Method

VipsDbufget_write

Declaration [src]

unsigned char*
vips_dbuf_get_write (
  VipsDbuf* dbuf,
  size_t* size
)

Description [src]

Return a pointer to an area you can write to, return length of area in size. Use vips_dbuf_allocate() before this call to set a minimum amount of space to have available.

The write point moves to just beyond the returned block. Use vips_dbuf_seek() to move it back again.

Parameters

size

Type: size_t*

Optionally return length in bytes here.

The argument can be NULL.
The data is owned by the caller of the method.

Return value

Type: unsigned char*

Start of write area.

The returned data is owned by the instance.