760 lines
17 KiB
C
760 lines
17 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2006-2019 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <qse/si/tio.h>
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#include <qse/cmn/mbwc.h>
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#include "../cmn/mem-prv.h"
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#define STATUS_OUTPUT_DYNBUF (1 << 0)
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#define STATUS_INPUT_DYNBUF (1 << 1)
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#define STATUS_INPUT_ILLSEQ (1 << 2)
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#define STATUS_INPUT_EOF (1 << 3)
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static int detach_in (qse_tio_t* tio, int fini);
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static int detach_out (qse_tio_t* tio, int fini);
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qse_tio_t* qse_tio_open (qse_mmgr_t* mmgr, qse_size_t xtnsize, int flags)
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{
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qse_tio_t* tio;
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tio = QSE_MMGR_ALLOC (mmgr, QSE_SIZEOF(qse_tio_t) + xtnsize);
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if (tio)
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{
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if (qse_tio_init (tio, mmgr, flags) <= -1)
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{
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QSE_MMGR_FREE (mmgr, tio);
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return QSE_NULL;
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}
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else QSE_MEMSET (QSE_XTN(tio), 0, xtnsize);
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}
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return tio;
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}
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int qse_tio_close (qse_tio_t* tio)
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{
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int n = qse_tio_fini (tio);
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QSE_MMGR_FREE (tio->mmgr, tio);
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return n;
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}
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int qse_tio_init (qse_tio_t* tio, qse_mmgr_t* mmgr, int flags)
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{
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QSE_MEMSET (tio, 0, QSE_SIZEOF(*tio));
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tio->mmgr = mmgr;
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tio->cmgr = qse_getdflcmgr();
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tio->flags = flags;
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/*
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tio->input_func = QSE_NULL;
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tio->input_arg = QSE_NULL;
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tio->output_func = QSE_NULL;
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tio->output_arg = QSE_NULL;
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tio->status = 0;
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tio->inbuf_cur = 0;
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tio->inbuf_len = 0;
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tio->outbuf_len = 0;
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*/
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tio->errnum = QSE_TIO_ENOERR;
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return 0;
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}
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int qse_tio_fini (qse_tio_t* tio)
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{
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int ret = 0;
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qse_tio_flush (tio); /* don't care about the result */
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if (detach_in (tio, 1) <= -1) ret = -1;
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if (detach_out (tio, 1) <= -1) ret = -1;
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return ret;
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}
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qse_mmgr_t* qse_tio_getmmgr (qse_tio_t* tio)
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{
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return tio->mmgr;
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}
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void* qse_tio_getxtn (qse_tio_t* tio)
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{
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return QSE_XTN (tio);
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}
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qse_tio_errnum_t qse_tio_geterrnum (const qse_tio_t* tio)
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{
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return tio->errnum;
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}
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void qse_tio_seterrnum (qse_tio_t* tio, qse_tio_errnum_t errnum)
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{
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tio->errnum = errnum;
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}
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qse_cmgr_t* qse_tio_getcmgr (qse_tio_t* tio)
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{
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return tio->cmgr;
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}
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void qse_tio_setcmgr (qse_tio_t* tio, qse_cmgr_t* cmgr)
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{
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tio->cmgr = cmgr;
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}
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int qse_tio_attachin (
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qse_tio_t* tio, qse_tio_io_impl_t input,
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qse_mchar_t* bufptr, qse_size_t bufcapa)
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{
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qse_mchar_t* xbufptr;
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if (input == QSE_NULL || bufcapa < QSE_TIO_MININBUFCAPA)
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{
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tio->errnum = QSE_TIO_EINVAL;
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return -1;
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}
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if (qse_tio_detachin(tio) <= -1) return -1;
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QSE_ASSERT (tio->in.fun == QSE_NULL);
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xbufptr = bufptr;
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if (xbufptr == QSE_NULL)
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{
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xbufptr = QSE_MMGR_ALLOC (
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tio->mmgr, QSE_SIZEOF(qse_mchar_t) * bufcapa);
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if (xbufptr == QSE_NULL)
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{
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tio->errnum = QSE_TIO_ENOMEM;
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return -1;
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}
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}
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tio->errnum = QSE_TIO_ENOERR;
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if (input (tio, QSE_TIO_OPEN, QSE_NULL, 0) <= -1)
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{
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if (tio->errnum == QSE_TIO_ENOERR) tio->errnum = QSE_TIO_EOTHER;
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if (xbufptr != bufptr) QSE_MMGR_FREE (tio->mmgr, xbufptr);
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return -1;
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}
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/* if i defined tio->io[2] instead of tio->in and tio-out,
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* i would be able to shorten code amount. but fields to initialize
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* are not symmetric between input and output.
