sd->log.open() and sd->log.close() are NULL for the "null" storage

system.  The code was assuming that these functions are defined
for all storage types.  That caused coredumps upon reconfigure.  Now
only call those functions if non-NULL.

diff --git a/src/store_dir.cc b/src/store_dir.cc
index adbd47939399a1312b867718928ee358181ad807..4066203acb9c416c132196199681825b844510fb 100644 (file)
--- a/src/store_dir.cc
+++ b/src/store_dir.cc
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_dir.cc,v 1.127 2001/02/23 20:59:51 hno Exp $
+ * $Id: store_dir.cc,v 1.128 2001/03/13 19:11:25 wessels Exp $
  *
  * DEBUG: section 47    Store Directory Routines
  * AUTHOR: Duane Wessels
@@ -334,7 +334,8 @@ storeDirOpenSwapLogs(void)
     SwapDir *sd;
     for (dirn = 0; dirn < Config.cacheSwap.n_configured; dirn++) {
        sd = &Config.cacheSwap.swapDirs[dirn];
-       sd->log.open(sd);
+       if (sd->log.open)
+           sd->log.open(sd);
     }
 }
 
@@ -345,7 +346,8 @@ storeDirCloseSwapLogs(void)
     SwapDir *sd;
     for (dirn = 0; dirn < Config.cacheSwap.n_configured; dirn++) {
        sd = &Config.cacheSwap.swapDirs[dirn];
-       sd->log.close(sd);
+       if (sd->log.close)
+           sd->log.close(sd);
     }
 }