* lib/net/http.rb (HTTPHeader#content_length): should return nil unless header exists. [ruby-dev:22519]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5401 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/net/http.rb b/lib/net/http.rb
index 90c473eaf4..90843576ba 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -1032,7 +1032,8 @@ module Net # :nodoc:
     # Returns an Integer object which represents the Content-Length: header field
     # or +nil+ if that field is not provided.
     def content_length
-      len = @header['content-length'].to_s.slice(/\d+/) or
+      return nil unless @header.key?('content-length')
+      len = @header['content-length'].slice(/\d+/) or
           raise HTTPHeaderSyntaxError, 'wrong Content-Length format'
       len.to_i
     end