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/*
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* lftp - file transfer program
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*
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* Copyright (c) 1996-2012 by Alexander V. Lukyanov (lav@yars.free.net)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <errno.h>
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#include <unistd.h>
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#include "FileFeeder.h"
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const char *FileFeeder::NextCmd(CmdExec *exec, const char *)
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{
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int fd=in->getfd();
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if(fd<0)
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{
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if(in->error())
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{
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fprintf(stderr,"source: %s\n",in->error_text.get());
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return 0;
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}
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return "";
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}
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if(fg_data==0)
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fg_data=new FgData(in->GetProcGroup(),true);
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int res=read(fd,buffer,sizeof(buffer)-1);
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if(res==0)
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{
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return 0;
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}
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if(res<0)
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{
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if(E_RETRY(errno))
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{
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exec->Block(fd,POLLIN);
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return "";
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}
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if(SMTask::NonFatalError(errno))
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return "";
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perror("source");
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return 0;
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}
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buffer[res]=0;
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return buffer;
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}
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FileFeeder::FileFeeder(FDStream *in)
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: in(in)
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{
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}
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FileFeeder::~FileFeeder()
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{
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}
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