adb: defuse CHECK on IOVector::append of an empty block.
Bug: http://b/129706741
Test: treehugger
Change-Id: I35a35d20d179a155adb4fe83078739fcaf517136
(cherry picked from commit 3443b774155abb2e1d8583b11a8fc87ffa64c1ef)
diff --git a/adb/types.h b/adb/types.h
index 0090c98..cd1366d 100644
--- a/adb/types.h
+++ b/adb/types.h
@@ -216,7 +216,10 @@
// Add a nonempty block to the chain.
// The end of the chain must be a complete block (i.e. end_offset_ == 0).
void append(std::unique_ptr<const block_type> block) {
- CHECK_NE(0ULL, block->size());
+ if (block->size() == 0) {
+ return;
+ }
+
CHECK_EQ(0ULL, end_offset_);
chain_length_ += block->size();
chain_.emplace_back(std::move(block));