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proto: fix unary operators in runtime

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This commit is contained in:
Alexey Stepanov
2016-08-10 13:09:28 +03:00
parent c24c199bbd
commit 3066144f58
1 changed files with 2 additions and 2 deletions
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proto/runtime/src/main/kotlin/CodedInputStream.kt
+2 -2
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@@ -198,13 +198,13 @@ class CodedInputStream(val buffer: ByteArray) {
// reads zig-zag encoded integer not larger than 32-bit long // reads zig-zag encoded integer not larger than 32-bit long
fun readZigZag32NoTag(): Int { fun readZigZag32NoTag(): Int {
val value = readInt32NoTag() val value = readInt32NoTag()
return (value shr 1) xor (0 - (value and 1)) // bit magic for decoding zig-zag number return (value shr 1) xor (-(value and 1)) // bit magic for decoding zig-zag number
} }
// reads zig-zag encoded integer not larger than 64-bit long // reads zig-zag encoded integer not larger than 64-bit long
fun readZigZag64NoTag(): Long { fun readZigZag64NoTag(): Long {
val value = readInt64NoTag() val value = readInt64NoTag()
return (value shr 1) xor (0 - (value and 1L)) // bit magic for decoding zig-zag number return (value shr 1) xor (-(value and 1L)) // bit magic for decoding zig-zag number
} }
// checks if at least one more byte can be read from underlying input stream // checks if at least one more byte can be read from underlying input stream