1984-07-20 11:03:31 +00:00
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/* $Header$ */
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1984-07-20 10:44:57 +00:00
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/*
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* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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*
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* This product is part of the Amsterdam Compiler Kit.
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*
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* Permission to use, sell, duplicate or disclose this software must be
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* obtained in writing. Requests for such permissions may be sent to
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*
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* Dr. Andrew S. Tanenbaum
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* Wiskundig Seminarium
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* Vrije Universiteit
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* Postbox 7161
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* 1007 MC Amsterdam
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* The Netherlands
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*
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*/
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/* Author: J.W. Stevenson */
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#include <pc_file.h>
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#include <pc_err.h>
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extern struct file *_curfil;
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extern _trp();
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extern _flush();
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extern _outcpt();
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extern int close();
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_xcls(f) struct file *f; {
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if ((f->flags & WRBIT) == 0)
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return;
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if ((f->flags & (TXTBIT|ELNBIT)) == TXTBIT) {
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#ifdef CPM
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*f->ptr = '\r';
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_outcpt(f);
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#endif
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*f->ptr = '\n';
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_outcpt(f);
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}
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_flush(f);
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}
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_cls(f) struct file *f; {
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#ifdef MAYBE
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char *p;
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#endif
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_curfil = f;
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if ((f->flags&0377) != MAGIC)
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return;
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#ifdef MAYBE
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p = f->bufadr;
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if (f->ptr < p)
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return;
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if (f->buflen <= 0)
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return;
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p += f->buflen;
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if (f->ptr >= p)
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return;
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#endif
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_xcls(f);
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if (close(f->ufd) != 0)
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_trp(ECLOSE);
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f->flags = 0;
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}
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