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authormarcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-07-21 21:37:43 +0000
committermarcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-07-21 21:37:43 +0000
commit616cae109036d3abf786b7f2db68a78714d740e5 (patch)
treed12768bbb551e7620d7d8438b05ffa12a2f8c8d5 /lib
parent272322bedeecfc0ef908e4746df4fea9b5cf90a3 (diff)
* lib/csv.rb: Do not modify CSV.generate's argument [ruby-core:38356]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
-rw-r--r--lib/csv.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/csv.rb b/lib/csv.rb
index ce05164c75..13f86ec318 100644
--- a/lib/csv.rb
+++ b/lib/csv.rb
@@ -1234,7 +1234,7 @@ class CSV
io.seek(0, IO::SEEK_END)
args.unshift(io)
else
- encoding = args.last.is_a?(Hash) ? args.last.delete(:encoding) : nil
+ encoding = (args[-1] = args[-1].dup).delete(:encoding) if args.last.is_a?(Hash)
str = ""
str.encode!(encoding) if encoding
args.unshift(str)