util/dofile.pl: only quote stuff that actually needs quoting

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5533)

(cherry picked from commit 49cd47eaababc8c57871b929080fc1357e2ad7b8)

diff --git a/util/dofile.pl b/util/dofile.pl
index f561e6f9a89feb40b8889f3124b5d6a99ba32948..a8dbfa59d5005dc259d820508035244562890e7d 100644 (file)
--- a/util/dofile.pl
+++ b/util/dofile.pl
@@ -99,9 +99,9 @@ package main;
 # This adds quotes (") around the given string, and escapes any $, @, \,
 # " and ' by prepending a \ to them.
 sub quotify1 {
-    my $s = shift @_;
+    my $s = my $orig = shift @_;
     $s =~ s/([\$\@\\"'])/\\$1/g;
-    '"'.$s.'"';
+    $s ne $orig || $s =~ /\s/ ? '"'.$s.'"' : $s;
 }
 
 # quotify_l LIST