io callback interface More...

#include <impl.h>

Collaboration diagram for io_callbacks_t:

Data Fields
io_read_t	fn_read
	read callback may be NULL on non-readable objects More...

io_write_t	fn_write
	write callback may be NULL on non-writable objects More...

io_fwrite_t	fn_fwrite
	write format callback may be NULL on non-writable objects More...

io_size_t	fn_get_size
	total size callback must always be provided More...

io_seek_t	fn_seek
	absolute seek callback must always be provided More...

io_map_t	fn_map
	file map callback must always be provided More...

io_close_t	fn_close
	close callback optional if backing data does not require lifetime management More...

size_t	size
	the size of the io objects private data More...

Detailed Description

io callback interface

Definition at line 85 of file impl.h.

Field Documentation

◆ fn_close

io_close_t io_callbacks_t::fn_close

close callback optional if backing data does not require lifetime management

Definition at line 114 of file impl.h.

◆ fn_fwrite

io_fwrite_t io_callbacks_t::fn_fwrite

write format callback may be NULL on non-writable objects

Note: if this is NULL, fn_write will be used instead

Definition at line 98 of file impl.h.

◆ fn_get_size

io_size_t io_callbacks_t::fn_get_size

total size callback must always be provided

Definition at line 102 of file impl.h.

◆ fn_map

io_map_t io_callbacks_t::fn_map

file map callback must always be provided

Definition at line 110 of file impl.h.

◆ fn_read

io_read_t io_callbacks_t::fn_read

read callback may be NULL on non-readable objects

Definition at line 89 of file impl.h.

◆ fn_seek

io_seek_t io_callbacks_t::fn_seek

absolute seek callback must always be provided

Definition at line 106 of file impl.h.

◆ fn_write

io_write_t io_callbacks_t::fn_write

write callback may be NULL on non-writable objects

Definition at line 93 of file impl.h.

◆ size

size_t io_callbacks_t::size

the size of the io objects private data

Definition at line 117 of file impl.h.

The documentation for this struct was generated from the following file:

common/io/include/io/impl.h

Data Fields