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-rw-r--r--indra/llmessage/llmessagereader.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/indra/llmessage/llmessagereader.h b/indra/llmessage/llmessagereader.h
index 167313b9b9..6edc2f34af 100644
--- a/indra/llmessage/llmessagereader.h
+++ b/indra/llmessage/llmessagereader.h
@@ -44,6 +44,12 @@ class LLVector3;
class LLVector3d;
class LLVector4;
+// Error return values for getSize() functions
+const S32 LL_BLOCK_NOT_IN_MESSAGE = -1;
+const S32 LL_VARIABLE_NOT_IN_BLOCK = -2;
+const S32 LL_MESSAGE_ERROR = -3;
+
+
class LLMessageReader
{
public: