[Xen-devel] [OSSTEST PATCH 03/10] TestSupport: Make next_unique_name count in decimal, not unary

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

Ie, we add `+<counter>' rather than an ever-longer series of `+'s.

Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 Osstest/TestSupport.pm |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
index 55541b1..8aed285 100644
--- a/Osstest/TestSupport.pm
+++ b/Osstest/TestSupport.pm
@@ -486,7 +486,8 @@ sub target_file_exists ($$) {
 
 sub next_unique_name ($) {
     my ($fnref) = @_;
-    $$fnref .= '+';
+    my $num = $$fnref =~ s/\+([1-9]\d*)$// ? $1 : 0;
+    $$fnref .= '+'.($num+1);
 }
 
 our $target_editfile_cancel_exception =
-- 
1.7.10.4


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