X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=isamb%2Fisamb.c;h=9d4d4008588ad1cb8fd2c9af92d5cb9459c2b1d9;hb=28045b27be52a2f8ac41900051612f5640cea165;hp=03bd1bb80d5d133719d28a43330bd17d808d5982;hpb=89d3a004b7c651fd5673abfc192e1472dc4d4197;p=idzebra-moved-to-github.git

diff --git a/isamb/isamb.c b/isamb/isamb.c
index 03bd1bb..9d4d400 100644
--- a/isamb/isamb.c
+++ b/isamb/isamb.c
@@ -1,4 +1,4 @@
-/* $Id: isamb.c,v 1.91 2007-01-15 15:10:17 adam Exp $
+/* $Id: isamb.c,v 1.93 2007-04-03 16:54:46 adam Exp $
    Copyright (C) 1995-2007
    Index Data ApS
 
@@ -291,17 +291,20 @@ ISAMB isamb_open2(BFiles bfs, const char *name, int writeflag, ISAMC_M *method,
 	    if (memcmp(hbuf, "isamb", 5))
 	    {
 		yaz_log(YLOG_WARN, "bad isamb header for file %s", fname);
+                isamb_close(isamb);
 		return 0;
 	    }
 	    if (sscanf(hbuf+5, "%d %d %d", &major, &minor, &len) != 3)
 	    {
 		yaz_log(YLOG_WARN, "bad isamb header for file %s", fname);
+                isamb_close(isamb);
 		return 0;
 	    }
 	    if (major != ISAMB_MAJOR_VERSION)
 	    {
 		yaz_log(YLOG_WARN, "bad major version for file %s %d, must be %d",
 		     fname, major, ISAMB_MAJOR_VERSION);
+                isamb_close(isamb);
 		return 0;
 	    }
 	    for (left = len - sizes[i]; left > 0; left = left - sizes[i])
@@ -312,6 +315,7 @@ ISAMB isamb_open2(BFiles bfs, const char *name, int writeflag, ISAMC_M *method,
 		    yaz_log(YLOG_WARN, "truncated isamb header for " 
 			 "file=%s len=%d pos=%d",
 			 fname, len, pos);
+                    isamb_close(isamb);
 		    return 0;
 		}
 	    }
@@ -327,7 +331,11 @@ ISAMB isamb_open2(BFiles bfs, const char *name, int writeflag, ISAMC_M *method,
                 decode_ptr(&src, &isamb->root_ptr);
 	}
         assert (isamb->file[i].head.block_size >= isamb->file[i].head.block_offset);
-        isamb->file[i].head_dirty = 0;
+        /* must rewrite the header if root ptr is in use (bug #1017) */
+        if (use_root_ptr && writeflag)
+            isamb->file[i].head_dirty = 1;
+        else
+            isamb->file[i].head_dirty = 0;
         assert(isamb->file[i].head.block_size == sizes[i]);
     }
 #if ISAMB_DEBUG
@@ -450,6 +458,7 @@ void isamb_close (ISAMB isamb)
     yaz_log(YLOG_DEBUG, "isamb_close returned "ZINT_FORMAT" values, "
 		   "skipped "ZINT_FORMAT,
          isamb->skipped_numbers, isamb->returned_numbers);
+
     for (i = 0; i<isamb->no_cat; i++)
     {
         flush_blocks (isamb, i);