[PATCH] check return of close

Date: 27 Dec 2001 09:47:30 +0100
Message-ID: <m3ellhgicd.fsf@anima.de> 

Subject: [PATCH] improve error reporting
From: andreas.koenig@anima.de (Andreas J. Koenig)            
Date: 27 Dec 2001 09:54:55 +0100
Message-ID: <m3adw5gi00.fsf@anima.de> 

Subject: [PATCH] check return value of close
From: andreas.koenig@anima.de (Andreas J. Koenig)            
Date: 27 Dec 2001 10:03:55 +0100
Message-ID: <m3666tghl0.fsf@anima.de> 

Subject: [PATCH] return of close
From: andreas.koenig@anima.de (Andreas J. Koenig)            
Date: 27 Dec 2001 10:22:15 +0100
Message-ID: <m31yhhggqg.fsf@anima.de>

p4raw-id: //depot/perl@13904

4 files changed, 26 insertions, 26 deletions

diff --git a/ext/IO/lib/IO/t/io_dir.t b/ext/IO/lib/IO/t/io_dir.t
index a6f03d0859..75979a3816 100755
--- a/ext/IO/lib/IO/t/io_dir.t
+++ b/ext/IO/lib/IO/t/io_dir.t
@@ -41,7 +41,7 @@ print defined($dot->read) ? "not ok" : "ok", " 5\n";
 
 open(FH,'>X') || die "Can't create x";
 print FH "X";
-close(FH);
+close(FH) or die "Can't close: $!";
 
 tie %dir, IO::Dir, $DIR;
 my @files = keys %dir;
diff --git a/lib/warnings.t b/lib/warnings.t
index b6daebca54..c88a4d9d79 100644
--- a/lib/warnings.t
+++ b/lib/warnings.t
@@ -1,4 +1,4 @@
-#!./perl 
+#!./perl
 
 BEGIN {
     chdir 't' if -d 't';
@@ -33,13 +33,13 @@ foreach my $file (@w_files) {
     open F, "<$file" or die "Cannot open $file: $!\n" ;
     my $line = 0;
     while (<F>) {
-        $line++; 
+        $line++;
 	last if /^__END__/ ;
     }
 
     {
         local $/ = undef;
-        $files++; 
+        $files++;
         @prgs = (@prgs, $file, split "\n########\n", <F>) ;
     }
     close F ;
@@ -48,13 +48,13 @@ foreach my $file (@w_files) {
 undef $/;
 
 print "1..", scalar(@prgs)-$files, "\n";
- 
- 
+
+
 for (@prgs){
     unless (/\n/)
      {
-      print "# From $_\n"; 
-      next; 
+      print "# From $_\n";
+      next;
      }
     my $switch = "";
     my @temps = () ;
@@ -66,7 +66,7 @@ for (@prgs){
     if ( $prog =~ /--FILE--/) {
         my(@files) = split(/\n--FILE--\s*([^\s\n]*)\s*\n/, $prog) ;
 	shift @files ;
-	die "Internal error test $i didn't split into pairs, got " . 
+	die "Internal error test $i didn't split into pairs, got " .
 		scalar(@files) . "[" . join("%%%%", @files) ."]\n"
 	    if @files % 2 ;
 	while (@files > 2) {
@@ -75,21 +75,21 @@ for (@prgs){
     	    push @temps, $filename ;
 	    open F, ">$filename" or die "Cannot open $filename: $!\n" ;
 	    print F $code ;
-	    close F ;
+	    close F or die "Cannot close $filename: $!\n";
 	}
 	shift @files ;
 	$prog = shift @files ;
     }
-    open TEST, ">$tmpfile";
+    open TEST, ">$tmpfile" or die "Cannot open >$tmpfile: $!";
     print TEST q{
-        BEGIN { 
-            open(STDERR, ">&STDOUT") 
+        BEGIN {
+            open(STDERR, ">&STDOUT")
               or die "Can't dup STDOUT->STDERR: $!;";
         }
     };
     print TEST "\n#line 1\n";  # So the line numbers don't get messed up.
     print TEST $prog,"\n";
-    close TEST;
+    close TEST or die "Cannot close $tmpfile: $!";
     my $results = $Is_VMS ?
 	              `./perl "-I../lib" $switch $tmpfile` :
 		  $Is_MSWin32 ?
@@ -141,6 +141,6 @@ for (@prgs){
         print "not ";
     }
     print "ok ", ++$i, "\n";
-    foreach (@temps) 
-	{ unlink $_ if $_ } 
+    foreach (@temps)
+	{ unlink $_ if $_ }
 }
diff --git a/t/cmd/subval.t b/t/cmd/subval.t
index 3c60690ebf..67a4ebfdf3 100755
--- a/t/cmd/subval.t
+++ b/t/cmd/subval.t
@@ -114,14 +114,14 @@ package main;
 $i = 28;
 open(FOO,">Cmd_subval.tmp");
 print FOO "blah blah\n";
-close FOO;
+close FOO or die "Can't close Cmd_subval.tmp: $!";
 
