diff options
Diffstat (limited to 'src/google/protobuf/message_lite.h')
| -rw-r--r-- | src/google/protobuf/message_lite.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/google/protobuf/message_lite.h b/src/google/protobuf/message_lite.h index 2bdfe496..d3c3b1f0 100644 --- a/src/google/protobuf/message_lite.h +++ b/src/google/protobuf/message_lite.h @@ -239,12 +239,13 @@ class LIBPROTOBUF_EXPORT MessageLite { bool AppendPartialToString(string* output) const; // Computes the serialized size of the message. This recursively calls - // ByteSize() on all embedded messages. If a subclass does not override - // this, it MUST override SetCachedSize(). + // ByteSize() on all embedded messages. Subclasses MUST override either + // ByteSize() or ByteSizeLong() (overriding both is fine). // // ByteSize() is generally linear in the number of fields defined for the // proto. - virtual int ByteSize() const = 0; + virtual int ByteSize() const { return ByteSizeLong(); } + virtual size_t ByteSizeLong() const; // Serializes the message without recomputing the size. The message must // not have changed since the last call to ByteSize(); if it has, the results |