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I remove usage of old approach to configure background worker entry point since
pg_wait_sampling
shouldn't work with PostgreSQL without support of new approach. It fixes potential usage of non-initializedbgw_main
pointer which was introduced in #7 (it was my fault).Also I replaced
memcpy
call withsnprintf
becausememcpy
may read some uninitialized memory or try to read outside the segment/page after the string constants.