X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/8187c3f305da2db645e8d0aabb3597c6e012dcf9..4263f395efd136dece52d765dfcff3c96f17506e:/src/src/dbfn.c

diff --git a/src/src/dbfn.c b/src/src/dbfn.c
index 36110f3e9..c74ac9c50 100644
--- a/src/src/dbfn.c
+++ b/src/src/dbfn.c
@@ -1,10 +1,8 @@
-/* $Cambridge: exim/src/src/dbfn.c,v 1.4 2005/06/22 14:45:05 ph10 Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2009 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -80,6 +78,10 @@ Returns:   NULL if the open failed, or the locking failed. After locking
 
            On success, dbblock is returned. This contains the dbm pointer and
            the fd of the locked lock file.
+
+There are some calls that use O_RDWR|O_CREAT for the flags. Having discovered
+this in December 2005, I'm not sure if this is correct or not, but for the
+moment I haven't changed them.
 */
 
 open_db *
@@ -138,10 +140,10 @@ alarm(0);
 if (sigalrm_seen) errno = ETIMEDOUT;
 if (rc < 0)
   {
-  log_write(0, LOG_MAIN, "Failed to get %s lock for %s: %s",
-    ((flags & O_RDONLY) != 0)? "read" : "write", buffer,
+  log_write(0, LOG_MAIN|LOG_PANIC, "Failed to get %s lock for %s: %s",
+    read_only? "read" : "write", buffer,
     (errno == ETIMEDOUT)? "timed out" : strerror(errno));
-  close(dbblock->lockfd);
+  (void)close(dbblock->lockfd);
   errno = 0;       /* Indicates locking failure */
   return NULL;
   }
@@ -206,7 +208,7 @@ if (created && geteuid() == root_uid)
       if (Ustat(buffer, &statbuf) >= 0 && statbuf.st_uid != exim_uid)
         {
         DEBUG(D_hints_lookup) debug_printf("ensuring %s is owned by exim\n", buffer);
-        Uchown(buffer, exim_uid, exim_gid);
+        (void)Uchown(buffer, exim_uid, exim_gid);
         }
       }
     }
@@ -229,13 +231,15 @@ if (dbblock->dbptr == NULL)
         debug_printf("%s", CS string_open_failed(save_errno, "DB file %s\n",
           buffer));
     }
-  close(dbblock->lockfd);
+  (void)close(dbblock->lockfd);
   errno = save_errno;
   return NULL;
   }
 
 DEBUG(D_hints_lookup)
-  debug_printf("opened hints database %s: flags=%x\n", buffer, flags);
+  debug_printf("opened hints database %s: flags=%s\n", buffer,
+    (flags == O_RDONLY)? "O_RDONLY" : (flags == O_RDWR)? "O_RDWR" :
+    (flags == (O_RDWR|O_CREAT))? "O_RDWR|O_CREAT" : "??");
 
 /* Pass back the block containing the opened database handle and the open fd
 for the lock. */
@@ -261,7 +265,7 @@ void
 dbfn_close(open_db *dbblock)
 {
 EXIM_DBCLOSE(dbblock->dbptr);
-close(dbblock->lockfd);
+(void)close(dbblock->lockfd);
 }