The lib/Cwd.pm diet part of

Subject: [PATCH] File::Spec on diet
Message-Id: <200307072235.03364@bloodgate.com>

p4raw-id: //depot/perl@20745

diff --git a/lib/Cwd.pm b/lib/Cwd.pm
index 305cc60..db13aab 100644 (file)
--- a/lib/Cwd.pm
+++ b/lib/Cwd.pm
@@ -138,8 +138,6 @@ L<File::chdir>
 
 use strict;
 
-use Carp;
-
 our $VERSION = '2.08';
 
 use base qw/ Exporter /;
@@ -360,7 +358,8 @@ sub _perl_abs_path
 
     unless (@cst = stat( $start ))
     {
-       carp "stat($start): $!";
+       require Carp;
+       Carp::carp ("stat($start): $!");
        return '';
     }
     $cwd = '';
@@ -372,12 +371,14 @@ sub _perl_abs_path
        local *PARENT;
        unless (opendir(PARENT, $dotdots))
        {
-           carp "opendir($dotdots): $!";
+           require Carp;
+           Carp::carp ("opendir($dotdots): $!");
            return '';
        }
        unless (@cst = stat($dotdots))
        {
-           carp "stat($dotdots): $!";
+           require Carp;
+           Carp::carp ("stat($dotdots): $!");
            closedir(PARENT);
            return '';
        }
@@ -391,7 +392,8 @@ sub _perl_abs_path
            {
                unless (defined ($dir = readdir(PARENT)))
                {
-                   carp "readdir($dotdots): $!";
+                   require Carp;
+                   Carp::carp ("readdir($dotdots): $!");
                    closedir(PARENT);
                    return '';
                }
@@ -423,10 +425,15 @@ sub fast_abs_path {
     ($path) = $path =~ /(.*)/;
     ($cwd)  = $cwd  =~ /(.*)/;
 
-    CORE::chdir($path) || croak "Cannot chdir to $path: $!";
+    if (!CORE::chdir($path)) {
+       require Carp;
+       Carp::croak ("Cannot chdir to $path: $!");
+    }
     my $realpath = getcwd();
-    -d $cwd && CORE::chdir($cwd) ||
-       croak "Cannot chdir back to $cwd: $!";
+    if (! ((-d $cwd) && (CORE::chdir($cwd)))) {
+       require Carp;
+       Carp::croak ("Cannot chdir back to $cwd: $!");
+    }
     $realpath;
 }
 
@@ -452,7 +459,11 @@ sub _vms_cwd {
 sub _vms_abs_path {
     return $ENV{'DEFAULT'} unless @_;
     my $path = VMS::Filespec::pathify($_[0]);
-    croak("Invalid path name $_[0]") unless defined $path;
+    if (! defined $path)
+       {
+       require Carp;
+       Carp::croak("Invalid path name $_[0]")
+       }
     return VMS::Filespec::rmsexpand($path);
 }