[GitHub] [pulsar] AllenChien opened a new issue #5800: C API 'pulsar_message_id_t' couples to C++ 'class pulsar::MessageId'

[GitBox <gi...@apache.org>]

AllenChien opened a new issue #5800: C API 'pulsar_message_id_t' couples to C++ 'class pulsar::MessageId'
URL: https://github.com/apache/pulsar/issues/5800
 
 
   **Describe the bug**
   
   The C API prototype defined in message_id.h, such as:
   
   > PULSAR_PUBLIC const pulsar_message_id_t *pulsar_message_id_earliest();
   > PULSAR_PUBLIC const pulsar_message_id_t *pulsar_message_id_latest();
   
   the return type is pulsar_message_id_t, which is defined as:
   
   > struct _pulsar_message_id {
   > pulsar::MessageId messageId;
   > };
   
   where the pulsar::MessageId is a C++ class. Thus this kind of APIs can't work smoothly in pure C env. 
   
   **To Reproduce**
   Steps to reproduce the behavior:
   1. Go to source file 'message_id.h'
   2. Check its definition
   
   **Expected behavior**
   C API should not couple to C++ class definition.
   

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