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* so it's just a bit clumsy that i repeat almost the same code
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* in qse_tio_attachout().
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*/
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tio->in.fun = input;
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tio->in.buf.ptr = xbufptr;
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tio->in.buf.capa = bufcapa;
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tio->status &= ~(STATUS_INPUT_ILLSEQ | STATUS_INPUT_EOF);
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tio->inbuf_cur = 0;
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tio->inbuf_len = 0;
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if (xbufptr != bufptr) tio->status |= STATUS_INPUT_DYNBUF;
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return 0;
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}
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static int detach_in (qse_tio_t* tio, int fini)
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{
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int ret = 0;
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if (tio->in.fun)
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{
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tio->errnum = QSE_TIO_ENOERR;
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if (tio->in.fun (tio, QSE_TIO_CLOSE, QSE_NULL, 0) <= -1)
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{
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if (tio->errnum == QSE_TIO_ENOERR) tio->errnum = QSE_TIO_EOTHER;
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/* returning with an error here allows you to retry detaching */
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if (!fini) return -1;
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/* otherwise, you can't retry since the input handler information
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* is reset below */
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ret = -1;
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}
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if (tio->status & STATUS_INPUT_DYNBUF)
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{
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QSE_MMGR_FREE (tio->mmgr, tio->in.buf.ptr);
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tio->status &= ~STATUS_INPUT_DYNBUF;
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}
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tio->in.fun = QSE_NULL;
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tio->in.buf.ptr = QSE_NULL;
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tio->in.buf.capa = 0;
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}
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return ret;
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}
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int qse_tio_detachin (qse_tio_t* tio)
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{
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return detach_in (tio, 0);
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}
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int qse_tio_attachout (
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qse_tio_t* tio, qse_tio_io_impl_t output,
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qse_mchar_t* bufptr, qse_size_t bufcapa)
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{
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qse_mchar_t* xbufptr;
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if (output == QSE_NULL || bufcapa < QSE_TIO_MINOUTBUFCAPA)
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{
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tio->errnum = QSE_TIO_EINVAL;
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return -1;
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}
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if (qse_tio_detachout(tio) == -1) return -1;
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QSE_ASSERT (tio->out.fun == QSE_NULL);
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xbufptr = bufptr;
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if (xbufptr == QSE_NULL)
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{
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xbufptr = QSE_MMGR_ALLOC (
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tio->mmgr, QSE_SIZEOF(qse_mchar_t) * bufcapa);
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if (xbufptr == QSE_NULL)
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{
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tio->errnum = QSE_TIO_ENOMEM;
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return -1;
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}
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}
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tio->errnum = QSE_TIO_ENOERR;
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if (output (tio, QSE_TIO_OPEN, QSE_NULL, 0) <= -1)
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{
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if (tio->errnum == QSE_TIO_ENOERR) tio->errnum = QSE_TIO_EOTHER;
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if (xbufptr != bufptr) QSE_MMGR_FREE (tio->mmgr, xbufptr);
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return -1;
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}
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tio->out.fun = output;
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tio->out.buf.ptr = xbufptr;
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tio->out.buf.capa = bufcapa;
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tio->outbuf_len = 0;
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if (xbufptr != bufptr) tio->status |= STATUS_OUTPUT_DYNBUF;
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return 0;
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}
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static int detach_out (qse_tio_t* tio, int fini)
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{
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int ret = 0;
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if (tio->out.fun)
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{
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qse_tio_flush (tio); /* don't care about the result */
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tio->errnum = QSE_TIO_ENOERR;
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if (tio->out.fun (tio, QSE_TIO_CLOSE, QSE_NULL, 0) <= -1)
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{
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if (tio->errnum == QSE_TIO_ENOERR) tio->errnum = QSE_TIO_EOTHER;
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/* returning with an error here allows you to retry detaching */
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if (!fini) return -1;
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/* otherwise, you can't retry since the input handler information
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* is reset below */
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ret = -1;
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}
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if (tio->status & STATUS_OUTPUT_DYNBUF)
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{
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QSE_MMGR_FREE (tio->mmgr, tio->out.buf.ptr);
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tio->status &= ~STATUS_OUTPUT_DYNBUF;
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}
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tio->out.fun = QSE_NULL;
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tio->out.buf.ptr = QSE_NULL;
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tio->out.buf.capa = 0;
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}
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return ret;
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}
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int qse_tio_detachout (qse_tio_t* tio)
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{
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return detach_out (tio, 0);
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}
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qse_ssize_t qse_tio_flush (qse_tio_t* tio)
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{
