commit 5f6efc0fed0059b67d57001cff7943ff4c21e6a7
author Wyatt Hepler <hepler@google.com> Tue Feb 18 16:54:31 2020 -0800
committer Wyatt Hepler <hepler@google.com> Wed Feb 19 15:40:04 2020 -0800
tree bc8b6b36281fc8f25cc6b95ca5d6a285a4c2be62
parent 1234f5ecc6ed6f9b68995d52abd741aba1eafae8

pw_kvs: Allow specifying an offset in Get

Change-Id: Id0b27a3b7cf3d7fe53e934e2a4822f00f21cb517

pw_kvs/key_value_store.cc

diff --git a/pw_kvs/key_value_store.cc b/pw_kvs/key_value_store.cc
index 72fc21f..32fbfc2 100644
--- a/pw_kvs/key_value_store.cc
+++ b/pw_kvs/key_value_store.cc
@@ -233,7 +233,8 @@
 }
 
 StatusWithSize KeyValueStore::Get(string_view key,
-                                  span<byte> value_buffer) const {
+                                  span<byte> value_buffer,
+                                  size_t offset_bytes) const {
   TRY_WITH_SIZE(CheckOperation(key));
 
   const KeyDescriptor* key_descriptor;
@@ -242,8 +243,8 @@
   Entry entry;
   TRY_WITH_SIZE(Entry::Read(partition_, key_descriptor->address, &entry));
 
-  StatusWithSize result = entry.ReadValue(value_buffer);
-  if (result.ok() && options_.verify_on_read) {
+  StatusWithSize result = entry.ReadValue(value_buffer, offset_bytes);
+  if (result.ok() && options_.verify_on_read && offset_bytes == 0u) {
     Status verify_result =
         entry.VerifyChecksum(entry_header_format_.checksum,
                              key,