gmio/src/c/stream.h

#ifndef FOUG_C_STREAM_H
#define FOUG_C_STREAM_H

#include "foug_global.h"
#include "memory.h"

/* foug_stream : opaque structure */
typedef struct _internal_foug_stream foug_stream_t;

/* foug_stream_manip */
typedef foug_bool_t (*foug_stream_at_end_func_t)(foug_stream_t*);
typedef int32_t (*foug_stream_error_func_t)(foug_stream_t*);
typedef size_t (*foug_stream_read_func_t)(foug_stream_t*, void*, size_t, size_t);
typedef size_t (*foug_stream_write_func_t)(foug_stream_t*, const void*, size_t, size_t);
typedef struct
{
  foug_stream_at_end_func_t at_end_func;
  foug_stream_error_func_t error_func;
  foug_stream_read_func_t read_func;
  foug_stream_write_func_t write_func;
} foug_stream_manip_t;

foug_stream_manip_t foug_stream_manip_null();
foug_stream_manip_t foug_stream_manip_stdio();

/* Services */
foug_stream_t* foug_stream_create(foug_malloc_func_t func, void* data, foug_stream_manip_t manip);

foug_bool_t foug_stream_at_end(foug_stream_t* stream);
int foug_stream_error(foug_stream_t* stream);
size_t foug_stream_read(foug_stream_t* stream, void* ptr, size_t item_size, size_t item_count);
size_t foug_stream_write(foug_stream_t* stream, const void* ptr, size_t item_size, size_t item_count);
void* foug_stream_get_cookie(const foug_stream_t* stream);

#endif /* FOUG_C_STREAM_H */