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qse_size_t left, count;
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qse_ssize_t n;
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qse_mchar_t* cur;
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if (tio->out.fun == QSE_NULL)
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{
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tio->errnum = QSE_TIO_ENOUTF;
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return (qse_ssize_t)-1;
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}
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left = tio->outbuf_len;
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cur = tio->out.buf.ptr;
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while (left > 0)
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{
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tio->errnum = QSE_TIO_ENOERR;
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n = tio->out.fun (tio, QSE_TIO_DATA, cur, left);
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if (n <= -1)
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{
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if (tio->errnum == QSE_TIO_ENOERR) tio->errnum = QSE_TIO_EOTHER;
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if (cur != tio->out.buf.ptr)
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{
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QSE_MEMCPY (tio->out.buf.ptr, cur, left);
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tio->outbuf_len = left;
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}
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return -1;
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}
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if (n == 0)
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{
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if (cur != tio->out.buf.ptr)
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QSE_MEMCPY (tio->out.buf.ptr, cur, left);
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break;
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}
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left -= n;
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cur += n;
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}
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count = tio->outbuf_len - left;
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tio->outbuf_len = left;
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return (qse_ssize_t)count;
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}
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void qse_tio_drain (qse_tio_t* tio)
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{
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tio->status &= ~(STATUS_INPUT_ILLSEQ | STATUS_INPUT_EOF);
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tio->inbuf_cur = 0;
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tio->inbuf_len = 0;
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tio->outbuf_len = 0;
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tio->errnum = QSE_TIO_ENOERR;
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}
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/* ------------------------------------------------------------- */
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qse_ssize_t qse_tio_readmbs (qse_tio_t* tio, qse_mchar_t* buf, qse_size_t size)
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{
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qse_size_t nread;
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qse_ssize_t n;
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/*QSE_ASSERT (tio->in.fun != QSE_NULL);*/
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if (tio->in.fun == QSE_NULL)
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{
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tio->errnum = QSE_TIO_ENINPF;
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return -1;
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}
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/* note that this function doesn't check if
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* tio->status is set with STATUS_INPUT_ILLSEQ
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* since this function can simply return the next
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* available byte. */
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if (size > QSE_TYPE_MAX(qse_ssize_t)) size = QSE_TYPE_MAX(qse_ssize_t);
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nread = 0;
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while (nread < size)
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{
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if (tio->inbuf_cur >= tio->inbuf_len)
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{
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tio->errnum = QSE_TIO_ENOERR;
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n = tio->in.fun (
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tio, QSE_TIO_DATA,
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tio->in.buf.ptr, tio->in.buf.capa);
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if (n == 0) break;
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if (n <= -1)
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{
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if (tio->errnum == QSE_TIO_ENOERR) tio->errnum = QSE_TIO_EOTHER;
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return -1;
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}
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tio->inbuf_cur = 0;
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tio->inbuf_len = (qse_size_t)n;
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}
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do
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{
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buf[nread] = tio->in.buf.ptr[tio->inbuf_cur++];
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/* TODO: support a different line terminator */
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if (buf[nread++] == QSE_MT('\n')) goto done;
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}
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while (tio->inbuf_cur < tio->inbuf_len && nread < size);
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}
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done:
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return nread;
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}
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static QSE_INLINE qse_ssize_t tio_read_widechars (
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qse_tio_t* tio, qse_wchar_t* buf, qse_size_t bufsize)
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{
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qse_size_t mlen, wlen;
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qse_ssize_t n;
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int x;
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if (tio->inbuf_cur >= tio->inbuf_len)
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{
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tio->inbuf_cur = 0;
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tio->inbuf_len = 0;
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getc_conv:
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if (tio->status & STATUS_INPUT_EOF) n = 0;
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else
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{
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tio->errnum = QSE_TIO_ENOERR;
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n = tio->in.fun (
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tio, QSE_TIO_DATA,
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&tio->in.buf.ptr[tio->inbuf_len],
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tio->in.buf.capa - tio->inbuf_len);
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}
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if (n == 0)
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{
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tio->status |= STATUS_INPUT_EOF;
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if (tio->inbuf_cur < tio->inbuf_len)
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{
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/* no more input from the underlying input handler.
