;
-#if FILE_READ_BUF
+
     file_read_start (extractCtrl.fd);
-#endif
+
     extractCtrl.readf = file_read;
     key_sysno = sysno;
     key_cmd = cmd;
     r = (*rt->extract)(&extractCtrl);
-#if FILE_READ_BUF
+
     file_read_stop (extractCtrl.fd);
-#endif
+
     close (extractCtrl.fd);
     if (r)
         logf (LOG_WARN, "Couldn't extract file %s, code %d", fname, r);
     return sysno;
 }
+
+int fileExtract (SYSNO *sysno, const char *fname, const char *databaseName,
+                 int deleteFlag)
+{
+    int i, r;
+    char ext[128];
+    char ext_res[128];
+    const char *file_type;
+    struct recExtractCtrl extractCtrl;
+    RecType rt;
+    Record rec;
+
+    logf (LOG_DEBUG, "fileExtractAdd %s", fname);
+
+    key_del_used = 0;
+    for (i = strlen(fname); --i >= 0; )
+        if (fname[i] == '/')
+        {
+            strcpy (ext, "");
+            break;
+        }
+        else if (fname[i] == '.')
+        {
+            strcpy (ext, fname+i+1);
+            break;
+        }
+    sprintf (ext_res, "fileExtension.%s", ext);
+    if (!(file_type = res_get (common_resource, ext_res)))
+        return 0;
+    if (!(rt = recType_byName (file_type)))
+        return 0;
+
+    if ((extractCtrl.fd = open (fname, O_RDONLY)) == -1)
+    {
+        logf (LOG_WARN|LOG_ERRNO, "open %s", fname);
+        return 0;
+    }
+
+    extractCtrl.subType = "";
+    extractCtrl.init = wordInit;
+    extractCtrl.add = wordAddAny;
+
+    if (! *sysno)
+    {
+        logf (LOG_LOG, "add record %s", fname);
+        rec = rec_new (records);
+        *sysno = rec->sysno;
+        rec->info[0] = rec_strdup (file_type, &rec->size[0]);
+        rec->info[1] = rec_strdup (fname, &rec->size[1]);
+        rec->info[3] = rec_strdup (databaseName, &rec->size[3]);
+    }
+    else
+    {
+        size_t off;
+        char *kb;
+
+        if (deleteFlag)
+            logf (LOG_LOG, "delete record %s", fname);
+        else
+            logf (LOG_LOG, "update record %s", fname);
+        rec = rec_get (records, *sysno);
+
+        key_cmd = 'd';
+        key_sysno = *sysno;
+        key_databaseName = rec->info[3];
+        kb = rec->info[2];
+        for (off = 0; off < rec->size[2]; )
+        {
+            RecWord rw;
+            char   attrSet;
+            short  attrUse;
+
+            rw.which = Word_String;
+            rw.u.string = kb + off;
+            while (kb[off])
+                off++;
+            off++;
+            memcpy (&attrSet, kb + off, sizeof(attrSet));
+            off += sizeof(attrSet);
+            memcpy (&attrUse, kb + off, sizeof(attrUse));
+            off += sizeof(attrUse);
+            memcpy (&rw.seqno, kb + off, sizeof(rw.seqno));
+            off += sizeof(rw.seqno);
+            rw.attrSet = attrSet;
+            rw.attrUse = attrUse;
+
+            (*extractCtrl.add) (&rw);
+        }
+        assert (off == rec->size[2]);
+        free (rec->info[2]);
+        rec->info[2] = NULL;
+        rec->size[2] = 0;
+
+        free (rec->info[3]);
+        rec->info[3] = rec_strdup (databaseName, &rec->size[3]);
+    }
+
+    if (deleteFlag)
+    {
+#if 0
+        rec_del (records, *sysno);
+        rec_rm (&rec);
+#endif
+        return 1;
+    }
+    
+    key_databaseName = databaseName;
+    key_sysno = *sysno;
+    key_cmd = 'a';
+
+    file_read_start (extractCtrl.fd);
+    extractCtrl.readf = file_read;
+    r = (*rt->extract)(&extractCtrl);
+    file_read_stop (extractCtrl.fd);
+
+    close (extractCtrl.fd);
+    if (r)
+    {
+        rec_rm (&rec);
+        logf (LOG_WARN, "Couldn't extract file %s, code %d", fname, r);
+        return 0;
+    }
+    if (key_del_used > 0)
+    {
+        rec->size[2] = key_del_used;
+        rec->info[2] = malloc (rec->size[2]);
+        memcpy (rec->info[2], key_del_buf, rec->size[2]);
+    }
+    rec_put (records, &rec);
+    return 1;
+}
diff --git a/index/index.h b/index/index.h
index 7989608..025c256 100644
--- a/index/index.h
+++ b/index/index.h
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: index.h,v $
- * Revision 1.22  1995-11-20 11:56:26  adam
+ * Revision 1.23  1995-11-20 16:59:45  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.22  1995/11/20  11:56:26  adam
  * Work on new traversal.
  *
  * Revision 1.21  1995/11/16  15:34:55  adam
@@ -84,7 +87,7 @@
 #define IT_KEY_HAVE_FIELD 0
 
