17 files changed, 65 insertions, 61 deletions
diff --git a/src/src/dbstuff.h b/src/src/dbstuff.h
index aec549f48..1bc4e1eae 100644
--- a/src/src/dbstuff.h
+++ b/src/src/dbstuff.h
@@ -632,8 +632,12 @@ after reading data. */
 #  define EXIM_DBOPEN(name, dirname, flags, mode, dbpp) \
   do { \
   DEBUG(D_hints_lookup) \
-    debug_printf("EXIM_DBOPEN: file <%s> dir <%s> flags 0x%x\n", \
-      (name), (dirname), flags); \
+    debug_printf("EXIM_DBOPEN: file <%s> dir <%s> flags=%s\n", \
+      (name), (dirname),		\
+      (flags) == O_RDONLY ? "O_RDONLY"	\
+      : (flags) == O_RDWR ? "O_RDWR"	\
+      : (flags) == (O_RDWR|O_CREAT) ? "O_RDWR|O_CREAT"	\
+      : "??");	\
   EXIM_DBOPEN__(name, dirname, flags, mode, dbpp); \
   DEBUG(D_hints_lookup) debug_printf("returned from EXIM_DBOPEN: %p\n", *dbpp); \
   } while(0)
diff --git a/test/stderr/0275 b/test/stderr/0275
index 089dc2a8b..180b972ff 100644
--- a/test/stderr/0275
+++ b/test/stderr/0275
@@ -198,7 +198,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -308,7 +308,7 @@ search_tidyup called
 --------> userx@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/0278 b/test/stderr/0278
index b7c7913df..f9061a571 100644
--- a/test/stderr/0278
+++ b/test/stderr/0278
@@ -145,7 +145,7 @@ Delivery address list:
   CALLER@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -210,7 +210,7 @@ search_tidyup called
 --------> CALLER@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/0361 b/test/stderr/0361
index 4d3bb363b..ce89dca9a 100644
--- a/test/stderr/0361
+++ b/test/stderr/0361
@@ -86,7 +86,7 @@ Delivery address list:
   kilos@recurse.test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -123,7 +123,7 @@ rewrite_one_header: type=F:
 re-routed to kilos@recurse.test.ex.test.ex
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -163,7 +163,7 @@ routed by r3 router
   transport: <none>
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -212,7 +212,7 @@ search_tidyup called
 --------> kilos@recurse.test.ex.test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/0386 b/test/stderr/0386
index 5573a9964..bdc9c824a 100644
--- a/test/stderr/0386
+++ b/test/stderr/0386
@@ -252,7 +252,7 @@ Delivery address list:
   2@b 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -290,7 +290,7 @@ search_tidyup called
 --------> 2@b <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -436,7 +436,7 @@ Delivery address list:
   2@b 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -473,7 +473,7 @@ search_tidyup called
 --------> 2@b <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/0388 b/test/stderr/0388
index 5a21445c9..80df58fc0 100644
--- a/test/stderr/0388
+++ b/test/stderr/0388
@@ -9,7 +9,7 @@ set_process_info: pppp delivering specified messages
 set_process_info: pppp delivering 10HmaX-0005vi-00
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -77,7 +77,7 @@ set_process_info: pppp delivering 10HmaX-0005vi-00 using smtp
 checking status of 127.0.0.1
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -109,7 +109,7 @@ address match test: subject=*@127.0.0.1 pattern=*
 checking status of V4NET.0.0.0
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -140,7 +140,7 @@ Deferred addresses:
  x@y
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x2
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDWR
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/retry: flags=O_RDWR
 address match test: subject=x@y pattern=*
@@ -240,7 +240,7 @@ set_process_info: pppp delivering specified messages
 set_process_info: pppp delivering 10HmaY-0005vi-00
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/retry: flags=O_RDONLY
 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
diff --git a/test/stderr/0398 b/test/stderr/0398
index f61f37457..72954aee7 100644
--- a/test/stderr/0398
+++ b/test/stderr/0398
@@ -120,7 +120,7 @@ routed by r2 router
 Attempting full verification using callout
 locking TESTSUITE/spool/db/callout.lockfile
 locked  TESTSUITE/spool/db/callout.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags 0x2
+EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags=O_RDWR
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/callout: flags=O_RDWR
 dbfn_read: key=remote
@@ -151,7 +151,7 @@ cmd buf flush ddd bytes
   SMTP(close)>>
 locking TESTSUITE/spool/db/callout.lockfile
 locked  TESTSUITE/spool/db/callout.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags 0x42
+EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags=O_RDWR|O_CREAT
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/callout: flags=O_RDWR|O_CREAT
 dbfn_write: key=remote
@@ -233,7 +233,7 @@ routed by r2 router
 Attempting full verification using callout
 locking TESTSUITE/spool/db/callout.lockfile
 locked  TESTSUITE/spool/db/callout.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags 0x2
+EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags=O_RDWR
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/callout: flags=O_RDWR
 dbfn_read: key=remote
diff --git a/test/stderr/0402 b/test/stderr/0402
index 8d62a2ef5..eae68a2b0 100644
--- a/test/stderr/0402
+++ b/test/stderr/0402
@@ -221,7 +221,7 @@ Delivery address list:
   rd+usery@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -417,7 +417,7 @@ routed by r1 router
   transport: t1
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -445,7 +445,7 @@ search_tidyup called
 --------> TESTSUITE/test-mail/junk <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -505,7 +505,7 @@ LOG: MAIN
 --------> TESTSUITE/test-mail/junk <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -562,7 +562,7 @@ LOG: MAIN
 --------> CALLER@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -588,7 +588,7 @@ LOG: MAIN
 --------> usery@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -617,7 +617,7 @@ LOG: MAIN
 --------> userz@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/0403 b/test/stderr/0403
index a77d8cd98..60c9d12e5 100644
--- a/test/stderr/0403
+++ b/test/stderr/0403
@@ -74,7 +74,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -138,7 +138,7 @@ routed by r1 router