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* but some incomplete bytes in the buffer. */
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if (tio->flags & QSE_TIO_IGNOREMBWCERR)
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{
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/* tread them as illegal sequence */
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goto ignore_illseq;
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}
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else
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{
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tio->errnum = QSE_TIO_EICSEQ;
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return -1;
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}
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}
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return 0;
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}
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if (n <= -1)
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{
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if (tio->errnum == QSE_TIO_ENOERR) tio->errnum = QSE_TIO_EOTHER;
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return -1;
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}
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tio->inbuf_len += n;
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}
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mlen = tio->inbuf_len - tio->inbuf_cur;
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wlen = bufsize;
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x = qse_mbsntowcsnuptowithcmgr (
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&tio->in.buf.ptr[tio->inbuf_cur],
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&mlen, buf, &wlen, QSE_WT('\n'), tio->cmgr);
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tio->inbuf_cur += mlen;
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if (x == -3)
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{
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/* incomplete sequence */
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if (wlen <= 0)
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{
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/* not even a single character was handled.
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* shift bytes in the buffer to the head. */
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QSE_ASSERT (mlen <= 0);
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tio->inbuf_len = tio->inbuf_len - tio->inbuf_cur;
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QSE_MEMCPY (&tio->in.buf.ptr[0],
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&tio->in.buf.ptr[tio->inbuf_cur],
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tio->inbuf_len * QSE_SIZEOF(tio->in.buf.ptr[0]));
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tio->inbuf_cur = 0;
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goto getc_conv; /* and read more */
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}
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/* get going if some characters are handled */
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}
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else if (x == -2)
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{
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/* buffer not large enough */
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QSE_ASSERT (wlen > 0);
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/* the wide-character buffer is not just large enough to
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* hold the entire conversion result. lets's go on so long as
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* 1 wide-character is produced though it may be inefficient.
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*/
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}
|
|
else if (x <= -1)
|
|
{
|
|
/* illegal sequence */
|
|
if (tio->flags & QSE_TIO_IGNOREMBWCERR)
|
|
{
|
|
ignore_illseq:
|
|
tio->inbuf_cur++; /* skip one byte */
|
|
buf[wlen++] = QSE_WT('?');
|
|
}
|
|
else if (wlen <= 0)
|
|
{
|
|
tio->errnum = QSE_TIO_EILSEQ;
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
/* some characters are already handled.
