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alexandria
alexandria
Commits
fc3312e6
Commit
fc3312e6
authored
Oct 08, 2010
by
Attila Lendvai
Browse files
copy-sequence returns the number of bytes written
parent
e6d5005b
Changes
1
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Inline
Side-by-side
io.lisp
View file @
fc3312e6
...
...
@@ -111,11 +111,13 @@ unless it's NIL, which means the system default."
"Reads data from INPUT and writes it to OUTPUT. Both INPUT and OUTPUT must
be streams, they will be passed to READ-SEQUENCE and WRITE-SEQUENCE and must have
compatible element-types."
(
loop
:for
bytes-read
=
(
read-sequence
buffer
input
)
:while
(
=
bytes-read
buffer-size
)
:do
(
write-sequence
buffer
output
)
:finally
(
progn
(
write-sequence
buffer
output
:end
bytes-read
)
(
when
finish-output
(
finish-output
output
)))))
(
let
((
bytes-written
0
))
(
loop
:for
bytes-read
=
(
read-sequence
buffer
input
)
:until
(
zerop
bytes-read
)
:do
(
progn
(
write-sequence
buffer
output
:end
bytes-read
)
(
incf
bytes-written
bytes-read
)))
(
when
finish-output
(
finish-output
output
))
bytes-written
))
Write
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