X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCwd.pm;h=5b5f21672bd66d12e5a64726724d829876857aa3;hb=411cc70a34f8fb9bcdf0a5306f32b31a7092ea1e;hp=88afca2232df6bc5cc3fc47e7487181ddc05d115;hpb=a0c9c202edde87fa4f6c175b545b8b4d311d45b9;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/lib/Cwd.pm b/lib/Cwd.pm
index 88afca2..5b5f216 100644
--- a/lib/Cwd.pm
+++ b/lib/Cwd.pm
@@ -1,5 +1,5 @@
 package Cwd;
-require 5.6.0;
+use 5.006;
 
 =head1 NAME
 
@@ -95,7 +95,7 @@ A synonym for abs_path().
 
 =item fast_abs_path
 
-  my $abs_path = abs_path($file);
+  my $abs_path = fast_abs_path($file);
 
 A more dangerous, but potentially faster version of abs_path.
 
@@ -168,6 +168,7 @@ if ($^O eq 'os2' && defined &sys_cwd && defined &sys_abspath) {
 
 eval {
     require XSLoader;
+    undef *Cwd::fastcwd; # avoid redefinition warning
     XSLoader::load('Cwd');
 };
 
@@ -187,6 +188,8 @@ $pwd_cmd ||= 'pwd';
 # The 'natural and safe form' for UNIX (pwd may be setuid root)
 sub _backtick_pwd {
     my $cwd = `$pwd_cmd`;
+    # Belt-and-suspenders in case someone said "undef $/".
+    local $/ = "\n";
     # `pwd` may fail e.g. if the disk is full
     chomp($cwd) if defined $cwd;
     $cwd;
@@ -197,7 +200,9 @@ sub _backtick_pwd {
 
 unless(defined &cwd) {
     # The pwd command is not available in some chroot(2)'ed environments
-    if($^O eq 'MacOS' || grep { -x "$_/pwd" } split(':', $ENV{PATH})) {
+    if( $^O eq 'MacOS' || (defined $ENV{PATH} && 
+                           grep { -x "$_/pwd" } split(':', $ENV{PATH})) ) 
+    {
 	*cwd = \&_backtick_pwd;
     }
     else {
@@ -463,12 +468,18 @@ sub _dos_cwd {
 }
 
 sub _qnx_cwd {
+	local $ENV{PATH} = '';
+	local $ENV{CDPATH} = '';
+	local $ENV{ENV} = '';
     $ENV{'PWD'} = `/usr/bin/fullpath -t`;
     chop $ENV{'PWD'};
     return $ENV{'PWD'};
 }
 
 sub _qnx_abs_path {
+	local $ENV{PATH} = '';
+	local $ENV{CDPATH} = '';
+	local $ENV{ENV} = '';
     my $path = @_ ? shift : '.';
     my $realpath=`/usr/bin/fullpath -t $path`;
     chop $realpath;
@@ -498,6 +509,7 @@ sub _epoc_cwd {
         *fastcwd	= \&_NT_cwd;
         *fastgetcwd	= \&_NT_cwd;
         *abs_path	= \&fast_abs_path;
+        *realpath   = \&fast_abs_path;
     }
     elsif ($^O eq 'os2') {
         # sys_cwd may keep the builtin command