 struct it_key {
-    int   sysno;
+    int  sysno;
     int   seqno;
 };
 
@@ -99,7 +102,7 @@ struct dir_entry {
 struct dirs_entry {
     enum dirsKind kind;
     char path[256];
-    int sysno;
+    SYSNO sysno;
     int ctime;
 };
 
@@ -151,5 +154,7 @@ void strtab_del (struct strtab *t,
                  void *data);
 int index_char_cvt (int c);
 int index_word_prefix (char *string, int attset_ordinal,
-                       int local_attribute, char *databaseName);
+                       int local_attribute, const char *databaseName);
 
+int fileExtract (SYSNO *sysno, const char *fname, const char *databaseName,
+                 int deleteFlag);
diff --git a/index/kcompare.c b/index/kcompare.c
index b5b3b63..878f491 100644
--- a/index/kcompare.c
+++ b/index/kcompare.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: kcompare.c,v $
- * Revision 1.14  1995-10-30 15:08:08  adam
+ * Revision 1.15  1995-11-20 16:59:46  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.14  1995/10/30  15:08:08  adam
  * Bug fixes.
  *
  * Revision 1.13  1995/10/27  14:00:11  adam
@@ -125,7 +128,7 @@ int index_char_cvt (int c)
 
 int index_word_prefix (char *string, int attset_ordinal,
                        int local_attribute,
-                       char *databaseName)
+                       const char *databaseName)
 {
     int i;
     sprintf (string, "%s@%c%04d", databaseName,
diff --git a/index/recindex.c b/index/recindex.c
index 6b8f1f7..bdd134c 100644
--- a/index/recindex.c
+++ b/index/recindex.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: recindex.c,v $
- * Revision 1.3  1995-11-16 15:34:55  adam
+ * Revision 1.4  1995-11-20 16:59:46  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.3  1995/11/16  15:34:55  adam
  * Uses new record management system in both indexer and server.
  *
  * Revision 1.2  1995/11/15  19:13:08  adam
@@ -66,13 +69,17 @@ struct record_index_entry {
 
 #define REC_HEAD_MAGIC "rechead"
 
-char *rec_strdup (const char *s)
+char *rec_strdup (const char *s, size_t *len)
 {
     char *p;
 
     if (!s)
+    {
+        *len = 0;
         return NULL;
-    p = malloc (strlen(s)+1);
+    }
+    *len = strlen(s)+1;
+    p = malloc (*len);
     if (!p)
     {
         logf (LOG_FATAL|LOG_ERRNO, "malloc");
@@ -209,9 +216,9 @@ static void rec_write_single (Records p, Record rec)
 
     for (i = 0; i < REC_NO_INFO; i++)
         if (!rec->info[i])
-            size++;
+            size += sizeof(*rec->size);
         else
-            size += strlen(rec->info[i])+1;
+            size += sizeof(*rec->size) + rec->size[i];
     
