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| 1 | /* $Header: /cvsup/minix/src/lib/ack/libp/cls.c,v 1.1 2005/10/10 15:27:46 beng Exp $ */
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| 2 | /*
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| 3 | * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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| 4 | *
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| 5 | * This product is part of the Amsterdam Compiler Kit.
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| 6 | *
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| 7 | * Permission to use, sell, duplicate or disclose this software must be
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| 8 | * obtained in writing. Requests for such permissions may be sent to
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| 9 | *
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| 10 | * Dr. Andrew S. Tanenbaum
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| 11 | * Wiskundig Seminarium
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| 12 | * Vrije Universiteit
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| 13 | * Postbox 7161
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| 14 | * 1007 MC Amsterdam
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| 15 | * The Netherlands
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| 16 | *
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| 17 | */
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| 18 |
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| 19 | /* Author: J.W. Stevenson */
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| 20 |
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| 21 | #include <pc_file.h>
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| 22 | #include <pc_err.h>
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| 23 |
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| 24 | extern struct file *_curfil;
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| 25 | extern _trp();
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| 26 | extern _flush();
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| 27 | extern _outcpt();
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| 28 | extern int _close();
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| 29 |
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| 30 | _xcls(f) struct file *f; {
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| 31 |
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| 32 | if ((f->flags & WRBIT) == 0)
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| 33 | return;
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| 34 | if ((f->flags & (TXTBIT|ELNBIT)) == TXTBIT) {
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| 35 | #ifdef CPM
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| 36 | *f->ptr = '\r';
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| 37 | _outcpt(f);
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| 38 | #endif
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| 39 | *f->ptr = '\n';
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| 40 | _outcpt(f);
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| 41 | }
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| 42 | _flush(f);
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| 43 | }
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| 44 |
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| 45 | _cls(f) struct file *f; {
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| 46 | #ifdef MAYBE
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| 47 | char *p;
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| 48 | #endif
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| 49 |
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| 50 | _curfil = f;
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| 51 | if ((f->flags&0377) != MAGIC)
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| 52 | return;
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| 53 | #ifdef MAYBE
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| 54 | p = f->bufadr;
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| 55 | if (f->ptr < p)
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| 56 | return;
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| 57 | if (f->buflen <= 0)
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| 58 | return;
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| 59 | p += f->buflen;
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| 60 | if (f->ptr >= p)
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| 61 | return;
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| 62 | #endif
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| 63 | _xcls(f);
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| 64 | if (_close(f->ufd) != 0)
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| 65 | _trp(ECLOSE);
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| 66 | f->flags = 0;
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| 67 | }
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