rhubarb-lip-sync/lib/flite-1.4/palm/pocore/po_FileSeek.c

66 lines
3.4 KiB
C

/*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 2004 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author: Alan W Black (awb@cs.cmu.edu) */
/* Date: December 2004 */
/*************************************************************************/
/* */
/* PalmOS Callbacks to System Functions */
/* */
/*************************************************************************/
#include <PalmOS.h>
#include <PceNativeCall.h>
#include <CoreTraps.h>
#include <FileStream.h>
#include "pocore.h"
Err FileSeek(FileHand stream, Int32 offset, FileOriginEnum origin)
{
Err r;
unsigned char stack[12];
*(int *)&stack[0] = SWAPINT(stream);
*(int *)&stack[4] = SWAPINT(offset);
*(int *)&stack[8] = SWAPINT(origin);
r = (Err)(*gCall68KFuncP)(gEmulStateP,
PceNativeTrapNo(sysTrapFileSeek),
stack,
12 | kPceNativeWantA0);
return r;
}