 &file_main(*F);
-close F;
+close F or die "Can't close: $!";
 &info_main;
 
 &file_package(*F);
-close F;
+close F or die "Can't close: $!";
 &info_package;
 
 unlink 'Cmd_subval.tmp';
@@ -129,7 +129,7 @@ unlink 'Cmd_subval.tmp';
 sub file_main {
         local(*F) = @_;
 
-        open(F, 'Cmd_subval.tmp') || die "can't open\n";
+        open(F, 'Cmd_subval.tmp') || die "can't open: $!\n";
 	$i++;
         eof F ? print "not ok $i\n" : print "ok $i\n";
 }
@@ -137,11 +137,11 @@ sub file_main {
 sub info_main {
         local(*F);
 
-        open(F, 'Cmd_subval.tmp') || die "test: can't open\n";
+        open(F, 'Cmd_subval.tmp') || die "test: can't open: $!\n";
 	$i++;
         eof F ? print "not ok $i\n" : print "ok $i\n";
         &iseof(*F);
-	close F;
+	close F or die "Can't close: $!";
 }
 
 sub iseof {
@@ -156,7 +156,7 @@ sub iseof {
  sub main'file_package {
         local(*F) = @_;
 
-        open(F, 'Cmd_subval.tmp') || die "can't open\n";
+        open(F, 'Cmd_subval.tmp') || die "can't open: $!\n";
 	$main'i++;
         eof F ? print "not ok $main'i\n" : print "ok $main'i\n";
  }
@@ -164,7 +164,7 @@ sub iseof {
  sub main'info_package {
         local(*F);
 
-        open(F, 'Cmd_subval.tmp') || die "can't open\n";
+        open(F, 'Cmd_subval.tmp') || die "can't open: $!\n";
 	$main'i++;
         eof F ? print "not ok $main'i\n" : print "ok $main'i\n";
         &iseof(*F);
diff --git a/t/io/fflush.t b/t/io/fflush.t
index 6c22fa663a..fbf6b47fe1 100644
--- a/t/io/fflush.t
+++ b/t/io/fflush.t
@@ -66,7 +66,7 @@ print OUT $str;
 close OUT;
 EOF
     ;
-close PROG;
+close PROG or die "close ff-prog: $!";;
 push @delete, "ff-prog";
 
 $| = 0; # we want buffered output
@@ -122,7 +122,7 @@ for (qw(system qx popen)) {
     my $command = qq{$runperl "ff-prog" "$f" "rl"};
     open OUT, "> $f" or die "open $f: $!";
     print OUT "Pe";
-    close OUT;
+    close OUT or die "close $f: $!";;
     print "# $command\n";
     $code->($command);
     print file_eq($f, "Perl") ? "ok $t\n" : "not ok $t\n";