int nghttp2_hd_deflate_new2(nghttp2_hd_deflater **deflater_ptr, size_t max_deflate_dynamic_table_size, nghttp2_mem *mem)
nghttp2_hd_deflate_new(), but with additional custom memory allocator specified in the mem.
The mem can be
NULLand the call is equivalent to
This function does not take ownership mem. The application is responsible for freeing mem.
The library code does not refer to mem pointer after this function returns, so the application can safely free it.