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make function arguments immutable by default

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This commit is contained in:
Alexander Medvednikov
2019-08-07 08:19:27 +02:00
parent 06b8bd9382
commit 34e0b164eb
22 changed files with 107 additions and 83 deletions
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24
vlib/crypto/sha256/sha256.v
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@ -51,7 +51,7 @@ mut:
is224 bool // mark if this digest is SHA-224
}
fn (d &Digest) reset() {
fn (d mut Digest) reset() {
d.h = [u32(0); 8]
d.x = [byte(0); Chunk]
if !d.is224 {
@ -92,7 +92,7 @@ pub fn new224() *Digest {
return d
}
fn (d mut Digest) write(p []byte) ?int {
fn (d mut Digest) write(p mut []byte) ?int {
nn := p.len
d.len += u64(nn)
if d.nx > 0 {
@ -145,14 +145,14 @@ fn (d mut Digest) checksum() []byte {
mut tmp := [byte(0); 64]
tmp[0] = 0x80
if int(len)%64 < 56 {
d.write(tmp.left(56-int(len)%64))
d.write(mut tmp.left(56-int(len)%64))
} else {
d.write(tmp.left(64+56-int(len)%64))
d.write(mut tmp.left(64+56-int(len)%64))
}
// Length in bits.
len <<= u64(3)
binary.big_endian_put_u64(tmp, len)
binary.big_endian_put_u64(mut tmp, len)
d.write(tmp.left(8))
if d.nx != 0 {
@ -161,13 +161,13 @@ fn (d mut Digest) checksum() []byte {
digest := [byte(0); Size]
binary.big_endian_put_u32(digest, d.h[0])
binary.big_endian_put_u32(digest.right(4), d.h[1])
binary.big_endian_put_u32(digest.right(8), d.h[2])
binary.big_endian_put_u32(digest.right(12), d.h[3])
binary.big_endian_put_u32(digest.right(16), d.h[4])
binary.big_endian_put_u32(digest.right(20), d.h[5])
binary.big_endian_put_u32(digest.right(24), d.h[6])
binary.big_endian_put_u32(mut digest, d.h[0])
binary.big_endian_put_u32(mut digest.right(4), d.h[1])
binary.big_endian_put_u32(mut digest.right(8), d.h[2])
binary.big_endian_put_u32(mut digest.right(12), d.h[3])
binary.big_endian_put_u32(mut digest.right(16), d.h[4])
binary.big_endian_put_u32(mut digest.right(20), d.h[5])
binary.big_endian_put_u32(mut digest.right(24), d.h[6])
if !d.is224 {
binary.big_endian_put_u32(digest.right(28), d.h[7])
}