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61 lines
1.4 KiB
61 lines
1.4 KiB
/* This is file FWRITE.C */
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/* This file may have been modified by DJ Delorie (Jan 1991). If so,
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** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
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** Rochester NH, 03867-2954, USA.
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*/
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/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)fwrite.c 5.2 (Berkeley) 3/9/86";
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#endif LIBC_SCCS and not lint
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#include <stdio.h>
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#ifdef linux
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#include <std.h>
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#endif
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int
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fwrite(ptr, size, count, iop)
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register const void *ptr;
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int size, count;
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register FILE *iop;
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{
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register int s;
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s = size * count;
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if (iop->_flag & _IOLBF)
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while (s > 0) {
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if (--iop->_cnt > -iop->_bufsiz && *(char *)ptr != '\n')
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*iop->_ptr++ = *(char *)ptr++;
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else if (_flsbuf(*(unsigned int *)ptr++, iop) == EOF)
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break;
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s--;
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}
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else while (s > 0) {
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if (iop->_cnt < s) {
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if (iop->_cnt > 0) {
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bcopy(ptr, iop->_ptr, iop->_cnt);
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ptr += iop->_cnt;
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iop->_ptr += iop->_cnt;
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s -= iop->_cnt;
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}
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if (_flsbuf(*(unsigned int *)ptr++, iop) == EOF)
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break;
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s--;
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}
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if (iop->_cnt >= s) {
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bcopy(ptr, iop->_ptr, s);
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iop->_ptr += s;
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iop->_cnt -= s;
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return (count);
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}
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}
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return (size != 0 ? count - ((s + size - 1) / size) : 0);
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}
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