X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/55204971972392ce5a252fbbd6d78b1c48ed70e3..789bd863840ef4ff6c46f7c2ee0f3f64e0b5daa6:/lib/cacheout.pl

diff --git a/lib/cacheout.pl b/lib/cacheout.pl
index bec40bd..368e98e 100644
--- a/lib/cacheout.pl
+++ b/lib/cacheout.pl
@@ -1,4 +1,13 @@
-#!/usr/bin/perl
+#
+# This library is no longer being maintained, and is included for backward
+# compatibility with Perl 4 programs which may require it.
+# This legacy library is deprecated and will be removed in a future
+# release of perl.
+#
+# In particular, this should not be used as an example of modern Perl
+# programming techniques.
+#
+# Suggested alternative: FileCache
 
 # Open in their package.
 
@@ -6,6 +15,12 @@ sub cacheout'open {
     open($_[0], $_[1]);
 }
 
+# Close as well
+
+sub cacheout'close {
+    close($_[0]);
+}
+
 # But only this sub name is visible to them.
 
 sub cacheout {
@@ -17,7 +32,7 @@ sub cacheout {
 	    local(@lru) = sort {$isopen{$a} <=> $isopen{$b};} keys(%isopen);
 	    splice(@lru, $maxopen / 3);
 	    $numopen -= @lru;
-	    for (@lru) { close $_; delete $isopen{$_}; }
+	    for (@lru) { &close($_); delete $isopen{$_}; }
 	}
 	&open($file, ($saw{$file}++ ? '>>' : '>') . $file)
 	    || die "Can't create $file: $!\n";
@@ -31,7 +46,7 @@ $seq = 0;
 $numopen = 0;
 
 if (open(PARAM,'/usr/include/sys/param.h')) {
-    local($.);
+    local($_, $.);
     while (<PARAM>) {
 	$maxopen = $1 - 4 if /^\s*#\s*define\s+NOFILE\s+(\d+)/;
     }