anuraaga commented on a change in pull request #2582: Reuse char[] buffer when
decoding hex fields.
URL: https://github.com/apache/incubator-zipkin/pull/2582#discussion_r283085319
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File path: zipkin/src/main/java/zipkin2/internal/Proto3Fields.java
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@@ -190,15 +197,21 @@ static int decodeLowerHex(char c) {
@Override String readValue(Buffer buffer, int length) {
length *= 2;
- char[] result = new char[length];
+
+ // All our hex fields are at most 32 characters.
+ if (length > 32) {
Review comment:
Since the data comes over the wire, it's possible a bad client or something
would send bad data. I think we would generally want a runtime check for
incoming data which wouldn't be a local programming bug. What do you think?
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