array.h

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/* Copyright (c) 2000, 2024, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef DYNAMIC_ARRAY_INCLUDED
#define DYNAMIC_ARRAY_INCLUDED
 
#include "my_inttypes.h"
#include "mysql/psi/psi_memory.h"
 
struct DYNAMIC_ARRAY {
  uchar *buffer{nullptr};
  uint elements{0}, max_element{0};
  uint alloc_increment{0};
  uint size_of_element{0};
  PSI_memory_key m_psi_key{PSI_NOT_INSTRUMENTED};
};
 
// Use Prealloced_array or std::vector or something similar in C++
extern bool my_init_dynamic_array(DYNAMIC_ARRAY *array, PSI_memory_key key,
                                  uint element_size, void *init_buffer,
                                  uint init_alloc, uint alloc_increment);
#define dynamic_element(array, array_index, type) \
  ((type)((array)->buffer) + (array_index))
 
extern bool insert_dynamic(DYNAMIC_ARRAY *array, const void *element);
extern void *alloc_dynamic(DYNAMIC_ARRAY *array);
extern void delete_dynamic(DYNAMIC_ARRAY *array);
 
#endif  // DYNAMIC_ARRAY_INCLUDED