1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
(in-package :cl+ssl)
(defun make-buffer (size)
(cffi-sys:%foreign-alloc size))
(defun buffer-length (buf)
(declare (ignore buf))
+initial-buffer-size+)
(defun buffer-elt (buf index)
(ffi:memory-as buf 'ffi:uint8 index))
(defun set-buffer-elt (buf index val)
(setf (ffi:memory-as buf 'ffi:uint8 index) val))
(defsetf buffer-elt set-buffer-elt)
(defun v/b-replace (vec buf &key (start1 0) end1 (start2 0) (end2 +initial-buffer-size+))
(replace
vec
(ffi:memory-as buf (ffi:parse-c-type `(ffi:c-array ffi:uint8 ,(- end2 start2))) start2)
:start1 start1
:end1 end1))
(defun b/v-replace (buf vec &key (start1 0) (end1 +initial-buffer-size+) (start2 0) end2)
(setf
(ffi:memory-as buf (ffi:parse-c-type `(ffi:c-array ffi:uint8 ,(- end1 start1))) start1)
(subseq vec start2 end2)))
(defmacro with-pointer-to-vector-data ((ptr buf) &body body)
`(let ((,ptr ,buf))
,@body))
|
