[alexandria.git] updated branch master: 95f8d22 Fix COPY-STREAM when called without an explicit END argument.

[Attila Lendvai]

The branch master has been updated:
       via  95f8d2213e3c4be345f0bdf4d06ab82ade67d898 (commit)
      from  e1c8ede0ebaac5026c7dd2e8a1cc450a58455ae5 (commit)

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- Log -----------------------------------------------------------------
commit 95f8d2213e3c4be345f0bdf4d06ab82ade67d898
Author: Zach Beane <xach at xach.com>
Date:   Wed Mar 7 09:35:42 2012 +0600

    Fix COPY-STREAM when called without an explicit END argument.

-----------------------------------------------------------------------

Summary of changes:
 io.lisp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/io.lisp b/io.lisp
index 637c9be..ee89cb0 100644
--- a/io.lisp
+++ b/io.lisp
@@ -115,7 +115,8 @@ compatible element-types."
   (check-type start non-negative-integer)
   (check-type end (or null non-negative-integer))
   (check-type buffer-size positive-integer)
-  (when (< end start)
+  (when (and end
+             (< end start))
     (error "END is smaller than START in ~S" 'copy-stream))
   (let ((output-position 0)
         (input-position 0))
-- 
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