src/lib/iostream.c

	iostream.c revision 8cb72c59d5ea4e9e5f638d7ec840bb853f5a188e
/* Copyright (c) 2002-2010 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "iostream-internal.h"

static void
io_stream_default_close_destroy(struct iostream_private *stream ATTR_UNUSED)
{
}

void io_stream_init(struct iostream_private *stream)
{
    if (stream->close == NULL)
        stream->close = io_stream_default_close_destroy;
    if (stream->destroy == NULL)
        stream->destroy = io_stream_default_close_destroy;

    stream->refcount = 1;
}

void io_stream_ref(struct iostream_private *stream)
{
    stream->refcount++;
}

void io_stream_unref(struct iostream_private *stream)
{
    i_assert(stream->refcount > 0);
    if (--stream->refcount != 0)
        return;

    stream->close(stream);
    if (stream->destroy_callback != NULL)
        stream->destroy_callback(stream->destroy_context);
    stream->destroy(stream);

        i_free(stream->name);
        i_free(stream);
}

void io_stream_close(struct iostream_private *stream)
{
    stream->close(stream);
}

void io_stream_set_max_buffer_size(struct iostream_private *stream,
                   size_t max_size)
{
    stream->set_max_buffer_size(stream, max_size);
}