zzkt/osc
1
0
Fork 0
Code Issues 7 Pull requests Projects Releases Activity Actions

Encoding and decoding blobs now follows the spec with regards to size

Browse source
This commit is contained in:
ErikR 2015-08-25 21:25:05 +02:00
parent 8af92db17f
commit be1a4f5d4b
1 changed files with 4 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
osc.lisp
View file

@ -199,11 +199,12 @@
(setf acc (subseq acc pointer))))
((eq x (char-code #\b))
(let* ((size (decode-int32 (subseq acc 0 4)))
(end (padded-length (+ 4 size))))
(bl (+ 4 size))
(end (+ bl (mod (- 4 bl) 4)))) ; NOTE: cannot use (padded-length bl), as it is not the same algorithm. Blobs of 4, 8, 12 etc bytes should not be padded!
(push (decode-blob (subseq acc 0 end))
result)
(setf acc (subseq acc end))))
(t (error "unrecognised typetag"))))
(t (error "unrecognised typetag ~a" x))))
tags)
(nreverse result))))
@ -340,7 +341,7 @@
"encodes a blob from a given vector"
(let ((bl (length blob)))
(cat (encode-int32 bl) blob
(pad (padding-length bl)))))
(pad (mod (- 4 bl) 4))))) ; NOTE: cannot use (padding-length bl), as it is not the same algorithm. Blobs of 4, 8, 12 etc bytes should not be padded!
;; utility functions for osc-string/padding slonking