kmx.io/kv/buffer.h

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• Hash : 54301959
  Author : Thomas de Grivel
  Date : 2022-01-03T11:06:25
  

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• buffer.h

• /*
   * kv - key value text file format
   *
   * Copyright 2022 Thomas de Grivel
  */
  
  #ifndef BUFFER_H
  #define BUFFER_H
  
  #include "kv_path.h"
  
  #ifdef DEBUG
  # define BUFFER_SIZE 64
  #else
  # define BUFFER_SIZE (1024 * 1024)
  #endif
  
  typedef struct buffer
  {
    char       *chars;
    size_t      col;
    const char *file_path;
    FILE       *fp;
    s_kv_path  *k;
    size_t      line;
    size_t      pos;
    size_t      size;
    void       *state;
    size_t      wpos;
  } s_buffer;
  
  int        buffer_init (s_buffer *b, void *state);
  s_buffer * buffer_new (void *state);
  int        buffer_open (s_buffer *b, const char *file_path);
  int        buffer_close (s_buffer *b);
  int        buffer_fp (s_buffer *b, FILE *fp, const char *file_path);
  int        buffer_resize (s_buffer *b, size_t new_size);
  int        buffer_fill (s_buffer *b);
  int        buffer_peek (s_buffer *b);
  int        buffer_peek_n (s_buffer *b, size_t n);
  int        buffer_read (s_buffer *b);
  int        buffer_read_n (s_buffer *b, size_t n);
  int        buffer_flush (s_buffer *b);
  int        buffer_destroy (s_buffer *b);
  int        buffer_delete (s_buffer *b);
  void       buffer_err (s_buffer *b, const char *fmt, ...);
  int        buffer_eat (s_buffer *b, const char *str);
  
  #endif
  

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