|
|
* mark that an illegal sequence encountered
|
|
* and carry on. */
|
|
tio->status |= STATUS_INPUT_ILLSEQ;
|
|
}
|
|
}
|
|
|
|
return wlen;
|
|
}
|
|
|
|
qse_ssize_t qse_tio_readwcs (qse_tio_t* tio, qse_wchar_t* buf, qse_size_t size)
|
|
{
|
|
qse_size_t nread = 0;
|
|
qse_ssize_t n;
|
|
|
|
/*QSE_ASSERT (tio->in.fun != QSE_NULL);*/
|
|
if (tio->in.fun == QSE_NULL)
|
|
{
|
|
tio->errnum = QSE_TIO_ENINPF;
|
|
return -1;
|
|
}
|
|
|
|
if (size > QSE_TYPE_MAX(qse_ssize_t)) size = QSE_TYPE_MAX(qse_ssize_t);
|
|
|
|
while (nread < size)
|
|
{
|
|
if (tio->status & STATUS_INPUT_ILLSEQ)
|
|
{
|
|
tio->status &= ~STATUS_INPUT_ILLSEQ;
|
|
tio->errnum = QSE_TIO_EILSEQ;
|
|
return -1;
|
|
}
|
|
|
|
n = tio_read_widechars (tio, &buf[nread], size - nread);
|
|
if (n == 0) break;
|
|
if (n <= -1) return -1;
|
|
|
|
nread += n;
|
|
if (buf[nread-1] == QSE_WT('\n')) break;
|
|
}
|
|
|
|
return nread;
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------- */
|
|
qse_ssize_t qse_tio_writembs (
|
|
qse_tio_t* tio, const qse_mchar_t* mptr, qse_size_t mlen)
|
|
{
|
|
if (tio->outbuf_len >= tio->out.buf.capa)
|
|
{
|
|
/* maybe, previous flush operation has failed a few
|
|
* times previously. so the buffer is full.
|
|
*/
|
|
tio->errnum = QSE_TIO_ENOSPC;
|
|
return -1;
|
|
}
|
|
|
|
if (mlen == (qse_size_t)-1)
|
|
{
|
|
qse_size_t pos = 0;
|
|
|
|
if (tio->flags & QSE_TIO_NOAUTOFLUSH)
|
|
{
|
|
while (mptr[pos] != QSE_MT('\0'))
|
|
{
|
|
tio->out.buf.ptr[tio->outbuf_len++] = mptr[pos++];
|
|
if (tio->outbuf_len >= tio->out.buf.capa &&
|
|
qse_tio_flush (tio) <= -1) return -1;
|
|
if (pos >= QSE_TYPE_MAX(qse_ssize_t)) break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int nl = 0;
|
|
while (mptr[pos] != QSE_MT('\0'))
|
|
{
|
|
tio->out.buf.ptr[tio->outbuf_len++] = mptr[pos];
|
|
if (tio->outbuf_len >= tio->out.buf.capa)
|
|
{
|
|
if (qse_tio_flush (tio) <= -1) return -1;
|
|
nl = 0;
|
|
}
|
|
else if (mptr[pos] == QSE_T('\n')) nl = 1;
|
|
/* TODO: different line terminator */
|
|
if (++pos >= QSE_TYPE_MAX(qse_ssize_t)) break;
|
|
}
|
|
if (nl && qse_tio_flush(tio) <= -1) return -1;
|
|
}
|
|
|
|
return pos;
|
|
}
|
|
else
|
|
{
|
|
const qse_mchar_t* xptr, * xend;
|
|
qse_size_t capa;
|
|
int nl = 0;
|
|
|
|
/* adjust mlen for the type difference between the parameter
|
|
* and the return value */
|
|
if (mlen > QSE_TYPE_MAX(qse_ssize_t)) mlen = QSE_TYPE_MAX(qse_ssize_t);
|
|
xptr = mptr;
|
|
|
|
/* handle the parts that can't fit into the internal buffer */
|
|
while (mlen >= (capa = tio->out.buf.capa - tio->outbuf_len))
|
|
{
|
|
for (xend = xptr + capa; xptr < xend; xptr++)
|
|
tio->out.buf.ptr[tio->outbuf_len++] = *xptr;
|
|
if (qse_tio_flush (tio) <= -1) return -1;
|
|
mlen -= capa;
|
|
}
|
|
|
|
if (tio->flags & QSE_TIO_NOAUTOFLUSH)
|
|
{
|
|
/* handle the last part that can fit into the internal buffer */
|
|
for (xend = xptr + mlen; xptr < xend; xptr++)
|
|
tio->out.buf.ptr[tio->outbuf_len++] = *xptr;
|
|
}
|
|
else
|
|
{
|
|
/* handle the last part that can fit into the internal buffer */
