fumiama/go-base16384
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fix: encode panic

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源文雨
2022-07-07 00:08:32 +08:00
committed by GitHub
parent 9db76d108c
commit ebe73ccc6c
1 changed files with 42 additions and 27 deletions
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15
base14_generic.go
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@@ -9,6 +9,20 @@ import "encoding/binary"
func encode(offset, outlen int, b, encd []byte) { func encode(offset, outlen int, b, encd []byte) {
var n int var n int
i := 0 i := 0
if len(b) == 7 {
b = append(b, 0)
shift := binary.BigEndian.Uint64(b[i:]) >> 2
sum := shift
sum &= 0x3fff000000000000
shift >>= 2
sum |= shift & 0x00003fff00000000
shift >>= 2
sum |= shift & 0x000000003fff0000
shift >>= 2
sum |= shift & 0x0000000000003fff
sum += 0x4e004e004e004e00
binary.BigEndian.PutUint64(encd[n:], sum)
} else {
for ; i <= len(b)-7; i += 7 { for ; i <= len(b)-7; i += 7 {
shift := binary.BigEndian.Uint64(b[i:]) >> 2 shift := binary.BigEndian.Uint64(b[i:]) >> 2
sum := shift sum := shift
@@ -53,6 +67,7 @@ func encode(offset, outlen int, b, encd []byte) {
encd[outlen-2] = '=' encd[outlen-2] = '='
encd[outlen-1] = byte(offset) encd[outlen-1] = byte(offset)
} }
}
} }
//go:nosplit //go:nosplit