     entry.u.used.offset = p->head.data_size;
     entry.u.used.size = size;
@@ -253,13 +260,15 @@ static void rec_write_single (Records p, Record rec)
     }
     cptr = p->tmp_buf;
     for (i = 0; i < REC_NO_INFO; i++)
-        if (!rec->info[i])
-            *cptr++ = '\0';
-        else
+    {
+        memcpy (cptr, &rec->size[i], sizeof(*rec->size));
+        cptr += sizeof(*rec->size);
+        if (rec->info[i])
         {
-            strcpy (cptr, rec->info[i]);
-            cptr += strlen(rec->info[i]) + 1;
+            memcpy (cptr, rec->info[i], rec->size[i]);
+            cptr += rec->size[i];
         }
+    }
     for (got = 0; got < entry.u.used.size; got += r)
     {
         r = write (p->data_fd, p->tmp_buf + got, entry.u.used.size - got);
@@ -279,7 +288,7 @@ static void rec_cache_flush (Records p)
         struct record_cache_entry *e = p->record_cache + i;
         if (e->dirty)
             rec_write_single (p, e->rec);
-        rec_rm (e->rec);
+        rec_rm (&e->rec);
     }
     p->cache_cur = 0;
 }
@@ -385,16 +394,18 @@ Record rec_get (Records p, int sysno)
 
     nptr = p->tmp_buf;
     for (i = 0; i < REC_NO_INFO; i++)
-        if (*nptr)
+    {
+        memcpy (&rec->size[i], nptr, sizeof(*rec->size));
+        nptr += sizeof(*rec->size);
+        if (rec->size[i])
         {
-            rec->info[i] = rec_strdup (nptr);
-            nptr += strlen(nptr)+1;
+            rec->info[i] = malloc (rec->size[i]);
+            memcpy (rec->info[i], nptr, rec->size[i]);
+            nptr += rec->size[i];
         }
         else
-        {
-            nptr++;
             rec->info[i] = NULL;
-        }
+    }
     rec_cache_insert (p, rec, 0);
     return rec;
 }
@@ -423,30 +434,38 @@ Record rec_new (Records p)
     (p->head.no_records)++;
     rec->sysno = sysno;
     for (i = 0; i < REC_NO_INFO; i++)
+    {
         rec->info[i] = NULL;
+        rec->size[i] = 0;
+    }
     rec_cache_insert (p, rec, 1);
     return rec;
 }
 
-void rec_put (Records p, Record rec)
+void rec_put (Records p, Record *recpp)
 {
     Record *recp;
 
-    if ((recp = rec_cache_lookup (p, rec->sysno, 1)))
+    if ((recp = rec_cache_lookup (p, (*recpp)->sysno, 1)))
     {
-        rec_rm (*recp);
-        *recp = rec_cp (rec);
+        rec_rm (recp);
+        *recp = *recpp;
     }
     else
-        rec_cache_insert (p, rec, 1);
+    {
+        rec_cache_insert (p, *recpp, 1);
+        rec_rm (recpp);
+    }
+    *recpp = NULL;
 }
 
-void rec_rm (Record rec)
+void rec_rm (Record *recpp)
 {
     int i;
     for (i = 0; i < REC_NO_INFO; i++)
-        free (rec->info[i]);
-    free (rec);
+        free ((*recpp)->info[i]);
+    free (*recpp);
+    *recpp = NULL;
 }
 
 Record rec_cp (Record rec)
@@ -461,6 +480,20 @@ Record rec_cp (Record rec)
     }
     n->sysno = rec->sysno;
     for (i = 0; i < REC_NO_INFO; i++)
-        n->info[i] = rec_strdup (rec->info[i]);
+        if (!rec->info[i])
+        {
+            n->info[i] = NULL;
+            n->size[i] = 0;
+        }
+        else
+        {
+            n->size[i] = rec->size[i];
+            if (!(n->info[i] = malloc (rec->size[i])))
+            {
+                logf (LOG_FATAL|LOG_ERRNO, "malloc. rec_cp");
+                exit (1);
+            }
+            memcpy (n->info[i], rec->info[i], rec->size[i]);
+        }
     return n;
 }
diff --git a/index/recindex.h b/index/recindex.h
index 474d485..b12fa8e 100644
--- a/index/recindex.h
+++ b/index/recindex.h
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: recindex.h,v $
- * Revision 1.2  1995-11-15 19:13:08  adam
+ * Revision 1.3  1995-11-20 16:59:46  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.2  1995/11/15  19:13:08  adam
  * Work on record management.
  *
  * Revision 1.1  1995/11/15  14:46:21  adam
@@ -19,15 +22,16 @@
 typedef struct record_info {
     int sysno;
     char *info[REC_NO_INFO];
+    size_t size[REC_NO_INFO];
 } *Record;
 
 typedef struct records_info *Records;
 
