Use HAVE_UNISTD_H when including unistd.h.

[idzebra-moved-to-github.git] / bfile / bfile.c

diff --git a/bfile/bfile.c b/bfile/bfile.c
index facec01..99b98fc 100644 (file)
--- a/bfile/bfile.c
+++ b/bfile/bfile.c
@@ -1,4 +1,4 @@
-/* $Id: bfile.c,v 1.40 2005-03-30 09:25:23 adam Exp $
+/* $Id: bfile.c,v 1.44 2005-06-14 20:28:53 adam Exp $
    Copyright (C) 1995-2005
    Index Data ApS
 
@@ -26,10 +26,13 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include <assert.h>
 #ifdef WIN32
 #include <io.h>
-#else
+#endif
+
+#if HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
+#include <yaz/xmalloc.h>
 #include <idzebra/util.h>
 #include <idzebra/bfile.h>
 #include "mfile.h"
@@ -98,11 +101,11 @@ static void unlink_cache (BFiles bfs)
     unlink (bfs->cache_fname);
 }
 
-void bf_cache (BFiles bfs, const char *spec)
+ZEBRA_RES bf_cache (BFiles bfs, const char *spec)
 {
     if (spec)
     {
-        yaz_log (YLOG_LOG, "enabling cache spec=%s", spec);
+        yaz_log (YLOG_LOG, "enabling shadow spec=%s", spec);
         if (!bfs->commit_area)
            bfs->commit_area = mf_init ("shadow", spec, bfs->base);
         if (bfs->commit_area)
@@ -113,9 +116,15 @@ void bf_cache (BFiles bfs, const char *spec)
             strcat (bfs->cache_fname, "/cache");
             yaz_log (YLOG_LOG, "cache_fname = %s", bfs->cache_fname);
         }
+       else
+       {
+           yaz_log(YLOG_WARN, "shadow could not be enabled");
+           return ZEBRA_FAIL;
+       }
     }
     else
         bfs->commit_area = NULL;
+    return ZEBRA_OK;
 }
 
 int bf_close (BFile bf)
@@ -211,8 +220,8 @@ int bf_xclose (BFile bf, int version, const char *more_info)
 {
     if (bf->header_dirty)
     {
-       assert(bf->alloc_buf);
        zint pos = 0;
+       assert(bf->alloc_buf);
        assert(bf->magic);
        sprintf(bf->alloc_buf, "%s %d " ZINT_FORMAT " " ZINT_FORMAT " ", 
                bf->magic, version, bf->last_block, bf->free_list);