kc3-lang/kc3/libkc3/struct.h

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• Hash : cb6f223a
  Author : Thomas de Grivel
  Date : 2024-08-02T12:35:36
  

  Struct.offset(%HTTP.Request, :message)

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• libkc3/struct.h

• /* kc3
   * Copyright 2022,2023,2024 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  /**
   * @file tag.h
   * @brief Struct : %Module{key: value, ...}
   *
   */
  #ifndef LIBKC3_STRUCT_H
  #define LIBKC3_STRUCT_H
  
  #include "types.h"
  
  /* Stack-allocation compatible functions, call struct_clean after use. */
  void       struct_clean (s_struct *s);
  s_struct * struct_init (s_struct *s, const s_sym *module);
  s_struct * struct_init_1 (s_struct *s, const s8 *p);
  s_struct * struct_init_cast (s_struct *s, const s_sym * const *type,
                               const s_tag *tag);
  s_struct * struct_init_copy (s_struct *s, const s_struct *src);
  s_struct * struct_init_from_lists (s_struct *s, const s_sym *module,
                                     const s_list *keys,
                                     const s_list *values);
  s_struct * struct_init_with_data (s_struct *s, const s_sym *module,
                                    void *data, bool free_data);
  
  /* Heap-allocation functions, call struct_delete after use. */
  void       struct_delete (s_struct *s);
  s_struct * struct_new (const s_sym *module);
  s_struct * struct_new_1 (const s8 *p);
  s_struct * struct_new_copy (const s_struct *src);
  s_struct * struct_new_with_data (const s_sym *module, void *data);
  
  /* Operators. */
  s_struct * struct_allocate (s_struct *s);
  s_struct * struct_set (s_struct *s, const s_sym *key,
                         const s_tag *value);
  
  /* Observers. */
  s_tag *        struct_access (const s_struct *s, const s_sym *key,
                                s_tag *dest);
  bool           struct_find_key_index (const s_struct *s, const s_sym *key,
                                        uw *dest);
  const void *   struct_get (const s_struct *s, const s_sym *key);
  const s_sym ** struct_get_type (const s_struct *s, const s_sym *key,
                                  const s_sym **dest);
  const s_sym ** struct_get_sym (const s_struct *s, const s_sym *key);
  const s_tag *  struct_get_tag (const s_struct *s, const s_sym *key);
  u8             struct_get_u8 (const s_struct *s, const s_sym *key);
  uw *           struct_offset (const s_struct *s,
                                const s_sym * const *key,
                                uw *dest);
  
  #endif /* LIBKC3_STRUCT_H */
  

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