robin/bitbuffer
1
0
Fork 0
mirror of https://codeberg.org/icewind/bitbuffer.git synced 2026-06-03 16:44:06 +02:00
Code Issues Releases Wiki Activity

dont panic when reading 0 length signed int

Browse source
This commit is contained in:
Robin Appelman 2020-01-20 16:01:05 +01:00
commit 7e4830c66f
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/buffer.rs
View file

@ -304,7 +304,9 @@ where
where where
T: PrimInt + BitOrAssign + IsSigned + UncheckedPrimitiveInt + BitXor, T: PrimInt + BitOrAssign + IsSigned + UncheckedPrimitiveInt + BitXor,
{ {
if T::is_signed() { if count == 0 {
T::zero()
} else if T::is_signed() {
let sign_bit = value >> (count - 1) & T::one(); let sign_bit = value >> (count - 1) & T::one();
if sign_bit == T::one() { if sign_bit == T::one() {
value | (T::zero() - T::one()) ^ ((T::one() << count) - T::one()) value | (T::zero() - T::one()) ^ ((T::one() << count) - T::one())