Continue fixing the io warnings. This also

sort of fixes bug ID 20000802.003: the core dump
is no more.  Whether the current behaviour is correct
(giving a warning: "Not a format reference"), is another matter.

p4raw-id: //depot/perl@6531

3 files changed, 42 insertions, 21 deletions

diff --git a/t/pragma/warn/doio b/t/pragma/warn/doio
index 00371031a4..2a357e2755 100644
--- a/t/pragma/warn/doio
+++ b/t/pragma/warn/doio
@@ -12,22 +12,22 @@
   warn(warn_nl, "open");		[Perl_do_open9]
     open(F, "true\ncd")
 
-  close() on unopened filehandle %s		[Perl_do_close] <<TODO
+  close() on unopened filehandle %s	[Perl_do_close]
     $a = "fred";close("$a")
 
-  tell() on unopened filehandle		[Perl_do_tell]
+  tell() on closed filehandle		[Perl_do_tell]
     $a = "fred";$a = tell($a)
 
-  seek() on unopened filehandle		[Perl_do_seek]
+  seek() on closed filehandle		[Perl_do_seek]
     $a = "fred";$a = seek($a,1,1)
 
-  sysseek() on unopened filehandle		[Perl_do_sysseek]
+  sysseek() on closed filehandle	[Perl_do_sysseek]
     $a = "fred";$a = seek($a,1,1)
 
   warn(warn_uninit);			[Perl_do_print]
     print $a ;
 
-  -x on unopened filehandle %s 		[Perl_my_stat]
+  -x on closed filehandle %s 		[Perl_my_stat]
     close STDIN ; -x STDIN ;
 
   warn(warn_nl, "stat");		[Perl_my_stat]
@@ -106,6 +106,12 @@ $a = seek(STDIN,1,1);
 $a = sysseek(STDIN,1,1);
 -x STDIN ;
 stat(STDIN) ;
+$a = "fred";
+tell($a);
+seek($a,1,1);
+sysseek($a,1,1);
+-x $a; # ok
+stat($a); # ok
 no warnings 'io' ;
 close STDIN ;
 tell(STDIN);
@@ -113,12 +119,21 @@ $a = seek(STDIN,1,1);
 $a = sysseek(STDIN,1,1);
 -x STDIN ;
 stat(STDIN) ;
+$a = "fred";
+tell($a);
+seek($a,1,1);
+sysseek($a,1,1);
+-x $a;
+stat($a);
 EXPECT
-tell() on unopened filehandle at - line 4.
-seek() on unopened filehandle at - line 5.
-sysseek() on unopened filehandle at - line 6.
--x on unopened filehandle STDIN at - line 7.
-stat() on unopened filehandle STDIN at - line 8.
+tell() on closed filehandle STDIN at - line 4.
+seek() on closed filehandle STDIN at - line 5.
+sysseek() on closed filehandle STDIN at - line 6.
+-x on closed filehandle STDIN at - line 7.
+stat() on closed filehandle STDIN at - line 8.
+tell() on unopened filehandle at - line 10.
+seek() on unopened filehandle at - line 11.
+sysseek() on unopened filehandle at - line 12.
 ########
 # doio.c [Perl_do_print]
 use warnings 'uninitialized' ;
diff --git a/t/pragma/warn/pp_hot b/t/pragma/warn/pp_hot
index fe874ef7ef..3c3cc6021f 100644
--- a/t/pragma/warn/pp_hot
+++ b/t/pragma/warn/pp_hot
@@ -1,6 +1,6 @@
   pp_hot.c	
 
-  Filehandle %s never opened			[pp_print]
+  print() on unopened filehandle abc		[pp_print]
     $f = $a = "abc" ; print $f $a
 
   Filehandle %s opened only for input		[pp_print]
@@ -52,7 +52,7 @@ print $f $a;
 no warnings 'unopened' ;
 print $f $a;
 EXPECT
-Filehandle abc never opened at - line 4.
+print() on unopened filehandle abc at - line 4.
 ########
 # pp_hot.c [pp_print]
 use warnings 'io' ;
diff --git a/t/pragma/warn/pp_sys b/t/pragma/warn/pp_sys
index feef456c7a..413a17be26 100644
--- a/t/pragma/warn/pp_sys
+++ b/t/pragma/warn/pp_sys
@@ -16,7 +16,7 @@
 
   page overflow	 				[pp_leavewrite]
 
-  Filehandle %s never opened			[pp_prtf]
+  printf() on unopened filehandle abc		[pp_prtf]
     $a = "abc"; printf $a "fred"
 
   Filehandle %s opened only for input		[pp_prtf]
@@ -79,9 +79,9 @@
 
   warn(warn_nl, "stat");			[pp_stat]
 
-  -T on unopened filehandle %s
-  stat() on unopened filehandle %s
-	close STDIN ; -T STDIN ;
+  -T on closed filehandle %s
+  stat() on closed filehandle %s
+	close STDIN ; -T STDIN ; stat(STDIN) ;
 
   warn(warn_nl, "open");			[pp_fttext]
     -T "abc\ndef" ;
@@ -158,7 +158,7 @@ printf $a "fred";
 no warnings 'unopened' ;
 printf $a "fred";
 EXPECT
-Filehandle abc never opened at - line 4.
+printf() on unopened filehandle abc at - line 4.
 ########
 # pp_sys.c [pp_prtf]
 use warnings 'closed' ;
@@ -355,16 +355,22 @@ EXPECT
 lstat() on filehandle STDIN at - line 13.
 ########
 # pp_sys.c [pp_fttext]
-use warnings 'unopened' ;
+use warnings qw(unopened closed) ;
 close STDIN ; 
 -T STDIN ;
 stat(STDIN) ;
-no warnings 'unopened' ;
+-T HOCUS;
+stat(POCUS);
+no warnings qw(unopened closed) ;
 -T STDIN ;
 stat(STDIN);
+-T HOCUS;
+stat(POCUS);
 EXPECT
--T on unopened filehandle STDIN at - line 4.
-stat() on unopened filehandle STDIN at - line 5.
+-T on closed filehandle STDIN at - line 4.
+stat() on closed filehandle STDIN at - line 5.
+-T on unopened filehandle HOCUS at - line 6.
+stat() on unopened filehandle POCUS at - line 7.
 ########
 # pp_sys.c [pp_fttext]
 use warnings 'newline' ;