/******************************************************************************

Copyright 1993, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its

documentation for any purpose is hereby granted without fee, provided that

the above copyright notice appear in all copies and that both that

copyright notice and this permission notice appear in supporting

documentation.

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE

OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be

used in advertising or otherwise to promote the sale, use or other dealings

in this Software without prior written authorization from The Open Group.

Author: Ralph Mor, X Consortium

******************************************************************************/

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <X11/ICE/ICElib.h>

#include "ICElibint.h"

void

_IceAddReplyWait (

	IceConn			iceConn,

	IceReplyWaitInfo	*replyWait

)

{

    /*

     * Add this replyWait to the end of the list (only if the

     * replyWait is not already in the list).

     */

    _IceSavedReplyWait	*savedReplyWait;

    _IceSavedReplyWait	*prev, *last;

    prev = NULL;

    last = iceConn->saved_reply_waits;

    while (last)

    {

	if (last->reply_wait == replyWait)

	    return;

	prev = last;

	last = last->next;

    }

    savedReplyWait = malloc (sizeof (_IceSavedReplyWait));

    savedReplyWait->reply_wait = replyWait;

    savedReplyWait->reply_ready = False;

    savedReplyWait->next = NULL;

    if (prev == NULL)

	iceConn->saved_reply_waits = savedReplyWait;

    else

	prev->next = savedReplyWait;

}

IceReplyWaitInfo *

_IceSearchReplyWaits (

	IceConn	iceConn,

	int	majorOpcode

)

{

    /*

     * Return the first replyWait in the list with the given majorOpcode

     */

    _IceSavedReplyWait	*savedReplyWait = iceConn->saved_reply_waits;

    while (savedReplyWait && !savedReplyWait->reply_ready &&

	savedReplyWait->reply_wait->major_opcode_of_request != majorOpcode)

    {

	savedReplyWait = savedReplyWait->next;

    }

    return (savedReplyWait ? savedReplyWait->reply_wait : NULL);

}

void

_IceSetReplyReady (

	IceConn			iceConn,

	IceReplyWaitInfo	*replyWait

)

{

    /*

     * The replyWait specified has a reply ready.

     */

    _IceSavedReplyWait	*savedReplyWait = iceConn->saved_reply_waits;

    while (savedReplyWait && savedReplyWait->reply_wait != replyWait)

	savedReplyWait = savedReplyWait->next;

    if (savedReplyWait)

	savedReplyWait->reply_ready = True;

}

Bool

_IceCheckReplyReady (

	IceConn			iceConn,

	IceReplyWaitInfo	*replyWait

)

{

    _IceSavedReplyWait	*savedReplyWait = iceConn->saved_reply_waits;

    _IceSavedReplyWait	*prev = NULL;

    Bool		found = False;

    Bool		ready;

    while (savedReplyWait && !found)

    {

	if (savedReplyWait->reply_wait == replyWait)

	    found = True;

	else

	{

	    prev = savedReplyWait;

	    savedReplyWait = savedReplyWait->next;

	}

    }

    ready = found && savedReplyWait->reply_ready;

    if (ready)

    {

	if (prev == NULL)

	    iceConn->saved_reply_waits = savedReplyWait->next;

	else

	    prev->next = savedReplyWait->next;

	free (savedReplyWait);

    }

    return (ready);

}