X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCwd.pm;h=5b5f21672bd66d12e5a64726724d829876857aa3;hb=411cc70a34f8fb9bcdf0a5306f32b31a7092ea1e;hp=680fc3e56f47d754e0e2c2a7e58c35577f29cd06;hpb=5cf6da5fd103f762f75b820f16d955ab1ba6b47b;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/lib/Cwd.pm b/lib/Cwd.pm
index 680fc3e..5b5f216 100644
--- a/lib/Cwd.pm
+++ b/lib/Cwd.pm
@@ -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.
 
@@ -188,8 +188,9 @@ $pwd_cmd ||= 'pwd';
 # The 'natural and safe form' for UNIX (pwd may be setuid root)
 sub _backtick_pwd {
     my $cwd = `$pwd_cmd`;
-    # `pwd` may fail e.g. if the disk is full
+    # 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;
 }
@@ -199,7 +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 {
@@ -465,12 +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;