 Record rec_cp (Record rec);
-void rec_rm (Record rec);
-void rec_put (Records p, Record rec);
+void rec_rm (Record *recpp);
+void rec_put (Records p, Record *recpp);
 Record rec_new (Records p);
 Record rec_get (Records p, int sysno);
 void rec_close (Records *p);
 Records rec_open (int rw);
-char *rec_strdup (const char *s);
+char *rec_strdup (const char *s, size_t *len);
diff --git a/index/trav.c b/index/trav.c
index faf7571..1b5a094 100644
--- a/index/trav.c
+++ b/index/trav.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: trav.c,v $
- * Revision 1.7  1995-11-20 11:56:28  adam
+ * Revision 1.8  1995-11-20 16:59:46  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.7  1995/11/20  11:56:28  adam
  * Work on new traversal.
  *
  * Revision 1.6  1995/11/17  15:54:42  adam
@@ -348,7 +351,7 @@ static void repositoryUpdateR (struct dirs_info *di, struct dirs_entry *dst,
     {
         int sd;
 
-        if (dst && !repComp (dst->path, src, src_len))
+        if (dst && !repComp (dst->path, src, src_len+1))
         {
             if (e_src[i_src].name)
             {
@@ -374,11 +377,10 @@ static void repositoryUpdateR (struct dirs_info *di, struct dirs_entry *dst,
             case dirs_file:
                 if (e_src[i_src].ctime > dst->ctime)
                 {
-                    file_extract ('d', tmppath, tmppath, databaseName);
-                    file_extract ('a', tmppath, tmppath, databaseName);
-                    dirs_add (di, src, dst->sysno, e_src[i_src].ctime);
+                    if (fileExtract (&dst->sysno, tmppath, databaseName, 0))
+                        dirs_add (di, src, dst->sysno, e_src[i_src].ctime);
                 }
-                dst = dirs_read (di); 
+                dst = dirs_read (di);
                 break;
             case dirs_dir:
                 repositoryUpdateR (di, dst, base, src, databaseName);
@@ -392,18 +394,20 @@ static void repositoryUpdateR (struct dirs_info *di, struct dirs_entry *dst,
         }
         else if (sd > 0)
         {
-            SYSNO sysno;
+            SYSNO sysno = 0;
             strcpy (src + src_len+1, e_src[i_src].name);
             sprintf (tmppath, "%s%s", base, src);
 
             switch (e_src[i_src].kind)
             {
             case dirs_file:
-                sysno = file_extract ('a', tmppath, tmppath, databaseName);
-                dirs_add (di, src, sysno, e_src[i_src].ctime);            
+                if (fileExtract (&sysno, tmppath, databaseName, 0))
+                    dirs_add (di, src, sysno, e_src[i_src].ctime);            
                 break;
             case dirs_dir:
                 repositoryUpdateR (di, dst, base, src, databaseName);
+                if (dst)
+                    dst = dirs_last (di);
                 break;
             }
             i_src++;
diff --git a/index/zserver.c b/index/zserver.c
index 61d6154..e5ceb5a 100644
--- a/index/zserver.c
+++ b/index/zserver.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: zserver.c,v $
- * Revision 1.23  1995-11-16 17:00:56  adam
+ * Revision 1.24  1995-11-20 16:59:47  adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.23  1995/11/16  17:00:56  adam
  * Better logging of rpn query.
  *
  * Revision 1.22  1995/11/16  15:34:55  adam
@@ -225,7 +228,7 @@ static int record_fetch (ZServerInfo *zi, int sysno, int score, ODR stream,
         *rec_bufp = msg;
         *rec_lenp = strlen (msg);
 #if RECORD_BASE
-        rec_rm (rec);
+        rec_rm (&rec);
 #endif
         return 0;     /* or 14: System error in presenting records */
     }
@@ -242,7 +245,7 @@ static int record_fetch (ZServerInfo *zi, int sysno, int score, ODR stream,
     *rec_lenp = retrieveCtrl.rec_len;
     close (retrieveCtrl.fd);
 #if RECORD_BASE
-    rec_rm (rec);
+    rec_rm (&rec);
 #endif
     return retrieveCtrl.diagnostic;
 }