zyearn commented on code in PR #2009:
URL: https://github.com/apache/incubator-brpc/pull/2009#discussion_r1033001219
##########
src/butil/iobuf.cpp:
##########
@@ -1211,6 +1211,9 @@ int IOBuf::append_user_data(void* data, size_t size, void
(*deleter)(void*)) {
LOG(FATAL) << "data_size=" << size << " is too large";
return -1;
}
+ if (!size) {
+ return 0;
Review Comment:
Shouldn't we move the deleter null check and assignment below before this
change? Otherwise the data may be leaked if user doesn't pass deleter.
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