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vlib: add mut for the first parameter of builtin.copy, arrays.copy and crypto (#13702)

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This commit is contained in:
Nick Treleaven
2022-03-09 18:26:00 +00:00
committed by GitHub
parent 4c33003f86
commit 7231a3f135
31 changed files with 84 additions and 88 deletions
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12
vlib/crypto/cipher/cfb.v
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@ -39,20 +39,18 @@ fn new_cfb(b Block, iv []byte, decrypt bool) Cfb {
if iv.len != block_size {
panic('cipher.new_cfb: IV length must be equal block size')
}
x := Cfb{
mut x := Cfb{
b: b
out: []byte{len: b.block_size}
next: []byte{len: b.block_size}
out_used: block_size
decrypt: decrypt
}
copy(x.next, iv)
copy(mut x.next, iv)
return x
}
pub fn (x &Cfb) xor_key_stream(mut dst_ []byte, src_ []byte) {
pub fn (mut x Cfb) xor_key_stream(mut dst_ []byte, src_ []byte) {
unsafe {
mut dst := *dst_
mut src := src_
@ -71,12 +69,12 @@ pub fn (x &Cfb) xor_key_stream(mut dst_ []byte, src_ []byte) {
}
if x.decrypt {
copy(x.next[x.out_used..], src)
copy(mut x.next[x.out_used..], src)
}
n := xor_bytes(mut dst, src, x.out[x.out_used..])
if !x.decrypt {
copy(x.next[x.out_used..], dst)
copy(mut x.next[x.out_used..], dst)
}
dst = dst[n..]
src = src[n..]