|
|
for (xend = xptr + mlen; xptr < xend; xptr++)
|
|
{
|
|
/* TODO: support different line terminating characeter */
|
|
if (*xptr == QSE_MT('\n'))
|
|
{
|
|
nl = 1;
|
|
break;
|
|
}
|
|
|
|
tio->out.buf.ptr[tio->outbuf_len++] = *xptr;
|
|
}
|
|
|
|
/* continue copying without checking for nl */
|
|
while (xptr < xend) tio->out.buf.ptr[tio->outbuf_len++] = *xptr++;
|
|
}
|
|
|
|
/* if the last part contains a new line, flush the internal
|
|
* buffer. note that this flushes characters after nl also.*/
|
|
if (nl && qse_tio_flush (tio) <= -1) return -1;
|
|
|
|
/* returns the number multi-byte characters handled */
|
|
return xptr - mptr;
|
|
}
|
|
}
|
|
|
|
qse_ssize_t qse_tio_writewcs (
|
|
qse_tio_t* tio, const qse_wchar_t* wptr, qse_size_t wlen)
|
|
{
|
|
qse_size_t capa, wcnt, mcnt, xwlen;
|
|
int n, nl = 0;
|
|
|
|
if (tio->outbuf_len >= tio->out.buf.capa)
|
|
{
|
|
/* maybe, previous flush operation has failed a few
|
|
* times previously. so the buffer is full. */
|
|
tio->errnum = QSE_TIO_ENOSPC;
|
|
return -1;
|
|
}
|
|
|
|
if (wlen == (qse_size_t)-1) wlen = qse_wcslen(wptr);
|
|
if (wlen > QSE_TYPE_MAX(qse_ssize_t)) wlen = QSE_TYPE_MAX(qse_ssize_t);
|
|
|
|
xwlen = wlen;
|
|
while (xwlen > 0)
|
|
{
|
|
capa = tio->out.buf.capa - tio->outbuf_len;
|
|
wcnt = xwlen; mcnt = capa;
|
|
|
|
n = qse_wcsntombsnwithcmgr (
|
|
wptr, &wcnt, &tio->out.buf.ptr[tio->outbuf_len], &mcnt, tio->cmgr);
|
|
tio->outbuf_len += mcnt;
|
|
|
|
if (n == -2)
|
|
{
|
|
/* the buffer is not large enough to
|
|
* convert more. so flush now and continue.
|
|
* note that the buffer may not be full though
|
|
* it is not large enough in this case */
|
|
if (qse_tio_flush (tio) <= -1) return -1;
|
|
nl = 0;
|
|
}
|
|
else
|
|
{
|
|
if (tio->outbuf_len >= tio->out.buf.capa)
|
|
{
|
|
/* flush the full buffer regardless of conversion
|
|
* result. */
|
|
if (qse_tio_flush (tio) <= -1) return -1;
|
|
nl = 0;
|
|
}
|
|
|
|
if (n <= -1)
|
|
{
|
|
/* an invalid wide-character is encountered. */
|
|
if (tio->flags & QSE_TIO_IGNOREMBWCERR)
|
|
{
|
|
/* insert a question mark for an illegal
|
|
* character. */
|
|
QSE_ASSERT (tio->outbuf_len < tio->out.buf.capa);
|
|
tio->out.buf.ptr[tio->outbuf_len++] = QSE_MT('?');
|
|
wcnt++; /* skip this illegal character */
|
|
/* don't need to increment mcnt since
|
|
* it's not used below */
|
|
}
|
|
else
|
|
{
|
|
tio->errnum = QSE_TIO_EILCHR;
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!(tio->flags & QSE_TIO_NOAUTOFLUSH) && !nl)
|
|
{
|
|
/* checking for a newline this way looks damn ugly.
|
|
* TODO: how can i do this more elegantly? */
|
|
qse_size_t i = wcnt;
|
|
while (i > 0)
|
|
{
|
|
/* scan backward assuming a line terminator
|
|
* is typically at the back */
|
|
if (wptr[--i] == QSE_WT('\n'))
|
|
{
|
|
/* TOOD: differetn line terminator */
|
|
nl = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
wptr += wcnt; xwlen -= wcnt;
|
|
}
|
|
|
|
if (nl && qse_tio_flush (tio) <= -1) return -1;
|
|
return wlen;
|
|
}
|