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60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
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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 2 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 GNU
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* 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include "libbb.h"
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extern int copyfd(int fd1, int fd2)
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{
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char buf[8192];
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ssize_t nread, nwrote;
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while (1) {
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nread = safe_read(fd1, buf, sizeof(buf));
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if (nread == 0)
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break;
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if (nread == -1) {
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perror_msg("read");
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return -1;
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}
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nwrote = full_write(fd2, buf, nread);
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if (nwrote == -1) {
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perror_msg("write");
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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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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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