write.c
1.12 KB
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright (C) 2012 Georg Hopp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/types.h>
#include <unistd.h>
#include "cbuf.h"
#include "stream.h"
ssize_t
cbufWrite(Cbuf this, Stream st)
{
ssize_t wwsize = 0;
size_t wsize = this->bused;
if (0 == wsize) return 0;
wwsize = streamWrite(st, cbufGetRead(this), wsize);
switch (wwsize) {
case -1:
break;
default:
cbufIncRead(this, wwsize);
break;
}
return wwsize;
}
// vim: set ts=4 sw=4: