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42 lines
1.3 KiB
42 lines
1.3 KiB
7 months ago
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/*
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* Copyright (c) International Business Machines Corp., 2001
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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
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* the 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/******************************************************************************
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* writen.c
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******************************************************************************/
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#include <unistd.h>
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/* Write "n" bytes to a descriptor
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Use instead of write() when fd is a stream socket. */
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int writen(int fd, char *ptr, int nbytes)
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{
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int nleft, nwritten;
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nleft = nbytes;
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while (nleft > 0) {
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nwritten = write(fd, ptr, nleft);
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if (nwritten <= 0)
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return (nwritten); /* error */
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nleft -= nwritten;
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ptr += nwritten;
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}
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return (nbytes - nleft);
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}
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