   transport: <none>
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -158,7 +158,7 @@ search_tidyup called
 --------> TESTSUITE/test-mail/junk <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/0404 b/test/stderr/0404
index 1718307be..f4f40510f 100644
--- a/test/stderr/0404
+++ b/test/stderr/0404
@@ -177,7 +177,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -221,7 +221,7 @@ routed by r2 router
   transport: <none>
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -241,7 +241,7 @@ search_tidyup called
 --------> >sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex,sender@test.ex, ... <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -3378,7 +3378,7 @@ Delivery address list:
   sender@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -17985,7 +17985,7 @@ sender@test.ex is a duplicate address: discarded
 --------> sender@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/0408 b/test/stderr/0408
index fddbe4a46..9a2e4567c 100644
--- a/test/stderr/0408
+++ b/test/stderr/0408
@@ -74,7 +74,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -139,7 +139,7 @@ search_tidyup called
 --------> userx@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/0432 b/test/stderr/0432
index 79117e25a..113d8fdaa 100644
--- a/test/stderr/0432
+++ b/test/stderr/0432
@@ -81,7 +81,7 @@ get[host|ipnode]byname[2] looked up these IP addresses:
 Attempting full verification using callout
 locking TESTSUITE/spool/db/callout.lockfile
 locked  TESTSUITE/spool/db/callout.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags 0x2
+EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags=O_RDWR
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/callout: flags=O_RDWR
 dbfn_read: key=y
@@ -112,7 +112,7 @@ cmd buf flush ddd bytes
   SMTP(close)>>
 locking TESTSUITE/spool/db/callout.lockfile
 locked  TESTSUITE/spool/db/callout.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags 0x42
+EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags=O_RDWR|O_CREAT
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/callout: flags=O_RDWR|O_CREAT
 dbfn_write: key=y
@@ -191,7 +191,7 @@ get[host|ipnode]byname[2] looked up these IP addresses:
 Attempting full verification using callout
 locking TESTSUITE/spool/db/callout.lockfile
 locked  TESTSUITE/spool/db/callout.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags 0x2
+EXIM_DBOPEN: file <TESTSUITE/spool/db/callout> dir <TESTSUITE/spool/db> flags=O_RDWR
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/callout: flags=O_RDWR
 dbfn_read: key=y
diff --git a/test/stderr/0487 b/test/stderr/0487
index 56e21b60e..7339c65f4 100644
--- a/test/stderr/0487
+++ b/test/stderr/0487
@@ -103,7 +103,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -141,7 +141,7 @@ search_tidyup called
 --------> userx@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/2600 b/test/stderr/2600
index ffdad152f..e35c43c87 100644
--- a/test/stderr/2600
+++ b/test/stderr/2600
@@ -362,7 +362,7 @@ Delivery address list:
   userx@myhost.test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -410,7 +410,7 @@ search_tidyup called
 --------> userx@myhost.test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/5004 b/test/stderr/5004
index 08b4c9784..f47197b10 100644
--- a/test/stderr/5004
+++ b/test/stderr/5004
@@ -78,7 +78,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -117,7 +117,7 @@ routed by r1 router
   transport: <none>
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -137,7 +137,7 @@ search_tidyup called
 --------> TESTSUITE/test-mail <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
diff --git a/test/stderr/5005 b/test/stderr/5005
index 7e6ea98b2..90c97f9eb 100644
--- a/test/stderr/5005
+++ b/test/stderr/5005
@@ -74,7 +74,7 @@ Delivery address list:
   nofile@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -112,7 +112,7 @@ search_tidyup called
 --------> nofile@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -265,7 +265,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -302,7 +302,7 @@ search_tidyup called
 --------> userx@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -457,7 +457,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -494,7 +494,7 @@ search_tidyup called
 --------> userx@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available
@@ -553,7 +553,7 @@ Deferred addresses:
  userx@test.ex
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x2
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDWR
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/retry: flags=O_RDWR
 address match test: subject=userx@test.ex pattern=*
@@ -658,7 +658,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/retry: flags=O_RDONLY
 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
@@ -699,7 +699,7 @@ search_tidyup called
 --------> userx@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/retry: flags=O_RDONLY
 dbfn_read: key=T:userx@test.ex
@@ -749,7 +749,7 @@ Deferred addresses:
  userx@test.ex
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x2
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDWR
 returned from EXIM_DBOPEN: 0xAAAAAAAA
 opened hints database TESTSUITE/spool/db/retry: flags=O_RDWR
 address match test: subject=userx@test.ex pattern=*
diff --git a/test/stderr/5006 b/test/stderr/5006
index e494f83b5..b4016dc3e 100644
--- a/test/stderr/5006
+++ b/test/stderr/5006
@@ -74,7 +74,7 @@ Delivery address list:
   userx@test.ex 
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 ensuring TESTSUITE/spool/db/retry.lockfile is owned by exim
 failed to open DB file TESTSUITE/spool/db/retry.lockfile: No such file or directory
@@ -112,7 +112,7 @@ search_tidyup called
 --------> userx@test.ex <--------
 locking TESTSUITE/spool/db/retry.lockfile
 locked  TESTSUITE/spool/db/retry.lockfile
-EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags 0x0
+EXIM_DBOPEN: file <TESTSUITE/spool/db/retry> dir <TESTSUITE/spool/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: (nil)
 failed to open DB file TESTSUITE/spool/db/retry: No such file or directory
 no retry data available