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/* rtbuf
 * Copyright 2018-2023 kmx.io <contact@kmx.io>
 *
 * Permission is hereby granted to use this software excepted
 * on Apple computers 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.
 */
#ifndef DATA_H
#define DATA_H

typedef enum {
  DATA_TYPE_BYTES,
  DATA_TYPE_VECTOR,
  DATA_TYPE_INTEGER,
  DATA_TYPE_FLOAT,
  DATA_TYPE_STRUCT
} e_data_type;

#define DATA_TYPE_SIGNED     1
#define DATA_TYPE_BIG_ENDIAN 2

typedef struct data_type {
  unsigned int bytes;
  unsigned int type;
} s_data_type;

typedef struct data_type_vector {
  s_data_type  t;
  s_data_type *element_type;
  unsigned int nmemb;
} s_data_type_vector;

typedef struct data_type_integer {
  s_data_type  t;
  unsigned int flags;
} s_data_type_integer;

typedef struct data_type_float {
  s_data_type t;
} s_data_type_float;

typedef struct data_type_struct {
  s_data_type  t;
  s_data_type *first;
  struct data_type_struct *rest;
} s_data_type_struct;

typedef union data_type_ {
  s_data_type         t;
  s_data_type_vector  t_vector;
  s_data_type_integer t_integer;
  s_data_type_float   t_float;
  s_data_type_struct  t_struct;
} u_data_type;

#define DATA_TYPE_MAX 1024

u_data_type * data_type_new (unsigned int bytes, unsigned int type);
void          data_type_delete (s_data_type *t);

typedef void f_data_init (void *data);
typedef void f_data_clean (void *data);

typedef struct data_alloc {
  s_data_type  *t;
  unsigned int  max;
  void         *mem;
  unsigned int  n;
  unsigned int *free;
  unsigned int  free_n;
  f_data_init  *init;
  f_data_clean *clean;
} s_data_alloc;

#define DATA_ALLOC_MAX 1024

void * data_new (s_data_alloc *da);
int    data_new_i (s_data_alloc *da);
void   data_delete (s_data_alloc *da, void *data);

void           data_alloc_init (s_data_alloc *da, s_data_type *t,
                                unsigned int max, f_data_init *init,
                                f_data_clean *clean);
void           data_alloc_clean (s_data_alloc *da);
s_data_alloc * data_alloc_new (s_data_type *t,
                               unsigned int max, f_data_init *init,
                               f_data_clean *clean);
void           data_alloc_delete (s_data_alloc *da);
void           data_alloc_delete_all ();

int libdata_init ();
void libdata_shutdown ();

#endif
rtbuf/rtbuf/librtbuf/data.h

Commit

librtbuf/data.h
